Page 1
RC440BX Motherboard Product Guide
Order Number: 724183-001
Page 2
Revision History
Revision Revision History Date
001 First release of the RC440BX Motherboard Product Guide. September 1998
If an FCC declaration of conformity marking is present on the board, the following statement applies:
FCC Declaration of Conformity
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device
may not cause harmful interference, and (2) this device must accept any interference received, including interference that
may cause undesired operation.
For questions related to the EMC performance of this product, contact:
Intel Corporation
5200 N.E. Elam Young Parkway
Hillsboro, OR 97124
1-800-628-8686
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee
that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
x
Reorient or relocate the receiving antenna.
x
Increase the separation between the equipment and the receiver.
x
Connect the equipment to an outlet on a circuit other than the one to which the receiver is connected.
x
Consult the dealer or an experienced radio/TV technician for help.
Canadian Department of Communications Compliance Statement:
This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the
Radio Interference Regulations of the Canadian Department of Communications.
Le présent appareil numerique német pas de bruits radioélectriques dépassant les limites applicables aux appareils
numériques de la classe B prescrites dans le Réglement sur le broullage radioélectrique édicté par le ministére des
Communications du Canada.
Disclaimer
Intel Corporation (Intel) makes no warranty of any kind with regard to this material, including, but not limited to, the implied
warranties of merchantability and fitness for a particular purpose. Intel assumes no responsibility for any errors that may
appear in this document. Intel makes no commitment to update nor to keep current the information contained in this
document. No part of this document may be copied or reproduced in any form or by any means without prior written
consent of Intel.
An Intel product, when used in accordance with its associated documentation, is "Year 2000 Capable" when, upon
installation, it accurately stores, displays, processes, provides, and/or receives date data from, into, and between the
twentieth and twenty-first centuries, including leap year calculations, provided that all other technology used in combination
with said product properly exchanges date data with it.
†
Third-party brands and trademarks are the property of their respective owners.
Copyright ¤ 1998, Intel Corporation. All Rights Reserved
Page 3
Contents
1 Motherboard Features
Features Summary............................................................................................................... 9
Components........................................................................................................................10
Back Panel I/O Connectors.................................................................................................11
Microprocessor....................................................................................................................12
Microprocessor Upgrades ...................................................................................................12
Main Memory ......................................................................................................................12
Second Level Cache Memory .............................................................................................13
PCI Enhanced IDE Interface ...............................................................................................13
Input/Output (I/O) Controller................................................................................................13
Real-Time Clock..................................................................................................................13
USB Support.......................................................................................................................14
Accelerated Graphics Port (AGP)........................................................................................14
BIOS ...................................................................................................................................15
BIOS Upgrades ..........................................................................................................15
PCI Auto Configuration...............................................................................................15
IDE Auto Configuration...............................................................................................15
ISA Plug and Play Capability......................................................................................15
Security Passwords....................................................................................................15
Expansion Slots...................................................................................................................16
Power Management............................................................................................................16
Advanced Power Management (APM)........................................................................16
Advanced Configuration and Power Interface (ACPI).................................................17
Battery.................................................................................................................................17
Wake on Ring......................................................................................................................17
Wake on LAN Technology (Optional)..................................................................................17
Graphics Subsystem...........................................................................................................18
nVidia RIVA128ZX Graphics Controller ......................................................................18
VIP Video Interface Port.............................................................................................18
Audio Subsystem ................................................................................................................19
Sound Blaster AudioPCI 64V Audio Controller............................................................19
Crystal Semiconductor CS4297 Stereo Audio Codec.................................................19
Audio Connectors.......................................................................................................19
Audio Drivers and Utilities...........................................................................................19
Hardware Monitor................................................................................................................20
Speaker (Optional)..............................................................................................................20
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RC440BX Motherboard Product Guide
2 Installing and Replacing Motherboard Components
Before You Begin................................................................................................................21
How to Install and Remove the Motherboard.......................................................................22
®
How to Install a Pentium
Install the Retention Mechanism.................................................................................23
Install the Processor...................................................................................................24
How to Install a Celeron
Install the Retention Mechanism.................................................................................26
Install the Processor...................................................................................................27
How to Set the Processor Speed ........................................................................................28
How to Upgrade to a Boxed Pentium II Processor ..............................................................29
Removing a Pentium II Processor ..............................................................................29
Removing a Celeron Processor..................................................................................33
Upgrade the Processor...............................................................................................34
How to Install Memory.........................................................................................................34
How to Remove Memory.....................................................................................................36
How to Replace the Battery.................................................................................................37
How to Clear the Passwords...............................................................................................39
II Processor................................................................................23
Processor..................................................................................25
™
3 Using the Setup Program
Setup Program Modes ........................................................................................................41
Setup Menus.......................................................................................................................41
Function Keys .....................................................................................................................42
Maintenance Menu..............................................................................................................43
Main Menu ..........................................................................................................................43
Advanced Menu ..................................................................................................................44
Boot Setting Configuration Submenu..........................................................................44
Peripheral Configuration Submenu.............................................................................45
IDE Configuration .......................................................................................................46
IDE Configuration Submenus .....................................................................................47
Diskette Configuration Submenu ................................................................................48
Event Logging Submenu ............................................................................................48
Video Configuration Submenu....................................................................................48
Resource Configuration Submenu..............................................................................49
Security Menu.....................................................................................................................49
Power Menu........................................................................................................................50
Boot Menu...........................................................................................................................50
Exit Menu............................................................................................................................51
4 Upgrading the BIOS
Preparing for the Upgrade...................................................................................................53
Obtaining the BIOS Upgrade File ...............................................................................53
Recording the Current BIOS Settings.........................................................................53
Creating a Bootable Diskette......................................................................................54
Creating the BIOS Upgrade Diskette..........................................................................54
Upgrading the BIOS............................................................................................................55
Recovering the BIOS...........................................................................................................55
Changing the BIOS Language.............................................................................................56
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5 Technical Reference
Motherboard Connectors.....................................................................................................57
Front Panel Connectors ......................................................................................................63
Jumper Blocks.....................................................................................................................65
USB Port 0 Configuration Jumper Block.....................................................................66
BIOS Setup Configuration Jumper Block....................................................................66
Motherboard Resources......................................................................................................66
Memory Map ..............................................................................................................66
DMA Channels ...........................................................................................................67
I/O Map ......................................................................................................................67
PCI Configuration Space Map ....................................................................................69
Interrupts....................................................................................................................69
A Error Messages
BIOS Beep Codes...............................................................................................................71
BIOS Error Messages .........................................................................................................71
B Regulatory and Integration Information
Regulatory Compliance.......................................................................................................73
Product Certification Markings....................................................................................74
Installation Precautions .......................................................................................................74
Installation Instructions........................................................................................................74
Ensure Electromagnetic Compatibility (EMC).............................................................75
Ensure Host Computer and Accessory Module Certifications.....................................75
Prevent Power Supply Overload.................................................................................76
Place Battery Marking on the Computer.....................................................................76
Use Only for Intended Applications.............................................................................76
Contents
Figures
1. Motherboard Components..........................................................................................10
2. Back Panel I/O Connectors ........................................................................................11
3. Mounting Screw Holes................................................................................................22
4. Installing the Processor Retention Mechanism...........................................................23
5. Installing the Processor ..............................................................................................24
6. Installing the Heatsink Support Top Bar......................................................................25
7. Installing the Processor Retention Mechanism...........................................................26
8. Installing the Processor ..............................................................................................27
9. Location of the Configuration Jumper Block ...............................................................28
10. Removing the Heatsink Support Top Bar and the Processor......................................30
11. Removing the Heatsink Support Retention Pins.........................................................31
12. Placing the Heatsink Support Base Removal Tool on the Retention Pins...................32
13. Using the Heatsink Support Base Removal Tool........................................................32
14. Removing the Celeron Processor...............................................................................33
15. Location of DIMM Sockets..........................................................................................35
16. Installing a DIMM........................................................................................................36
17. Replacing the Battery.................................................................................................38
18. Motherboard Connectors............................................................................................57
19. Front Panel Connectors..............................................................................................63
20. Location of the Jumper Blocks....................................................................................65
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RC440BX Motherboard Product Guide
Tables
1. Jumper Settings for Setup Program Modes................................................................41
2. Setup Menu Bar .........................................................................................................42
3. Setup Function Keys ..................................................................................................42
4. Maintenance Menu.....................................................................................................43
5. Main Menu..................................................................................................................43
6. Advanced Menu..........................................................................................................44
7. Boot Setting Configuration Submenu..........................................................................44
8. Peripheral Configuration Submenu.............................................................................45
9. IDE Device Configuration ...........................................................................................46
10. IDE Configuration Submenus .....................................................................................47
11. Diskette Configuration Submenu................................................................................48
12. Event Logging Submenu ............................................................................................48
13. Video Configuration Submenu....................................................................................48
14. Resource Configuration Submenu..............................................................................49
15. Security Menu ............................................................................................................49
16. Power Menu...............................................................................................................50
17. Boot Menu..................................................................................................................50
18. Exit Menu ...................................................................................................................51
19. Digital Audio Connector (Optional) .............................................................................58
20. Optional Video In Connector (blue).............................................................................58
21. Auxiliary Line In Connector (white).............................................................................58
22. Telephony Connector (green).....................................................................................58
23. CD-ROM Audio Connector (black)..............................................................................58
24. Processor Active Fan Connector................................................................................58
25. Chassis Intrusion Connector.......................................................................................58
26. Power Supply Connector............................................................................................59
27. VIP Video Connector..................................................................................................59
28. USB Front Panel Connector (Optional).......................................................................59
29. Wake on Ring Connector............................................................................................60
30. Fan 1 Connector.........................................................................................................60
31. SCSI LED Connector (Optional).................................................................................60
32. Wake on LAN Technology Connector.........................................................................60
33. Diskette Drive Connector............................................................................................60
34. Fan 2 Connector.........................................................................................................61
35. PCI IDE Connectors...................................................................................................61
36. PC/PCI Connector (Optional) .....................................................................................62
37. Serial Port B Connector..............................................................................................62
38. Front Panel I/O Connector..........................................................................................63
39. Power LED (Single-colored) .......................................................................................64
40. Power LED (Dual-colored)..........................................................................................64
41. USB Port 0 Configuration Jumper Settings.................................................................66
42. BIOS Setup Configuration Jumper Settings................................................................66
43. Memory Map ..............................................................................................................66
44. DMA Channels ...........................................................................................................67
45. I/O Map ......................................................................................................................67
46. PCI Configuration Space Map ....................................................................................69
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Contents
47. Interrupts....................................................................................................................69
48. Beep Codes................................................................................................................71
49. BIOS Error Messages.................................................................................................71
50. Safety Regulations .....................................................................................................73
51. EMC Regulations........................................................................................................73
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RC440BX Motherboard Product Guide
viii
Page 9
1 Motherboard Features
This chapter gives an overview of the RC440BX motherboard, including:
x
Features
x
Components
x
Back panel I/O connectors
The remaining chapters explain how to:
x
Add or upgrade components like processors or memory
x
Use the BIOS Setup program to modify the motherboard’s configuration
x
Upgrade the BIOS
Features Summary
x
Full ATX form factor of 12 x 9.6 inches with eleven mounting screw holes or (optionally) a
microATX form factor of 9.6 x 9.6 inches with eight mounting screw holes
x
Support for the following processors:
®
x
Two Dual Inline Memory Module (DIMM) sockets
x
Intel
x
I/O controller
x
Two Universal Serial Bus (USB) ports, two serial ports, one parallel port
x
Intel/AMI Basic Input/Output System (BIOS)
x
Single-jumper configuration
x
Onboard nVidia RIVA128ZX video controller with 8MB SDRAM and VIP video connector
x
Onboard Sound Blaster
audio codec
Pentium® II processor
Intel
®
Celeron™ processor
Intel
Supports up to 256 MB of synchronous DRAM (SDRAM) memory
®
82440BX AGPset
PCI/AGP controller (PAC)
PCI ISA IDE Xcelerator (PIIX4E)
†
AudioPCI 64V digital audio controller and AC ’97 Crystal CS4297
Software drivers and utilities are available from Intel.
NOTE
✏
For information about Intel® motherboards, including technical product specifications, BIOS
upgrades, and device drivers, see “Products” at the Intel World Wide Web site:
http://support.intel.com/support/motherboards/desktop
The RC440BX motherboard is available in either a microATX or a full ATX form factor. Except
where noted, all figures and descriptions in this manual are based on the full ATX motherboard.
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RC440BX Motherboard Product Guide
Components
Figure 1 shows the major components on the motherboard.
B GA F
EDC
KK
JJ
HH
GG
FF
EE
II
DD UVWY SAA X T
ZBBCC
H
I
J
K
L
M
N
O
P
Q
R
OM07380
A Digital audio connector (optional) T Fan 1 (power supply) connector (optional)
B CS4297 audio codec U Front panel connector
C Video in connector (optional) V SCSI LED connector
D Auxiliary line in connector W Wake on LAN† Technology connector
E Telephony connector X VIP video connector
F CD-ROM connector Y Diskette drive connector
G Back panel connectors Z Fan 2 (system) connector
H 242-contact slot connector AA IDE connectors
I Chassis intrusion connector BB PC/PCI audio connector
J Fan 3 (processor) connector CC Configuration jumper block
K Intel® 82443BX PAC DD Serial port B connector
L DIMM sockets EE SMC I/O controller
M Speaker FF Intel® 82371EB PIIX4E
N Power supply connector GG nVidia RIVA 128ZX Graphics controller
O SDRAM graphics memory HH Flash memory
P USB Port 0 configuration jumper block II Sound Blaster Audio PCI 64V audio controller
Q USB front panel connector (optional) JJ PCI slots
R Battery KK ISA slots
S Wake on Ring connector
10
Figure 1. Motherboard Components
Page 11
NOTE
✏
Components labeled optional do not come on all RC440BX motherboards.
Back Panel I/O Connectors
Figure 2 shows the back panel I/O connectors on the motherboard.
Motherboard Features
A
C
BE
D
A PS/2† keyboard or mouse G VGA† port
B PS/2 keyboard or mouse H MIDI/Game port
C USB port 1 I Audio line out
D USB port 2 J Audio line in
E Serial port A K Mic in
F Parallel port
F
G
H
IK
J
Figure 2. Back Panel I/O Connectors
OM07391
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RC440BX Motherboard Product Guide
Microprocessor
The motherboard supports a single Pentium II processor or a single Celeron processor. Processors
are not included with the RC440BX motherboard and must be purchased separately.
The processor connects to the motherboard through the 242-contact slot connector. When
mounted in the slot connector, the processor is secured by a retention mechanism attached to the
motherboard. A passive heatsink is stabilized by the heatsink support.
The motherboard supports the following processors:
Processor Type Processor Speed (in MHz) Host Bus Frequency (in MHz) Level 2 Cache (in KB)
Pentium II
processor
Celeron
processor
233
266
300
333
350
400
450
266
300
300A
333
66
66
66
66
100
100
100
66
66
66
66
512
512
512
512
512
512
512
0
0
128
128
For the latest information on processor support for the RC440BX motherboard, refer to the Intel
boxed motherboard web site at:
http://support.intel.com/support/motherboards/desktop/
Microprocessor Upgrades
The motherboard can be upgraded with any processor at speeds specified in the section above.
To upgrade the processor, see Chapter 2.
Main Memory
The motherboard has two sockets for installing DIMMs. Minimum memory size is 16 MB;
maximum memory size is 256 MB. To install memory, see Chapter 2.
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Motherboard Features
Second Level Cache Memory
The second level cache for the Pentium II processor includes synchronous pipelined burst static
RAM (PBSRAM) and tag RAM. There are four PBSRAM components totaling 512 KB in size.
All supported onboard memory is cacheable.
The Celeron processors that include an integrated 128 KB second level cache subsystem have it
implemented on the processor die. All supported onboard memory can be cached.
PCI Enhanced IDE Interface
The PCI enhanced IDE interface handles the exchange of information between the processor and
peripheral devices like hard disks and add-in boards inside the computer. The interface supports:
x
Up to four IDE devices (such as hard drives)
x
ATAPI devices (such as CD-ROM drives)
x
PIO Mode 3 and PIO Mode 4 devices
x
Ultra DMA/33
x
Logical block addressing (LBA) of hard drives larger than 528 MB and extended cylinder head
sector (ECHS) translation modes
x
Support for laser servo (LS-120) drives
Input/Output (I/O) Controller
The I/O controller handles the exchange of information between the processor and external devices
like the mouse and keyboard or a printer that are connected to the computer. The controller
features the following:
x
Integrated keyboard and mouse controller
x
Industry standard diskette drive controller
x
One multimode bi-directional parallel port
Standard mode: Centronics-compatible operation
High speed mode: support for Extended Capabilities Port (ECP) and Enhanced Parallel
Port (EPP)
x
Two serial ports
†
x
Flexible IRQ and DMA mapping for Windows
95 and Windows 98
Real-Time Clock
The motherboard has a time-of-day clock and 100-year calendar that will rollover to 2000 at the
turn of the century. A battery on the motherboard keeps the clock current when the computer is
turned off.
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RC440BX Motherboard Product Guide
NOTE
✏
The recommended method of accessing the date in systems with Intel motherboards is indirectly
from the Real-Time Clock (RTC) via the BIOS. The BIOS on Intel motherboards and baseboards
contains a century checking and maintenance feature that checks the least two significant digits of
the year stored in the RTC during each BIOS request (INT 1Ah) to read the date and, if less than
80 (i.e., 1980 is the first year supported by the PC), updates the century byte to 20. This feature
enables operating systems and applications using the BIOS date/time services to reliably
manipulate the year as a four-digit value.
For more information on proper date access in systems with Intel motherboards please see
http://support.intel.com/support/year2000/paper.htm
USB Support
The motherboard has two USB ports. You can connect two USB peripheral devices directly to the
computer without an external hub. To attach more than two devices, connect an external hub to
either of the built-in ports. The motherboard supports the standard universal host controller
interface (UHCI) and takes advantage of standard software drivers written to be compatible with
UHCI. The USB features the following:
x
Support for hot swapping Plug and Play devices
x
Support for self-identifying peripherals
x
Support for up to 127 physical devices
x
Guaranteed bandwidth and low latencies appropriate for telephony, audio, and other
applications
NOTE
✏
Computer systems that have an unshielded cable attached to a USB port might not meet FCC
Class B requirements, even if no device or a low-speed USB device is attached to the cable. Use a
shielded cable that meets the requirements for a high-speed USB device.
Accelerated Graphics Port (AGP)
The integrated AGP is a high-performance bus for graphics-intensive applications, such as 3D
applications. AGP is independent of the PCI bus and is intended for exclusive use with graphical
display devices. AGP provides the following features:
x
Pipelined memory read and write operations that hide memory access latency
x
Demultiplexing of address and data on the bus for nearly 100 percent bus efficiency
x
AC timing for 133 MHz data transfer rates, allowing real data throughput in excess of
500 MB/sec.
There is no AGP connector present on the motherboard, but the onboard video controller uses AGP
for video operations.
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Motherboard Features
BIOS
The motherboard’s system BIOS is contained in a flash memory device on the motherboard. The
BIOS provides the power-on self test (POST), the BIOS Setup program, and the PCI and IDE autoconfiguration utilities.
The BIOS is always shadowed. Shadowing allows BIOS routines to be executed from fast 64-bit
onboard DRAM instead of from the slower 8-bit flash memory device.
BIOS Upgrades
Because the BIOS is stored in a flash memory device, you can upgrade the BIOS by using a
software utility on a diskette or hard disk, or over a network. For information on upgrading the
BIOS, see Chapter 4.
PCI Auto Configuration
If you install a PCI add-in board in your computer, the PCI auto-configuration utility in the BIOS
automatically detects and configures the resources (IRQs, DMA channels, and I/O space) for that
add-in board. You do not need to run the BIOS Setup program after you install a PCI add-in
board.
However, PCI add-in boards use the same IRQ resources as ISA add-in boards. If you install both
a PCI and an ISA add-in board, you must specify the IRQ used by the ISA card. The PCI auto
configuration program complies with version 2.1 of the PCI BIOS specification.
IDE Auto Configuration
If you install an IDE device (e.g., a hard drive) in your computer, the IDE auto-configuration
utility in the BIOS automatically detects and configures the device for your computer. You do not
need to run the BIOS Setup program after installing an IDE device.
ISA Plug and Play Capability
The motherboard provides auto configuration of Plug and Play ISA cards and resource
management for legacy (non-Plug and Play) ISA cards when used with the ISA Configuration
Utility (ICU) or a Plug and Play compatible operating system like Windows 95 and Windows 98.
To obtain the ICU, contact your computer supplier.
Security Passwords
The BIOS includes security features that restrict whether the BIOS Setup program can be accessed
and who can boot the computer. A supervisor password and a user password can be set for the
Setup program and for booting the computer, with the following restrictions:
x
The supervisor password gives unrestricted access to view and change all the Setup options in
the Setup program. This is supervisor mode.
x
The user password gives restricted access to view and change Setup options in the Setup
program. This is user mode.
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RC440BX Motherboard Product Guide
x
If only the supervisor password is set, pressing the <Enter> key at the password prompt of the
Setup program gives the user restricted access to Setup.
x
If both the supervisor and user passwords are set, you must enter either the supervisor
password or the user password to access Setup.
x
Setting a user password restricts who can boot the computer. The password prompt is
displayed before the computer is booted. If only the supervisor password is set, the computer
boots without asking for a password. If both passwords are set, you can enter either password
to boot the computer.
Expansion Slots
The motherboard has seven expansion slots for installing add-in boards, such as network cards,
that expand the capabilities of your computer. The expansion slots are as follows:
x
Three ISA slots
x
One shared PCI/ISA slot
x
Three PCI slots
Power Management
The motherboard supports two types of power management — Advanced Power Management
(APM) and Advanced Configuration and Power Interface (ACPI).
Advanced Power Management (APM)
APM’s energy saving standby mode can be initiated in the following ways:
x
Specify a time-out period in Setup
x
Press the suspend/resume switch connected to the front panel sleep connector
x
Use an operating system option, such as the Suspend menu item in Windows 95 and
Windows 98
In standby mode, the motherboard can reduce power consumption by spinning down hard drives,
†
and reducing power to or turning off VESA
mode can be enabled or disabled in Setup (see Chapter 3).
While in standby mode, the system retains the ability to respond to external interrupts and service
requests, such as incoming faxes or network messages. Any keyboard or mouse activity brings the
system out of standby mode and immediately restores power to the monitor.
The BIOS enables APM by default; but the operating system must support an APM driver for the
power-management features to work. For example, Windows 95 and Windows 98 support the
power-management features upon detecting that APM is enabled in the BIOS.
DPMS-compliant monitors. Power-management
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Motherboard Features
Advanced Configuration and Power Interface (ACPI)
ACPI gives the operating system direct control over the power management and Plug and Play
functions of a computer. ACPI requires an ACPI-aware operating system. ACPI features include:
x
Plug and Play (including bus and device enumeration) and APM functionality normally
contained in the BIOS
x
Power management control of individual devices, add-in boards (some add-in boards might
require an ACPI-aware driver), video monitor, and hard disk drives
x
Methods for achieving less than 30-watt system operation in the Power On Suspend sleeping
state, and less than 5-watt system operation in the Suspend to Disk sleeping state
x
A Soft-off feature that enables the operating system to power off the computer
x
Support for multiple wake up events
x
Support for a front panel power and sleep mode switch
Battery
A battery on the motherboard keeps the clock and the values in CMOS RAM current when your
computer is turned off. To replace the battery, see Chapter 2.
Wake on Ring
Wake on Ring enables the computer to wake from sleep or soft-off mode when a call is received
on a telephony device, such as a modem, configured for operation on Serial Port A. The first
incoming call powers up the computer. A second call must be made to access the computer. To
access this feature use the Wake on Ring connector. See Chapter 5 for the location and pinouts of
the Wake on Ring connector.
Wake on LAN Technology (Optional)
Wake on LAN technology enables remote wakeup of the computer through a network. Wake on
LAN technology requires a PCI add-in network interface card (NIC) with remote wakeup
capabilities. The remote wakeup connector on the NIC must be connected to the onboard Wake on
LAN technology connector. The NIC monitors network traffic at the MII interface; upon
†
detecting a Magic Packet
access this feature use the Wake on LAN technology connector. See Chapter 5 for the location and
pinouts of the Wake on LAN technology connector.
CAUTION
For Wake on LAN, the 5-V standby line for the power supply must be capable of delivering +5 V
r
5 % at 720 mA. Failure to provide adequate standby current when implementing Wake on LAN,
can damage the power supply.
, the NIC asserts a wakeup signal that powers up the computer. To
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RC440BX Motherboard Product Guide
Graphics Subsystem
The graphics subsystem features the nVidia RIVA128ZX graphics controller and a VIP video
interface port.
See Intel’s World Wide Web site for graphics drivers:
http://support.intel.com/support/motherboards/desktop
nVidia RIVA128ZX Graphics Controller
The nVidia RIVA128ZX graphics controller is paired with 8 MB of SDRAM video memory and
features:
x
2x AGP graphics support
x
Resolutions up to 1600 x 1200 x 32 bits per pixel at 75 Hz refresh rate
x
64-bit graphics pipeline to video memory
†
x
High-performance, 128-bit 2D/GUI/DirectDraw
†
x
Interactive, Direct3D
x
Video acceleration for DirectDraw/DirectVideo
technology
x
ACPI power management
acceleration
acceleration
†
, MPEG-1, MPEG-2, and Indeo® video
VIP Video Interface Port
VIP is a standard interface between video-enabled graphics controllers and one or more video
devices, such as video decoders. The VIP port features:
x
Backward compatibility with the VESA Feature Connector
x
RIVA 128ZX supports an ITU-CCIR-656 input stream, as available from most PCI-based
DVD cards and TV decoder cards, with horizontal (HSYNC) and vertical (VSYNC)
synchronization, odd and even video field, and ancillary data functions
x
Support for up to four VIP slave devices
x
Plug-and-play support through the graphics controller AGP interface
x
Variable resolutions and scan rates and interlaced and non-interlaced video
18
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Audio Subsystem
The audio subsystem consists of these devices:
x
Sound Blaster AudioPCI 64V audio controller
x
Crystal Semiconductor CS4297 stereo audio codec
x
Back panel and onboard audio connectors
Sound Blaster AudioPCI 64V Audio Controller
x
Interfaces to PCI bus as a Plug and Play device
x
100% DOS legacy compatible
x
Access to main memory (through the PCI bus) for wavetable synthesis support – does not
require a separate wavetable ROM device
x
PC 98 compliant
x
Connector for digital audio (optional)
Crystal Semiconductor CS4297 Stereo Audio Codec
x
High performance 18-bit stereo full-duplex audio codec with up to 48 kHz sampling rate
x
Connects to the Sound Blaster AudioPCI 64V using a five-wire digital interface
Motherboard Features
Audio Connectors
The audio connectors include the following:
x
Back panel audio jacks: Line out, Line in, Mic in, and MIDI/Game Port
x
ATAPI-style connectors: CD-ROM Audio, Line in (optional), Auxiliary line in, Telephony
x
PC/PCI audio
x
Digital audio (optional)
NOTE
✏
The Line out connector, located on the back panel, is designed to power headphones or amplified
speakers only. Poor audio quality may occur if passive (non-amplified) speakers are connected to
this output.
See Chapter 5 for the location and pinouts of the audio connectors.
Audio Drivers and Utilities
Audio software and utilities are available from Intel’s World Wide Web site:
http://support.intel.com/support/motherboards/desktop
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RC440BX Motherboard Product Guide
Hardware Monitor
The hardware monitor subsystem provides low-cost instrumentation capabilities. The features of
the hardware monitor subsystem include:
x
Support for an optional chassis intrusion connector
x
An integrated ambient temperature sensor
x
Fan speed sensors that monitor the fan 1 and the fan 2 connectors (see Figure 15 for the
location of these connectors on the motherboard)
x
Power supply voltage monitoring to detect levels above or below acceptable values
When suggested ratings for temperature, fan speed, or voltage are exceeded, an interrupt is
activated. The hardware monitor component connects to the system management bus (SMBus).
Speaker (Optional)
A 47 : inductive speaker is mounted on the motherboard. The speaker provides audible error
code (beep code) information during the power-on self test (POST).
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2 Installing and Replacing Motherboard
Components
This chapter describes the following:
x
How to install and remove the motherboard
x
How to install a processor
x
How to prepare the motherboard for a boxed Pentium II processor
x
How to install and remove memory
x
How to replace the battery
x
How to use the configuration jumper to set processor speed and clear passwords
Before You Begin
CAUTION
Before you install this motherboard in a chassis, see Appendix B for regulatory requirements and
precautions.
x
Always follow the steps in each procedure in the correct order.
x
Set up a log to record information about your computer, such as model, serial numbers,
installed options, and configuration information.
x
Use an antistatic wrist strap and a conductive foam pad when working on the motherboard.
WARNINGS
The procedures in this chapter assume familiarity with the general terminology associated with
personal computers and with the safety practices and regulatory compliance required for using
and modifying electronic equipment.
Disconnect the computer from its power source and from any telecommunications links,
networks, or modems before performing any of the procedures described in this chapter.
Failure to disconnect power, telecommunications links, networks, or modems before you open
the computer or perform any procedures can result in personal injury or equipment damage.
Some circuitry on the motherboard can continue to operate even though the front panel power
button is off.
CAUTION
Electrostatic discharge (ESD) can damage components. Perform the procedures described in this
chapter only at an ESD workstation. If such a station is not available, you can provide some ESD
protection by wearing an antistatic wrist strap and attaching it to a metal part of the computer
chassis.
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RC440BX Motherboard Product Guide
How to Install and Remove the Motherboard
Refer to your chassis manual for instructions on installing and removing the motherboard. The
motherboard is secured to the chassis by eleven screws. Figure 3 shows the locations of the
mounting screw holes.
NOTES
✏
You will need a Phillips (#2 bit) screwdriver.
Refer to Appendix B for regulatory requirements and installation instructions and precautions.
WARNING
This procedure should be done only by qualified technical personnel. Disconnect the computer
from its power source before doing the procedures described here. Failure to disconnect the
power before you open the computer can result in personal injury or equipment damage.
22
OM07382
Figure 3. Mounting Screw Holes
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Installing and Replacing Motherboard Components
How to Install a Pentium® II Processor
To install a processor, you must:
1. Install the retention mechanism.
2. Install the processor.
3. Set the processor speed.
Detailed instructions follow for each of these procedures.
NOTE
✏
Celeron processors use a different retention mechanisms. If you have a Celeron processor, see
“How to Install a Celeron™ Processor” on page 25.
NOTE
✏
If you are installing a boxed Intel Pentium II processor, see “How to Upgrade to a Boxed Pentium
II Processor” on page 29.
Install the Retention Mechanism
To install the retention mechanism, follow these steps:
1. Observe the precautions in “Before You Begin” (see page 21).
2. Find the 242-contact slot connector on the motherboard (see Figure 1 on page 10).
A
B
C
A Retention bracket C Slot 1 connector
B Press-fit fasteners
OM07025
Figure 4. Installing the Processor Retention Mechanism
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RC440BX Motherboard Product Guide
3. Orient the retention bracket so the tab of the 242-contact slot connector matches the
corresponding cutout in the retention bracket, then position the retention bracket on the
motherboard (see Figure 4).
4. Push each of the four fasteners through the motherboard mounting hole until you feel it snap
into place.
Install the Processor
To install the processor, follow these steps:
1. Insert the processor in the retention mechanism as shown in Figure 5.
2. Press down on the processor until it is firmly seated in the 242-contact slot connector and the
latches on the processor lock into place.
B
B
A
OM08232
A Retention mechanism
B Latches
Figure 5. Installing the Processor
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Installing and Replacing Motherboard Components
3. Slide the top heatsink support bar onto the retaining pins of the support’s base as shown in
Figure 6.
A
B
OM08234
A Heatsink support bar
B Retaining pins
Figure 6. Installing the Heatsink Support Top Bar
™
How to Install a Celeron
To install a processor, you must:
1. Install the retention mechanism.
2. Install the processor.
3. Set the processor speed.
Detailed instructions follow for each of these procedures.
NOTE
✏
Pentium II processors use a different retention mechanism. If you have a Pentium II processor,
see “How to Install a Pentium II Processor” on page 23.
NOTE
✏
If you are installing a boxed Intel Pentium II processor, see
“How to Upgrade to a Boxed Pentium II Processor” on page 29.
Processor
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RC440BX Motherboard Product Guide
Install the Retention Mechanism
To install the retention mechanism, follow these steps:
1. Observe the precautions in “Before You Begin” (see page 21).
2. Find the 242-contact slot connector on the motherboard (see Figure 1 on page 10).
B
A
C
A Retention bracket C Slot 1 connector
B Press-fit fasteners
Figure 7. Installing the Processor Retention Mechanism
OM08231
3. Orient the retention brackets so the sides with the slots are facing each other (see Figure 7),
then position the retention brackets on the motherboard.
4. Push each of the four fasteners through the motherboard mounting hole until you feel it snap
into place.
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Installing and Replacing Motherboard Components
Install the Processor
To install the processor, follow these steps:
1. Insert the processor in the center slot of the retention mechanism as shown in Figure 8.
2. Press down on the processor until it is firmly seated in the 242-contact slot connector and the
latches on the retention mechanism lock into place.
B
A
A Retention mechanism
B Latches
Figure 8. Installing the Processor
OM08233
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RC440BX Motherboard Product Guide
How to Set the Processor Speed
Set the processor speed after you have installed or upgraded the processor. This procedure
assumes that the motherboard is installed in the computer and the configuration jumper block is set
to normal mode.
Figure 9 shows the location of the configuration jumper block on the motherboard. The jumper is
set to normal mode at the factory.
31
J10B2
Figure 9. Location of the Configuration Jumper Block
OM07383
CAUTION
To avoid bending or breaking pins, use caution when removing or installing a jumper.
To set the processor speed, follow these steps:
1. Observe the precautions in “Before You Begin” (see page 21).
2. Turn off all peripheral devices connected to the computer. Turn off the computer.
3. Remove the computer cover.
4. Find the configuration jumper block (see Figure 9).
5. Place the jumper on pins 2-3 as shown below.
31
J10B2
6. Replace the cover, turn on the computer, and allow it to boot.
7. The computer starts the Setup program. Setup displays the Maintenance menu.
8. Use the arrow keys to select the Processor Speed feature and press <Enter>. Setup displays a
popup screen with the available processor speeds.
9. Use the arrow keys to select the processor speed. For example, select 266 for a 266 MHz
Pentium II processor. Press <Enter> to confirm the speed. This Maintenance menu reappears
again.
10. Press <F10> to save the current values and exit Setup.
11. Turn off the computer.
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Installing and Replacing Motherboard Components
12. Remove the computer cover.
13. To restore normal operation, place the jumper on pins 1-2 as shown below.
31
J10B2
14. Replace the cover and turn on the computer.
15. Verify the processor speed during POST.
How to Upgrade to a Boxed Pentium II Processor
Use the instructions in this section to prepare the motherboard for a boxed Pentium II processor
upgrade by removing the existing processor:
x
If you are upgrading from a Pentium II processor, see Removing a Pentium II Processor below.
x
If you are upgrading from a Celeron processor, see “Removing a Celeron Processor” on
page 33.
After you have removed the existing processor, see the documentation that came with the boxed
Intel Pentium II processor for instructions on installing the new processor.
Removing a Pentium II Processor
To remove the installed processor, follow these steps:
1. Observe the precautions in “Before You Begin” (see page 21).
2. Turn off all peripheral devices connected to the computer. Turn off the computer.
3. Remove the computer cover.
4. Remove the motherboard from the computer chassis. (See “How to Install and Remove the
Motherboard” on page 22.)
5. Place the motherboard on a flat work surface and remove any components that block access to
the installed processor.
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RC440BX Motherboard Product Guide
6. Remove the top bar of the heatsink support from the base as shown in Figure 10. Press in on
the latches to release the top bar.
B
B
A
OM08238
A Heatsink support top bar
B Latches
Figure 10. Removing the Heatsink Support Top Bar and the Processor
CAUTION
Pressing on the motherboard or components while removing the processor can cause damage.
If necessary, you can safely press on the motherboard’s plastic connectors to gain leverage while
removing the processor.
7. Remove the processor by pressing in on the latches and pulling the processor straight up as
shown in Figure 10. Place the processor aside.
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Installing and Replacing Motherboard Components
NOTE
✏
To remove the heatsink support base from the motherboard, you need a special removal tool
(MID #58982) that is available from Dexter Design (call 503-648-7000 for ordering information).
8. With your fingers, remove the two retention pins from the heatsink support base as shown in
Figure 11.
A
B
A
A Retention pins
B Heatsink support base
Figure 11. Removing the Heatsink Support Retention Pins
OM08240
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RC440BX Motherboard Product Guide
9. Place the heatsink support removal tool over the two outside posts of the heatsink support base
as shown in Figure 12. Make sure the tool completely engages the posts.
A
B
OM08241
A Heatsink support removal tool B Heatsink support base
Figure 12. Placing the Heatsink Support Base Removal Tool on the Retention Pins
10. Carefully rock the tool back and forth until the heatsink support base disengages from the
holes in the motherboard (as shown in Figure 13). There is an audible click when the base
disengages from the motherboard.
OM08242
Figure 13. Using the Heatsink Support Base Removal Tool
11. Remove the tool and the heatsink support base from the motherboard.
That completes the removal of the Pentium II processor and heatsink support base. See the
documentation that came with the boxed Intel Pentium II processor for instructions on installing
the new processor.
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Installing and Replacing Motherboard Components
Removing a Celeron Processor
To remove the installed processor, follow these steps:
1. Observe the precautions in “Before You Begin” (see page 21).
2. Turn off all peripheral devices connected to the computer. Turn off the computer.
3. Remove the computer cover.
4. Remove the motherboard from the computer chassis. (See “How to Install and Remove the
Motherboard” on page 22.)
5. Place the motherboard on a flat work surface and remove any components that block access to
the installed processor.
NOTE
✏
The following step is easier to accomplish with two people. While one person pulls out on the
retention mechanism the second person pulls up on the processor.
CAUTION
Pressing on the motherboard or components while removing the processor can cause damage.
If necessary, you can safely press on the motherboard’s plastic connectors to gain leverage while
removing the processor.
6. Remove the processor by pulling out on the latches at the top of the retention mechanism and
pulling the processor straight up as shown in Figure 14.
OM08239
Figure 14. Removing the Celeron Processor
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RC440BX Motherboard Product Guide
NOTE
✏
To remove the processor retention mechanism from the motherboard, you need a special removal
tool (P/N 000020) that is available from Napco (call 602-968-5586 for ordering information).
7. Remove the four fasteners that hold the two ends of the retention mechanism in place: insert
the prongs of the removal tool under the head of the fastener and pull back on the handle of the
tool to pry up the fastener.
8. Remove the two ends of the retention mechanism from the board.
That completes the removal of the Celeron processor and retention mechanism. See the
documentation that came with the boxed Intel Pentium II processor for instructions on installing
the new processor.
Upgrade the Processor
See the documentation that came with the boxed Intel Pentium II processor.
How to Install Memory
You can install from 16 MB to 256 MB of memory in the motherboard DIMM sockets. The board
has DIMM sockets arranged as banks 0 and 1. The motherboard supports the following memory
features:
x
168-pin DIMMs with gold-plated contacts
x
66 or 100 MHz SDRAM
x
Non-ECC (64-bit) and ECC (72-bit) memory
x
3.3 V memory only
x
Single- or double-sided DIMMs in the following sizes:
DIMM
Capacity
16 MB 2M X 64 16 Mbit 1M X 16 8
16 MB 2M X 64 16 Mbit 2M X 8 8
16 MB 2M X 64 64 Mbit 2M X 32 2
32 MB 4M X 64 16 Mbit 2M X 8 16**
32 MB 4M X 64 64 Mbit 2M X 32 4
32 MB 4M X 64 64 Mbit 4M X 16 4
64 MB 8M X 64 64 Mbit 4M X 16 8
64 MB 8M X 64 64 Mbit 8M X 8 8
128 MB 16M X 64 64 Mbit 8M X 8 16**
* ECC DIMM organization will be X 72 and one additional component will be used on each side of DIMM.
** If number of SDRAMs is greater than nine, the DIMM will be double sided.
DIMM
Organization*
SDRAM
Density
SDRAM
Organization
Number of
SDRAMs
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Installing and Replacing Motherboard Components
When adding memory, follow these guidelines:
x
You can install DIMMs in either of the two banks.
x
You can use different sizes of DIMMs in different banks.
x
The BIOS detects the size and type of installed memory.
x
For ECC operation to be available, all installed memory must be ECC and you must enable the
ECC Configuration feature in the Setup program (see Chapter 3).
CAUTION
To be fully compliant with all applicable Intel® SDRAM memory specifications, the motherboard
should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure.
If your memory modules do not support SPD, you will see a notification to this effect on the screen
at power up. The BIOS will attempt to configure the memory controller for normal operation.
However, DIMMs might not function under the determined frequency. You can access the PC
Serial Presence Detect Specification at:
http://www.intel.com/design/pcisets/memory/
NOTE
✏
All memory components and DIMMs used with the RC440BX motherboard must comply with the
PC SDRAM specifications. These include: the PC SDRAM Specification (memory component
specific), the PC100 SDRAM Component Testing Summary, the PC Unbuffered DIMM
Specification, and the PC Registered DIMM Specification. You can access these documents
through the Internet at:
http://www.intel.com/design/pcisets/memory/
Figure 15 shows the location of the DIMM sockets.
0
1
Figure 15. Location of DIMM Sockets
OM07386
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RC440BX Motherboard Product Guide
To install DIMMs, follow these steps:
1. Observe the precautions in “Before You Begin” (see page 21).
2. Turn off all peripheral devices connected to the computer. Turn off the computer.
3. Remove the computer cover and locate the DIMM sockets.
4. Holding the DIMM by the edges, remove it from its antistatic package.
5. Make sure the clips at either end of the socket are pushed away from the socket.
6. Position the DIMM above the socket. Align the two small notches in the bottom edge of the
DIMM with the keys in the socket.
7. Insert the bottom edge of the DIMM into the socket (see Figure 16).
8. When the DIMM is seated, push down on the top edge of the DIMM until the retaining clips
snap into place. Make sure the clips are firmly in place.
9. Replace the computer cover.
10. If you installed a DIMM with ECC memory, turn on the computer and use the ECC
Configuration feature in Setup to enable ECC (see Chapter 3).
OM07387
Figure 16. Installing a DIMM
How to Remove Memory
To remove a DIMM, follow these steps:
1. Observe the precautions in "Before You Begin" (see page 21).
2. Turn off all peripheral devices connected to the computer. Turn off the computer.
3. Remove the computer cover.
4. Gently spread the retaining clips at each end of the socket. The DIMM pops out of the socket.
5. Hold the DIMM by the edges, lift it away from the socket, and store it in an antistatic package.
6. Reinstall and reconnect any parts you removed or disconnected to reach the DIMM sockets.
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Installing and Replacing Motherboard Components
How to Replace the Battery
When your computer is turned off, a lithium battery maintains the current time-of-day clock and
the values in CMOS RAM current. Figure 17 shows the location of the battery.
The battery should last about seven years. When the battery begins to die, it loses voltage; when
the voltage drops below a certain level, the Setup program settings stored in CMOS RAM (for
example, the date and time) might not be accurate. Replace the battery with an equivalent one.
WARNING
Danger of explosion if the battery is incorrectly replaced. Replace only with the same or
equivalent type recommended by the equipment manufacturer. Discard used batteries according
to manufacturer’s instructions.
ATTENTION
Il y a danger d’explosion s’il y a remplacement incorrect de la batterie. Remplacer uniquement
avec une batterie du méme type ou d’un type recommandé par le constructeur. Mettre au rébut
les batteries usagées conformément aux instructions du fabricant.
ADVARSEL!
Lithiumbatteri - Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri
af samme fabrikat og type. Levér det brugte batteri tilbage til leverandøren.
ADVARSEL
Lithiumbatteri - Eksplosjonsfare. Ved utskifting benyttes kun batteri som anbefalt av
apparatfabrikanten. Brukt batteri returneres apparatleverandøren.
VARNING
Explosionsfara vid felaktigt batteribyte. Använd samma batterityp eller en ekvivalent typ som
rekommenderas av apparattillverkaren. Kassera använt batteri enligt fabrikantens instruktion.
VAROITUS
Paristo voi räjähtää, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan
laitevalmistajan suosittelemaan tyyppiin. Hävitä käjtetty paristo valmistajan ohjeiden
mukaisesti.
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RC440BX Motherboard Product Guide
To replace the battery, follow these steps:
1. Observe the precautions in “Before You Begin” (see page 21).
2. Turn off all peripheral devices connected to the computer. Turn off the computer.
3. Remove the computer cover.
4. Locate the battery on the motherboard (see Figure 17).
5. With a medium flat-bladed screwdriver, gently pry the battery free from its socket. Note the
orientation of the “+” and “-” on the battery.
6. Install the new battery in the socket, orienting the “+” and “-” correctly.
7. Replace the computer cover.
A
B
C
Figure 17. Replacing the Battery
NOTE
✏
If your local ordinances permit, you may dispose of individual batteries as normal trash. Do not
expose batteries to excessive heat or fire. Keep all batteries away from children.
OM07388
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Installing and Replacing Motherboard Components
How to Clear the Passwords
This procedure assumes that the motherboard is installed in the computer and the configuration
jumper block is set to normal mode.
1. Observe the precautions in “Before You Begin” (see page 21).
2. Turn off all peripheral devices connected to the computer. Turn off the computer.
3. Remove the computer cover.
4. Find the configuration jumper block (see Figure 9).
5. Place the jumper on pins 2-3 as shown below.
31
J10B2
6. Replace the cover, turn on the computer, and allow it to boot.
7. The computer starts the Setup program. Setup displays the Maintenance menu.
8. Use the arrow keys to select Clear Passwords. Press <Enter> and Setup displays a pop-up
screen requesting that you confirm clearing the password. Select Yes and press <Enter>.
Setup displays the Maintenance menu again.
9. Press <F10> to save the current values and exit Setup.
10. Turn off the computer.
11. Remove the computer cover.
12. To restore normal operation, place the jumper on pins 1-2 as shown below.
31
J10B2
13. Replace the cover and turn on the computer.
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RC440BX Motherboard Product Guide
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3 Using the Setup Program
This chapter provides an overview of the Setup program. You can use the Setup program to
change the configuration information and boot sequence for the computer.
NOTE
✏
For reference purposes, you should write down the current Setup settings. When you make
changes to the settings, update this record.
Setup Program Modes
The Setup program has three modes of operation:
x
Normal mode for normal operations
x
Configure mode for configuring the processor speed and clearing passwords (see Chapter 2 for
how to do both tasks)
x
Recovery mode for recovering the BIOS data
The Setup program operating mode is controlled by the setting of the configuration jumper block
J10B2 (see Figure 9). The jumper is set to normal mode at the factory.
Table 1 shows jumper settings for the different Setup modes.
Table 1. Jumper Settings for Setup Program Modes
Mode Jumper Description
Normal 1-2 BIOS uses current configuration and passwords for booting.
Configure 2-3 After the POST runs, Setup starts and displays the Maintenance menu. This menu
displays options for setting the processor speed and clearing passwords.
Recovery None BIOS recovers data from a recovery diskette. Refer to Chapter 4 for information on
recovering the BIOS data during an upgrade.
Setup Menus
To enter the Setup program, turn the computer on and immediately press <F2> until you see the
message:
Entering SETUP
NOTE
✏
The Setup menu screens described in this section apply to RC440BX motherboards with BIOS
identifier 4R4CBOXA.86A.0007.P02. Motherboards with other BIOS identifiers might have
differences in one or more of the Setup menu screens.
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RC440BX Motherboard Product Guide
Table 2 is an overview of the menu screens in the Setup program.
Table 2. Setup Menu Bar
Setup Menu Screen Description
Maintenance Specifies the processor speed and clears the Setup passwords. This menu is
only available in configure mode. See Setup Program Modes (page 41).
Main Allocates resources for hardware components.
Advanced Specifies advanced features available through the chipset.
Security Specifies passwords and security features.
Power Specifies power management features.
Boot Specifies boot options and power supply controls.
Exit1 Saves or discards changes to the Setup program options.
Function Keys
Table 3 shows the function keys available for menu screens.
Table 3. Setup Function Keys
Setup Key Description
<F1> or <Alt-H> Brings up a help screen for the current item. Help text appears on the right side
of the screen for each selection.
<Esc> Exits the menu.
<m> or <o> Selects a different menu screen.
<n> or <p> Moves cursor up or down.
<F9> Load the default configuration values for the current menu.
<F10> Save the current values and exit Setup.
<Enter> Executes command or selects the submenu.
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Using the Setup Program
Maintenance Menu
This menu is for setting the processor speed and clearing the Setup passwords. Setup only displays
this menu in configure mode. To set the processor speed, see “How to Set the Processor Speed” on
page 28. To clear the password, see “How to Clear the Passwords” on page 39”.
Table 4. Maintenance Menu
Feature Options Description
Processor Speed
(66 MHz Host Bus)
Processor Speed
(100 MHz Host Bus)
Clear All Passwords No options Clears the user and administrative passwords.
233
266
300
333
350
400
450
Specifies the processor speed in megahertz. This setup screen will
only show speeds up to and including the maximum speed of the
processor installed on the motherboard.
With a host bus operating at 66 MHz, the board supports processors
at the following speeds: 233, 266, 300, and 333 MHz.
With a host bus operating at 100 MHz, the board supports processors
at the following speeds: 350, 400, and 450 MHz.
Main Menu
This menu reports processor and memory information and is for configuring the system date and
system time.
Table 5. Main Menu
Feature Options Description
BIOS Version No options Displays the version of the BIOS.
Processor Type No options Displays processor type.
Processor Speed No options Displays processor speed.
Cache RAM No options Displays the amount of cache RAM for the processor.
Total Memory No options Displays the total amount of RAM on the motherboard.
Bank 0
Bank 1
Language
Cache Bus ECC
Memory
Configuration
System Time Hour, minute, and
System Date Month, day, and year Specifies the current date.
No options Displays size and type of DIMM installed in each memory
bank.
x
English (US)
(default)
x
Deutsche
x
Francais
x
Italiano
x
Espanol
x
Disabled (default)
x
Enabled
xxnon-ECC (default)
x
ECC
second
Selects the default language used by the BIOS.
Enables or disables ECC on the cache bus.
Enables or disables ECC.
Specifies the current time.
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RC440BX Motherboard Product Guide
Advanced Menu
This menu is for setting advanced features that are available through the chipset.
Table 6. Advanced Menu
Feature Options Description
Boot Settings Configuration No options Configures Plug and Play and the Numlock key, and resets
configuration data. When selected, displays the Boot
Settings Configuration submenu.
Peripheral Configuration No options Configures peripheral ports and devices. When selected,
displays the Peripheral Configuration submenu.
IDE Configuration No options Specifies type of connected IDE device.
Diskette Configuration No options When selected, displays the Floppy Options submenu.
Event Log Configuration No options Configures Event Logging. When selected, displays the
Event Log Configuration submenu.
Video Configuration No options Configures video features. When selected, displays the
Video Configuration submenu.
Resource Configuration No options Configures memory blocks and IRQs for legacy ISA devices.
When selected, displays the Resource Configuration
submenu.
Boot Setting Configuration Submenu
This menu is for setting Plug and Play and the Num Lock key, and for resetting configuration data.
Table 7. Boot Setting Configuration Submenu
Feature Options Description
Plug & Play O/S No (default)
Yes
Reset Config Data No (default)
Yes
Num Lock On (default)
Off
Specifies if a Plug and Play operating system is being used.
No
lets the BIOS configure all devices.
Yes
lets the operating system configure Plug and Play devices.
Not required with a Plug and Play operating system.
Clears the BIOS configuration data on the next boot.
Specifies the power on state of the Num Lock feature on the
numeric keypad of the keyboard.
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Peripheral Configuration Submenu
This submenu is for the configuring the computer peripherals.
Table 8. Peripheral Configuration Submenu
Feature Options Description
Serial port A
Base I/O
address
Interrupt
Serial port B
Mode
Base I/O
address
Interrupt
Parallel port
x
Disabled
x
Enabled
x
Auto (default)
xx3F8 (default)
x
2F8
x
3E8
x
2E8
x
IRQ 3
x
IRQ 4 (default)
x
Disabled
x
Enabled
x
Auto (default)
x
Normal (default)
†
x
x
x
x
x
x
x
x
x
x
x
SIR-A
IrDA
ASK_IR
3F8
2F8 (default)
3E8
2E8
IRQ 3 (default)
IRQ 4
Disabled
Enabled
Auto (default)
Configures serial port A.
Auto
address 3F8h and the interrupt IRQ4.
An * (asterisk) displayed next to an address indicates a
conflict with another device.
Specifies the base I/O address for serial port A, if serial
port A is Enabled.
Specifies the interrupt for serial port A, if serial port A is
Enabled.
Configures serial port B.
Auto
address 2F8h and the interrupt IRQ3.
An * (asterisk) displayed next to an address indicates a
conflict with another device.
If either serial port address is set, that address will not
appear in the list of options for the other serial port.
If an
active as an add-in card, the COM4, 2E8h address will
not appear in the list of options for either serial port.
Specifies the mode for serial port B for normal (COM 2)
or infrared applications. This option is not available if
serial port B has been disabled.
Specifies the base I/O address for serial port B, if serial
port B is Enabled.
Specifies the interrupt for serial port B, if serial port B is
Enabled.
Configures the parallel port.
Auto
IRQ7.
An * (asterisk) displayed next to an address indicates a
conflict with another device.
Using the Setup Program
assigns the first free COM port, normally COM1, the
assigns the first free COM port, normally COM2, the
ATI mach32
assigns LPT1 the address 378h and the interrupt
†
or an
ATI mach64
†
video controller is
continued
45
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RC440BX Motherboard Product Guide
Table 8. Peripheral Configuration Submenu
Feature Options Description
Mode
Base I/O
address
Interrupt
Audio Device
Legacy USB
Support
x
Output Only
x
Bi-directional (default)
x
EPP
ECP
x
x
xx378 (default)
x
278
x
228
x
IRQ 5 (default)
x
IRQ 7
x
Disabled
xxEnabled (default)
Disabled
Enabled
Auto (default)
IDE Configuration
(continued)
Selects the mode for the parallel port.
Output Only
Bi-directional
mode.
EPP
directional mode.
ECP
bi-directional mode.
Specifies the base I/O address for the parallel port, if the
parallel port is Enabled.
Specifies the interrupt for the parallel port, if the parallel
port is Enabled.
Enables or disables the onboard audio subsystem.
Enables or disables USB legacy support.
operates in AT†-compatible mode.
operates in bi-directional PS/2-compatible
is Extended Parallel Port mode, a high-speed bi-
is Enhanced Capabilities Port mode, a high-speed
Table 9. IDE Device Configuration
Feature Options Description
IDE Controller
Hard Disk Pre-Delay
Primary IDE Master No options Reports type of connected IDE device. When selected,
Primary IDE Slave No options Reports type of connected IDE device. When selected,
Secondary IDE Master No options Reports type of connected IDE device. When selected,
Secondary IDE Slave No options Reports type of connected IDE device. When selected,
x
Disabled
x
Primary
x
Secondary
x
Both (default)
xxDisabled (default)
x
3 seconds
x
6 seconds
x
9 seconds
x
12 seconds
x
15 seconds
x
21 seconds
x
30 seconds
Disabled
Primary
Secondary
Both
Selects the hard disk drive pre-delay. Causes the BIOS
to insert a delay before attempting to detect IDE drives
in the system.
displays the Primary IDE Master submenu.
displays the Primary IDE Slave submenu.
displays the Secondary IDE Master submenu.
displays the Secondary IDE Slave submenu.
, disables the integrated IDE Controller.
, enables only the Primary IDE Controller.
, enables only the Secondary IDE Controller.
, enables both IDE Controllers.
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IDE Configuration Submenus
This submenu is for configuring IDE devices, including:
x
Primary IDE master
x
Primary IDE slave
x
Secondary IDE master
x
Secondary IDE slave
Table 10. IDE Configuration Submenus
Feature Options Description
Type
Maximum Capacity No options Reports the maximum capacity for the hard disk if the
LBA Mode Control
Multi-Sector Transfers
Transfer Mode
Ultra DMA Disabled (default)
x
None
x
User
x
Auto (default)
x
CD-ROM
x
ATAPI Removable
x
Other ATAPI
x
IDE Removable
x
Disabled
xxEnabled (default)
x
Disabled
xx2 Sectors (default)
x
4 Sectors
x
8 Sectors
x
16 Sectors
x
Standard
x
Fast PIO 1 (default)
x
Fast PIO 2
x
Fast PIO 3
x
Fast PIO 4
x
FPIO 3 / DMA 1
x
FPIO 4 / DMA 2
Mode 0
Mode 1
Mode 2
Using the Setup Program
Specifies the IDE configuration mode for IDE devices.
User
allows the cylinders, heads, and sectors fields to
be changed.
Auto
automatically fills in the values for the cylinders,
heads, and sectors fields.
type is User or Auto.
Enables or disables the LBA mode control.
Specifies number of sectors per block for transfers
from the hard drive to memory.
Check the hard drive’s specifications for optimum
setting.
Specifies the method for moving data to/from the drive.
Specifies the Ultra DMA mode for the drive.
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RC440BX Motherboard Product Guide
Diskette Configuration Submenu
This submenu is for configuring diskette drives.
Table 11. Diskette Configuration Submenu
Feature Options Description
Diskette Controller
Diskette A:
Diskette Write Protect Disabled (default)
x
Disabled
x
Enabled (default)
x
Disabled
x
360 KB, 5¼
x
1.2 MB, 5¼
x
720 KB, 3½
x
1.44/1.25 MB, 3½
x
2.88 MB, 3½
Enabled
s
s
s
s
Event Logging Submenu
(default)
s
s
Disables or enables the integrated
diskette controller.
Specifies the capacity and physical size
of diskette drive A.
Disables or enables write protect for the
diskette drive(s).
This submenu is for configuring the DMI event logging features.
Table 12. Event Logging Submenu
Feature Options Description
Event log capacity No options Indicates if there is space available in the event log.
Event log validity No options Indicates if the contents of the event log are valid.
View event log No options Enables viewing of event log.
Clear all event logs
Event Logging
ECC Event Logging
Mark events as read No options Marks all events as read.
x
No (default)
x
Yes
x
Disabled
x
Enabled (default)
x
Disabled
x
Enabled (default)
Video Configuration Submenu
This submenu is for configuring video features.
Table 13. Video Configuration Submenu
Feature Options Description
Palette Snooping
AGP Aperture Size 64 MB (default)
xxDisabled (default)
x
Enabled
256 MB
Clears the event log after rebooting.
Enables logging of events.
Enables logging of ECC events.
Controls the ability of a primary PCI graphics
controller to share a common palette with an ISA
add-in video card.
Specifies the aperture size for the AGP video
controller.
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Resource Configuration Submenu
This submenu is for configuring the memory and interrupts.
Table 14. Resource Configuration Submenu
Feature Options Description
Memory Reservation
IRQ Reservation IRQ3 Available (default) | Reserved
x
C800 - CBFF Available (default) | Reserved
x
CC00- CFFF Available (default) | Reserved
x
D000 - D3FF Available (default) | Reserved
x
D400 - D7FF Available (default) | Reserved
x
D800 - DBFF Available (default) | Reserved
x
DC00 - DFFF Available (default) | Reserved
IRQ4 Available (default) | Reserved
IRQ5 Available (default) | Reserved
IRQ7 Available (default) | Reserved
IRQ10 Available (default) | Reserved
IRQ11 Available (default) | Reserved
Using the Setup Program
Reserves specific upper
memory blocks for use by
legacy ISA devices.
Reserves specific IRQs
for use by legacy ISA
devices.
An * (asterisk) displayed
next to an IRQ indicates
an IRQ conflict.
Security Menu
This menu is for setting passwords and security features.
Table 15. Security Menu
Feature Options Description
User Password Is No options Reports if there is a user password set.
Supervisor Password Is No options Reports if there is a supervisor password set.
Set User Password Password can be up to seven
alphanumeric characters.
Set Supervisor Password Password can be up to seven
alphanumeric characters.
Clear User Password No Options Clears the user password.
User Setup Access
Unattended Start Disabled (default)
x
Limited (default)
x
No Access
x
View Only
x
Full
Enabled
Specifies the user password.
Specifies the supervisor password.
Controls the amount of User Setup Access.
No Access
Setup.
Enables the unattended start feature. When
enabled, the computer boots, but the
keyboard is locked. The user must enter a
password to unlock the computer or boot
from a floppy diskette.
prevents the user from accessing
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RC440BX Motherboard Product Guide
Power Menu
This menu is for setting power management features.
Table 16. Power Menu
Feature Options Description
Power Management
Inactivity Timer
Hard Drive
Video Power Down Disabled
x
Disabled
x
Enabled (default)
x
Off
x
1 Minute
x
5 Minutes
x
10 Minutes
x
20 Minutes (default)
x
30 Minutes
x
60 Minutes
x
120 Minutes
x
Disabled
x
Enabled (default)
Standby
Suspend (default)
Sleep
Enables or disables the BIOS power
management feature.
Specifies the amount of time before the
computer enters standby mode.
Enables power management for hard disks
during standby and suspend modes.
Specifies power management for video
during standby and suspend modes.
Boot Menu
This menu is for setting the boot features and the boot sequence.
Table 17. Boot Menu
Feature Options Description
Quiet Boot
Quick Boot
Scan User Flash Area
After Power Failure
x
Disabled
x
Enabled (default)
x
Disabled
x
Enabled (default)
x
Disabled
(default)
x
Enabled
x
Stays Off
x
Last State
(default)
x
Power On
Disabled
Enabled
messages.
Enables the computer to boot without running certain
POST tests.
Enables the BIOS to scan the flash memory for user
binary files that are executed at boot time.
Specifies the mode of operation if an AC/Power loss
occurs.
Power On
Stay Off
pressed.
Last State
power loss occurred.
displays normal POST messages.
displays OEM logo instead of POST
restores power to the computer.
keeps the power off until the power button is
restores the previous power state before
continued
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Using the Setup Program
Table 17. Boot Menu
Feature Options Description
On Modem Ring
On LAN
On PME
First Boot Device
Second Boot Device
Third Boot Device
Fourth Boot Device
(continued)
x
Stay Off (default)
x
Power On
x
Stay Off
x
Power On
(default)
xxStay Off (default)
Power On
x
x
x
Disabled
x
1st IDE-HDD
x
2nd IDE-HDD
x
3rd IDE-HDD
x
4th IDE-HDD
x
Floppy
x
ARMD-FDD
x
ARMD-HDD
x
ATAPI CDROM
x
SCSI
x
NETWORK
Specifies how the computer responds to an incoming
call on an installed modem when the power is off.
Specifies how the computer responds to a
LAN wakeup event when the power is off.
Specifies how the computer responds to a
PME wakeup event when the power is off.
Specifies the boot sequence from the available
devices. To specify boot sequence, select the boot
device with <n> or <p> and press <Enter>.
The operating system assigns a drive letter to each
boot device in the order listed. Changing the order of
the devices changes the drive lettering.
For a typical system including a floppy drive, a hard
disk drive, and a CD ROM drive, the default boot
devices are:
First Boot Device Floppy
Second Boot Device 1st IDE-HDD
Third Boot Device ATAPI CDROM
Fourth Boot Device Disabled
Exit Menu
This menu is for exiting the Setup program, saving changes, and loading and saving defaults.
Table 18. Exit Menu
Feature Description
Exit Saving Changes Exits and saves the changes in CMOS RAM.
Exit Discarding Changes Exits without saving any changes made in Setup.
Load Setup Defaults Loads the factory default values for all the Setup options.
Load Custom Defaults Loads the custom defaults for Setup options.
Save Custom Defaults Saves the current values as custom defaults. Normally, the BIOS reads the
Setup values from flash memory. If this memory is corrupted, the BIOS reads
the custom defaults. If no custom defaults are set, the BIOS reads the factory
defaults.
Discard Changes Discards changes without exiting Setup. The option values present when the
computer was turned on are used.
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RC440BX Motherboard Product Guide
52
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4 Upgrading the BIOS
This chapter describes how to upgrade the BIOS and how to recover the BIOS if an upgrade fails.
Preparing for the Upgrade
Before you upgrade the BIOS, prepare by:
x
Obtaining the BIOS upgrade file
x
Recording the current BIOS settings
x
Creating a bootable diskette
x
Creating the BIOS upgrade diskette
Obtaining the BIOS Upgrade File
You can upgrade to a new version of the BIOS by using the BIOS upgrade file. The BIOS upgrade
file is a compressed self-extracting archive that contains all the files you need to upgrade the
BIOS. The BIOS upgrade file contains:
x
New BIOS files
x
BIOS recovery files
®
x
Flash Memory Update Utility
Intel
You can obtain the BIOS upgrade file through your computer supplier or from the Intel World
Wide Web site:
http://support.intel.com/support/motherboards/desktop/
NOTE
✏
Please review the instructions distributed with the update utility before attempting a BIOS
upgrade.
The Intel Flash Memory Update Utility allows you to:
x
Upgrade the BIOS in flash memory.
x
Update the language section of the BIOS.
Recording the Current BIOS Settings
1. Boot the computer and press <F2> when you see the message:
Press <F2> Key if you want to run SETUP
NOTE
Do not skip step 2. You will need these settings to configure your computer at the end of the
upgrade procedure.
2. Write down the current settings in the BIOS Setup program.
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RC440BX Motherboard Product Guide
Creating a Bootable Diskette
NOTE
✏
If your drive A is an LS-120 diskette drive, you must use a 1.44-MB diskette as the bootable BIOS
upgrade diskette. The computer is unable to recover a BIOS from an LS-120 diskette.
Create a Bootable Diskette (using a DOS system to create the bootable diskette)
x
Place an unformatted diskette in the diskette drive and format the diskette using the /S option.
Example:
x
Alternatively, place a formatted diskette in the diskette drive and use the "sys" command.
Example:
Create a Bootable Diskette (using a non-DOS system to create the bootable diskette)
x
Double click on the file ‘MK_BOOTZ.EXE’ (which is located inside the self-extracting BIOS
file). This will create a 'README.TXT' file.
Follow the directions in the 'README.TXT' file.
format a: /s
sys a:
Creating the BIOS Upgrade Diskette
Obtain the BIOS upgrade file as described in “Obtaining the BIOS Upgrade File” and then:
1. Copy the BIOS upgrade file to a temporary directory on your hard disk.
2. From the C:\ prompt, change to the temporary directory.
3. To extract the file, type the name of the BIOS upgrade file, for example:
RCBIOS01.exe
4. Press
5. Read the
6. Insert the bootable diskette into drive A.
7. To extract the
8. Press
9. The diskette now holds the new BIOS files, the Intel Flash Update Utility, and the recovery
<Enter>
LICENSE.TXT
BIOINSTR.TXT
BIOS.EXE
MK_BOOTZ.EXE
LICENSE.TXT
BIOINSTR.TXT
BIOS.EXE
file and type:
BIOS A:
<Enter>
files.
. The extracted file contains the following files:
file, which contains the software license agreement, and the
file, which contains the instructions for the BIOS upgrade.
BIOS.EXE
file to the diskette, change to the temporary directory that holds the
.
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Upgrading the BIOS
Upgrading the BIOS
1. Boot the computer with the BIOS upgrade diskette in drive A. Press <Enter> to go to the
Main Menu. The flash memory update utility screen appears.
2. Select
3. Select
4. Use the arrow keys to select the correct
5. When the utility asks for confirmation that you want to flash the new BIOS into memory,
6. When the utility displays the message
7. As the computer boots, check the BIOS identifier (version number) to make sure the upgrade
8. To enter the BIOS Setup program, press
9. For proper operation, load the BIOS Setup program defaults. To load the defaults, press <F9>.
10. To accept the defaults, press
11. In Setup, set the options to the settings you wrote down before beginning the BIOS upgrade.
12. To save the settings, press
13. To accept the settings, press
14. Turn off the computer and reboot.
Update flash memory area from a file. Press <Enter>.
Update System BIOS. Press <Enter>.
file. Press <Enter>.
.bio
Continue with programming. Press <Enter>.
select
Reboot Warning, remove the diskette. Press
<Enter>.
was successful. If a logo appears, press
Press <F1> to Run SETUP
<Enter>
<F10>.
<Enter>.
<Esc> to view POST messages.
<F1> when you see the message:
.
Recovering the BIOS
It is unlikely that anything will interrupt the BIOS upgrade; however, if an interruption occurs, the
BIOS could be damaged. The following steps explain how to recover the BIOS if an upgrade fails.
The following procedure uses recovery mode for the Setup program. See Chapter 3 for more
information on Setup modes.
NOTE
Because of the small amount of code available in the non-erasable boot block area, there is no
video support. You will not see anything on the screen during this procedure. Monitor the
procedure by listening to the speaker and looking at the diskette drive LED.
1. Turn off the computer, disconnect the computer’s power cord, and disconnect all external
peripherals.
2. Remove the computer cover and locate the configuration jumper block (J10B2) (see Figure 7).
3. Remove the jumper from all pins as shown below to set recovery mode for Setup.
31
J10B2
4. Insert the bootable BIOS upgrade diskette into diskette drive A.
5. Replace the computer cover, connect the power cord, turn on the computer, and allow it to
boot. The recovery process will take a few minutes.
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RC440BX Motherboard Product Guide
6. Listen to the speaker.
x
Two beeps and the end of activity in drive A indicate successful BIOS recovery.
x
A series of continuous beeps indicates failed BIOS recovery.
7. If recovery fails, return to step 1 and repeat the recovery process.
8. If recovery is successful, turn off the computer and disconnect its power cord.
9. Remove the computer cover and continue with the following steps.
10. On the jumper block (J10B2), move the jumper back to pins 1-2 as shown below to set normal
mode for Setup.
31
J10B2
11. Leave the upgrade diskette in drive A, replace the computer cover, and connect the computer’s
power cord.
12. Turn on the computer and continue with the BIOS upgrade (see page 55).
Changing the BIOS Language
You can use the BIOS upgrade utility to change the language the BIOS uses for messages and the
Setup program. Use a bootable diskette containing the Intel Flash Memory Update Utility and
language files (see “Upgrading the BIOS” on page 55).
1. Boot the computer with the bootable diskette in drive A. The BIOS upgrade utility screen
appears.
2. Select
3. Select
Update Flash Memory From a File
Update Language Set
. Press
4. Select drive A and use the arrow keys to select the correct
.
<Enter>
.
file. Press
.lng
<Enter>
.
5. When the utility asks for confirmation that you want to flash the new language into memory,
select
Continue with Programming
6. When the utility displays the message
<Enter>
.
. Press
<Enter>
upgrade is complete
.
, remove the diskette. Press
7. The computer will reboot and the changes will take effect.
56
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5 Technical Reference
Motherboard Connectors
Figure 15 shows the location of some of the motherboard connectors.
ACDB F GE
4
1
1
4
1
4
4
1
1
1
1
14
1
2
1
1
2
8
9
2
6
1
5
RS
2
1
2
1
1
Q
O
P
26
13
1
11
2
40
40
34
33
8
9
1
39
1
1
1
39
1
KM
N
H
J
IL
OM07389
A Digital audio connector (optional) K Wake on Ring connector
B Video in connector (optional) L Fan 1 connector
C Auxiliary line in connector M SCSI LED connector
D Telephony connector N Wake on LAN technology connector
E CD-ROM connector O Diskette drive connector
F Fan 3 (processor) connector P Fan 2 (system) connector
G Chassis intrusion connector Q IDE connectors
H Power supply connector R PC/PCI connector
I VIP video connector S Serial port B connector
J USB front panel connector (optional)
10
20
Figure 18. Motherboard Connectors
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RC440BX Motherboard Product Guide
Table 19. Digital Audio Connector (Optional)
Pin Signal Name
1 Vcc
2 SPDIF_OUT
3 Ground
Table 20. Optional Video In Connector (blue)
Pin Signal Name
1 Video_IN-Left
2 Ground
3 Ground
4 Video_IN-Right
Table 21. Auxiliary Line In Connector (white)
Pin Signal Name
1 Left Line In
2 Ground
3 Ground
4 Right Line In (monaural)
Table 22. Telephony Connector (green)
Pin Signal Name
1 Audio In (monaural)
2 Ground
3 Ground
4 Mic preamp Out (to modem)
Table 23. CD-ROM Audio Connector (black)
Pin Signal Name
1 CD_IN-Left
2 Ground
3 Ground
4 CD_IN-Right
Table 24. Processor Active Fan Connector
Pin Signal Name
1 Ground
2 FAN_CTRL (+12 V)
3 Ground
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Technical Reference
Table 25. Chassis Intrusion Connector
Pin Signal Name
1 Ground
2 CHS_SEC
Table 26. Power Supply Connector
Pin Signal Name Pin Signal Name
1 +3.3 V 11 +3.3 V
2 +3.3 V 12 -12 V
3 Ground 13 Ground
4 +5 V 14 PS-ON# (power supply remote on/off
control)
5 Ground 15 Ground
6 +5 V 16 Ground
7 Ground 17 Ground
8 PWRGD (Power Good) 18 -5 V
9 +5 VSB 19 +5 V
10 +12 V 20 +5 V
Table 27. VIP Video Connector
Pin VESA Signal VIP Signal Pin VESA Signal VIP Signal
1 Ground Ground 2 P0 VID[0]
3 Ground Ground 4 P1 VID[1]
5 Ground Ground 6 P2 VID[2]
7 EVIDEO HAD[1] 8 P3 VID[3]
9 ESYNC HAD[0] 10 P4 VID[4]
11 EDCLK # HCTL 12 P5 VID[5]
13 Not connected SCL 14 P6 VID[6]
15 Ground Ground 16 P7 VID[7]
17 Ground Ground 18 DCLK PIXCLK
19 Ground Ground 20 BLANK # VIPCLK
21 Ground Ground 22 HSYNC Not connected
23 Not connected VIRQ # 24 VSYNC Not connected
25 Not connected SDA 26 Ground Ground
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RC440BX Motherboard Product Guide
Table 28. USB Front Panel Connector (Optional)
Pin Signal Pin Signal
1 TP_FPUSB_1 6 FNT_USBP0
2 Vcc (+5VDC) 7 Ground
3 Ground 8 FNT_USBP0#
4 TP_FPUSB_4 9 Ground
5 TP_FPUSB_5
Table 29. Wake on Ring Connector
Pin Signal Name
1 Ground
2 RINGA#
Table 30. Fan 1 Connector
Pin Signal Name
1 Ground
2 FAN_CTRL (+12 V)
3 FAN_SEN*
* If the optional hardware monitor is not available, pin 3 is ground.
Table 31. SCSI LED Connector (Optional)
Pin Signal Name
1 DRV_ACT#
2 No connect
Table 32. Wake on LAN Technology
Connector
Pin Signal Name
1 +5 VSB
2 Ground
3 WOL
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Technical Reference
Table 33. Diskette Drive Connector
Pin Signal Pin Signal
1 Ground 2 DENSEL
3 Ground 4 Reserved
5 Key 6 FDEDIN
7 Ground 8 FDINDX# (Index)
9 Ground 10 FDM00# (Motor Enable A)
11 Ground 12 No connect
13 Ground 14 FDDS0# (Drive Select A)
15 Ground 16 No connect
17 No connect 18 FDDIR# (Stepper Motor Direction)
19 Ground 20 FDSTEP# (Step Pulse)
21 Ground 22 FDWD# (Write Data)
23 Ground 24 FDWE# (Write Enable)
25 Ground 26 FDTRK0# (Track 0)
27 No connect 28 FDWPD# (Write Protect)
29 Ground 30 FDRDATA# (Read Data)
31 Ground 32 FDHEAD# (Side 1 Select)
33 Ground 34 DSKCHG# (Diskette Change)
Table 34. Fan 2 Connector
Pin Signal Name
1 Ground
2 FAN_CTRL (+12 V)
3 FAN_SEN*
* If the optional hardware monitor is not available, pin 3 is ground.
Table 35. PCI IDE Connectors
Pin Signal Pin Signal
1 Reset IDE 2 Ground
3 Data 7 4 Data 8
5 Data 6 6 Data 9
7 Data 5 8 Data 10
9 Data 4 10 Data 11
11 Data 3 12 Data 12
13 Data 2 14 Data 13
15 Data 1 16 Data 14
17 Data 0 18 Data 15
19 Ground 20 Key
21 DDRQ0 [DDRQ1] 22 Ground
continued
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RC440BX Motherboard Product Guide
Table 35. PCI IDE Connectors
Pin Signal Pin Signal
23 I/O Write# 24 Ground
25 I/O Read# 26 Ground
27 IOCHRDY 28 P_ALE (Cable Select pull-up)
29 DDACK0# [DDACK1#] 30 Ground
31 IRQ 14 [IRQ 15] 32 Reserved
33 DAG1 (Address 1) 34 Reserved
35 DAG0 (Address 0) 36 DAG2Address 2
37 Chip Select 1P# [Chip Select 1S#] 38 Chip Select 3P# [Chip Select 3S#]
39 Activity# 40 Ground
NOTE: Signal names in brackets ([ ]) are for the secondary IDE connector.
(continued)
Table 36. PC/PCI Connector (Optional)
Pin Signal Name Pin Signal Name
1 P_PCIGNTA# 2 Ground
3 No connect 4 P_PCIREQA#
5 Ground 6 SER_IRQ
Table 37. Serial Port B Connector
Pin Signal Pin Signal
1 DCD—Data Carrier Detect 2 DSR—Data Set Ready
3 SIN #—Serial Data In 4 RTS—Request to Send
5 SOUT #—Serial Data Out 6 CTS—Clear to Send
7 DTR—Data Terminal Ready 8 RI—Ring Indicator
9 Ground
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Technical Reference
Front Panel Connectors
The motherboard has connectors for controls and indicators typically located on the front panel of
the computer.
218
J10H1
171
OM07390
2
1
AB
D E
C G
18
17
F
Figure 19. Front Panel Connectors
Table 38. Front Panel I/O Connector
Pin Signal In/Out Description Pin Signal In/Out Description
1 HD_PWR Out Hard disk LED pull-
up (330 :) to +5 V
3 HAD# Out Hard disk active LED 4 HDR_BLNK_
5 GND Ground 6 FPBUT_IN In Front panel On/Off
7 FP_RESET# In Front panel Reset
button
9 +5 V Out IR Power 10 FPSLP# In Front panel Sleep
11 IRRX In IrDA serial input 12 GND Ground
13 GND Ground 14 (pin removed) Not connected
15 IRTX Out IrDA serial output 16 +5 V Out Power
17 N/C Not connected 18 N/C Not connected
2 HDR_BLNK_
GRN
Out Front panel green
LED
Out Front panel yellow
YEL
LED
button
8 GND Ground
button
Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is being read from
or written to a hard drive. For the LED to function properly, an IDE drive must be connected to
the onboard hard drive controller.
Pins 2 and 4 can be connected either a single or dual colored LED that will light when the
computer is powered on. Table 39 and Table 40 show the possible states for these LEDs.
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Table 39. Power LED (Single-colored)
LED State Description
Off Off
Steady Green Running
Blinking Green Running or message waiting (Note)
Note: To utilize the message waiting function, an OnNow / Instantly
Available aware message capturing software application must be invoked.
Table 40. Power LED (Dual-colored)
LED State Description
Off Off
Steady Green Running
Blinking Green Running or message waiting (Note)
Steady Yellow Sleeping
Blinking Yellow Sleeping or message waiting (Note)
Note: To utilize the message waiting function, an OnNow / Instantly
Available aware message capturing software application must be invoked.
Pins 6 and 8 can be connected to a front panel power switch. The switch must pull the SW_ON#
pin to ground for at least 50 ms to signal the power supply to switch on or off. (The time
requirement is due to internal debounce circuitry on the motherboard.) At least two seconds must
pass before the power supply will recognize another on/off signal.
Pins 5 and 7 can be connected to a momentary SPST type switch that is normally open. When the
switch is closed, the motherboard resets and runs the POST.
Pins 10 and 12 can be connected to a momentary SPST type switch that is normally open. When
the switch is pressed and the power is on, the motherboard will toggle in or out of the sleep state.
Pins 11, and 13 - 16 can be connected to an IrDA module. After the IrDA interface is configured,
files can be transferred to or from portable devices such as laptops, PDAs, and printers using
application software.
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Technical Reference
Jumper Blocks
The motherboard has two jumper blocks. Figure 20 shows the location of the motherboard’s
jumper blocks.
CAUTION
Do not move the jumper with the power on. Always turn off the power and unplug the power cord
from the computer before changing the jumper.
46
1
1
3
B
A USB Port 0 configuration jumper block
B BIOS setup configuration jumper block
Figure 20. Location of the Jumper Blocks
A
OM08414A
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USB Port 0 Configuration Jumper Block
This 6-pin jumper block enables configuration of USB Port 0. Table 41 describes the jumper
settings for configuring USB Port 0.
Table 41. USB Port 0 Configuration Jumper Settings
Jumper Configuration
2-3 and 5-6 USB Port 0 signals are routed to the back panel.
1-2 and 4-5 USB Port 0 signals are routed for a front panel USB connector.
None USB Port 0 is disconnected from either location.
BIOS Setup Configuration Jumper Block
This 3-pin jumper block enables all motherboard configuration to be done in BIOS Setup.
Table 42 describes the jumper settings for normal, configure, and recovery modes.
Table 42. BIOS Setup Configuration Jumper Settings
Function Jumper Configuration
Normal 1-2 The BIOS uses current configuration information and passwords for booting.
Configure 2-3 After the POST runs, Setup runs automatically. The maintenance menu is
displayed.
Recovery none The BIOS attempts to recover the BIOS configuration. A recovery diskette is
required.
Motherboard Resources
Memory Map
Table 43. Memory Map
Address Range (decimal) Address Range (hex) Size Description
1024 K - 262144 K 100000 - 10000000 255 MB Extended Memory
960 K - 1024 K F0000 - FFFFF 64 KB Runtime BIOS
896 K - 960 K E0000 - EFFFF 64 KB Reserved
800 K - 896 K C8000 - DFFFF 96 KB Available high DOS memory (open to ISA and
PCI bus)
640 K - 800 K A0000 - C7FFF 160 KB Video memory and BIOS
639 K - 640 K 9FC00 - 9FFFF 1 KB Extended BIOS data (movable by memory
manager software)
512 K - 639 K 80000 - 9FBFF 127 KB Extended conventional memory
0 K - 512 K 00000 - 7FFFF 512 K Conventional memory
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DMA Channels
Table 44. DMA Channels
DMA Channel Number Data Width System Resource
0 8- or 16-bits Audio
1 8- or 16-bits Audio/parallel port
2 8- or 16-bits Diskette drive
3 8- or 16-bits Parallel port (for ECP)/audio
4 Reserved - cascade channel
5 16-bits Open
6 16-bits Open
7 16-bits Open
I/O Map
Table 45. I/O Map
Technical Reference
Address (hex) Size Description
0000 - 000F 16 bytes PIIX4E - DMA 1
0020 - 0021 2 bytes PIIX4E - interrupt controller 1
0040 - 0043 4 bytes PIIX4E - counter/timer 1
0048 - 004B 4 bytes PIIX4E - counter/timer 2
0060 1 byte Keyboard controller byte - reset IRQ
0061 1 byte PIIX4E - NMI, speaker control
0064 1 byte Keyboard controller, CMD/STAT byte
0070, bit 7 1 bit PIIX4E - enable NMI
0070, bits 6:0 7 bits PIIX4E - real time clock, address
0071 1 byte PIIX4E - real time clock, data
0070 -0071 2 bytes CMOS Bank 0
0072 - 0073 2 bytes CMOS Bank 1
0080 - 008F 16 bytes PIIX4E - DMA page registers
00A0 - 00A1 2 bytes PIIX4E - interrupt controller 2
00B2 - 00B3 2 bytes APM control
00C0 - 00DE 31 bytes PIIX4E - DMA 2
00F0 1 byte Reset numeric error
0170 - 0177 8 bytes Secondary IDE channel
01F0 - 01F7 8 bytes Primary IDE channel
0200 - 0207 8 bytes Audio / game port
0220 - 022F 16 bytes Audio (Sound Blaster Pro† compatible)
0240 - 024F 16 bytes Audio (Sound Blaster Pro compatible)
0228 - 022F 8 bytes LPT3
0240 - 024F 16 bytes Audio (Sound Blaster compatible)
continued
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Table 45. I/O Map
(continued)
Address (hex) Size Description
0278 - 027F 8 bytes LPT2
0228 - 022F 8 bytes LPT3
02E8 - 02EF 8 bytes COM4/video (8514A)
02F8 - 02FF 8 bytes COM2
0330 - 033F 8 bytes MPU-401 (MIDI)
0376 1 byte Secondary IDE channel command port
0377 1 byte Floppy channel 2 command
0377, bit 7 1 bit Floppy disk change, channel 2
0377, bits 6:0 7 bits Secondary IDE channel status port
0378 - 037F 8 bytes LPT 1
0388- 038B 6 bytes AdLib† (FM synthesizer)
03B4 - 03B5 2 bytes Video (VGA)
03BA 1 byte Video (VGA)
03C0 - 03CA 2 bytes Video (VGA)
03CC 1 byte Video (VGA)
03CE - 03CF 2 bytes Video (VGA)
03D4 - 03D5 2 bytes Video (VGA)
03DA 1 byte Video (VGA)
03E8 - 03EF 8 bytes COM3
03F0 - 03F5 6 bytes Diskette Channel 1
03F6 1 byte Primary IDE channel command port
03F7 (Write) 1 byte Diskette channel 1 command
03F7, bit 7 1 bit Diskette disk change channel 1
03F7, bits 6:0 7 bits Primary IDE channel status port
03F8 - 03FF 8 bytes COM1
04D0 - 04D1 2 bytes Edge/level triggered PIC
0530 - 0537 8 bytes Windows Sound System
LPTn + 400h 8 bytes ECP port, LPTn base address + 400h
0CF8 - 0CFB* 4 bytes PCI configuration address register
0CF9** 1 byte Turbo and reset control register
0CFC - 0CFF 4 bytes PCI configuration data register
EF00 - EF3F 64 bytes Windows Sound System
FFA0 - FFA7 8 bytes Primary bus master IDE registers
FFA8 - FFAF 8 bytes Secondary bus master IDE registers
* DWORD access only
** Byte access only
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PCI Configuration Space Map
Table 46. PCI Configuration Space Map
Technical Reference
Bus
Number (hex)
00 00 00 Intel 82443BX (PAC)
00 01 00 Intel 82443BX PCI/AGP bridge
00 07 00 Intel 82371EB (PIIX4E) PCI/ISA bridge
00 07 01 Intel 82371EB (PIIX4E ) IDE bus master
00 07 02 Intel 82371EB (PIIX4E) USB
00 07 03 Intel 82371EB (PIIX4E) power management
00 0C 00 PCI audio controller (Sound Blaster AudioPCI 64V)
00 0D 00 PCI expansion slot 1 (J4D1)
00 0E 00 PCI expansion slot 2 (J4C1)
00 0F 00 PCI expansion slot 3 (J4B1)
00 10 00 PCI expansion slot 4 (J4A1)
01 00 00 nVidia RIVA 128ZX Graphics controller
Device
Number (hex)
Function
Number (hex) Description
Interrupts
Table 47. Interrupts
IRQ System Resource
NMI I/O Channel Check
0 Reserved, Interval Timer
1 Reserved, Keyboard Buffer Full
2 Reserved, Cascade Interrupt From Slave PIC
3 COM2*
4 COM1*
5 LPT2 (Plug and Play option) / Audio / User available
6 Diskette Drive
7 LPT1*
8 Real Time Clock
9 Reserved for PIIX4E system management bus
10 User available
11 Windows Sound System* / User available
12 Onboard Mouse Port (if present, else user available)
13 Reserved, Math Coprocessor
14 Primary IDE (if present, else user available)
15 Secondary IDE (if present, else user available)
* Default, but can be changed to another IRQ
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A Error Messages
BIOS Beep Codes
One long beep followed by several short beeps indicates a video problem.
Table 48. Beep Codes
Beeps Port 80h Code Explanation
1-2-2-3 16h BIOS ROM checksum
1-3-1-1 20h Test DRAM refresh
1-3-1-3 22h Test Keyboard Controller
1-3-3-1 28h Autosize DRAM
1-3-3-2 29h Initialize POST Memory Manager
1-3-3-3 2Ah Clear 512 KB base RAM
1-3-4-1 2Ch RAM failure on address line xxxx
1-3-4-3 2Eh RAM failure on data bits xxxx of low byte of memory bus
1-4-1-1 30h RAM failure on data bits xxxx of high byte of memory bus
2-1-2-2 45h POST device initialization
2-1-2-3 46h Check ROM copyright notice
2-2-3-1 58h Test for unexpected interrupts
2-2-4-1 5Ch Test RAM between 512 and 640 KB
1-2 98h Search for option ROMs. One long, two short beeps on checksum failure
BIOS Error Messages
Table 49. BIOS Error Messages
Error Message Explanation
Diskette drive A error Drive A is present but fails the POST diskette tests. Check that the drive is
defined with the proper diskette type in Setup and that the diskette drive is
installed correctly.
Extended RAM Failed at
nnnn
offset:
Failing Bits:
Fixed Disk 0 Failure or
Fixed Disk 1 Failure or
Fixed Disk Controller Failure
nnnn
Extended memory not working or not configured properly at offset
The hexadecimal number
(System, Extended, or Shadow memory) that failed the memory test. Each 1
in the map indicates a failed bit.
Fixed disk is not working or not configured properly. Check to see if fixed
disk is installed properly. Run Setup to be sure the fixed-disk type is correctly
identified.
nnnn
is a map of the bits at the RAM address
nnnn
continued
.
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Table 49. BIOS Error Messages
Error Message Explanation
Incorrect Drive A type - run
SETUP
Invalid NVRAM media type Problem with NVRAM (CMOS) access.
Keyboard controller error The keyboard controller failed test. Try replacing the keyboard.
Keyboard error Keyboard not working.
Keyboard error nn BIOS discovered a stuck key and displayed the scan code nn for the stuck
Keyboard locked - Unlock
key switch
Monitor type does not match
CMOS - Run SETUP
Operating system not found Operating system cannot be located on either drive A or drive C. Enter Setup
Parity Check 1 Parity error found in the system bus. BIOS attempts to locate the address
Parity Check 2 Parity error found in the I/O bus. BIOS attempts to locate the address and
Press <F1> to resume, <F2>
to Setup
Real time clock error Real-time clock fails BIOS test. might require motherboard repair.
Shadow RAM Failed at
nnnn
offset:
System battery is dead -
Replace and run SETUP
System cache error - Cache
disabled
System CMOS checksum
bad - run SETUP
System RAM Failed at offset:
nnnn
System timer error The timer test failed. Requires repair of system motherboard.
Type of diskette drive for drive A not correctly identified in Setup.
key.
Unlock the system to proceed.
Monitor type not correctly identified in Setup.
and see if fixed disk and drive A are properly identified.
and display it on the screen. If it cannot locate the address, it displays ????.
display it on the screen. If it cannot locate the address, it displays ????.
Displayed after any recoverable error message. Press <F1> to start the boot
process or <F2> to enter Setup and change any settings.
Shadow RAM failed at offset
detected.
The CMOS clock battery indicator shows the battery is dead. Replace the
battery and run Setup to reconfigure the system.
RAM cache failed the BIOS test. BIOS disabled the cache.
System CMOS RAM has been corrupted or modified incorrectly, perhaps by
an application program that changes data stored in CMOS. Run Setup and
reconfigure the system either by getting the default values and/or making
your own selections.
System RAM failed at offset
detected.
(continued)
nnnn
of the 64 KB block at which the error was
nnnn
of the 64 KB block at which the error was
nnnn = hexadecimal number
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B Regulatory and Integration Information
This appendix contains:
x
Safety standards, electromagnetic compatibility regulations, and product certification markings
for this motherboard
x
Instructions and precautions for integrators who are installing this motherboard in a chassis
Regulatory Compliance
This motherboard complies with the following safety and EMC regulations when correctly
installed in a compatible host system.
Table 50. Safety Regulations
Regulation Title
UL 1950/CSA950, 3rd edition,
Dated 07-28-95
EN 60950, 2nd Edition, 1992 (with
Amendments 1, 2, 3, and 4)
IEC 950, 2nd edition, 1991 (with
Amendments 1, 2, 3, and 4)
EMKO-TSE (74-SEC) 207/94 Summary of Nordic deviations to EN 60950. (Norway, Sweden,
Bi-National Standard for Safety of Information Technology Equipment
including Electrical Business Equipment. (USA and Canada)
The Standard for Safety of Information Technology Equipment
including Electrical Business Equipment. (European Community)
The Standard for Safety of Information Technology Equipment
including Electrical Business Equipment. (International)
Denmark, and Finland)
Table 51. EMC Regulations
Regulation Title
FCC Class B Title 47 of the Code of Federal Regulations, Parts 2 and 15, Subpart
B, pertaining to unintentional radiators. (USA)
CISPR 22, 2nd Edition, 1993
(Class B)
VCCI Class B (ITE) Implementation Regulations for Voluntary Control of Radio
EN55022 (1994) (Class B) Limits and methods of measurement of Radio Interference
EN50082-1 (1992) Generic Immunity Standard; Currently compliance is determined via
ICES-003 (1997) Interference-Causing Equipment Standard, Digital Apparatus, Class B
Limits and methods of measurement of Radio Interference
Characteristics of Information Technology Equipment. (International)
Interference by Data Processing Equipment and Electronic Office
Machines. (Japan)
Characteristics of Information Technology Equipment. (Europe)
testing to IEC 801-2, -3, and -4. (Europe)
(Including CRC c.1374) (Canada)
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RC440BX Motherboard Product Guide
Product Certification Markings
This printed circuit assembly has the following product certification markings
x
UL Joint Recognition Mark: Consists of a small c, followed by a stylized backward UR, and
followed by a small US. (Component side)
x
Manufacturer’s recognition mark: Consists of a unique UL recognized manufacturer’s logo,
along with a flammability rating (94V-0). (Solder side)
x
UL File Number for motherboards: E139761 (Component side)
x
PB Part Number: Intel bare circuit board part number. 717320-002 (Solder side)
x
Battery “+ Side Up” marking: located on the component side of the board in close proximity
to the battery holder.
x
FCC Logo/Declaration: (Solder side)
x
CE Mark: (Component side). The CE mark should also be on the shipping container.
x
Note: ACA Mark (C-Tick): Consists of a stylized letter c with a tick mark and the number
N-232. This mark is not required on motherboards. Box versions must include this mark on the
container only.
Installation Precautions
When you install and test the motherboard, observe all warnings and cautions in the installation
instructions.
To avoid injury, be careful of:
x
Sharp pins on connectors
x
Sharp pins on printed circuit assemblies
x
Rough edges and sharp corners on the chassis
x
Hot components (like processors, voltage regulators, and heat sinks)
x
Damage to wires that could cause a short circuit
Observe all warnings and cautions that instruct you to refer computer servicing to qualified
technical personnel.
WARNING
Do not open the power supply. Risk of electric shock and burns from high voltage and rapid
overheating. Refer servicing of the power supply to qualified technical personnel.
Installation Instructions
CAUTION
Follow these guidelines to meet safety and regulatory requirements when installing this board
assembly.
Read and adhere to all of these instructions and the instructions supplied with the host computer
and associated modules. If the instructions for the host computer are inconsistent with these
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Regulatory and Integration Information
instructions or the instructions for associated modules, contact the supplier’s technical support to
find out how you can ensure that your computer meets safety and regulatory requirements. If you
do not follow these instructions and the instructions provided by host computer and module
suppliers, you increase safety risk and the possibility of noncompliance with regional laws and
regulations.
Ensure Electromagnetic Compatibility (EMC)
Before computer integration, make sure that the power supply and other modules have passed
EMC testing using a motherboard with a microprocessor from the same family and operating at the
same (or higher) speed as the microprocessor on this motherboard.
In the installation instructions for the host chassis, power supply, and other modules pay close
attention to the following:
x
Certifications
x
External I/O cable shielding and filtering
x
Mounting, grounding, and bonding requirements
x
Keying connectors when mismating of connectors could be hazardous
If the power supply and other modules have not passed applicable EMC testing before integration,
EMC testing must be conducted on a representative sample of the newly completed computer.
Ensure Host Computer and Accessory Module Certifications
Make sure that the host computer, any added subassembly, such as a board or drive assembly, and
internal or external wiring, are certified for the region(s) where the end-product will be used.
Marks on the product are proof of certification. Certification marks are as follows:
In Europe
The CE marking signifies compliance with all relevant European requirements. If the host
computer does not bear the CE marking, obtain a supplier’s Declaration of Conformity to the
appropriate standards required by the European EMC Directive and Low Voltage Directive. Other
directives, such as the Machinery and Telecommunications Directives, might also apply depending
on the type of product. No regulatory assessment is necessary for low voltage DC wiring used
internally or wiring used externally when provided with appropriate overcurrent protection.
Appropriate protection is provided by a maximum 8-Amp current limiting circuit or a maximum
5-Amp fuse or positive temperature coefficient (PTC) resistor. All Intel motherboards now have
PTCs on all external ports that provide DC power externally.
In the United States
A certification mark by a Nationally Recognized Testing Laboratory (NRTL) such as UL, CSA, or
ETL signifies compliance with safety requirements. External wiring must be UL Listed and
suitable for the intended use. Internal wiring must be UL Listed or Recognized and rated for
applicable voltages and temperatures. The FCC mark (Class A for commercial or industrial only
or Class B for residential) signifies compliance with electromagnetic interference requirements.
In Canada
A nationally recognized certification mark such as CSA or cUL signifies compliance with safety
requirements. No regulatory assessment is necessary for low voltage DC wiring used internally or
wiring used externally when provided with appropriate overcurrent protection. Appropriate
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RC440BX Motherboard Product Guide
protection is provided by a maximum 8-Amp current limiting circuit or a maximum 5-Amp fuse or
positive temperature coefficient (PTC) resistor. All Intel motherboards now have PTCs on all
external ports that provide DC power externally.
Prevent Power Supply Overload
Unless the power supply has inherent overcurrent protection, do not overload the power supply
output. To avoid overloading the power supply, make sure that the calculated total current load of
all the modules within the computer is less than the output current rating of the power supply. If
you do not do this, the power supply could overheat, catch fire, or damage the insulation that
separates hazardous AC line circuitry from low-voltage user accessible circuitry. If the load drawn
by a module cannot be determined by the markings and instructions supplied with the module,
contact the module supplier’s technical support.
Place Battery Marking on the Computer
There is insufficient space on this motherboard to provide instructions for replacing and disposing
of the battery. The following warning must be placed permanently and legibly on the host
computer as near as possible to the battery.
WARNING
Danger of explosion if battery is incorrectly replaced.
Replace with only the same or equivalent type recommended by the manufacturer. Dispose of
used batteries according to the manufacturer’s instructions.
Use Only for Intended Applications
This product was evaluated for use in computers that will be installed in offices, homes, schools,
computer rooms, and similar locations. The suitability of this product for other applications, (such
as medical, industrial, alarm systems, and test equipment) might require further evaluation.
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