MB894
Socket 479 Pentium® M
Intel® 855GME Micro ATX Motherboard
USER’S MANUAL
Version 1.0
ii MB894 User’s Manual
Acknowledgments
Award is a registered trademark of Award Software International,
Inc.
PS/2 is a trademark of International Business Machines
Corporation.
Intel and Pentium are registered trademarks of Intel Corporation.
Microsoft Windows is a registered trademark of Microsoft
Corporation.
Winbond is a registered trademark of Winbond Electronics
Corporation.
All other product names or trademarks are properties of their
respective owners.
MB894 User’s Manual iii
Table of Contents
Introduction...................................................... 1
Product Description.......................................................... 1
Checklist ..........................................................................2
MB894 Specifications....................................................... 3
Board Dimensions............................................................. 4
Installations...................................................... 5
Installing the CPU ............................................................ 6
Installing the Memory....................................................... 7
Setting the Jumpers........................................................... 8
Connectors on MB894.................................................... 13
Watchdog Timer Configuration....................................... 25
BIOS Setup...................................................... 29
Drivers Installation..................................... 53
Intel Chipset Software Intallation Utility ......................... 54
VGA Drivers Installation................................................ 55
AC97 Codec Audio Driver Installation............................ 56
Intel PRO LAN Drivers Installation................................ 57
Realtek Network Interface Controller Drivers Installation 58
Appendix........................................................... 59
A. I/O Port Address Map................................................ 59
B. Interrupt Request Lines (IRQ).................................... 60
iv MB894 User’s Manual
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INTRODUCTION
MB894 User’s Manual 1
Introduction
Product Description
The MB894 Pentium® M Micro ATX motherboard incorporates the
Intel® advanced 855GME Chipset that supports processors from
600MHz to 2.0MHz in 479-ball Micro-FCBGA package with a front
size bus of 400MHz.
Graphics display functionality is provided by the integrated-chipset
VGA controller that supports CRT display and LVDS interface with
24-bit panel specifications. Ethernet connectivity comes from the
ICH4-integrated Ethernet 10/100 Ethernet controller and an optional
secondary LAN using a Realtek 8110S-32 Gigabit Ethernet.
Two DDR DIMM sockets supports up to 2GB of memory. Four COM
ports are supported, with the Winbond W83627HF and Finktek F81216
multi I/O chipsets. There are two IDE connectors – IDE1 supporting
UDMA33/66/100 and IDE2 a CF Type II socket for its slave channel.
Other I/O features include watchdog timer, 4-in/4-out digital I/O, and
two USB ports on board and four USB ports using pin headers.
Expansion slots composed of three PCI, one ISA and one mini PCI slot.
The board uses a 20-pin ATX power.
INTRODUCTION
2 MB894 User’s Manual
Checklist
Your MB894 package should include the items listed below.
• The MB894 Pentium M ATX Motherboard
• This User’s Manual
• 1 CD containing chipset drivers and flash memory utility
• I/O Shield Plate
• IB3A Cable Kit with cables including:
• 1 FDD Ribbon Cable
• 1 IDE Ribbon Cable
• 1 COM Port Cable
• 1 COM Port Cable (with two connectors)
• Optional cables such as:
• USB Cable with two connectors (USB2K-4)
INTRODUCTION
MB894 User’s Manual 3
MB894 Specifications
Form Factor Micro ATX
CPU Type Micro-FCPGA Intel Pentium M / Celeron M CPU
CPU Voltage 0.700V ~ 1.708V
System Speed Up to 2GHz
FSB 400 MHz processor operating frequency
Green /APM APM1.2
CPU Socket Socket 479
Chipset
Intel 855GME / 852GM Chipset:
GMCH: 82855GME 732-pin mFCBGA / 82852GM
ICH4: 82801DB 421-pin BGA
BIOS Award BIOS; Support ACPI function
Cache 1MB Level 2 (CPU integrated)
VGA Intel 82855GME / 82852GM built-in Intel extreme
Graphics 2; Intel Dynamic Video Memory up to 64MB
shared with system
LVDS Intel 82855GME built-in, support resolution up to
1600x1200, 24bit dual channel.
Memory type Two DDR DIMM socket, support up to 2GB DDR
200/266/333 SDRAM
1st LAN ICH4 integrated LAN (10/100Mb) + PHY 82562ET
2nd LAN RTL8110s-32 (10/100/1000) Ethernet Controller.
USB 6 ports, USB Version 2.0
LPC I/O Winbond W83627HF: Parallel x1, COM1 (RS-232),
COM2 (RS-232/422/485), FDC 1.44MB (Slim), IrDA,
Hardware monitoring
2nd LPC I/O Fintek F81216: COM3, COM4 support RS-232
PCI to ISA bridge Winbond 83628, 83629
Digital I/O 4in/4out
IrDA Pin header
RTC/CMOS Intel ICH4 built-in RTC with onboard Lithium battery
Local bus IDE ICH4 built-in, IDE1/IDE2, (UDMA 33/66/100)
Type II CF socket 1 port using IDE2 Slave channel (PCB solder side)
Expansion slots PCI slot x3, ISA slot x1, mini PCI slot x1
Audio ICH4 Built-in Sound controller + AC97 Codec ALC 655
5.1 Channel (Line-out, Line-in & Mic.)
D-sub Connectors DB15 x 1 for CRT
RJ45+USB Connector x 2
DB25 x 1 for parallel port
DB9 x 1 for COM1
Mini-DIN x 1 for PS/2 KB/MS
Audio x 1 for Line-Out, MIC, (Line-In via pin header)
Watchdog Timer Yes (256 segments: 0, 1, 2,..., 255 sec/min)
Power Connector ATX (20 pin)
Dimensions 244mm x 244mm
INTRODUCTION
4 MB894 User’s Manual
Board Dimensions
INS
TALLATIONS
MB894 User’s Manual 5
Installations
This section provides information on how to use the jumpers and
connectors on the MB894 in order to set up a workable system. The
topics covered are:
Installing the CPU....................................................................6
Installing the Memory...............................................................7
Setting the Jumpers...................................................................8
Connectors on MB894 ............................................................ 13
Watchdog Timer Configuration ..............................................25
INSTALLATIONS
6 MB894 User’s Manual
Installing the CPU
The MB894 motherboard supports a Socket 479 processor socket for
Intel® Pentium® M or Celeron® M processors.
The processor socket comes with a screw to secure the processor. As
shown in the left picture below, loosen the screw first before inserting
the processor. Place the processor into the socket by making sure the
notch on the corner of the CPU corresponds with the notch on the inside
of the socket. Once the processor has slide into the socket, fasten the
screw. Refer to the figures below.
After you have installed the processor into the socket, check if the
jumpers for the CPU type and speed are correct.
INS
TALLATIONS
MB894 User’s Manual 7
Installing the Memory
The MB894 Motherboard supports two DDR memory sockets for a
maximum total memory of 2GB in DDR memory type. The memory
module capacities supported are 64MB, 128MB, 256MB, 512MB and
1GB. The following table lists the supported DDR DIMM
configurations. Intel 855GME supports configurations defined in the
JEDEC DDR DIMM specification only (A,B,C). Non-JEDEC standard
DIMMs such as double-sided x16 DDR SDRAM DIMMs are not
supported.
Supported DDRM DIMM Configurations.
Density 64 Mbit 128Mbit 256Mbit 512Mbit
Device
Width
X8 X16 X8 X16 X8 X16 X8 X16
Single/
Double
SS/DS SS/DS SS/DS SS/DS SS/DS SS/DS SS/DS SS/DS
184-pin
DDR
64/128MB 32MB/NA 128/256MB 64MB/NA 256/512MB 128MB/NA 512/1024M 256MB/NA
Installing and Removing Memory Modules
To install the DDR modules, locate the memory slot on the embedded
board and perform the following steps:
1. Hold the DDR module so that the key of the DDR module align with
those on the memory slot.
2. Gently push the DDR module in an upright position until the clips of
the slot close to hold the DDR module in place when the DDR module
touches the bottom of the slot.
3. To remove the DDR module, press the clips with both hands.
DDR Module
Lock
Lock
Lock
Lock
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8 MB894 User’s Manual
Setting the Jumpers
Jumpers are used on MB894 to select various settings and features
according to your needs and applications. Contact your supplier if you
have doubts about the best configuration for your needs. The following
lists the connectors on MB894 and their respective functions.
Jumper Locations on MB894 .......................................................9
JP10: Processor Operating Frequency.........................................10
JP2, JP4, JP7: RS232/422/485 (COM2) Selection ......................10
JP8: COM1 RS232 +5V / +12V Power Setting...........................10
JP9: COM2 RS232 +5V / +12V Power Setting...........................11
JP15: COM3 RS232 +5V / +12V Power Setting.........................11
JP17: COM4 RS232 +5V / +12V Power Setting.........................11
JP5: LVDS Panel Power Select ..................................................11
JP11: Clear CMOS Contents......................................................12
JP13: Compact Flash Slave/Master ............................................12
INSTALLATIONS
MB894 User’s Manual 9
Jumper Locations on MB894
Jumpers on MB894...........................................................................Page
JP10: Processor Operating Frequency................................................... 10
JP2, JP4, JP7: RS232/422/485 (COM2) Selection ................................ 10
JP8: COM1 RS232 +5V / +12V Power Setting..................................... 10
JP9: COM2 RS232 +5V / +12V Power Setting..................................... 11
JP15: COM3 RS232 +5V / +12V Power Setting................................... 11
JP17: COM4 RS232 +5V / +12V Power Setting................................... 11
JP5: LVDS Panel Power Select ............................................................ 11
JP11: Clear CMOS Contents................................................................12
JP13: Compact Flash Slave/Master ...................................................... 12
INSTALLATIONS
10 MB894 User’s Manual
JP10: Processor Operating Frequency
JP10 CPU Operating
Frequency
Open
133MHz
Close
100MHz (default)
JP2, JP4, JP7: RS232/422/485 (COM2) Selection
COM1, COM3, and COM4 are fixed for RS-232 use only.
COM2 is selectable for RS232, RS-422 and RS-485.
The following table describes the jumper settings for COM2 selection.
COM2
Function
RS-232 RS-422 RS-485
Jumper
Setting
(pin closed)
JP2:
1-2
JP4:
3-5 & 4-6
JP7:
3-5 & 4-6
JP2:
3-4
JP4:
1-3 & 2-4
JP7:
1-3 & 2-4
JP2:
5-6
JP4:
1-3 & 2-4
JP7:
1-3 & 2-4
JP8: COM1 RS232 +5V / +12V Power Setting
Pin #
Signal Name JP8 Signal Name
Pin #
1 RI +12V 2
3 RI (default) RI (default) 4
5 RI
+5V 6
COM1 Settings: Pin 1-2 short = +12V, Pin 5-6 short = +5V,
Pin 3-4 short = standard COM port
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MB894 User’s Manual 11
JP9: COM2 RS232 +5V / +12V Power Setting
Pin #
Signal Name JP9 Signal Name
Pin #
1 RI +12V 2
3 RI (default) RI (default) 4
5 RI
+5V 6
COM2 Settings: Pin 1-2 short = +12V, Pin 5-6 short = +5V,
Pin 3-4 short = standard COM port
JP15: COM3 RS232 +5V / +12V Power Setting
Pin #
Signal Name JP15 Signal Name
Pin #
1 RI +12V 2
3 RI (default) RI (default) 4
5 RI
+5V 6
COM3 Settings: Pin 1-2 short = +12V, Pin 5-6 short = +5V,
Pin 3-4 short = standard COM port
JP17: COM4 RS232 +5V / +12V Power Setting
Pin #
Signal Name JP17 Signal Name
Pin #
1 RI +12V 2
3 RI (default) RI (default) 4
5 RI
+5V 6
COM4 Settings: Pin 1-2 short = +12V, Pin 5-6 short = +5V,
Pin 3-4 short = standard COM port
JP5: LVDS Panel Power Select
JP1 LVDS Panel Power
3.3V (default)
5V
Note: The LVDS panel resolution can be configured in the BIOS
Setup.
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12 MB894 User’s Manual
JP11: Clear CMOS Contents
Use JP11 to clear the CMOS contents. Note that the ATX-power
connector should be disconnected from the board before clearing
CMOS.
JP11 Setting Function
Pin 1-2
Short/Closed
Normal
Pin 2-3
Short/Closed
Clear CMOS
JP13: Compact Flash Slave/Master
JP13 Compact Flash
Open
Slave
Close
Master
INSTALLATIONS
MB894 User’s Manual 13
Connectors on MB894
The connectors on MB894 allows you to connect external devices such
as keyboard, floppy disk drives, hard disk drives, printers, etc. The
following table lists the connectors on MB894 and their respective
functions.
Connector Locations on MB894................................................ 14
IDE1, IDE2: Primary and Secondary IDE Connectors............... 15
FDD1: Floppy Drive Connector................................................. 15
FAN1: CPU Fan Power Connector ............................................16
FAN2: System Fan Power Connector......................................... 16
FAN3: Chassis Fan Power Connector........................................ 16
J1: ATX Power Supply Connector............................................. 16
CN3, J2, J15, J16: Serial Ports .................................................. 17
J3: Panel Inverter Power Connector........................................... 17
J4, J5: LVDS Connectors (1st channel, 2nd channel) ................ 18
J6: Digital 4-in 4-out I/O Connector.......................................... 18
J8: IrDA Connector................................................................... 18
J9: Line-In Audio Connector..................................................... 18
J11: CD-In Audio Connector..................................................... 20
J13, J14: USB Connectors......................................................... 20
J18: Wake On LAN Connector.................................................. 20
J19: System Function Connector ............................................... 21
J20: Mini PCI Connector...........................................................22
CN1: PS/2 Keyboard and PS/2 Mouse Connectors..................... 22
CN2: USB and LAN RJ45 Connectors ...................................... 23
CN4: Parallel Port Connector.................................................... 23
CN5: VGA CRT Connector.......................................................24
CN6: Gigabit LAN Connector (option)...................................... 24
CN7: Audio Connector.............................................................. 24
CN8: Compact Flash Connector ................................................ 24
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14 MB894 User’s Manual
Connector Locations on MB894
Connectors on MB894...............................................................................................Page
IDE1, IDE2: Primary and Secondary IDE Connectors......................................................................15
FDD1: Floppy Drive Connector.........................................................................................................15
FAN1: CPU Fan Power Connector....................................................................................................16
FAN2: System Fan Power Connector................................................................................................16
FAN3: Chassis Fan Power Connector................................................................................................16
J1: ATX Power Supply Connector.....................................................................................................16
CN3, J2, J15, J16: Serial Ports...........................................................................................................17
J3: Panel Inverter Power Connector...................................................................................................17
J4, J5: LVDS Connectors (1st channel, 2nd channel)........................................................................18
J6: Digital 4-in 4-out I/O Connector..................................................................................................18
J8: IrDA Connector............................................................................................................................18
J9: Line-In Audio Connector..............................................................................................................18
J11: CD-In Audio Connector.............................................................................................................20
J13, J14: USB Connectors..................................................................................................................20
J18: Wake On LAN Connector..........................................................................................................20
J19: System Function Connector........................................................................................................21
J20: Mini PCI Connector ...................................................................................................................22
CN1: PS/2 Keyboard and PS/2 Mouse Connectors...........................................................................22
CN2: USB and LAN RJ45 Connectors..............................................................................................23
CN4: Parallel Port Connector.............................................................................................................23
CN5: VGA CRT Connector...............................................................................................................24
CN6: Gigabit LAN Connector (option) .............................................................................................24
CN7: Audio Connector.......................................................................................................................24
CN8: Compact Flash Connector.........................................................................................................24
INSTALLATIONS
MB894 User’s Manual 15
IDE1, IDE2: Primary and Secondary IDE Connectors
Signal Name Pin # Pin # Signal Name
Reset IDE 1 2 Ground
Host data 7 3 4 Host data 8
Host data 6 5 6 Host data 9
Host data 5 7 8 Host data 10
Host data 4 9 10 Host data 11
Host data 3 11 12 Host data 12
Host data 2 13 14 Host data 13
Host data 1 15 16 Host data 14
Host data 0 17 18 Host data 15
Ground 19 20 Protect pin
DRQ0 21 22 Ground
Host IOW 23 24 Ground
Host IOR 25 26 Ground
IOCHRDY 27 28 Host ALE
DACK0 29 30 Ground
IRQ14 31 32 No connect
Address 1 33 34 No connect
Address 0 35 36 Address 2
Chip select 0 37 38 Chip select 1
Activity 39 40 Ground
FDD1: Floppy Drive Connector
Signal Name Pin # Pin # Signal Name
Ground 1 2 RM/LC
Ground 3 4 No connect
Ground 5 6 No connect
Ground 7 8 Index
Ground 9 10 Motor enable 0
Ground 11 12 Drive select 1
Ground 13 14 Drive select 0
Ground 15 16 Motor enable 1
Ground 17 18 Direction
Ground 19 20 Step
Ground 21 22 Write data
Ground 23 24 Write gate
Ground 25 26 Track 00
Ground 27 28 Write protect
Ground 29 30 Read data
Ground 31 32 Side 1 select
FDD1
Ground 33 34 Diskette change
INSTALLATIONS
16 MB894 User’s Manual
FAN1: CPU Fan Power Connector
FAN1 is a 3-pin header for CPU fan power. The fan must be a 12V
(500mA) fan.
Pin # Signal Name
1 Ground
2 +12V
3 Rotation detection
FAN2: System Fan Power Connector
FAN2 is a 3-pin header for system fan power. The fan must be a 12V
(500mA) fan.
Pin # Signal Name
1 Ground
2 +12V
3 Rotation detection
FAN3: Chassis Fan Power Connector
FAN3 is a 3-pin header for chassis fan power. The fan must be a 12V
(500mA) fan.
Pin # Signal Name
1 Ground
2 +12V
3 Rotation detection
J1: ATX Power Supply Connector
Signal Name Pin # Pin # Signal Name
3.3V 11 1 3.3V
-12V 12 2 3.3V
Ground 13 3 Ground
PS-ON 14 4 +5V
Ground 15 5 Ground
Ground 16 6 +5V
Ground 17 7 Ground
-5V 18 8 Power good
+5V 19 9 5VSB
+5V 20 10 +12V
11 1
20 10
INSTALLATIONS
MB894 User’s Manual 17
CN3, J2, J15, J16: Serial Ports
Pin # Signal Name (RS-232)
1 DCD, Data carrier detect
2 RXD, Receive data
3 TXD, Transmit data
4 DTR, Data terminal ready
5 Ground
6 DSR, Data set ready
7 RTS, Request to send
8 CTS, Clear to send
9 RI, Ring indicator
10 No Connect.
CN3 is the D-sub type COM1 serial port connector, while J2 (COM2),
J15 (COM3) and J16 (COM4) are shrouded pin headers.
COM2 is jumper selectable for RS-232, RS-422 and RS-485.
Pin #
Signal Name
RS-232 R2-422 RS-485
1 DCD TX- DATA2 RX TX+ DATA+
3 TX RX+ NC
4 DTR RX- NC
5 Ground Ground Ground
6 DSR RTS- NC
7 RTS RTS+ NC
8 CTS CTS+ NC
9 RI CTS- NC
10 NC NC NC
J3: Panel Inverter Power Connector
Pin # Signal Name
1 +12V
2 ENABKL
3 Ground
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18 MB894 User’s Manual
J4, J5: LVDS Connectors (1st channel, 2nd channel)
The LVDS connectors are composed of the first channel (J4) and second
channel (J5) to support 24-bit or 48-bit.
Signal Name Pin # Pin #
Signal Name
TX0- 2 1 TX0+
Ground 4 3 Ground
TX1- 6 5 TX1+
5V/3.3V 8 7 Ground
TX3- 10 9 TX3+
TX2- 12 11 TX2+
Ground 14 13 Ground
TXC- 16 15 TXC+
5V/3.3V 18 17 ENABKL
+12V 20 19 +12V
J6: Digital 4-in 4-out I/O Connector
Signal Name Pin Pin Signal Name
Ground 1 2 Vcc
Out3 3 4 Out1
Out2 5 6 Out0
Int3 7 8 Int1
Int2 9 10 Int0
J8: IrDA Connector
Pin # Signal Name
1 +5V
2 No connect
3 Ir RX
4 Ground
5 Ir TX
J9: Line-In Audio Connector
Pin # Signal Name
1 Line_R
2 Ground
3 Ground
4 Line_L
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MB894 User’s Manual 19
INSTALLATIONS
20 MB894 User’s Manual
J11: CD-In Audio Connector
Pin # Signal Name
1 CD Audio L
2 Ground
3 Ground
4 CD Audio R
J13, J14: USB Connectors
The following table shows the pin outs of the USB pin headers
connectors. Overall, the two pin headers support four USB ports (USB
2.0 compliant).
Signal Name Pin Pin Signal Name
Vcc 1 5 Ground
USB0- 2 6 USB1+
USB0+ 3 7 USB1-
J13
Ground 4 8 Vcc
Signal Name Pin Pin Signal Name
Vcc 1 5 Ground
USB2- 2 6 USB3+
USB2+ 3 7 USB3-
J14
Ground 4 8 Vcc
J18: Wake On LAN Connector
J18 is a 3-pin header for the Wake On LAN function on the CPU card.
The following table shows the pin out assignments of this connector.
Wake On LAN will function properly only with an ATX power supply
with 5VSB that has 200mA.
Pin # Signal Name
1 +5VSB
2 Ground
3 -PME
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MB894 User’s Manual 21
J19: System Function Connector
J19 provides connectors for system indicators that provide light
indication of the computer activities and switches to change the
computer status. J5 is a 16-pin header that provides interfaces for the
following functions.
Speaker: Pins 1 - 4
This connector provides an interface to a speaker for audio
tone generation. An 8-ohm speaker is recommended.
Pin # Signal Name
1 Speaker out
2 No connect
3 Ground
4 +5V
Power LED: Pins 9-11
The indicates the status of the main power switch.
Pin # Signal Name
9 Power LED
10 NC
11 Ground
ATX Power ON Switch: Pins 5 and 13
This 2-pin connector is an “ATX Power Supply On/Off
Switch” on the system that connects to the power switch on
the case. When pressed, the power switch will force the
system to power on. When pressed again, it will force the
system to power off.
Pin # Signal Name
5 PS_ON
13 Ground
SMI/Hardware Switch: Pins 6 and 14
This connector supports the "Green Switch" on the control
panel, which, when pressed, will force the system into the
power-saving mode immediately.
Pin # Signal Name
6 SMI
14 Ground
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22 MB894 User’s Manual
Reset Switch: Pins 7 and 15
The reset switch allows the user to reset the system without
turning the main power switch off and then on again.
Pin # Signal Name
7 Reset#
15 Ground
Hard Disk Drive LED Connector: Pins 8 and 16
This connects to the hard drive activity LED on control
panel. This LED will flash when HDD is being accessed.
Pin # Signal Name
8 HDD Active
16 5V
J20: Mini PCI Connector
CN1: PS/2 Keyboard and PS/2 Mouse Connectors
PS/2 Mouse
PS/2 Keyboard
Signal Name Keyboard Mouse Signal Name
Keyboard data 1 1 Mouse data
N.C. 2 2 N.C.
GND 3 3 GND
5V 4 4 5V
Keyboard clock 5 5 Mouse clock
N.C. 6 6 N.C.
INSTALLATIONS
MB894 User’s Manual 23
CN2: USB and LAN RJ45 Connectors
CN2 consists of an RJ-45 connector (top) and two stacked USB ports.
Refer to the section below for their respective pin assignments.
Pin # Signal Name
1 Vcc
2 USB3 USB+
USB0
USB1
4 Ground
CN4: Parallel Port Connector
CN4 is a DB-25 external connector on top of the VGA and serial ports.
Signal Name Pin # Pin # Signal Name
Line printer strobe 1 14 AutoFeed
PD0, parallel data 0 2 15 Error
PD1, parallel data 1 3 16 Initialize
PD2, parallel data 2 4 17 Select
PD3, parallel data 3 5 18 Ground
PD4, parallel data 4 6 19 Ground
PD5, parallel data 5 7 20 Ground
PD6, parallel data 6 8 21 Ground
PD7, parallel data 7 9 22 Ground
ACK, acknowledge 10 23 Ground
Busy 11 24 Ground
Paper empty 12 25 Ground
Select 13 N/A N/A
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24 MB894 User’s Manual
CN5: VGA CRT Connector
CN5 is a DB-15 VGA connector located beside the COM1 port.
Signal Name Pin # Pin # Signal Name
Red 1 2 Green
Blue 3 4 N.C.
GND 5 6 GND
GND 7 8 GND
N.C. 9 10 GND
N.C. 11 12 DDC Data
HSYNC 13 14 VSYNC
DDC Clk 15
CN6: Gigabit LAN Connector (option)
CN7: Audio Connector
CN8: Compact Flash Connector
CN8 uses the IDE2 channel.
INSTALLATIONS
MB894 User’s Manual 25
Watchdog Timer Configuration
The WDT is used to generate a variety of output signals after a user
programmable count. The WDT is suitable for use in the prevention of
system lock-up, such as when software becomes trapped in a deadlock.
Under these sort of circumstances, the timer will count to zero and the
selected outputs will be driven. Under normal circumstance, the user
will restart the WDT at regular intervals before the timer counts to zero.
SAMPLE CODE:
This code and information is provided "as is" without warranty of any
kind, either expressed or implied, including but not limited to the
implied warranties of merchantability and/or fitness for a particular
purpose.
;[]================================================
; Name : Enable_And_Set_Watchdog
; IN : AL - 1sec ~ 255sec
; OUT : None
;[]================================================
Enable_And_Set_Watchdog Proc Near
push ax ;save time interval
call Unlock_Chip
mov cl, 2Bh
call Read_Reg
and al, NOT 10h
call Write_Reg ;set GP24 as WDTO
mov cl, 07h
mov al, 08h
call Write_Reg ;switch to LD8
mov cl, 0F5h
call Read_Reg
and al, NOT 08h
call Write_Reg ;set count mode as second
pop ax
mov cl, 0F6h
call Write_Reg ;set watchdog timer
mov al, 01h
mov cl, 30h
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26 MB894 User’s Manual
call Write_Reg ;watchdog enabled
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MB894 User’s Manual 27
call Lock_Chip
ret
Enable_And_Set_Watchdog Endp
;[]===============================================
; Name : Disable_Watchdog
; IN : None
; OUT : None
;[]===============================================
Disable_Watchdog Proc Near
call Unlock_Chip
mov cl, 07h
mov al, 08h
call Write_Reg ;switch to LD8
xor al, al
mov cl, 0F6h
call Write_Reg ;clear watchdog timer
xor al, al
mov cl, 30h
call Write_Reg ;watchdog disabled
call Lock_Chip
ret
Disable_Watchdog Endp
;[]===============================================
; Name : Unlock_Chip
; IN : None
; OUT : None
;[]===============================================
Unlock_Chip Proc Near
Mov dx, 4Eh
mov al, 87h
out dx, al
out dx, al
ret
Unlock_Chip Endp
;[]================================================
; Name : Lock_Chip
; IN : None
; OUT : None
;[]================================================
Unlock_Chip Proc Near
mov dx, 4Eh
mov al, 0Aah
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28 MB894 User’s Manual
out dx, al
ret
Unlock_Chip Endp
;[]================================================
; Name : Write_Reg
; IN : CL - register index
; AL - Value to write
; OUT : None
;[]================================================
Write_Reg Proc Near
push ax
mov dx, 4Eh
mov al,cl
out dx,al
pop ax
inc dx
out dx,al
ret
Write_Reg Endp
;[]================================================
; Name : Read_Reg
; IN : CL - register index
; OUT : AL - Value to read
;[]===================================================
Read_Reg Proc Near
Mov al, cl
mov dx, 4Eh
out dx, al
inc dx
in al, dx
ret
Read_Reg Endp
;[]================================================
BIOS SETUP
MB894 User’s Manual 29
BIOS Setup
This chapter describes the different settings available in the Award
BIOS that comes with the board. The topics covered in this chapter are
as follows:
BIOS Introduction..................................................................... 30
BIOS Setup............................................................................... 30
Standard CMOS Setup.............................................................. 32
Advanced BIOS Features........................................................... 35
Advanced Chipset Features ....................................................... 38
Integrated Peripherals ............................................................... 41
Power Management Setup......................................................... 45
PNP/PCI Configurations ........................................................... 48
PC Health Status....................................................................... 49
Frequency/Voltage Control........................................................ 50
Load Fail-Safe Defaults.............................................................51
Load Optimized Defaults........................................................... 51
Set Supervisor/User Password ................................................... 51
Save & Exit Setup..................................................................... 51
Exit Without Saving.................................................................. 51
BIOS SETUP
30 MB894 User’s Manual
BIOS Introduction
The Award BIOS (Basic Input/Output System) installed in your
computer system’s ROM supports Intel Pentium 4 processors. The BIOS
provides critical low-level support for a standard device such as disk
drives, serial ports and parallel ports. It also adds virus and password
protection as well as special support for detailed fine-tuning of the
chipset controlling the entire system.
BIOS Setup
The Award BIOS provides a Setup utility program for specifying the
system configurations and settings. The BIOS ROM of the system stores
the Setup utility. When you turn on the computer, the Award BIOS is
immediately activated. Pressing the <Del> key immediately allows you
to enter the Setup utility. If you are a little bit late pressing the <Del>
key, POST (Power On Self Test) will continue with its test routines, thus
preventing you from invoking the Setup. If you still wish to enter Setup,
restart the system by pressing the ”Reset” button or simultaneously
pressing the <Ctrl>, <Alt> and <Delete> keys. You can also restart by
turning the system Off and back On again. The following message will
appear on the screen:
Press <DEL> to Enter Setup
In general, you press the arrow keys to highlight items, <Enter> to
select, the <PgUp> and <PgDn> keys to change entries, <F1> for help
and <Esc> to quit.
When you enter the Setup utility, the Main Menu screen will appear on
the screen. The Main Menu allows you to select from various setup
functions and exit choices.
BIOS SETUP
MB894 User’s Manual 31
Phoenix - AwardBIOS CMOS Setup Utility
Standard CMOS Features Frequency/Voltage Control
Advanced BIOS Features Load Fail-Safe Defaults
Advanced Chipset Features Load Optimized Defaults
Integrated Peripherals Set Supervisor Password
Power Management Setup Set User Password
PnP/PCI Configurations Save & Exit Setup
PC Health Status Exit Without Saving
ESC : Quit
á â à ß
: Select Item
F10 : Save & Exit Setup
Time, Date, Hard Disk Type…
The section below the setup items of the Main Menu displays the control
keys for this menu. At the bottom of the Main Menu just below the
control keys section, there is another section, which displays
information on the currently highlighted item in the list.
Note: If the system cannot boot after making and saving system
changes with Setup
, the Award BIOS supports an override to
the CMOS settings that resets your system to its default.
Warning: It is strongly recommended that you avoid making any
changes to the chipset defaults. These defaults have been
carefully chosen by both Award and your system
manufacturer to provide the absolute maximum performance
and reliability. Changing the defaults could cause the system
to become unstable and crash in some cases.
BIOS SETUP
32 MB894 User’s Manual
Standard CMOS Setup
“Standard CMOS Setup” choice allows you to record some basic
hardware configurations in your computer system and set the system
clock and error handling. If the motherboard is already installed in a
working system, you will not need to select this option. You will need to
run the Standard CMOS option, however, if you change your system
hardware configurations, the onboard battery fails, or the configuration
stored in the CMOS memory was lost or damaged.
Phoenix - AwardBIOS CMOS Setup Utility
Standard CMOS Features
Date (mm:dd:yy) Wed, Apr 28, 2004 Item Help
Time (hh:mm:ss) 00 : 00 : 00 Menu Level >
IDE Primary Master None
IDE Primary Slave None
IDE Secondary Master None
IDE Secondary Slave None
Drive A 1.44M, 3.5 in.
Drive B None
Video EGA/VGA
Halt On All, But Keyboard
Base Memory 640K
Extended Memory 129024K
Total Memory 130048K
Change the day, month,
Year and century
At the bottom of the menu are the control keys for use on this menu. If
you need any help in each item field, you can press the <F1> key. It will
display the relevant information to help you. The memory display at the
lower right-hand side of the menu is read-only. It will adjust
automatically according to the memory changed. The following
describes each item of this menu.
Date
The date format is:
Day : Sun to Sat
Month : 1 to 12
Date : 1 to 31
Year : 1999 to 2099
To set the date, highlight the “Date” field and use the PageUp/
PageDown or +/- keys to set the current time.
BIOS SETUP
MB894 User’s Manual 33
Time
The time format is: Hour : 00 to 23
Minute : 00 to 59
Second : 00 to 59
To set the time, highlight the “Time” field and use the <PgUp>/
<PgDn> or +/- keys to set the current time.
IDE Primary HDDs / IDE Secondary HDDs
The onboard PCI IDE connectors provide Primary and Secondary
channels for connecting up to four IDE hard disks or other IDE devices.
Each channel can support up to two hard disks; the first is the “Master”
and the second is the “Slave”.
Press <Enter> to configure the hard disk. The selections include Auto,
Manual, and None. Select ‘Manual’ to define the drive information
manually. You will be asked to enter the following items.
CYLS : Number of cylinders
HEAD : Number of read/write heads
PRECOMP : Write precompensation
LANDING ZONE : Landing zone
SECTOR : Number of sectors
The Access Mode selections are as follows:
CHS (HD < 528MB)
LBA (HD > 528MB and supports Logical Block Addressing)
Large (for MS-DOS only)
Auto
Remarks: The board supports two serial ATA ports that are represented
in this setting as IDE Channel 2 / 3 Master.
Drive A / Drive B
These fields identify the types of floppy disk drive A or drive B that has
been installed in the computer. The available specifications are:
360KB
5.25 in.
1.2MB
5.25 in.
720KB
3.5 in.
1.44MB
3.5 in.
2.88MB
3.5 in.
BIOS SETUP
34 MB894 User’s Manual
Video
This field selects the type of video display card installed in your system.
You can choose the following video display cards:
EGA/VGA For EGA, VGA, SEGA, SVGA
or PGA monitor adapters. (default)
CGA 40 Power up in 40 column mode.
CGA 80 Power up in 80 column mode.
MONO For Hercules or MDA adapters.
Halt On
This field determines whether or not the system will halt if an error is
detected during power up.
No errors
The system boot will not be halted for any error
that may be detected.
All errors Whenever the BIOS detects a non-
fatal error,
the system will stop and you will be prompted.
All, But Keyboard
The system boot will not be halted for a
keyboard error; it will stop for all other errors
All, But Diskette The system
boot will not be halted for a disk
error; it will stop for all other errors.
All, But Disk/Key The system boot will not be halted for a key-
board or disk error; it will stop for all others.
BIOS SETUP
MB894 User’s Manual 35
Advanced BIOS Features
This section allows you to configure and improve your system and
allows you to set up some system features according to your preference.
Phoenix - AwardBIOS CMOS Setup Utility
Advanced BIOS Features
CPU Feature Press Enter ITEM HELP
Virus Warning Disabled
CPU L1 and L2 Cache Enabled
Quick Power On Self Test Enabled
First Boot Device Floppy
Second Boot Device HDD-0
Third Boot Device CDROM
Boot Other Device Enabled
Swap Floppy Drive Disabled
Boot Up Floppy Seek Disabled
Boot Up NumLock Status On
Gate A20 Option Fast
Typematic Rate Setting Disabled
Typematic Rate (Chars/Sec) 6
Typematic Delay (Msec) 250
Security Option Setup
APIC Mode Enabled
MPS Version Control for OS 1.4
OS Select For DRAM>64MB Non-OS2
Report No FDD For WIN 95 Yes
Small Logo (EPA) Show Enabled
Menu Level >
CPU Feature
Press Enter to configure the settings relevant to CPU Feature.
Virus Warning
If this option is enabled, an alarm message will be displayed when trying
to write on the boot sector or on the partition table on the disk, which is
typical of the virus.
CPU L1 and L2 Cache
Cache memory is additional memory that is much faster than
conventional DRAM (system memory). CPUs from 486-type on up
contain internal cache memory, and most, but not all, modern PCs have
additional (external) cache memory. When the CPU requests data, the
system transfers the requested data from the main DRAM into cache
memory, for even faster access by the CPU. These items allow you to
enable (speed up memory access) or disable the cache function. By
default, these items are Enabled.
Quick Power On Self Test
When enabled, this field speeds up the Power On Self Test (POST) after
the system is turned on. If it is set to Enabled, BIOS will skip some items.
BIOS SETUP
36 MB894 User’s Manual
First/Second/Third Boot Device
These fields determine the drive that the system searches first for an
operating system. The options available include Floppy, LS120, HDD-0,
SCSI, CDROM, HDD-1, HDD-2, HDD-3, ZIP100, USB-FDD,
USB-ZIP, USB-CDROM, USB-HDD and Disable.
Boot Other Device
These fields allow the system to search for an OS from other devices
other than the ones selected in the First/Second/Third Boot Device.
Swap Floppy Drive
This item allows you to determine whether or not to enable Swap Floppy
Drive. When enabled, the BIOS swaps floppy drive assignments so that
Drive A becomes Drive B, and Drive B becomes Drive A. By default,
this field is set to Disabled.
Boot Up Floppy Seek
This feature controls whether the BIOS checks for a floppy drive while
booting up. If it cannot detect one (either due to improper configuration
or its absence), it will flash an error message.
Boot Up NumLock Status
This allows you to activate the NumLock function after you power up the
system.
Gate A20 Option
This field allows you to select how Gate A20 is worked. Gate A20 is a
device used to address memory above 1 MB.
Typematic Rate Setting
When disabled, continually holding down a key on your keyboard will
generate only one instance. When enabled, you can set the two typematic
controls listed next. By default, this field is set to Disabled.
Typematic Rate (Chars/Sec)
When the typematic rate is enabled, the system registers repeated
keystrokes speeds. Settings are from 6 to 30 characters per second.
Typematic Delay (Msec)
When the typematic rate is enabled, this item allows you to set the time
interval for displaying the first and second characters. By default, this
item is set to 250msec.
BIOS SETUP
MB894 User’s Manual 37
Security Option
This field allows you to limit access to the System and Setup. The default
value is Setup. When you select System, the system prompts for the User
Password every time you boot up. When you select Setup, the system
always boots up and prompts for the Supervisor Password only when the
Setup utility is called up.
APIC Mode
APIC stands for Advanced Programmable Interrupt Controller. The
default setting is Enabled.
MPS Version Control for OS
This option is specifies the MPS (Multiprocessor Specification) version
for your operating system. MPS version 1.4 added extended
configuration tables to improve support for multiple PCI bus
configurations and improve future expandability. The default setting is
1.4.
OS Select for DRAM > 64MB
This option allows the system to access greater than 64MB of DRAM
memory when used with OS/2 that depends on certain BIOS calls to
access memory. The default setting is Non-OS/2.
Report No FDD For WIN 95
If you are using Windows 95/98 without a floppy disk drive, select
Enabled to release IRQ6. This is required to pass Windows 95/98's SCT
test. You should also disable the Onboard FDC Controller in the
Integrated Peripherals screen when there's no floppy drive in the system.
If you set this feature to Disabled, the BIOS will not report the missing
floppy drive to Win95/98.
Small Logo (EPA) Show
The EPA logo appears at the right side of the monitor screen when the
system is boot up. The default setting is Enabled.
BIOS SETUP
38 MB894 User’s Manual
Advanced Chipset Features
This Setup menu controls the configuration of the chipset.
Phoenix - AwardBIOS CMOS Setup Utility
Advanced Chipset Features
DRAM Timing Selectable By SPD ITEM HELP
CAS Latency Time 2
Active to Precharge Delay 6
DRAM RAS# to CAS# Delay 3
DRAM RAS# Precharge 3
DRAM Data Integrity Mode ECC
MGM Core Frequency Auto Max 266MHz
System BIOS Cacheable Enabled
Video BIOS Cacheable Enabled
Memory Hole at 15M-16M Disabled
Delayed Transaction Enabled
Delay Prior to Thermal 16 Min
AGP Aperture Size (MB) 128
** On-Chip VGA Setting **
On-Chip VGA Enabled
On-Chip Frame Buffer Size 32MB
Boot Display CRT+LFP
Panel Scaling Auto
Panel Number 1024x768 18bit SC
Menu Level >
DRAM Timing Selectable
This option refers to the method by which the DRAM timing is selected.
The default is By SPD.
CAS Latency Time
You can configure CAS latency time in HCLKs as 2 or 2.5 or 3. The
system board designer should set the values in this field, depending on
the DRAM installed. Do not change the values in this field unless you
change specifications of the installed DRAM or the installed CPU.
Active to Precharge Delay
The default setting for the Active to Precharge Delay is 7.
DRAM RAS# to CAS# Delay
This option allows you to insert a delay between the RAS (Row Address
Strobe) and CAS (Column Address Strobe) signals. This delay occurs
when the SDRAM is written to, read from or refreshed. Reducing the
delay improves the performance of the SDRAM.
BIOS SETUP
MB894 User’s Manual 39
DRAM RAS# Precharge
This option sets the number of cycles required for the RAS to accumulate
its charge before the SDRAM refreshes. The default setting for the
Active to Precharge Delay is 3.
DRAM Data Integrity Mode
Select ECC if your memory module supports it. The memory controller
will detect and correct single-bit soft memory errors. The memory
controller will also be able to detect double-bit errors though it will not
be able to correct them. This provides increased data integrity and
system stability.
MGM Core Frequency
This field sets the frequency of the DRAM memory installed. The
default setting is Auto Max 266MHz.
System BIOS Cacheable
The setting of Enabled allows caching of the system BIOS ROM at
F000h-FFFFFh, resulting in better system performance. However, if
any program writes to this memory area, a system error may result.
Video BIOS Cacheable
The Setting Enabled allows caching of the video BIOS ROM at
C0000h-F7FFFh, resulting in better video performance. However, if
any program writes to this memory area, a system error may result.
Memory Hole At 15M-16M
In order to improve performance, certain space in memory can be
reserved for ISA cards. This memory must be mapped into the memory
space below 16 MB. The choices are Enabled and Disabled.
Delayed Transaction
The chipset has an embedded 32-bit posted write buffer to support delay
transactions cycles. Select Enabled to support compliance with PCI
specification version 2.1.
Delay Prior to Thermal
This field activates the CPU thermal function after the systems boots for
the set number of minutes. The options are 16Min and 64Min.
BIOS SETUP
40 MB894 User’s Manual
AGP Aperture Size
The field sets aperture size of the graphics. The aperture is a portion of
the PCI memory address range dedicated for graphics memory address
space. Host cycles that hit the aperture range are forwarded to the AGP
without any translation. The default setting is 128M.
On-Chip VGA
The default setting is Enabled.
On-Chip Frame Buffer Size
The default setting is 32MB. The options available include 1MB, 4MB,
8MB and 16MB.
Boot Display
The default setting is CRT+LFP. The options available include CRT and
LVDS.
Panel Scaling
The default setting is Auto. The options available include On and Off.
Panel Number
These fields allow you to select the LCD Panel type. The default values
for these ports are:
640x480 18bit SC
800x600 18bit SC
1024x768 18bit SC
1280x1024 24bit DC
1400x1050 18bit DC
1024x768 24bit SC
1600x1200 24bit DC
1280x1024 18bit DC
BIOS SETUP
MB894 User’s Manual 41
Integrated Peripherals
This section sets configurations for your hard disk and other integrated
peripherals. The first screen shows three main items for user to select.
Once an item selected, a submenu appears. Details follow.
Phoenix - AwardBIOS CMOS Setup Utility
Integrated Peripherals
OnChip IDE Device
Press Enter ITEM HELP
Onboard Device
Press Enter Menu Level >
SuperIO Device
Press Enter
SecondIO Device
Press Enter
Phoenix - AwardBIOS CMOS Setup Utility
OnChip IDE Device
Onboard SATA chip mode SATA mode
ITEM HELP
On-Chip Primary PCI IDE
Enabled
IDE Primary Master PIO
Auto
IDE Primary Slave PIO
Auto
IDE Primary Master UDMA
Auto
IDE Primary Slave UDMA
Auto
On-Chip Secondary PCI IDE
Enabled
IDE Secondary Master PIO
Auto
IDE Secondary Slave PIO
Auto
IDE Secondary Master UDMA
Auto
IDE Secondary Slave UDMA
Auto
IDE HDD Block Mode
Enabled
Menu Level >
Phoenix - AwardBIOS CMOS Setup Utility
Onboard Device
USB Controller
Enabled ITEM HELP
USB 2.0 Controller
Ensabled
USB Keyboard Support
Disabled
USB Mouse Support
Disabled
AC97 Audio Auto
Integrated LAN Enabled
Init Display First PCI Slot
Menu Level >
BIOS SETUP
42 MB894 User’s Manual
Phoenix - AwardBIOS CMOS Setup Utility
SuperIO Device
POWER ON Function BUTTON ONLY
ITEM HELP
Hot Key Power ON Ctrl-F1
Onboard FDC Controller Enabled
Onboard Serial Port 1 3F8/IRQ4
Onboard Serial Port 2 2F8/IRQ3
UART Mode Select Normal
RxD , TxD Active Hi, Lo
IR Transmission Delay Disabled
UR2 Duplex Mode Half
Use IR Pins IR-Rx2Tx2
Onboard Parallel Port 378/IRQ7
Parallel Port Mode SPP
EPP Mode Select EPP1.7
ECP Mode Use DMA 3
Menu Level >
Onboard Serial Port 3 3E8
Serial Port 3 Use IRQ IRQ10
Onboard Serial Port 4 Disabled
Serial Port 4 Use IRQ IRQ11
PWRON After PWR-Fail Off
Onboard SATA chip Mode
This field, by default, is set to SATA.
OnChip Primary/Secondary PCI IDE
The integrated peripheral controller contains an IDE interface with
support for two IDE channels. Select Enabled to activate each channel
separately.
IDE Primary/Secondary Master/Slave PIO
These fields allow your system hard disk controller to work faster.
Rather than have the BIOS issue a series of commands that transfer to or
from the disk drive, PIO (Programmed Input/Output) allows the BIOS to
communicate with the controller and CPU directly.
The system supports five modes, numbered from 0 (default) to 4, which
primarily differ in timing. When Auto is selected, the BIOS will select
the best available mode.
IDE Primary/Secondary Master/Slave UDMA
These fields allow your system to improve disk I/O throughput to
33Mb/sec with the Ultra DMA/33 feature. The options are Auto and
Disabled.
BIOS SETUP
MB894 User’s Manual 43
IDE HDD Block Mode
This field allows your hard disk controller to use the fast block mode to
transfer data to and from your hard disk drive.
USB Controller
The options for this field are Enabled and Disabled. By default, this field
is set to Enabled.
USB 2.0 Controller
The options for this field are Enabled and Disabled. By default, this field
is set to Enabled. In order to use USB 2.0, necessary OS drivers must be
installed first. Please update your system to Windows 2000 SP4 or
Windows XP SP1.
USB Keyboard Support
The options for this field are Enabled and Disabled. By default, this field
is set to Disabled.
USB Mouse Support
The options for this field are Enabled and Disabled. By default, this field
is set to Disabled.
AC97 Audio
The default setting of the AC97 Audio is Auto.
Integrated LAN
The default setting of the LAN controller is Enabled.
Init Display First
The default setting is PCI Card. This determines which VGA controller
is initialized when the system boots.
POWER ON Function
This field allows the type of power on function as the method to power
on the system. The selections in this setting are Hot KEY, Mouse Left,
Mouse Right, Any KEY, BUTTON ONLY and Keyboard w.
Hot Key Power ON
This allows the setting of certain keys on the keyboard that will serve as
the hot keys, that when pressed could power on the system.
BIOS SETUP
44 MB894 User’s Manual
Onboard FDC Controller
Select Enabled if your system has a floppy disk controller (FDC)
installed on the motherboard and you wish to use it. If you install an
add-in FDC or the system has no floppy drive, select Disabled in this
field. This option allows you to select the onboard FDD port.
Onboard Serial/Parallel Port
These fields allow you to select the onboard serial and parallel ports and
their addresses. The default values for these ports are:
Serial Port 1 3F8/IRQ4
Serial Port 2 2F8/IRQ3
Serial Port 3 3E8/IRQ10
Serial Port 4 2E8/IRQ11
Parallel Port 378H/IRQ7
UART Mode Select
This field determines the UART 2 mode in your computer. The default
value is Normal. Other options include IrDA and ASKIR.
Parallel Port Mode
This field allows you to determine parallel port mode function.
SPP Standard Printer Port
EPP Enhanced Parallel Port
ECP Extended Capabilities Port
PWRON After PWR-Fail
This field sets the system power status whether on or off when power
returns from a power failure situation.
BIOS SETUP
MB894 User’s Manual 45
Power Management Setup
The Power Management Setup allows you to save energy of your system
effectively.
Phoenix - AwardBIOS CMOS Setup Utility
Power Management Setup
Power-Supply Type
ATX ITEM HELP
ACPI Function
Enabled
Power Management
User Define
Video Off Method
V/H SYNC+Blank
Video Off In Suspend
Yes
Suspend Type
Stop Grant
Modem Use IRQ
3
Suspend Mode
Disabled
HDD Power Down
Disabled
Soft-Off by PWR-BTTN
Instant-Off
CPU THRM-Throttling
50%
Wake-Up by PCI Card
Disabled
Power On by Ring
Disabled
Resume by Alarm
Disabled
Date (of Month) Alarm 0
Time (hh:mm:ss) Alarm 0 : 0 : 0
** Reload Global Timer Events **
Primary IDE 0
Enabled
Primary IDE 1
Enabled
Secondary IDE 0
Enabled
Secondary IDE 1
Enabled
FDD, COM, LPT Port
Enabled
PCI PIRQ[A-D] #
Enabled
Menu Level >
Power Supply Type
Use this field to select the power supply type used in the system. The
default setting is ATX.
ACPI Function
Enable this function to support ACPI (Advance Configuration and
Power Interface).
Power Management
This field allows you to select the type of power saving management
modes. There are four selections for Power Management.
Min. Power Saving Minimum power management
Max. Power Saving Maximum power management.
User Define Each of the ranges is from 1 min. to
1hr. Except for HDD Power Down
which ranges from 1 min. to 15 min.
BIOS SETUP
46 MB894 User’s Manual
Video Off Method
This field defines the Video Off features. There are three options.
V/H SYNC + Blank Default setting, blank the screen and turn
off vertical and horizontal scanning.
DPMS Allows BIOS to control the video display.
Blank Screen Writes blanks to the video buffer.
Video Off In Suspend
When enabled, the video is off in suspend mode. The default setting is
Yes.
Suspend Type
The default setting for the Suspend Type field is Stop Grant.
Modem Use IRQ
This field sets the IRQ used by the Modem. By default, the setting is 3.
Suspend Mode
When enabled, and after the set time of system inactivity, all devices
except the CPU will be shut off.
HDD Power Down
When enabled, and after the set time of system inactivity, the hard disk
drive will be powered down while all other devices remain active.
Soft-Off by PWRBTN
This field defines the power-off mode when using an ATX power
supply. The Instant Off mode allows powering off immediately upon
pressing the power button. In the Delay 4 Sec mode, the system powers
off when the power button is pressed for more than four seconds or
enters the suspend mode when pressed for less than 4 seconds.
CPU THRM-Throttling
When the system enters Doze mode, the CPU clock runs only part of the
time. You may select the percent of time that the clock runs.
Wake up by PCI Card
By default, this field is disabled.
BIOS SETUP
MB894 User’s Manual 47
Power On by Ring
This field enables or disables the power on of the system through the
modem connected to the serial port or LAN.
Resume by Alarm
This field enables or disables the resumption of the system operation.
When enabled, the user is allowed to set the Date and Time.
Reload Global Timer Events
The HDD, FDD, COM, LPT Ports, and PCI PIRQ are I/O events that can
prevent the system from entering a power saving mode or can awaken
the system from such a mode. When an I/O device wants to gain the
attention of the operating system, it signals this by causing an IRQ to
occur. When the operating system is ready to respond to the request, it
interrupts itself and performs the service.
BIOS SETUP
48 MB894 User’s Manual
PNP/PCI Configurations
This option configures the PCI bus system. All PCI bus systems on the
system use INT#, thus all installed PCI cards must be set to this value.
Phoenix - AwardBIOS CMOS Setup Utility
PnP/PCI Configurations
PNP OS Installed
No ITEM HELP
Reset Configuration Data
Disabled
Resources Controlled By
Auto (ESCD)
IRQ Resources
Press Enter
PCI/VGA Palette Snoop
Disabled
Menu Level
Select Yes if you are
using a Plug and Play
capable operating
system Select No if
you need the BIOS to
configure non-boot
devices
PNP OS Installed
Enable the PNP OS Install option if it is supported by the operating
system installed. The default value is No.
Reset Configuration Data
This field allows you to determine whether to reset the configuration
data or not. The default value is Disabled.
Resources Controlled by
This PnP BIOS can configure all of the boot and compatible devices
automatically with the use of a use a PnP operating system such as
Windows 95.
PCI/VGA Palette Snoop
Some non-standard VGA display cards may not show colors properly.
This field allows you to set whether or not MPEG ISA/VESA VGA
cards can work with PCI/VGA. When this field is enabled, a PCI/VGA
can work with an MPEG ISA/VESA VGA card. When this field is
disabled, a PCI/VGA cannot work with an MPEG ISA/VESA card.
BIOS SETUP
MB894 User’s Manual 49
PC Health Status
This section shows the parameters in determining the PC Health Status.
These parameters include temperatures, fan speeds and voltages.
Phoenix - AwardBIOS CMOS Setup Utility
PC Health Status
Hardware Monitor Enabled
ITEM HELP
CPU Warning Temperature
System Temp.
CPU Temp.
Chassis Temp.
CPU FAN Speed (FAN1)
System FAN Speed (FAN2)
Chassis FAN Speed (FAN3)
Vcore(V)
VGMCH(V)
Menu Level >
+3.3V
+5V
+12V
-12V
VBAT
5VSB(V)
Shutdown Temperature Disabled
CPU Fan Failure Warning Disabled
Sys. Fan Failure Warning Disabled
Cha. Fan Failure Warning Disabled
Hardware Monitor
The Hardware Monitor can be enabled or disabled.
CPU Warning Temperature
This field allows the user to set the temperature so that when the
temperature is reached, the system sounds a warning. This function can
help prevent damage to the system that is caused by overheating.
Temperatures/Voltages
These fields are the parameters of the hardware monitoring function
feature of the motherboard. The values are read-only values as
monitored by the system and show the PC health status.
Shutdown Temperature
This field allows the user to set the temperature by which the system
automatically shuts down once the threshold temperature is reached.
This function can help prevent damage to the system that is caused by
overheating.
BIOS SETUP
50 MB894 User’s Manual
CPU/System/Chassis Fan Failure Warning
When enabled, this field lets the system sounds an audible warning to
the user that the CPU fan or chassis fan has malfunctioned.
Frequency/Voltage Control
This section shows the user how to configure the processor frequency.
Phoenix - AwardBIOS CMOS Setup Utility
Frequency/Voltage Control
Auto Detect PCI Clk
Disabled ITEM HELP
Spread Spectrum Modulated
Disabled Menu Level >
Auto Detect PCI Clk
This field enables or disables the auto detection of the PCI clock.
Spread Spectrum Modulated
This field sets the value of the spread spectrum. The default setting is
Disabled. This field is for CE testing use only.
BIOS SETUP
MB894 User’s Manual 51
Load Fail-Safe Defaults
This option allows you to load the troubleshooting default values
permanently stored in the BIOS ROM. These default settings are
non-optimal and disable all high-performance features.
Load Optimized Defaults
This option allows you to load the default values to your system
configuration. These default settings are optimal and enable all high
performance features.
Set Supervisor Password
These two options set the system password. Supervisor Password sets a
password that will be used to protect the system and Setup utility. User
Password sets a password that will be used exclusively on the system. To
specify a password, highlight the type you want and press <Enter>. The
Enter Password: message prompts on the screen. Type the password, up
to eight characters in length, and press <Enter>. The system confirms
your password by asking you to type it again. After setting a password,
the screen automatically returns to the main screen.
To disable a password, just press the <Enter> key when you are
prompted to enter the password. A message will confirm the password to
be disabled. Once the password is disabled, the system will boot and you
can enter Setup freely.
Save & Exit Setup
This option allows you to determine whether or not to accept the
modifications. If you type “Y”, you will quit the setup utility and save all
changes into the CMOS memory. If you type “N”, you will return to
Setup utility.
Exit Without Saving
Select this option to exit the Setup utility without saving the changes you
have made in this session. Typing “Y” will quit the Setup utility without
saving the modifications. Typing “N” will return you to Setup utility.
BIOS SETUP
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DRIVERS INSTALLATION
MB894 User’s Manual 53
Drivers Installation
This section describes the installation procedures for software and
drivers under the Windows 98SE, Windows ME, Windows 2000 and
Windows XP. The software and drivers are included with the
motherboard. If you find the items missing, please contact the vendor
where you made the purchase. The contents of this section include the
following:
Intel Chipset Software Intallation Utility ......................... 54
VGA Drivers Installation................................................ 55
AC97 Codec Audio Driver Installation............................ 56
Intel PRO LAN Drivers Installation ................................ 57
Realtek Network Interface Controller Drivers.................. 63
IMPORTANT NOTE:
After installing your Windows operating system (Windows
98SE/ME/2000/XP), you must install first the Intel Chipset Software
Installation Utility before proceeding with the drivers installation.
DRIVERS INSTALLATION
54 MB894 User’s Manual
Intel Chipset Software Intallation Utility
The Intel Chipset Drivers should be installed first before the software
drivers to enable Plug & Play INF support for Intel chipset components.
Follow the instructions below to complete the installation under
Windows 98SE/ME/2000/XP.
1. Insert the CD that comes with the board. Click Intel Chipsets and
then Intel(R) 855GME Chipset Drivers.
2. Click Intel(R) Chipset Software Installation Utility.
3. When the Welcome screen appears, click Next to continue.
4. On the next screen, click Yes to accept the software license agreement
and proceed with the installation process.
5. On Readme Information screen, click Next to continue the
installation.
6. The Setup process is now complete. Click Finish to restart the
computer and for changes to take effect. When the computer has
restarted, the system will be able to find some devices. Restart your
computer when prompted.
DRIVERS INSTALLATION
MB894 User’s Manual 55
VGA Drivers Installation
To install the VGA drivers, follow the steps below to proceed with the
installation.
1. Insert the CD that comes with the motherboard. Click Intel Chipsets
and then Intel(R) 855GME Chipset Drivers.
2. Click Intel(R) 855GME Chipset Family Graphics Driver.
3. When the Welcome screen appears, click Next to continue.
4. Click Yes to to agree with the license agreement and continue the
installation.
5. Restart the computer as prompted and for changes to take effect.
DRIVERS INSTALLATION
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AC97 Codec Audio Driver Installation
Follow the steps below to install the Realtek AC97 Codec Audio Drivers.
1. Insert the CD that comes with the motherboard. Click Intel Chipsets
and then Intel(R) 855GME Chipset Drivers.
2. Click Realtek AC'97 Codec Audio Driver.
3. Click Finish to restart the computer and for changes to take effect. .
DRIVERS INSTALLATION
MB894 User’s Manual 57
Intel PRO LAN Drivers Installation
Follow the steps below to complete the installation of the Intel PRO LAN
drivers.
1. Insert the CD that comes with the motherboard. Click LAN Card and
then Intel(R) PRO LAN Drivers.
2. Click Install Base Software to continue.
4. When prompted, please to restart the computer for new settings to
take effect.
DRIVERS INSTALLATION
58 MB894 User’s Manual
Realtek Network Interface Controller Drivers
Installation
Follow the steps below to install the Realtek Network Interface
Controller Drivers.
1. Insert the CD that comes with the motherboard and on the initial
screen click LAN CardèRealtek Network Interface Controller Drivers
2. When the welcome screen appears, click Next to continue.
3. On the next screen, click Finish to restart the computer.
APPENDIX
MB894 User’s Manual 59
Appendix
A. I/O Port Address Map
Each peripheral device in the system is assigned a set of I/O port
addresses which also becomes the identity of the device. The following
table lists the I/O port addresses used.
Address Device Description
000h - 01Fh DMA Controller #1
020h - 03Fh Interrupt Controller #1
040h - 05Fh Timer
060h - 06Fh Keyboard Controller
070h - 07Fh Real Time Clock, NMI
080h - 09Fh DMA Page Register
0A0h - 0BFh Interrupt Controller #2
0C0h - 0DFh DMA Controller #2
0F0h Clear Math Coprocessor Busy Signal
0F1h Reset Math Coprocessor
1F0h - 1F7h IDE Interface
278h - 27Fh Parallel Port #2(LPT2)
2F8h - 2FFh Serial Port #2(COM2)
2B0h - 2DFh Graphics adapter Controller
378h - 3FFh Parallel Port #1(LPT1)
360h - 36Fh Network Ports
3B0h - 3BFh Monochrome & Printer adapter
3C0h - 3CFh EGA adapter
3D0h - 3DFh CGA adapter
3F0h - 3F7h Floppy Disk Controller
3F8h - 3FFh Serial Port #1(COM1)
APPENDIX
60 MB894 User’s Manual
B. Interrupt Request Lines (IRQ)
Peripheral devices use interrupt request lines to notify CPU for the
service required. The following table shows the IRQ used by the devices
on board.
Level Function
IRQ0 System Timer Output
IRQ1 Keyboard
IRQ2 Interrupt Cascade
IRQ3 Serial Port #2
IRQ4 Serial Port #1
IRQ5 Reserved
IRQ6 Floppy Disk Controller
IRQ7 Parallel Port #1
IRQ8 Real Time Clock
IRQ9 Reserved
IRQ10 Reserved
IRQ11 Reserved
IRQ12 PS/2 Mouse
IRQ13 80287
IRQ14 Primary IDE
IRQ15 Secondary IDE
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