INTEL D848PMB Product Guide

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Intel® Desktop Board

D848PMB Product Guide

Order Number: C54219-002

Revision History

Revision	Revision History	Date

-001	First release of the Intel® Desktop Board D848PMB Product Guide.	October 2003

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:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and the receiver.

•Connect the equipment to an outlet on a circuit other than the one to which the receiver is connected.

•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

Information in this document is provided in connection with Intel® products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Intel’s Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not intended for use in medical, life saving, or life sustaining applications. Intel may make changes to specifications and product descriptions at any time, without notice.

Desktop Board D848PMB may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request.

Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.

Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be obtained from Intel Corporation by going to the World Wide Web site at: http://www.intel.com/ or by calling 1-800-548-4725.

Intel, Pentium, and Celeron are registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries.

* Other names and brands may be claimed as the property of others.

Preface

This Product Guide gives information about board layout, component installation, BIOS Setup menus, and regulatory requirements for Intel® Desktop Board D848PMB.

Intended Audience

The Product Guide is intended for technically qualified personnel. It is not intended for general audiences.

Information Layout

The chapters in this Product Guide are arranged as follows:

•1 Desktop Board Features: a summary of product features.

•2 Installing and Replacing Desktop Board Components: instruction on how to install the desktop board and other hardware components.

•3 Updating the BIOS: instructions on how to update the BIOS.

•4 Using the BIOS Setup Program: contents of the BIOS Setup menus and submenus

•5 Desktop Board Resources: information about connectors and desktop board resources.

•A Error Messages and Indicators: information about BIOS error messages and beep codes.

•B Regulatory Compliance: safety and EMC regulations, product certification.

Conventions

The following conventions are used in this manual:

WARNING

Warnings indicate conditions that, if not observed, can cause personal injury.

CAUTION

Cautions warn the user about how to prevent damage to hardware or loss of data.

NOTE

Notes call attention to important information.

iii

Intel Desktop Board D848PMB Product Guide

Terminology

The table below gives descriptions to some common terms used in the product guide.

Term	Description

GB	Gigabyte (1,073,741,824 bytes)

GHz	Gigahertz (one billion hertz)

KB	Kilobyte (1024 bytes)

MB	Megabyte (1,048,576 bytes)

Mbit	Megabit (1,048,576 bits)

MHz	Megahertz (one million hertz)

Contents

1 Desktop Board Features
Manufacturing Options..........................................................................................................	11
Supported Operating Systems ..............................................................................................	11
Desktop Board Components.................................................................................................	12
Processor..............................................................................................................................	14
Main Memory ........................................................................................................................	15
Intel® 848P Chipset...............................................................................................................	16
Audio Subsystem ..................................................................................................................	16
Input/Output (I/O) Controller..................................................................................................	17
LAN Subsystem (Optional)....................................................................................................	17
LAN Subsystem Software ............................................................................................	17
RJ-45 LAN Connector LEDs ........................................................................................	17
Hi-Speed USB 2.0 Support ...................................................................................................	18
Enhanced IDE Interface ........................................................................................................	18
Accelerated Graphics Port (AGP) .........................................................................................	18
BIOS......................................................................................................................................	19
PCI Auto Configuration ................................................................................................	19
IDE Auto Configuration ................................................................................................	19
Security Passwords......................................................................................................	19
Chassis Intrusion...................................................................................................................	19
Power Management Features...............................................................................................	20
ACPI.............................................................................................................................	20
Power Connectors........................................................................................................	20
Fan Connectors............................................................................................................	20
Fan Speed Control (Intel® Precision Cooling Technology) ..........................................	20
Suspend to RAM (Instantly Available PC Technology) ................................................	21
Resume on Ring ..........................................................................................................	22
Wake from USB ...........................................................................................................	22
Wake from PS/2 Keyboard/Mouse...............................................................................	22
PME# Wakeup Support................................................................................................	22
Speaker.................................................................................................................................	22
Battery...................................................................................................................................	22
Real-Time Clock....................................................................................................................	22
2 Installing and Replacing Desktop Board Components
Before You Begin..................................................................................................................	23
Installation Precautions.........................................................................................................	24
Installation Instructions..........................................................................................................	24
Ensure Electromagnetic Compatibility (EMC) Compliance ..........................................	24
Chassis and Component Certifications ........................................................................	25
Prevent Power Supply Overload ..................................................................................	25
Place Battery Marking ..................................................................................................	25
Use Only for Intended Applications..............................................................................	25
Installing the I/O Shield .........................................................................................................	26
Installing and Removing the Desktop Board .........................................................................	27

Intel Desktop Board D848PMB Product Guide

Installing and Removing a Processor....................................................................................	28
Installing a Processor...................................................................................................	28
Installing the Processor Fan Heat Sink ........................................................................	28
Connecting the Processor Fan Heat Sink Cable..........................................................	29
Removing the Processor..............................................................................................	29
Installing and Removing Memory..........................................................................................	30
Installing DIMMs...........................................................................................................	31
Removing DIMMs.........................................................................................................	31
Installing and Removing an AGP Card .................................................................................	32
Installing an AGP Card.................................................................................................	32
Removing the AGP Card..............................................................................................	32
Connecting the IDE Cable.....................................................................................................	33
Connecting the Serial ATA Cable .........................................................................................	34
Connecting Internal Headers ................................................................................................	35
Connecting the Front Panel Header.............................................................................	36
Connecting USB 2.0 Headers ......................................................................................	36
Installing a Front Panel Audio Solution ........................................................................	37
Add-In Card and Peripheral Interface Connectors ................................................................	38
Connecting Hardware Control and Power Cables ................................................................	39
Connecting the Chassis Intrusion Cable ......................................................................	40
Connecting Fans ..........................................................................................................	40
Connecting Power Cables............................................................................................	40
Setting the BIOS Configuration Jumper Block ......................................................................	41
Clearing Passwords ..............................................................................................................	42
Replacing the Battery............................................................................................................	43
3 Updating the BIOS
Updating the BIOS with the Intel® Express BIOS Update Utility ...........................................	47
Updating the BIOS with the Iflash Memory Update Utility.....................................................	48
Obtaining the BIOS Update File...................................................................................	48
Updating the BIOS .......................................................................................................	48
Recovering the BIOS ...................................................................................................	49
4 Using the BIOS Setup Program
Maintenance Menu................................................................................................................	52
Main Menu ............................................................................................................................	53
Advanced Menu ....................................................................................................................	54
PCI Configuration Submenu ........................................................................................	55
Boot Configuration Submenu .......................................................................................	56
Peripheral Configuration Submenu ..............................................................................	57
ATA/IDE Configuration Submenu ................................................................................	59
PATA and SATA Submenus ........................................................................................	60
Diskette Configuration Submenu .................................................................................	62
Event Log Configuration Submenu ..............................................................................	63
Video Configuration Submenu .....................................................................................	64
USB Configuration Submenu .......................................................................................	65
Chipset Configuration Submenu ..................................................................................	66
Fan Control Submenu ..................................................................................................	68
Hardware Monitoring Submenu ...................................................................................	69

Contents

	Security Menu .......................................................................................................................		70
	Power Menu..........................................................................................................................		71
		ACPI Submenu ............................................................................................................	72
	Boot Menu.............................................................................................................................		73
		Boot Device Priority Submenu .....................................................................................	74
		Hard Disk Drives Submenu..........................................................................................	75
		Removable Devices Submenu.....................................................................................	76
		ATAPI CD-ROM Drives................................................................................................	77
	Exit Menu ..............................................................................................................................		78
5	Desktop Board Resources
	Memory Map .........................................................................................................................		79
	DMA Channels......................................................................................................................		79
	Interrupts...............................................................................................................................		80
A	Error Messages and Indicators
	BIOS Beep Codes.................................................................................................................		81
	BIOS Error Messages ...........................................................................................................		82
B	Regulatory Compliance
	Safety Regulations................................................................................................................		85
	European Union Declaration of Conformity Statement .........................................................		85
	Product Ecology Statements.................................................................................................		86
	EMC Regulations ..................................................................................................................		87
	Product Certification Markings (Board Level)........................................................................		88
Figures
	1.	Desktop Board Components ..........................................................................................	12
	2.	Location of Standby Power Indicator..............................................................................	21
	3.	Installing the I/O Shield...................................................................................................	26
	4.	Location of Desktop Board Mounting Screw Holes ........................................................	27
	5.	Installing a Processor .....................................................................................................	28
	6.	Connecting the Processor Fan Heat Sink Cable to the Processor Fan Connector ........	29
	7.	Installing a Memory Module............................................................................................	30
	8.	Removing the AGP Card ................................................................................................	32
	9.	Connecting the IDE Cable ..............................................................................................	33
	10.	Connecting the Serial ATA Cable...................................................................................	34
	11.	Internal Headers.............................................................................................................	35
	12.	PCI Bus Add-in Card and Peripheral Interface Connectors ...........................................	38
	13.	Location of Hardware Control Headers and Power Connectors.....................................	39
	14.	Location of the BIOS Configuration Jumper Block .........................................................	41
	15.	Removing the Battery .....................................................................................................	46

vii

Intel Desktop Board D848PMB Product Guide

Tables
1.	Feature Summary.............................................................................................................	9
2.	Manufacturing Options ...................................................................................................	11
3.	Desktop Board Components ..........................................................................................	13
4.	Supported Processors....................................................................................................	14
5.	RJ-45 10/100 Ethernet LAN Connector LEDs ................................................................	17
6.	Front Panel Header (J9J1) .............................................................................................	36
7.	USB 2.0 Headers (J9F1 and J9H1)................................................................................	36
8.	Front Panel Audio Header Signal Names (J9A2) ...........................................................	37
9.	Jumper Settings for the BIOS Setup Program Modes (J9J4).........................................	41
10.	BIOS Setup Program Menu Bar .....................................................................................	51
11.	BIOS Setup Program Function Keys ..............................................................................	52
12.	Maintenance Menu .........................................................................................................	52
13.	Main Menu......................................................................................................................	53
14.	Advanced Menu..............................................................................................................	54
15.	PCI Configuration Submenu...........................................................................................	55
16.	Boot Configuration Submenu .........................................................................................	56
17.	Peripheral Configuration Submenu ................................................................................	57
18.	ATA/IDE Configuration Submenu...................................................................................	59
19.	SATA and PATA Submenus...........................................................................................	60
20.	Diskette Configuration Submenu....................................................................................	62
21.	Event Log Configuration Submenu.................................................................................	63
22.	Video Configuration Submenu........................................................................................	64
23.	USB Configuration Submenu .........................................................................................	65
24.	Chipset Configuration Submenu.....................................................................................	66
25.	Hardware Management ..................................................................................................	68
26.	Hardware Monitoring Submenu......................................................................................	69
27.	Security Menu.................................................................................................................	70
28.	Power Menu ...................................................................................................................	71
29.	ACPI Submenu...............................................................................................................	72
30.	Boot Menu ......................................................................................................................	73
31.	Boot Device Priority Submenu........................................................................................	74
32.	Hard Disk Drives Submenu ............................................................................................	75
33.	Removable Devices Submenu .......................................................................................	76
34.	ATAPI CD-ROM Drives Submenu..................................................................................	77
35.	Exit Menu........................................................................................................................	78
36.	System Memory Map......................................................................................................	79
37.	DMA Channels ...............................................................................................................	79
38.	Interrupts ........................................................................................................................	80
39.	Beep Codes....................................................................................................................	81
40.	BIOS Error Messages.....................................................................................................	82
41.	Safety Regulations .........................................................................................................	85
42.	EMC Regulations............................................................................................................	87
43.	Product Certification Markings........................................................................................	88

viii

1 Desktop Board Features

Table 1 describes the major features of Intel® Desktop Board D848PMB.

Table 1. Feature Summary

Form Factor	MicroATX 9.6-inches by 8.5-inches

Processor	Support for:
	• Intel® Pentium® 4 processor (1.60a, 1.80a, 2a, 2.2 GHz or higher) with
		800/533/400 MHz front side bus (FSB) frequency in the mPGA478-pin
		package
	• Intel® Celeron processor (2 GHz or higher) with 400 MHz FSB frequency in
		the mPGA478-pin package

Main Memory	•	Two 184-pin, 2.5 V SDRAM Dual Inline Memory Module (DIMM) sockets
	• Single channel 400/333/266 MHz DDR SDRAM interface
	• Designed to support up to 2 GB of system memory

Chipset	Intel® 848P chipset consisting of:
	• Intel® 82848P Memory Controller Hub (MCH) with Accelerated Hub
		Architecture (AHA) bus
	• Intel® 82801EB I/O Controller Hub (ICH5) with support for up to eight
		Hi-Speed Universal Serial Bus 2.0 (USB 2.0) ports
	• 4 Mbit Firmware Hub (FWH)

Graphics	•	Intel 848P chipset
	• 1.5 V and 0.8 V only AGP connector
	• Single AGP port via the connector
	• AGP 3.0 including 1x/4x/8x AGP data transfers and 1x/4x/8x Fast Writes

Audio	•	Intel 848P chipset (AC ’97)
	•	Two channel audio
	•	RealTek ALC202A

Peripheral Interfaces	•	Up to eight USB 2.0 ports
		— Four ports routed to the back panel
		— Four ports routed to the internal USB headers
	• Two IDE interfaces with Ultra DMA-33 and ATA-66/100 support
	• Two Serial ATA (SATA) connectors
	• One diskette drive interface
	•	One parallel port
	•	One serial port
	• PS/2* keyboard and mouse ports

		continued

Intel Desktop Board D848PMB Product Guide

Table 1. Feature Summary (continued)

Expansion Capabilities	•	Up to three PCI bus add-in card connectors (SMBus routed to PCI
		connector 2)
	•	One AGP connector

BIOS	•	Intel/AMI BIOS
	• 4 Mbit symmetrical flash memory
	•	Support for SMBIOS

Power Management	•	Support for Advanced Configuration and Power Interface (ACPI)
	• Suspend to RAM (STR)
	• Wake on USB, PCI, RS-232, PS/2, LAN, and front panel

Hardware Management	•	Hardware monitor with:
	• Three fan sensing inputs used to monitor fan activity
	•	Temperature sensing
	• Intel® Precision Cooling Technology fan speed control that automatically
		adjusts chassis fan speeds based on system temperature
	• Voltage sensing to detect out of range values

Related Links:

For more information about Intel Desktop Board D848PMB, including the Technical Product Specification (TPS), BIOS updates, and device drivers, go to:

http://support.intel.com/support/motherboards/desktop/

Desktop Board Features

Manufacturing Options

Table 2 below describes the manufacturing options for Desktop Board D848PMB.

Table 2.	Manufacturing Options

Option		Description

LAN		Intel® 82562EX 10/100 Mbit/sec Platform LAN Connect (PLC) device and
		RJ-45 connector

Supported Operating Systems

The desktop board supports the following operating systems:

•Microsoft Windows* XP

•Microsoft Windows 2000

•Microsoft Windows Me

•Microsoft Windows 98 SE

Intel Desktop Board D848PMB Product Guide

Desktop Board Components

Figure 1 shows the approximate location of the major components on Desktop Board D848PMB.

Line

	USB 2.0	USB 2.0
	Devices	Devices
A B	C

S R P O M L K J Q N

G H

OM16350

Figure 1. Desktop Board Components

Desktop Board Features

Table 3.	Desktop Board Components

Label	Description

A	Front panel audio header

B	CD-ROM audio connector (ATAPI-style)

C	AGP connector

D	Rear chassis fan header (fan speed control)

E	12 V processor core voltage connector

F	Processor socket

G	Processor fan header

H	Intel 82848P (MCH)

I	DIMM socket

J	Main power connector

K	Diskette drive connector

L	Secondary IDE connector

M	Primary IDE connector

N	Front chassis fan connector (fan speed control)

O	Chassis intrusion header

P	Serial ATA connectors

Q	BIOS configuration jumper

R	Alternate power/sleep LED header

S	Front panel header

T	USB 2.0 header

U	Intel 82801EB (ICH5)

V	USB 2.0 header

W	Battery

X	PCI bus add-in card connectors

Y	Speaker

Z	Auxiliary line-in connector (ATAPI-style)

Related Links:

Go to the following links for the latest information about:

•Intel Desktop Board D848PMB, http://www.intel.com/design/motherbd

•Processors, http://support.intel.com/support/motherboards/desktop

•Audio software and utilities, http://www.intel.com/design/motherbd

•LAN software and drivers, http://www.intel.com/design/motherbd

Intel Desktop Board D848PMB Product Guide

Processor

CAUTION

Failure to use an ATX12V power supply, or not connecting the 12 V processor core voltage power supply connector to Desktop Board D848PMB may result in damage to the desktop board and/or power supply.

Desktop Board D848PMB supports a single Intel Pentium 4 processor or Intel Celeron processor. Processors are not included with the desktop board and must be purchased separately.

The processor connects to the Intel desktop board through the mPGA478-pin socket. The Intel processors may be removed and replaced to accommodate supported higher speed processors. Desktop Board D848PMB supports the processors listed in Table 4.

Table 4.	Supported Processors

		Designation	FSB Frequency	L2 Cache
Type		(GHz)	(MHz)	(KB)

Intel® Pentium® 4 processor		3, 2.80C, 2.60C, and 2.40C	800	512
featuring Hyper-Threading
featuring Hyper-Threading		3.06	533	512
Technology		3.06	533	512

Intel Pentium 4 processor		2.8, 2.66, 2.53, 2.4B, and	533	512
		2.26

		2.6, 2.5, 2.40, 2.20, 2A,	400	512
		1.80A, and 1.60A

Intel® Celeron® processor		2.2, 2.1, and 2.0	400	128

Desktop Board D848PMB requires an ATX12V compliant power supply to function according to desktop board specifications. The board has two ATX12V compliant power supply connectors that are needed to provide extra power to the Intel 848P chipset and Intel processor.

Related Links:

Go to the following link or sections in this manual for:

•The latest information on supported Intel processors for Desktop Board D848PMB http://support.intel.com/support/motherboards/desktop/

•Instructions on installing or upgrading the processor, page 28 in Chapter 2

Desktop Board Features

Main Memory

NOTE

To be fully compliant with all applicable Intel® SDRAM memory specifications, the board 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.

The desktop board supports system memory as defined below:

•Single channel and up to two 184-pin Double Data Rate (DDR) SDRAM Dual Inline Memory Module (DIMMs) connectors with gold-plated contacts.

•Supported memory configurations are:

		Front Side Bus	Memory Speed
Memory Speed	Processor	Frequency	Outcome

DDR400	Pentium 4 processor	800 MHz	400 MHz

DDR333	Pentium 4 processor	800 MHz	320 MHz

	Pentium 4 processor	533 MHz	333 MHz

	Pentium 4 processor or	400 MHz	266 MHz
	Celeron processor

DDR266	Pentium 4 processor	533 MHz or 400 MHz	266 MHz

	Celeron processor	400 MHz	266 MHz

•Support for:

Unbuffered, non-registered DIMMs

Serial Presence Detect (SPD) memory only

Support for Suspend to RAM (STR), S3 ACPI state

Non-ECC DDR (ECC memory will run in non-ECC mode)

2.5 V memory

Related Links:

Go to the following links or section in this manual for:

•The latest list of tested memory, http://support.intel.com/support/motherboards/desktop/

•SDRAM specifications, http://www.intel.com/technology/memory/pcsdram/spec/

•Installing memory, page 30 in Chapter 2

Intel Desktop Board D848PMB Product Guide

Intel® 848P Chipset

The Intel 848P chipset consists of the following devices:

•Intel 82848P Memory Controller Hub (MCH) with AHA bus

•Intel 82801EB I/O Controller Hub (ICH5) with AHA bus

•Firmware Hub (FWH)

Audio Subsystem

The audio subsystem features the following:

•Intel 82801EB I/O Controller Hub (ICH5)

•RealTek ALC202A codec

•Microphone input that supports a single dynamic, condenser, or electret microphone

The subsystem has the following connectors:

•ATAPI-style CD-ROM connector

•Front panel audio connector, including pins for:

Line out

Mic in

•Back panel audio connectors that are configurable through the audio devices drivers.

Line in or Rear left/right out

Line out or Front left/right out

Mic in or Center LFE out

Related Links:

Go to the following link or sections in this manual for more information about:

•Audio drivers and utilities, http://support.intel.com/support/motherboards/desktop/

•Location of the internal audio connectors, page 35 in Chapter

•Installing the front panel audio solution, page 37 in Chapter 2

Desktop Board Features

Input/Output (I/O) Controller

The super I/O controller features the following:

•Low pin count (LPC) interface

•One serial port

•One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support

•Serial IRQ interface compatible with serialized IRQ support for PCI systems

•PS/2-style mouse and keyboard interfaces

•Interface for one 1.2 MB, 1.44 MB, or 2.88 MB diskette drive

•Intelligent power management, including a programmable wake up event interface

•PCI power management support

LAN Subsystem (Optional)

The optional LAN provides a Fast PCI LAN subsystem. The LAN subsystem provides the following functions:

•Basic 10/100 Ethernet LAN (Intel 82562EX)

•Support for RJ-45 connector with status indicator LEDs

•Programmable transit threshold

•Configurable EEPROM that contains the MAC address

LAN Subsystem Software

For LAN software and drivers, refer to the D848PMB link on Intel’s World Wide Web site at:

http://support.intel.com/support/motherboards/desktop

RJ-45 LAN Connector LEDs

Two LEDs are built into the RJ-45 LAN connector. Table 5 describes the LED states when the board is powered up and the 10/100 Ethernet LAN subsystem is operating.

Table 5.	RJ-45 10/100 Ethernet LAN Connector LEDs

LED Color		LED State	Indicates

Green		Off	LAN link is not established.

		On (steady state)	LAN link is established.

		On (brighter and pulsing)	The computer is communicating with another computer on the
			LAN.

Yellow		Off	10 Mbit/sec data rate is selected.

		On	100 Mbit/sec data rate is selected.

Intel Desktop Board D848PMB Product Guide

Hi-Speed USB 2.0 Support

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 full-speed USB device.

The desktop board supports up to eight USB 2.0 ports via ICH5; four ports routed to the back panel and four routed to the internal USB 2.0 headers. USB 2.0 ports are backward compatible with USB 1.1 devices. USB 1.1 devices will function normally at USB 1.1 speeds.

Disabling Hi-Speed USB in the BIOS reverts all USB 2.0 ports to USB 1.1 operation. This may be required to accommodate operating systems that do not support USB 2.0.

NOTE

USB devices are limited to USB 1.1 transfer rates prior to operating system and driver initialization.

Enhanced IDE Interface

The ICH5’s IDE interface handles the exchange of information between the processor and peripheral devices like hard disks, CD-ROM drives, and Iomega Zip* drives inside the computer. The interface supports:

•Up to four IDE devices (such as hard drives)

•ATAPI-style devices (such as CD-ROM drives)

•Older PIO Mode devices

•Ultra DMA-33 and ATA-66/100 protocols

•Laser Servo (LS-120) drives

Accelerated Graphics Port (AGP)

NOTE

Desktop Board D848PMB is only compatible with 0.8 V and 1.5 V AGP cards.

The AGP connector is keyed for 0.8 V and 1.5 V AGP cards only; the connector is not mechanically compatible with legacy 3.3 V AGP cards. Do not attempt to install a legacy 3.3 V AGP card.

AGP is a high-performance interface for graphics-intensive applications, such as 3D graphics. AGP is independent of the PCI bus and is intended for exclusive use with graphical display devices.

The AGP 3.0 connector supports 8x, 4x, and 1x AGP cards.

Related Links:

For information about installing the AGP card, see page 32 in Chapter 2.

Desktop Board Features

BIOS

The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, the PCI and IDE auto-configuration utilities, and the video BIOS. The BIOS is stored in the Firmware Hub.

The BIOS can be updated by following the instructions in Chapter 3 on page 47.

PCI Auto Configuration

If you install a PCI add-in card 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 card. You do not need to run the BIOS Setup program after you install a PCI add-in card.

IDE Auto Configuration

If you install an IDE device (such as 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. You can override the autoconfiguration options by specifying manual configuration in the BIOS Setup program.

To use ATA-66/100 features, the following items are required:

•An ATA-66/100 peripheral device

•An ATA-66/100 compatible cable

•ATA-66/100 operating system device drivers

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 and for booting the computer, with the following restrictions:

•The supervisor password gives unrestricted access to view and change all Setup options. If only the supervisor password is set, pressing <Enter> at the password prompt of Setup gives the user restricted access to Setup.

•If both the supervisor and user passwords are set, you must enter either the supervisor password or the user password to access Setup. Setup options are then available for viewing and changing depending on whether the supervisor or user password was entered.

•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.

Chassis Intrusion

The board supports a chassis security feature that detects if the chassis cover has been removed. The security feature uses a mechanical switch on the chassis that can be connected to the chassis intrusion header on the desktop board. See Figure 13 on page 39 for the location of the chassis intrusion header.

Intel Desktop Board D848PMB Product Guide

Power Management Features

Power management is implemented at several levels, including:

•Advanced Configuration and Power Interface (ACPI)

•Hardware support:

Power connectors

Fan connectors

Fan Speed Control

Suspend to RAM (Instantly Available PC technology)

Resume on Ring

Wake from USB

Wake from PS/2 keyboard/mouse

PME# wakeup support

ACPI

ACPI gives the operating system direct control over the power management and Plug & Play functions of a computer. The use of ACPI with the desktop board requires an operating system that provides full ACPI support.

Power Connectors

The desktop board has two power connectors. See Figure 13 on page 39 for the location of the power connectors.

Fan Connectors

The desktop board has two chassis fan connectors (Intel Precision Cooling Technology) and one processor fan connector. See Figure 13 on page 39 for the location of the fan connectors.

Fan Speed Control (Intel® Precision Cooling Technology)

Intel Precision Cooling Technology automatically adjusts the chassis fan speeds depending on the system’s temperature. This feature reduces system fan noise by lowering the speed of the chassis fans connected to the front and rear chassis fan connectors. The processor fan connector is not controlled.

The fan speed control feature can be disabled in the BIOS, resulting in the chassis fans always operating at full speed. This feature should be disabled if a self-controlled fan is attached to a chassis fan connector.

Overall system noise reduction will vary based on system configuration and environment.

Desktop Board Features

Suspend to RAM (Instantly Available PC Technology)

CAUTION

For Instantly Available PC technology, the 5 V standby line for the power supply must be capable of delivering adequate +5 V standby current. Failure to provide adequate standby current when using this feature can damage the power supply and/or effect ACPI S3 sleep state functionality.

Instantly Available PC technology enables the board to enter the ACPI S3 (Suspend-to-RAM) sleep state. While in the S3 sleep state, the computer will appear to be off. When signaled by a wake-up device or event, the system quickly returns to its last known awake state.

The desktop board’s standby power indicator, shown in Figure 2, is lit when there is standby power to the system. This includes the memory modules and PCI bus connectors, even when the computer appears to be off.

If the system has a dual-colored power LED on the front panel, the sleep state is indicated by the LED turning amber.

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Figure 2. Location of Standby Power Indicator

CAUTION

Power supplies used with this desktop board must be able to provide enough standby current to support the standard Instantly Available (ACPI S3 sleep state) configuration. If the standby current necessary to support multiple wake events from the PCI and/or USB buses exceeds power supply capacity, the desktop board may lose register settings stored in memory.

Resume on Ring

The operation of Resume on Ring can be summarized as follows:

•Resumes operation from either ACPI S1 or ACPI S3 state

•Requires only one call to access the computer

•Detects incoming call similarly for external and internal modems

•Requires modem interrupt be unmasked for correct operation

Wake from USB

USB bus activity wakes the computer from an ACPI S1 or S3 state.

NOTE

Wake from USB requires the use of a USB peripheral that supports Wake from USB.

Wake from PS/2 Keyboard/Mouse

PS/2 keyboard/mouse activity wakes the computer from an ACPI S1 or S3 state.

PME# Wakeup Support

When the PME# signal on the PCI bus is asserted, the computer wakes from an ACPI S1, S3, or S5 state.

Speaker

A speaker is mounted on the desktop board. The speaker provides audible error code (beep code) information during the Power-On Self-Test (POST). For a list of the beep codes, see Table 39 on page 81.

Battery

The battery on the desktop board keeps the values in CMOS RAM and the clock current when the computer is turned off. See page 43 in Chapter 2 for instructions on how to replace the battery.

Real-Time Clock

The desktop board has a time-of-day clock and 100-year calendar. The battery on the desktop board keeps the clock current when the computer is turned off.

2Installing and Replacing Desktop Board Components

This chapter tells you how to:

•Install the I/O shield

•Install and remove the desktop board

•Install and remove a processor and memory

•Install and remove an AGP card

•Connect the IDE and Serial ATA cables

•Connect internal headers

•Locate the add-in card and peripheral interface connectors

•Connect hardware control and power cables

•Set the BIOS configuration jumper

•Clear passwords

•Replace the battery

Before You Begin

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 board can continue to operate even though the front panel power button is off.

CAUTION

Many of the internal and front panel connectors provide operating voltage (+5 V dc and +12 V dc, for example) to devices inside the computer chassis, such as fans and internal peripherals. These connectors are not overcurrent protected. Do not use these connectors for powering devices external to the computer chassis. A fault in the load presented by the external devices could cause damage to the computer, the interconnecting cable, and the external devices themselves.

Intel Desktop Board D848PMB Product Guide

Follow these guidelines before you begin:

•Always follow the steps in each procedure in the correct order.

•Set up a log to record information about your computer, such as model, serial numbers, installed options, and configuration information.

•Electrostatic discharge (ESD) can damage components. Perform the procedures described in this chapter only at an ESD workstation using an antistatic wrist strap and a conductive foam pad. 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.

Installation Precautions

When you install and test the Intel desktop board, observe all warnings and cautions in the installation instructions.

To avoid injury, be careful of:

•Sharp pins on connectors

•Sharp pins on printed circuit assemblies

•Rough edges and sharp corners on the chassis

•Hot components (like processors, voltage regulators, and heat sinks)

•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.

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 chassis and associated modules. If the instructions for the chassis are inconsistent with these 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 chassis and module suppliers, you increase safety risk and the possibility of noncompliance with regional laws and regulations.

Ensure Electromagnetic Compatibility (EMC) Compliance

Before computer integration, make sure that the power supply and other modules or peripherals, as applicable, have passed Class B EMC testing and are marked accordingly.

In the installation instructions for the host chassis, power supply, and other modules pay close attention to the following:

•Product certifications or lack of certifications

•External I/O cable shielding and filtering

•Mounting, grounding, and bonding requirements

•Keying connectors when mating the wrong connectors could be hazardous

Installing and Replacing Desktop Board Components

If the power supply and other modules or peripherals, as applicable, are not Class B EMC compliant before integration, then EMC testing is required on a representative sample of the newly completed computer.

Chassis and Component Certifications

Ensure that the chassis and certain components; such as the power supply, peripheral drives, wiring, and cables; are components certified for the country or market where used. Agency certification marks on the product are proof of certification. Typical product certifications include:

•In Europe

The CE marking signifies compliance with all applicable European requirements. If the chassis and other components are not properly CE marked, a supplier’s Declaration of Conformity statement to the European EMC directive and Low Voltage directive (as applicable), should be obtained. Additionally, other directives, such as the Radio and Telecommunications Terminal Equipment (R&TTE) directive may also apply depending on product features.

•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. Wiring and cables must also be UL listed or recognized and suitable for the intended use. The FCC Class B logo for home or office use signifies compliance with electromagnetic interference (EMI) requirements.

•In Canada

A nationally recognized certification mark such as CSA or cUL signifies compliance with safety requirements. The Industry Canada statement at the front of this product guide demonstrates compliance with Canadian EMC regulations. Industry Canada recognizes and accepts FCC certification as denoting compliance with national electromagnetic interference (emissions) requirements.

Prevent Power Supply Overload

Do not overload the power supply output. To avoid overloading the power supply, make sure that the calculated total current loads of all the modules within the computer is less than the output current rating of each of the power supplies output circuits.

Place Battery Marking

There is insufficient space on this desktop board to provide instructions for replacing and disposing of the Lithium ion coin cell battery. For system safety certification, the following statement or equivalent statement is required to be permanently and legibly marked on the chassis near the battery.

CAUTION

Risk of explosion if the battery is replaced with an incorrect type. Batteries should be recycled where possible. Disposal of used batteries must be in accordance with local environmental regulations.

Use Only for Intended Applications

All Intel desktop boards are evaluated as Information Technology Equipment (I.T.E.) for use in personal computers for installation in homes, offices, schools, computer rooms, and similar locations. The suitability of this product for other applications or environments, such as medical, industrial, alarm systems, test equipment, etc. may require further evaluation.

Intel Desktop Board D848PMB Product Guide

Installing the I/O Shield

The desktop board comes with an I/O shield. When installed in the chassis, the shield blocks radio frequency transmissions, protects internal components from dust and foreign objects, and promotes correct airflow within the chassis.

Install the I/O shield before installing the desktop board in the chassis. Place the shield inside the chassis as shown in Figure 3. Press the shield into place so that it fits tightly and securely. If the shield doesn’t fit, obtain a properly-sized shield from the chassis supplier.

OM16288

Figure 3. Installing the I/O Shield

Installing and Replacing Desktop Board Components

Installing and Removing the Desktop Board

WARNING

Only qualified technical personnel should do this procedure. Disconnect the computer from its power source before performing the procedures described here. Failure to disconnect the power before you open the computer can result in personal injury or equipment damage.

NOTE

Refer to Appendix B for regulatory requirements.

Refer to your chassis manual for instructions on installing and removing the desktop board. Figure 4 shows the location of the six mounting holes for Desktop Board D848PMB.

OM16352

Figure 4. Location of Desktop Board Mounting Screw Holes

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