INTEL 845 User Manual

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Intel 845 Chipset Family

Motherboard

USER’S MANUAL

Pentium® 4 Processors

Intel 845 Chipset Family Motherboard

Supporting Pentium 4 (Socket 478PIN) Series Processors

400MHz Front Side Bus

Intel® 845 Chipset

Welcome!

Congratulations on your purchase of this great value motherboard, with its range of special features and innovative onboard functions, built around the advanced architecture of the new Intel® 845 Chipset. More details will follow later in this manual.

Your User’s Manual

This User’s Manual is designed to help end users and system manufacturers to setup and install the motherboard. All of the information within has been carefully checked for accuracy. However, the manufacturer is not responsible or liable for any errors or inaccuracies, which this manual may contain. This includes references to products and software. In addition, the information and specifications are subject to change without prior notice.

Disclaimer

This manual is provided “as is” without any warranty of any kind, either expressed or implied, including–-but not limited to–-implied warranties, conditions of merchantability, or fitness for a particular purpose.

Trademarks

All brands, product names and trademarks mentioned in this document are the property of their respective owners or companies and are used solely for identification or explanation.

This manual may not, in whole or in part, be photocopied, reproduced, transcribed, translated or transmitted, in whatever form or language, without the written consent of the manufacturer, except for copies retained by the purchaser for personal archiving purposes.

Manual Version: 1.0

Release Date: November 2001

BIOS Upgrading Utility and Motherboard

Shield

BIOS Upgrading Utility—One Click is All it Takes!

We are proud to inform you that your new motherboard comes with a BIOS upgrading and motherboard protection utility. This BIOS updating program makes BIOS updating easy, and enhances the security and stability of systems built with your motherboard.

BIOS Upgrading Utility Features:

•Anti-Virus BIOS Protection – This motherboard comes with a new hardware monitoring function that can prevent any unauthorized BIOS updating caused by viruses. Only this BIOS upgrading utility can update the BIOS for this motherboard.

•BIOS Updating Confidence – Beyond preventing viruses, the BIOS upgrading utility allows BIOS updating with confidence. In the past, any failure or incorrect operation during BIOS updating could crash the whole system. Normally the user wouldn’t have the capability to retrieve and reestablish the system, they could only return the computer to the supplier for costly, time-consuming repairs. With the enhanced security of this BIOS upgrading utility, users of this motherboard can completely avoid these problems. No matter what happens during BIOS updating, the user’s system can still boot from the floppy drive, allowing the updating command to be executed again.

•One-Click, Online BIOS Updating – For users of Windows 9X/Me/2000/XP/NT 4.0, the BIOS upgrading utility allows you to use an innovative online updating technology.

Just one click can detect the BIOS version of your system, download the latest version, and execute all the updating commands automatically from the Internet. Restarting the computer completes the BIOS updating. This feature should be very handy for users who need to update BIOS repeatedly, especially MIS staff. The online BIOS updating program is included on the drivers CD-ROM included in the box with your motherboard. Following the step-by-step instructions, you can easily update or backup your BIOS. (If you have a different OS, see “Chapter 4 BIOS Upgrade” for your BIOS updating procedure.)

•Linear Overclocking – the BIOS upgrading utility also provides a linear overclocking function. Users can fine-tune the Front Side Bus (FSB) by increasing or reducing it by as little as 1.0MHz to find the optimum FSB setting for the system. Should the

FSB be set too high, the system can be returned to the default setting by pressing the

“INS” key.

	Table of Contents
CHAPTER 1 INTRODUCTION		1
1.1	Essential Handling Precautions ....................................................................................	1
1.2	Package Contents ........................................................................................................	3
1.3	Specifications and Features .........................................................................................	3
CHAPTER 2 HARDWARE INSTALLATION		5
2.1	Intel 845 Chipset Family Motherboard .........................................................................	5
2.2	Layout of Intel 845 Chipset Family Motherboard ..........................................................	7
2.3	Using Jumper JP3 to Clear CMOS...............................................................................	8
2.4	RAID/ATA100 Selection Jumper ..................................................................................	9
2.5	Floppy Disk Drive Connector ........................................................................................	9
2.6	Primary/Secondary IDE Connectors ..........................................................................	10
2.7	Fan Power Connectors ..............................................................................................	11
2.8	Memory Configuration ................................................................................................	12
2.9	Panel Connectors .......................................................................................................	14
2.10	Internal USB Port Connector ......................................................................................	15
2.11	Wake-on-LAN Connector ...........................................................................................	16
2.12	Internal Audio Connectors ..........................................................................................	16
2.13	Power Connectors .....................................................................................................	17
2.14	External Back Panel I/O Ports ...................................................................................	18
2.15	IrDA-Compliant Infrared Module Connector ...............................................................	19

CHAPTER 3 BIOS SETUP		20
3.1	BIOS Setup .......................................................................................................	20
3.2	The Main Menu .................................................................................................	20
3.3	Standard CMOS Features ................................................................................	22
3.4	Advanced BIOS Features .................................................................................	25
3.5	Advanced Chipset Features ..............................................................................	28
3.6	Integrated Peripherals.......................................................................................	30
3.7	Power Management Setup................................................................................	34
3.8	PnP/PCI Configuration Setup ............................................................................	38
3.9	PC Health Status ...............................................................................................	39
3.10	Frequency/Voltage Control ................................................................................	40
3.11	Load Fail-Safe Defaults ....................................................................................	42
3.12	Load Optimized Defaults ...................................................................................	42
3.13	Supervisor Password ........................................................................................	43
3.14	User Password .................................................................................................	44
3.15	Save & Exit Setup .............................................................................................	44
3.16	Exit Without Saving ...........................................................................................	45
CHAPTER 4 BIOS UPGRADE		46
4.1	How to Upgrade Your Motherboard BIOS .........................................................	46

1	INTRODUCTION

CHAPTER 1 INTRODUCTION

1.1 Essential Handling Precautions

IMPORTANT. Read this page before unpacking your motherboard!

•Power Supply

Be careful! Always ensure that the computer is disconnected from the power supply when working on the motherboard and its components. (The red power on LED lights when there is power reaching the motherboard.)

•Static Electricity

Static electricity may cause damage to the delicate integrated circuit chips on your motherboard. Before handling the motherboard outside of its protective packaging, ensure that there is no static electrical charge in your body. A static discharge sufficiently strong enough to damage computer components is not perceptible by a human. To avoid this risk, please observe these simple precautions while handling the motherboard and other computer components:

1.If possible, wear an anti-static wrist strap connected to a natural earth ground.

2.Touch a grounded or anti-static surface, or a metal fixture such as a pipe or the chassis of your system, before touching the motherboard.

3.When you have removed the motherboard from its anti-static packaging, try to hold it only by the edges, without touching any components.

4.Avoid contacting the components on add-on cards, motherboards, and modules with the gold-colored connectors which plug into the expansion slots.

5.It is safest to handle system components only by their mounting brackets.

6.Keep components which are not connected to the system in the anti-static packaging

whenever possible.

These precautions help to reduce the risk of static build-up and ensure any static discharge

is harmless to your equipment.

INTRODUCTION

•AGP Card Use Warning

If you are using this motherboard as a DIY (do-it-yourself) system upgrade, and you intend to transfer and use an older AGP card with this motherboard, please make sure your AGP card is 1.5V and supports the AGP2.0 standard. Intel has designed and manufactured the Intel 845 chipset's north bridge to only support 1.5V AGP cards. This chipset does not support older, 3.3V AGP cards. Use of a 3.3V AGP card in the AGP slot will damage the motherboard. If this motherboard is part of a completely new system, it is your system vendor's responsibility to be sure that the AGP card provided with the system is compatible with the Intel 845 chipset. If you are performing a DIY system upgrade and don't know the detailed specifications of your AGP card, please contact your AGP card vendor.

•Battery Replacement

The battery which holds the system settings memory (CMOS RAM) on your motherboard should not require replacement for at least five years, and probably much longer. The battery is located near the bottom of the motherboard as shown in the pictures in “2.1 Intel 845 Chipset Family Motherboard”. Incorrect computer time and/or loss of time may indicate a weak motherboard battery. Please replace your battery only with the same type, or a similar type recommended by the battery manufacturer. If the battery is replaced incorrectly, there is a risk of a short circuit or explosion. Used batteries should be disposed of in accordance with the manufacturer’s instructions and local environmental regulations.

•Electric Screwdrivers

To reduce the risk of damage to the motherboard due to excessive torque, avoid setting electric screwdrivers above 7.5 kg/cm.

3	INTRODUCTION

1.2 Package Contents

This motherboard package should contain the following items. Please check them as soon as you unpack. If you find any damaged or missing items, please contact your retailer.

•Intel 845 Chipset Family Motherboard

•1 x CD-ROM

•1 x FDD cable

•User’s Manual

•1 x Ultra DMA 66/100 cable

1.3 Specifications and Features

•CPU

−Supports Intel® Pentium 4 Socket 478 CPUs

•Chipset

−Intel® 845(MCH) or 845D(MCH)

•DRAM Memory (845D DDR Chipset Motherboard)

−Supports 200/266MHz Double Data Rata SDRAM

−2 x 184-pin DIMM module slots onboard

−32MB~2GB memory capacity

−64/128/256/512MB/1GB

−64 data bits structure only (72 bit with ECC)

•DRAM Memory (845 Chipset Motherboard)

−Supports 133MHz Synchronous DRAM

−3 x 168-pin DIMM module slots onboard

−32MB~3GB memory capacity

−64/128/256/512MB/1GB

−64 data bits structure only (72 bit with ECC)

•I/O Bus Slots

−5 x Master/Slave PCI Bus slots (PCI 2.2 compliant)

−1 x CNR (Communication and Networking Riser) slot

•Award BIOS

−Supports PC99, Plug-and-Play

−Supports ACPI, APM, DMI, Green Features

INTRODUCTION

•I/O Functions

−Supports PIO Mode 3, 4, 5 ATAPI devices and Ultra DMA/33/66/100

−Supports 2 high speed UART 16550 COM ports

−Supports 4 USB (Universal Serial Bus) ports

−Supports Line-out, Line-in and MIC-in jacks

−Supports Game/MIDI port

−Supports SPP/EPP/ECP LPT port

−Supports 1.44/2.88MB floppy disk drives

−Supports PS/2 Mouse and PS/2 Keyboard

−Supports IrDA port

−Optional 10/100 Mbps LAN port

−Optional IDE RAID 0,1 Function

•Switching Voltage Regulator

−Intel VRM 9.0 compliant

•Other Features

−Year 2000 compliant

−Power failure resume

−FWH (Firmware Hub) supports security manageability

−BIOS Virus protection (warning)

−PS/2 Mouse and Keyboard Wake-Up

−Supports Wake-on-LAN function

−Remote Ring Wake-Up

−Time Wake-Up

−Board voltage monitors for CPU core, +3.3V, +/-5.0V, +/-12.0V, VBAT, 5VSB

−CPU overheat alarm

−CPU fan auto-off in suspend mode

•PCB Dimensions

−ATX form factor, 4-layer PCB, 24.5cm x 30.5cm (9.6-inch x 12-inch)

5 HARDWARE INSTALLATION

CHAPTER 2 HARDWARE INSTALLATION

2.1 Intel 845 Chipset Family Motherboard

(1) 845D DDR Chipset Motherboard

Back Panel I/O Ports

·Game/MIDI port & Audio Jacks (Line-out, Line-in, MIC-in)

·2 x Serial ports & Parallel printer port

·1 x LAN port(optional), 2 x USB ports

· PS/2 KB & PS/2 Mouse ports

AC97 CODEC

Audio Connectors

·CD1_IN1 (White)

·CD2_IN2 (Black)

·AUX_IN (White)

LPC Super I/O

USB3/4 Connector

WOL Header

· Wak e o n LAN

IrDA Header

CPU

·Pentium 4 Socket 478pin CPU

Power-Connectors

· P W R 1 , P W R 2 , P W R 3

Main Memory

·2 x 184pin DDR Module

·Up to 2GB

Intel 845 chipset

·Intel 845(MCH): FSB 400MHz

PCI IDE Connectors

·Bus Master

·PIO Mode 3/4/5

·DM A Mod e 2

·Ultra DMA/33/66/100

Expansion Slots

· 1 x AGP Pro Slot

· 5 x PCI Slots

· 1 x CNR Slot

FDD Connector

·Floppy Disk Drive Connector

IDE RAID Connectors

· RAID 0,1

· Ultra DMA 33/66/100 (optional)

Panel Connectors

SYS-FAN

IDE RAID Chip

(optional)

HARDWARE INSTALLATION

(2) 845 Chipset Motherboard

Back panel I/O ports

·Game/ MIDI port & Audio Jacks (Line-out, Line-in, MIC-in)

·2 x Serial ports & Parallel printer port

·2 x USB ports, 1 x LAN port (optional)

·PS/2 KB & PS/2 Mouse ports

AC97 CODEC

Audio Connectors

LPC Super I/O

USB3/4 Connector

WOL Header

· Wak e o n LAN

IrDA Header

CPU

·Pentium 4 Socket 478pin CPU

Power-Connectors

· PWR1, PWR2, PWR3

Main Memory

·3 x 168-pin SDRAM DIMM

·Up to 3GB

Intel 845 chipset

·Intel 845(MCH): FSB 400MHz

PCI IDE Connectors

·Bus Master

·PIO Mode 3/4/5

·DM A Mod e 2

·Ultra DMA/33/66/100

Expansion Slots

·1 x AGP Pro Slot

·5 x PCI Slots

·1 x CNR Slot

FDD Connector

· Floppy Disk Drive Connector

IDE RAID Connectors

·RAID 0,1

·Ultra DMA 33/66/100 (optional)

SYS-FAN

IDE RAID Chip

(optional)

7 HARDWARE INSTALLATION

2.2 Layout of Intel 845 Chipset Family Motherboard

	K B			P W 2	P W R _ F A N	P W 3
	M O U S E			P W 2	P W R _ F A N	P W 3
	M O U S E
	USB
	T:Port 1			P W 1
	B:Port 2			P W 1
O M A		Socket 478
C	T	Socket 478
C	T
C O M B	L P			M C H	Memory
Audio				M C H	Main	IDE2 IDE1
Audio					Main
+
Game		CPU - FAN
Game
			AGP Pro
CD1_IN1			PCI Slot1	JP5		JP3
CD1_IN1			PCI Slot1		ICH2
					ICH2
	CD2_IN2					F W H
			PCI Slot2			F W H
			PCI Slot2
	AUX_IN				F D C
			PCI Slot3	Battery	F D C
			PCI Slot3	Battery
					IDE4
	U S B 2		PCI Slot4
	U S B 2
	IR			RAID	IDE3
			PCI Slot5	RAID
			PCI Slot5
			SYS _ FAN		Red _ LED
	W O L	C N R	SYS _ FAN	JP10		P A N E L
	W O L	C N R		JP10		P A N E L

HARDWARE INSTALLATION

2.3 Using Jumper JP3 to Clear CMOS

To clear the CMOS data, you should turn off your computer’s power and put Jumper JP3 in the

Clear CMOS position as shown below for at least 10 seconds. Return the jumper to NORMAL and reboot.

(1) 845D DDR Chipset Motherboard

JP3

N O R M A L

Clear CMOS

Clear CMOS Jumper

(2) 845 Chipset Motherboard

d n e c s n a r T

JP3

N O R M A L

Clear CMOS

Clear COMS Jumper

9 HARDWARE INSTALLATION

2.4 RAID/ATA100 Selection Jumper (JP10) (Optional)

The optional onboard Promise IDE RAID controller features 2 additional ATA 100 channels or

RAID (Redundant Array of Independent Disks). JP10 is used for ATA100 or RAID mode selection.

JP10

ATA-100

R A I D

RAID/ATA100 Selection

2.5 Floppy Disk Drive Connector (34-pin FDC)

This connector supports up to two floppy disk drives (FDDs). A FDD ribbon cable is provided in your motherboard package. After connecting the single end to the board, connect the plug(s) at the other end to the FDD(s). Remember, the red stripe on the edge of the ribbon cable must be the nearest to PIN1 or your connection won’t work.

F D C

PIN1

Floppy Disk Drive Connector

HARDWARE INSTALLATION

2.6 Primary/Secondary IDE Connectors (Two 40-pin IDE)

The standard configuration of the 845 Chipset Family Motherboard supports two 40-pin IDE connectors marked as IDE1 (primary channel) and IDE2 (secondary channel). Each channel supports two IDE devices for a total of four devices. However, the optional IDE RAID controller comes with additional two IDE connectors (IDE3/primary and IDE4/secondary). These two channels support up to four more IDE devices. Connect the main HDD, if you are using more than one, to the “Master” connector (at the end of the cable) and connect it to IDE1 (or IDE3 if using RAID function) (see important note below). If your HDD supports Ultra DMA/66/100, the 80-wire cable must be used or the HDD won’t be able to reach the faster speed. If you intend to operate two IDE devices from the same channel, one device must be set to “Master” mode, the other to “Slave” mode. A HDD, CD ROM or other IDE device can have either setting depending on the device’s jumper. Refer to the device’s manual for more information.

NOTE: The connectors must be attached to the IDE channels in the correct direction. Make sure that the red stripe on one edge of the ribbon cable (this may be faint and could also be a dotted line) is nearest to PIN1 (on the left for IDE1 and IDE 2 and at the top for IDE3 and IDE4 as the motherboard is shown in the following pictures).

PIN1 IDE

Secondary IDE Connector

IDE2