Third-party brands and names are the property of their respective owners.
Notice
Please do not remove any labels on motherboard, this may void the warranty of this motherboard.
Due to rapid change in technology, some of the specifications might be out of date before publication of this booklet.
The author assumes no responsibility for any errors or omissions that may appear in this document nor does the author make a
commitment to update the information contained herein.
Oct. 15, 2004
Mother Board
8I845GE-RZ
Oct. 15 ,2004
Motherboard
8I845GE-RZ
Preparing Your Computer
Computer motherboards and expansion cards contain very delicate Integrated Circuit (IC) chips. T o
protect them against damage from static electricity, you should follow some precautions whenever you
work on your computer.
1. Unplug your computer when working on the inside.
2. Use a grounded wrist strap before handling computer components. If you do not have one,
touch both of your hands to a safely grounded object or to a metal object, such as the power
supply case.
3. Hold components by the edges and try not touch the IC chips, leads or connectors, or other
components.
4. Place components on a grounded antistatic pad or on the bag that came with the components
whenever the components are separated from the system.
5. Ensure that the A TX power supply is switched off before you plug in or remove the ATX power
connector on the motherboard.
Installing the motherboard to the chassis
If the motherboard has mounting holes, but they don't line up with the holes on the base and there
are no slots to attach the spacers, do not become alarmed you can still attach the spacers to the
mounting holes. Just cut the bottom portion of the spacers (the spacer may be a little hard to cut off, so
be careful of your hands). In this way you can still attach the motherboard to the base without worrying
about short circuits. Sometimes you may need to use the plastic springs to isolate the screw from the
motherboard PCB surface, because the circuit wire may be near by the hole. Be careful, don't let the
screw contact any printed circuit write or parts on the PCB that are near the fixing hole, otherwise it
may damage the board or cause board malfunctioning.
CPUy Socket 478 for Intel® Pentium® 4 (Northwood, Prescott
with HT Technology
y Supports 533/400MHz FSB
y L2 cache varies with processors
Chipsety North Bridge:Intel® 845GE
y South Bridge:Intel® ICH4
Memoryy 3 184-pin DDR sockets
y Supports DDR333/DDR266 DIMMs
y Supports up to 2GB (Max.)
y Supports only 2.5V DDR SDRAM
Slotsy 1 AGP slot 4X (1.5V) device support
y 5 PCI slots
IDE Connectionsy 2 IDE connection (UDMA 33/ATA 66/ATA 100), allows connection of 4
IDE devices
FDD Connectionsy 1 FDD connection, allows connection of 2 FDD devices
Peripheralsy 1 parallel port supporting Normal/EPP/ECP mode
y 1 VGA port, 1 COMA port, onboard COMB connection
y 6 USB 2.0/1.1 ports (rear x 2, front x 4 via cable)
y 1 front audio connector
y 1 PS/2 keyboard port
y 1 PS/2 mouse port
y Supports Line In ; Line Out ; MIC In
y Supports 2 / 4 / 6 channel audio
y Supports SPDIF In/Out connection
y CD In/AUX In/Game Port
BIOSy Use of licensed AWARD BIOS
y Supports Q-Flash
*
*
(note 2)
(note 1)
) processor
to be continued......
(Note 1) Prescotts processors with up to 533MHz FSB are supported.
(Note 2) Due to (Intel 845PE/GE/GV) chipset architecture limitation, DDR333 memory modules are
supported only when you install a Pentium 4 processor with 533MHz FSB.
A Pentium 4 processor with 400MHz FSB will support DDR266 memory modules.
"*" For 8I845GE-RZ only.
Introduction- 5 -
I/O Controly IT8712
Hardware Monitory CPU / System fan speed detection
English
Additional Featuresy Supports EasyTune 4
Form Factory ATX form factor; 29.5cm x 21cm
y System voltage detection
y CPU temperature detection
y CPU/System fan fail warning
y CPU overheating warning
y Supports @BIOS
Please set the CPU host frequency in accordance with your processor's specifications.
We don't recommend you to set the system bus frequency over the CPU's specification
because these specific bus frequencies are not the standard specifications for CPU,
chipset and most of the peripherals. Whether your system can run under these specific
bus frequencies properly will depend on your hardware configurations, including CPU,
Chipsets, Memory, Cards….etc.
8I845GE-RZ Series Motherboard
- 6 -
8I845GE-RZ Series Motherboard Layout
English
KB_MS
COMA
VGA
LINE_OUT
LINE_IN
MIC_IN
USB
#
-C
LPT
Game
LAN*
CODEC
CD_IN
SUR_CEN
F_AUDIO
RTL8100C*
IT8712
CPU_FAN
ATX_12V
AUX_IN
SPDIF_IO
ATX
Socket 478
8I845GE-RZ
Intel 845GE
AGP
DDR1
DDR2
DDR3
FDD
CLR_CMOS
PCI1
PCI2
PCI3
PCI4
CI
COMB
F_USB1
PCI5
F_USB2
Intel ICH4
BIOS
F_PANEL
SYS _FAN
BAT
IDE2
IDE1
PWR_LED
"*" For 8I845GE-RZ only.
"#" For 8I845GE-RZ-C only.
Introduction- 7 -
Block Diagram
English
AGPCLK
(66MHz)
5 PCI
PCICLK
(33MHz)
AGP 4X
RTL8100C*
RJ45*
VGA Port
AC97 Link
AC97
CODEC
MIC
LINE-IN
Socket 478
Processor
Intel 82845GE
Intel ICH4
6 USB
Ports
LINE-OUT
Host
Interface
LPC BUS
24 MHz
ATA33/66/100
IDE Channels
CPUCLK+/- (100/133MHz)
266/333MHz
DDR RAM
GMCHCLK(66MHz)
HCLK+/- (100/133MHz)
66 MHz
33 MHz
14.318 MHz
48 MHz
BIOS
IT8712
33 MHz
Game Port
Floppy
LPT Port
COM
Ports
PS/2
KB/Mouse
"*" For 8I845GE-RZ only.
8I845GE-RZ Series Motherboard
- 8 -
Hardware Installation Process
To set up your computer, you must complete the following steps:
Step 1- Install the Central Processing Unit (CPU)
Step 2- Install memory modules
Step 3- Install expansion cards
Step 4- Install I/O Peripherals cables
Step 1
Step 2Step 4
English
Step 4
Step 4
Step 3
Step 1: Install the Central Processing Unit (CPU)
Before installing the CPU, please comply with the following conditions:
1. Please make sure that the motherboard supports the CPU.
2. Please take note of the one indented corner of the CPU. If you install the CPU
in the wrong direction, the CPU will not insert properly. If this occurs, please change
the insert direction of the CPU.
3. Please add an even layer of heat sink paste between the CPU and heatsink.
4. Please make sure the heatsink is installed on the CPU prior to system use, otherwise
overheating and permanent damage of the CPU may occur.
5. Please set the CPU host frequency in accordance with the processor specifications. It
is not recommended that the system bus frequency be set beyond hardware specifica
tions since it does not meet the required standards for the peripherals. If you wish to set
the frequency beyond the proper specifications, please do so according to your hard
ware specifications including the CPU, graphics card, memory, hard drive, etc.
HT functionality requirement content :
Enabling the functionality of Hyper-Threading Technology for your computer system requires all of the following platform components:
- CPU: An Intel® Pentium 4 Processor with HT Technology
- Chipset: An Intel® Chipset that supports HT Technology
- BIOS: A BIOS that supports HT Technology and has it enabled
- OS: An operation system that has optimizations for HT Technology
- 9 -Hardware Installation Process
Step 1-1: CPU Installation
English
Step 1-2: CPU Cooling Fan Installation
Socket
Actuation
Lever
Figure 1.
Pull the rod to the 90-degree directly.
Figure 2.
Locate Pin 1 in the socket and look for a (golden) cut edge on the
CPU upper corner. Insert the CPU into the socket. (Do not force the
CPU into the socket.) Then move the socket lever to the locked
position while holding pressure on the center of the CPU.
Figure 1.
Apply the thermal tape(or grease) to provide better heat conduction
between your CPU and cooling fan.
8I845GE-RZ Series Motherboard
Figure 2.
Fasten the cooling fan supporting-base onto the CPU socket on the
motherboard.
Figure 3.
Make sure the CPU fan is plugged to the CPU fan connector, and
then the installation is completed.
- 10 -
Step 2: Install Memory Modules
Before installing the memory modules, please comply with the following conditions:
1. Please make sure that the memory used is supported by the motherboard. It is recommended that memory of similar capacity, specifications and brand be used.
2. Before installing or removing memory modules, please make sure that the computer
power is switched off to prevent hardware damage.
3. Memory modules have a foolproof insertion design. A memory module can be
installed in only one direction. If you are unable to insert the module, please switch the
direction.
4. Because of chipset (Intel 845PE/GE) limitations, DDR333 memory modules are supported
only when you install a Pentium 4 processor with 533MHz FSB. A Pentium 4 processor with
400MHz FSB will support DDR266 memory modules.
The motherboard has 3 dual inline memory module (DIMM) sockets. The BIOS will automatically
detects memory type and size. To install the memory module, just push it vertically into the DIMM
socket. The DIMM module can only fit in one direction due to the notch. Memory size can vary between
sockets.
notch
English
Fig.1
The DIMM socket has a notch, so the DIMM memory module
can only fit in one direction. Insert the DIMM memory module
vertically into the DIMM socket. Then push it down.
Fig.2
Close the plastic clip at both edges of the DIMM sockets to lock
the DIMM module.
Reverse the installation steps when you wish to remove the
DIMM module.
- 11 -Hardware Installation Process
DDR memory module
Fig. 1
Fig. 2
Step 3: Install AGP Card
1. Read the related expansion card's instruction document before installing the expansion card into
English
2. Please make sure your AGP card is AGP 4X (1.5V).
3. Please carefully pull out the small white- drawable bar at the end of the AGP slot when you try to
Step 4: Install I/O Peripherals Cables
Step 4-1: I/O Back Panel Introduction
the computer.
install/ Uninstall the AGP card. Please align the AGP card to the onboard AGP slot and press firmly
down on the slot .Make sure your AGP card is locked by the small white- drawable bar.
AGP Card
*
PS/2 Keyboard and PS/2 Mouse Connector
To install a PS/2 port keyboard and mouse, plug the mouse to the upper port (green) and the keyboard
to the lower port (purple).
Parallel Port
The parallel port allows connection of a printer, scanner and other peripheral devices.
Serial Port
Devices like mouses, modems, and etc. can be connected to Serial port.
VGA Port
Monitor can be connected to VGA port.
Game/MIDI port
This connector supports joystick, MIDI keyboard and other related audio devices.
Line Out (Front Speaker Out)
Connect the stereo speakers, earphone or front surround channels to this connector.
"*" For 8I845GE-RZ only.
8I845GE-RZ Series Motherboard
- 12 -
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