Copyright 2006. All rights reserved. This document is copyrighted and all rights are
reserved. The information in this document is subject to change without prior notice to make
improvements to the products.
This document contains proprietary information and protect ed by copyright. No part of this
document may be reproduced, copied, or translated in any form or any means without prior
written permission of the manufacturer.
All trademarks and/or registered trademarks contains in this document are propert y of their
respective owners.
Disclaimer
The company shall not be liable for any incidental or consequenti al damages res ultin g from
the performance or use of this product.
The company does not issue a warranty of any kind, e xpress or implied, including without
limitation implied warranties of merchantability or fitness for a particular purpose.
The company has the right to revise the manual or include changes in th e specifications of
the product described within it at any time without notice and without obligation to notify any
person of such revision or changes.
Trademark
All trademarks are the property of their respective holders.
Any questions please visit our website at Hhttp://www.commell.com.tw.
2
P4LA User’s Manual Packing List
Packing List
Please check package component before you use our products.
Hardware:
P4LA industrial motherboard x 1
Cable Kit:
I/O Shield x 1
40-pin ATA100 IDE flat cable x 1
Serial ATA ribbon cable x 2
COM port Cable x 1
RAID drivers Disc for Windows 2000,
Windows XP and Windows Server 2003
Other Accessories:
Divers CD (including User’s Manual) x 1
User’s Manual x 1
P4LA is the motherboard with last Intel desktop technology with industrial motherboard
form factor. Based on Intel® 945G and ICH7R, the board integrates a new Pentium 4
processor 775-pin socket, DDR2 memory slot, Intel® Graphic Media Accelerator 950
technology, PCI express interface and Serial ATA II with RAID function for a powerful
desktop system.
Intel® LGA775 processor
The Intel® Pentium 4 processor now comes with a new form factor with 775-pin PLGA
package, for 533/800/1066MHz front-side-bus, 2MB L2 cache, and for 90nm manufacturing
technology, the PLGA processor without pin header on solder side can make user installing
the processor on the socket easier.
Intel® 945G and ICH7R chipset
The Intel 945G integrates DDR2 400/533/667MHz for memory, and Graphic Media
Accelerator (GMA) 950 technology for new graphic engine. It can provide up to 224MB of
frame buffer when you install over 256MB of system memory. The ICH7R integrates with up
to 8 USB2.0 interfaces (8 ports for P4LA), and serial ATA II interface with RAID function.
One Marvell E8053
One Gigabit LAN with Marvell E8053, P4LA comes with a powerful network function for the
system that requires large transfer data of NAS system or Server platform.
PCI-Express interface
P4LA integrates one x16, x4 and x1 PCI-Express interface, it can provide up to 8GB/s of
bandwidth, which AGP 8x can only provide up to 2GB/s.
Multimedia interfaces
P4LA also integrates 7.1 channel HD audio, PCI-Express, PCI and ISA interface, for these
flexible function, system integrator can built more powerful systems for many applications.
Product Overview 7
P4LA User’s Manual Introduction
1.2 <Product Specification>
General Specification
Form Factor Industrial motherboard
CPU Intel® Pentium 4/Pentium D/ Celeron D/ Core 2 Duo
processor with LGA775 socket
Package type: 775 pin PLGA
Front side bus: 533/800/1066MT/s (133/200/266MHz x 4)
Intel® Hyper-Threading Technology and Dual Core supported
Memory 4 x 240-pin DDR2 400/533/667MHz SDRAM up to 3GB
Dual-Channel technology supported
Unbufferred, none-ECC memory supported only
Chipset Intel® 945G (Northbridge) and ICH7R (Southbridge)
BIOS Phoenix-Award v6.00PG 4Mb PnP flash BIOS
Green Function Power saving mode includes doze, standby and suspend modes.
ACPI version 1.0 and APM version 1.2 compliant
Watchdog Timer System reset programmable watchdog timer with 1 ~ 255
sec./min. of timeout value
Real Time Clock Intel® ICH7R built-in RTC with lithium battery
Enhanced IDE Enhanced IDE interface supports dual channels and up to 2
ATAPI devices at Ultra DMA100
One 40-pin IDE port onboard
Serial ATAII Intel® ICH7R integrates 4 Serial ATA II interface
Chipset Intel® 82801GR ICH7R with Winbond® W83627THG controller
Serial Port Five internal RS-232 and one external RS-232 serial port
USB Port Eight Hi-Speed USB 2.0 ports with 480Mbps of transfer rate
Parallel Port One LPT port on rear I/O panel
Floppy Port One Floppy port
IrDA Port One IrDA compliant Infrared interface supports SIR
K/B & Mouse External PS/2 keyboard and mouse ports on rear I/O panel
GPIO One 12-pin Digital I/O connector with 8-bit programmable I/O
interface
Smart Fan One CPU fan connectors for fan speed controllable
VGA Display Interface
Chipset Intel® 945G GMCH (Graphic Memory Controller Hub)
Core Frequency 400MHz
Memory Intel® DVMT 3.0 with up to 224MB shared with system memory
Display Type CRT, LCD monitor with analog display
Connector External DB15 female connector on rear I/O panel
Product Specification 8
P4LA User’s Manual Introduction
Ethernet Interface
Chipset 10/100/1000MT LAN interface with Marvell E8053
Type 10Base-T / 100Base-TX/1000Base-T,
auto-switching Fast Ethernet
Full duplex, IEEE802.3U compliant
Connector one External RJ45 connectors with LED on rear I/O panel
Audio Interface
Chipset Intel® ICH7R with Realtek® ALC880 codec
Intel High Definition Audio compliance
Interface 7.1 channels sound output
Connector External Audio phone jack for Line-out, Line-in, MIC-in,
Surround, Center and Backsurround
Onboard audio connector with pin header (built-in amplifier for
speaker out)
Onboard CD-IN and S/PDIF connector
Expansive Interface
PCI-Express One x16 PCI-Express slot (compatible with x1 slot)
One x4 PCI-Express slot
One x1 PCI-Express slot
Up to 8GB/s of transfer bandwidth
Power supply: +3.3V, +12V
PCI Four-PCI slot (32-bit, 33MHz)
Power supply: +3.3V, +5V
ISA One ISA slot
Power and Environment
Power
Requirement
Standard ATX 24-pin (20-pin is compatible) power supply
Additional +12V8-pin(4-pin is compatible) power connector
Dimension 307mm x 244mm (L x W)
Temperature Operating within 0 ~ 60oC (32 ~ 140oF)
Storage within -20 ~ 85
o
C (-4 ~ 185oF)
Ordering Code
P4LA Support Intel Pentium 4 LGA775 with DDRII, Onboard VGA, One
Marvell Gigabit LAN ,8 x USB2.0, Realtek ALC880 HD Audio, 6 x
COM Ports, GPIO, SATA, CF and ISA slot.
The specifications may be different as the actual production.
For further product information please visit the website at
http://www.commell.com.tw
Product Specification 9
P4LA User’s Manual Introduction
p
A
1.3 <Component Placement>
ATX
DIMM
CF
COM port
SATA II
PCI
PS2
Serial
LPT
ort VGA
PCI-Express
LAN
udio
ISA DOC
Component Placement 10
P4LA User’s Manual Introduction
r
1.4 <Block Diagram>
Intel Pentium 4 with 775 pin PLGA processo
6.4GB/s
Intel GMA950 Graphics
PCI-Express 16x
SMBus 2.0
8 x USB2.0 ports
1 x IDE
ALC 880 AC977.1CH Codec
6 x Serial ports
8GB/s
Intel 945G
GMCH
2GB/s DMI
ICH7R
4 x 240-pin DDR2
400/533/667MHz
up to 3GB
300MB/s
4 x PCI bus
4 x Serial ATA II ports
1 x Marvell E8053
Gigabit LAN
4x & 1x PCI-Express
1 x Floppy port
BIOS
8-bit GPIO
1 x LPT Port
1 x ISA bus
Block Diagram 11
P4LA User’s Manual Introduction
1.5 <Mechanical Drawing >
12
Mechanial Drawing
P4LA User’s Manual Hardware Setup
Chapter 2 <Hardware Setup>
2.1 <Connector Location>
ATX
IDE1 FDD
CF
JP2
JCSEL1 JCSEL2
SYSFAN
JFRNT
CN_ Audio
CN_DIO
CPUFAN
CN_12V JP1
CD_ SPDIF IN
NBFAN CN_SMBUS
DOC
JDOC
JRTC
CN_USB1/2
CN_IR
ISA
Connector Location
13
P4LA User’s Manual Introduction
2.2 <Jumper Reference>
Jumper Function
JRTC CMOS Operating/Clear Setting
JCFSEL Compact Flash Address Setting
JCSEL1 Setting RS232/422/485
JCSEL2 Setting RS232/422/485
JDOC Setting address
JP1 Setting COM Port Voltage
JP2 Setting COM Port Voltage
JCFSEL JP2 JCSEL1
JRTC
JCSEL2
JP1
JDOC
Jumper Reference 14
P4LA User’s Manual Hardware Setup
2.3 <Connector Reference>
2.3.1 <Internal Connectors>
Connector Function Remark
CPU LGA775 CPU socket Standard
DDRII1/2/3/4 240 -pin DDR2 SDRAM DIMM socket Standard
IDE1 40-pin primary IDE connector Standard
FDD 34-pin floppy connector Standard
S_ATAII1/2/3/4 7-pin Serial ATA II connector Standard
ATX 24-pin power supply connector Standard
CN_12V 8-pin +12V additional power supply connector Standard
CN_AUDIO 5 x 2-pin audio connector Standard
CDIN 4-pin CD-ROM audio input connector Standard
CN_DIO 6 x 2-pin digital I/O connector Standard
CN_USB1/2 10-pinUSB connector Standard
CPUFAN 4-pin CPU cooler fan connector Standard
SYSFAN 3-pin system cooler fan connector Standard
NBFAN 3-pin Northbridge cooler fan connector Standard
CN_IR 5-pin IrDA connector Standard
CN_SMBUS 4-pin I2C connector Standard
JFRNT 14-pin front panel switch/indicator connector Standard
SPDIF Digital audio optical interface Standard
DOC 32-pin DiskOnChip Socket Standard
2.3.2 <External Connectors>
Connector Function Remark
VGA DB15 VGA connector Standard
USB Dual USB Port Standard
COM DB7 Serial port connector Standard
PS2 PS/2 Keyboard/Mouse connector Standard
AUDIO Audio connectors Standard
USB_RJ45_A/B Dual USB and RJ45 LAN connector Standard
Connector Reference 15
P4LA User’s Manual Introduction
f
2.4 <CPU and Memory Setup>
2.4.1 <CPU installation>
P4LA has a LGA775CPU socket onboard; please check following steps to install the
processor properly.
Attention If P4LA need RMA, please Keep CPU socket cover on the CPU Socket.
Warring If CPU Socket internal Pin damage, We could not provide warranty.
Intel® Pentium 4 processor
Package type: 775 pin PLGA
L2 Cache: Up to 2M
FSB: 533/800/1066MHz (266MHz x 4)
Manufacturing: 90nm
Intel Hyper Threading Technology
1. Lift this bar
And Dual core support
Check point
3. Place the CPU on the top o
2. Uncover this plate
4. Lock this bar
Notice: Please place the CPU on the pins tenderlyto avoid bending the pins
the pins
3. Cover this plate
CPU Installation 16
P4LA User’s Manual Hardware Setup
2.4.2 <Memory installation>
P4LA has Four 240-pin DDR2 DIMM support up to 3GB of memory capacity. The memory frequency supports 400/533/667MHz .Only Non-ECC memory is supported. Dual-Channel
technology is supported while applying two same modules.
Please check the pin number to match the socket side well
before installing memory module.
Memory Installation 17
P4LA User’s Manual Introduction
3
2.5 <CMOS Setup>
The board’s data of CMOS can be setting in BIOS. If the board refuses to boot due to
inappropriate CMOS settings, here is how to proceed to clear (reset) the CMOS to its
default values.
Jumper: JRTC
Type: Onboard 3-pin jumper
JRTC Mode
1-2 Clear CMOS
2-3 Normal Operation
Default setting
1
JRTC
CMOS Setup 18
P4LA User’s Manual Hardware Setup
2.6 <Enhanced IDE interface>
The Intel® ICH7R (south bridge chip) supports one enhanced IDE i nterface, dual channel
for two ATAPI devices with ATA100. Based on this function, P4LA has one 40-pin IDE
connector with jumper selectable for pin-20 +5V supported.
The board supports 32-pin
DiskOnChip2000 single chip flash disk in 32-pin DIP JEDEC with jumper selectable address
on jumper JDOC.
Jumper: JDOC
Type: onboard 3-pin header
JDOC DiskOnChip Address
1-2 D800h
2-3 D000h
Default setting
Jumper: JCFSEL
Type: onboard 3-pin header
JCFSEL Compact Flash Address Setting
1-2 Master
2-3 Slave
Default setting
DiskOnChip 2000 . The onboard 32-pin socket, DOC, suppor ts
IDE1
DOC
3
JDOC
1
3
JCFSEL
1
JDOC
Enhanced IDE Interface 19
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