Acorp 6A815EPQ User manual

The information presented in this publication has been
made carefully for reliability; however, no responsibility
is assumed for inaccuracies. Specifications are subject
to change without notice.
IBM, PC/AT, and PC/XT are trademarks of Interna-
tional Business Machines Corporation.
Socket370 is a trademark of Intel Corporation
AWARD is a registered trademark of Phoenix
Software Inc.
MS-DOS and WINDOWS NT are registered trade-
marks of Microsoft Corporation.
Trademarks and/or registered trademarks are the
properties of their respective owners.
User's Manual Version 1.0
6A815EPQ
i

Table of Contents
IntrnctctinnIntrnctctinn
IntrnctctinnIntrnctctinn
Intrnctctinn
1. Mnthdranarc Ddrcriotinn1. Mnthdranarc Ddrcriotinn
1. Mnthdranarc Ddrcriotinn1. Mnthdranarc Ddrcriotinn
1. Mnthdranarc Ddrcriotinn
1.1 Fdattrdr
1.1.1 Harcward 1-1
1.1.1Snetward 1-4
1.1.3 Attachmdntr1-4
1.1Mnthdranarc Inrtallatinn
1.1.1 Mnthdranarc Mao1-5
1.1.1Mnthdranarc Layntt1-6
1.3 Mnthdranarc Cnnndctnrr
1.3.1 Frnnt Pandl Cnnndctnr(J7(1-8
1.3.1Flnooy Dirk Cnnndctnr(FDD1(1-9
1.3.3 Harc Dirk Cnnndctnrr(IDD1.IDD1( 1-9
1.3.4 ATW 10-oin Pnwdr Cnnndctnr(PW1(1-10
1.3.5 Inerardc Cnnndctnr1-10
1.4 Back Pandl Cnnndctnrr
1.4.1 PS.1 Mntrd.Kdyanarc CNMM.1-11
1.4.1USB Cnnndctnrr1-11
1.4.3 VGA Intdreacd Cnnndctnr1-11
1.5 Sdrial anc Paralldl Intdreacd onrtr1-13
1.6 CPU Inrtallatinn
1.6.1 CPU Inrtallatinn Prnctct(Snckdt 370(1-15
1.7 Jtmodr Sdtting
1.7.1 CPU Fan Cnnndctnrr(FAM1.1.3(1-16
1.7.1BINS Flarh(JP4(1-17
1.7.3 Kdyanarc wakd to Sdtting(JP7(1-17
1.7.4 CMNS Ftnctinn Sdtting(JP6(1-17
1.7.5 CMR Carc Sdtting(J8(1-18
1.7.6 STR LDD(LDD1(1-18
1.7.7 IrDA Cnnndctnr(IR(1-18
ii

Table of Contents
1.8 DRAM Inrtallatinn
1.8.1 DIMM 1-19
1.8.1Hnw tninrtall aDIMM Mnctld 1-19
1. BINS Sdtto1. BINS Sdtto
1. BINS Sdtto1. BINS Sdtto
1. BINS Sdtto
1.1 Main Mdnt1-4
1.1Stancarc CMNS Fdattrdr1-7
1.3 Acuancdc BINS Fdattrdr1-10
1.4 Acuancdc Chiordt Fdattrdr1-14
1.5 Intdgratdc Pdriohdralr1-17
1.6 Pnwdr Managdmdnt Sdtto1-13
1.7 PnP.PCI Cnneigtratinnr1-17
1.8 PC Hdalth Stattr 1-31
1.9 Frdqtdncy.Vnltagd Cnntrnl1-33
1.10 Lnac Fail-Saed Ddeatltr1-34
1.11 Lnac Notimizdc Ddeatltr1-35
1.11Sdt Stodruirnr.trdr Parrwnrc 1-36
1.13 Saud & Dxit Sdtto1-38
1.14 Dxit Withntt Sauing 1-39
3. Driudr Inrtallatinn3. Driudr Inrtallatinn
3. Driudr Inrtallatinn3. Driudr Inrtallatinn
3. Driudr Inrtallatinn
3.1 Attn-rtn Mdnt3-1
3.1Inrtalling Intdl IMF Driudr 3-1
3.3 Inrtalling UltraATA Driudr 3-4
3.4 Inrtalling Harcward Mnnitnring Utility 3-5
3.5 Inrtalling Dary Nudr Clnck Driudr 3-6
iii

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Introduction
System Overview
This manual was written to help you start using this product
as quickly and smoothly as possbile. Inside, you will find
the answers to solve most problems. In order for this
reference material to be of greatest use, refer to the
“expanded table of contents” to find relevant topics.
This board provides a total PC solution by incorporating the
System , I/O , and PCI IDE. The mainboard is designed for
Intel PIII/Celeron/Coppermine processors base PC ATX
system, support single processors with CNR Bus, PCI Local
Bus, and AGP Bus to support upgrades to your system
performance. It is ideal for multi-tasking and fully supports
MS-DOS, Windows, Windows NT , Windows ME,
Windows 2000 , Novell, OS/2, Windows95/98 , UNIX ,
Windows 98SE , SCO UNIX etc.
This manual also explains how to install the mainboard for
operation, and how to setup your CMOS configuration with
the BIOS setup program.

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1.Motherboard Description
1.1 Features
1.1.1 Hardware
CPU
-Socket 370 for Intel Celeron/PIII Processors.
-Intel FC-PGA/FC-PGA2/PPGA Celeron Processors
600MHz~900MHz or higher processor with 66/100MHz
FSB.
-Intel Pentium III Processors 500MHz~1.13GHz with 100/
133MHz FSB.
-VIA Cyrix III Processor with 100/133MHz FSB.
-Intel Tualatin Processor with 1.13GHz or higher processor.
Chipset
-North Bridge System Chipset : Intel 815 B-step support
66/100/133 FSB.
-South Bridge System Chipset : Intel ICH2.
Biggest memory capacity
6A815EPQ is equipped with three DIMM socket to sup-
port (8MB to 512MB) 168 pin 3.3v SDRAM SPD(Special
Presence Detect).
Maximum memory up to 512MB.
-Supports up to 3 double sided DIMMs at 100MHz
system memory bus.
-Supports up to 2 double sided or 3 single sided
DIMMs at 133MHz system memory bus.
Bus Slot
-Provides five 32 bit PCI slots.
-Provide one AGP slot and one CNR slot.
AGP for fast VGA solution
-AGP specification compliant.
-AGP 66 MHz 3.3v for 1X/2X/4X device support.

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On-Board IDE
-An IDE controller on the ICH2 chipset provides IDE HDD/
CD-ROM with PIO, Bus Master and Ultra DMA 33/66/
100 operation modes.
-Can connect up to four IDE devices.
On-Board Peripherals
-1 floppy port supports 2 FDD with 360K,720K,1.2M,
1.44M and 2.88M byte.
-2 serial ports (COM1+COM2(10 pin) ).
-4 USB ports.
-1 parallel port supports SPP/EPP/ECP mode.
BIOS
-The mainboard BIOS provides “Plug & Play” BIOS which
detects the peripheral devices and expansion cards of the
board automatically.
-The mainboard provides a Desktop Management Interface
(DMI) function which records your mainboard
specifications.
-BIOS support CD-ROM, SCSI, LAN BOOT, Temperature
sensor, Wake on modem, Alarm Bus CLK setup with
BIOS.
Support Ring on by modem/Alarm on
Support System power up from Modem ring up or timer of
System. Required enabled in Ring on by modem and Alarm
on in BIOS.
Intel Accelerated Hub Architecture :
Features a dedicated high speed hub link between the ICH2
and GMCH with a bandwidth of 266MB/sec-twice the maxi-
mum bandwidth of the PCI bus.
Hardware Monitor Function
-CPU Fan Speed Monitor.
-System and CPU Temperature Monitor.
-System Voltage Monitor.

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Suspend and Go :
Suspend-to-RAM (STR) provides maximum power sav-
ings as an alternative to leaving the computer ON and
Quickstart so that you do not have to wait for a long time
for system boot.
CNR Support :
One Communication and Networking Riser(CNR) slots
provide interface to support very affordable multichannel
audio, V.90 analog modem, Home PNA, 10/100 Ethernet
networking,USB hub, as well as future technologies such
as XDSL .
1.1.2 Software
BIOS
-AWARD legal BIOS.
-Supports APM 1.2.
-Supports USB Function.
-Supports ACPI.
Operation System
-Supporting the highest performance for MS-DOS, Windows,
Windows NT, Windows ME, Windows 2000, Novell, OS/2,
Windows95/98, Windows 98SE, UNIX, Linux SCO UNIX
etc.
1.1.3 Attachments
-HDD UDMA66/100 Cable.
-FDD Cable.
-Flash Memory Written for BIOS Update.
-COM2 Cable.
-Fully Setup CD Driver built in Utility(Ghost, Anitivirus,
Adobe Acrobat).
-This manual.

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1.2 Motherboard Installation
1.2.1 Motherboard Map

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1.2.2 Motherboard Layout
USB1
COM1
AGP1
Printer
IR
FAN1
JP6
FAN3
Intel
PCI SLOT2
PCI SLOT1
PCI SLOT3
PCI SLOT4
PCI SLOT5
CNR SLOT
J7
1
FAN2
JP4
BIOS
I/O CHIP
LAN CHIP
JP7
LED1
COM2
Optional
Intel

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1.3 Motherboard Connectors
1.Babk OandkI.O Cnnndbsnrr1.Babk OandkI.O Cnnndbsnrr
1.Babk OandkI.O Cnnndbsnrr1.Babk OandkI.O Cnnndbsnrr
1.Babk OandkI.O Cnnndbsnrr1.IR Cnnndbsnr1.IR Cnnndbsnr
1.IR Cnnndbsnr1.IR Cnnndbsnr
1.IR Cnnndbsnr
3.Frnns USB1Cnnndbsnr3.Frnns USB1Cnnndbsnr
3.Frnns USB1Cnnndbsnr3.Frnns USB1Cnnndbsnr
3.Frnns USB1Cnnndbsnr 4.Frnns OandkCnnndbsnr4.Frnns OandkCnnndbsnr
4.Frnns OandkCnnndbsnr4.Frnns OandkCnnndbsnr
4.Frnns OandkCnnndbsnr
5.FanCnnndbsnrr(Fan1.1.3(5.FanCnnndbsnrr(Fan1.1.3(
5.FanCnnndbsnrr(Fan1.1.3(5.FanCnnndbsnrr(Fan1.1.3(
5.FanCnnndbsnrr(Fan1.1.3(6.Fknooy Cnnndbsnr6.Fknooy Cnnndbsnr
6.Fknooy Cnnndbsnr6.Fknooy Cnnndbsnr
6.Fknooy Cnnndbsnr
7.ICD Cnnndbsnrr7.ICD Cnnndbsnrr
7.ICD Cnnndbsnrr7.ICD Cnnndbsnrr
7.ICD Cnnndbsnrr8.ATX Onwdr Cnnndbsnr8.ATX Onwdr Cnnndbsnr
8.ATX Onwdr Cnnndbsnr8.ATX Onwdr Cnnndbsnr
8.ATX Onwdr Cnnndbsnr
9.STR LDC(LDC1(9.STR LDC(LDC1(
9.STR LDC(LDC1(9.STR LDC(LDC1(
9.STR LDC(LDC1(10.CNR Carc Sdsshng(J8(10.CNR Carc Sdsshng(J8(
10.CNR Carc Sdsshng(J8(10.CNR Carc Sdsshng(J8(
10.CNR Carc Sdsshng(J8(
11.BIOS Fkarh(JO4(11.BIOS Fkarh(JO4(
11.BIOS Fkarh(JO4(11.BIOS Fkarh(JO4(
11.BIOS Fkarh(JO4(
11.Jdyanarc wakd to Sdsshng(JO7(11.Jdyanarc wakd to Sdsshng(JO7(
11.Jdyanarc wakd to Sdsshng(JO7(11.Jdyanarc wakd to Sdsshng(JO7(
11.Jdyanarc wakd to Sdsshng(JO7(
13.CMOS FtnbshnnSdsshng(JO6(13.CMOS FtnbshnnSdsshng(JO6(
13.CMOS FtnbshnnSdsshng(JO6(13.CMOS FtnbshnnSdsshng(JO6(
13.CMOS FtnbshnnSdsshng(JO6(
1
USB1
COM1
AGP1
Printer
IR
FAN1
JP6
FAN3
Intel
PCI SLOT2
PCI SLOT1
PCI SLOT3
PCI SLOT4
PCI SLOT5
CNR SLOT
J7
1
FAN2
JP4
BIOS
I/O CHIP
LAN CHIP
JP7
LED1
COM2
Optional
Intel
4
5
6
7
8
5
52
3
12
9
13
11
10

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1.3.1 Front Panel Connector (J7)
J7 PANEL Connector
Speaker Connector (SPEAK)
An offboard speaker can be installed onto the motherboard as a
manufacturing option.An offboard speaker can be connected to
the motherboard at the front pannel connector. The speaker
(onboard or offboard) provides error beep code information
during the Power Self-Test when the computer cannot use the
video interface. The speaker is not connected to the audio
subsystem and does not receive output from the audio subsystem.
Hard Drive LED Connector (HDLED)
This connector supplies power to the cabinet IDE activity LED.
Read and write activity by devices connected to the Primary or
Secondary IDE connectors will cause the LED to light up.
ATX Power Switch (PWBN)
The system power is controlled by a momentary switch
connected to this lead. Pushing the button once will switch
the system ON. The system power LED lights when the
system's power is on .
Power LED Lead (PWLED)
The system Power LED lights when the system power is on.
Reset Switch Lead (RST)
The connector can be connected to a momentary SPST type
switch that is normally open. When the switch is closed,the
motherboard resets and runs the POST.
SPEAK
PW_BN RST
HD_LED
PW_LED
+
+
+
1
2

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1.3.2 Floppy Disk Connector (FDD1)
This connector supports the provided floppy drive ribbon
cable. After connecting the single end to the board, connect
the two plug on the other end to the floppy drives.
1.3.3 Hard Disk Connectors (IDE1/IDE2)
These connectors support the provided IDE hard disk ribbon
cable. After connecting the single end to the board, connect
the two plugs at the other end to your hard disk .
If you install two hard disks, you must configure the second
drive to Slave mode by setting its jumper settings. BIOS now
supports SCSI device or IDE CD-ROM boot up (see "HDD
Sequence SCSI/IDE First" & "Boot Sequence" in the BIOS
Features Setup of the BIOS SOFTWARE) (Pin 20 is removed
to prevent inserting in the wrong orientation when using
ribbon cables with pin 20 plugged) .

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1.3.4 ATX 20-pin Power Connector (PW1)
This connector supports the power button on-board. Using
the ATX power supply, functions such as Modem Ring Wake-
Up and Soft Power Off are supported on this motherboard .
This power connector supports instant power-on
functionality, which means that the system will boot up
instantly when the power connector is inserted on the board.
1.3.5 Infrared Connector (IR)
After the IrDA interface is configured, files can be
transferred from or to portable devices such as laptops,
PDAs, and printers using application software.
Pin Signal Pin Signal
1 3.3V 11 3.3V
2 3.3V 12 -12V
3 GND 13 GND
4 5V 14 PS-ON
5 GND 15 GND
6 5V 16 GND
7 GND 17 GND
8 PW-OK 18 -5V
9 5V_SB 19 5V
10 12V 20 5V

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1.4 Back Panel Connectors
1.4.1 PS/2 Mouse /Keyboard CONN.
The motherboard provides a standard PS/2 mouse / Keyboard
mini DIN connector for attaching a PS/2 mouse. You can
plug a PS/2 mouse / Keyboard directly into this connector.
1.4.2 USB Connectors: USB1/2
The motherboard provides a OHCI(Open Host Controller
Interface)Universal Serial Bus Roots for attaching USB
devices such as a keyboard, mouse and other USB devices.
You can plug the USB devices directly into this connector.
Pin Signal
1 +5V_SB
2 USBP0-(USBP1-)
3 USBP0+(USBP1+)
4 GND
PS/2 Keyboard
(6-pinFem ale)
Serial
Port(9-pin
Male)
COM1COM2
PS/2 Mouse
USB1
Parallel
(Printer)
Port
(25-pinFem ale)
USB1

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USB1
COM1
AGP1
Printer
IR
FAN1
JP6
FAN3
Intel
PCI SLOT2
PCI SLOT1
PCI SLOT3
PCI SLOT4
PCI SLOT5
CNR SLOT
J7
1
FAN2
JP4
BIOS
I/O CHIP
LAN CHIP
JP7
LED1
COM2
Optional
Intel
Front Two USB Connectors: USB2
USB2
1
3
5
7
9
VCC
P2-
P2+
GND
GND
2
4
6
8
10
GND
GND
P3+
P3-
VCC

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1.5 Serial and Parallel Interface Ports
This system comes equipped with two serial ports and one
parallel port. Both types of interface ports will be explained
in this chapter.
The Serial Interfaces: COM1/COM2
The serial interface port is sometimes refered to as an RS-
232 port or an asynchronous communication port. Mice,
printers, modems and other peripheral devices can be
connected to a serial port. The serial port can also be used
to connect your computer system. If you wish to transfer
the contents of your hard disk to another system it can be
accomplished by using each machine’s serial port.
The serial port on this system has one 9-pin connector.
Some older computer systems and peripherals used to be
equipped with only a 25-pin connector. Should you need to
connect your 9-pin serial port to an older 25-pin serial port,
you can purchase a 9-to-25 pin adapter.
COM1/COM2

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Parallel Interface Port
Unlike serial ports, parallel interface ports have been
standardized and should not present any difficulty interfacing
peripherals to your system. Sometimes called a Centronics port,
the parallel port is almost exclusively used with printers. The
parallel port on your system has a 25-pin, DB 25 connector(see
picture below).
Signal DB9 Pin DB25 Pin
DCD 1 8
RX 2 3
TX 3 2
DTR 4 20
GND 5 7
DSR 6 6
RTS 7 4
CTS 8 5
RI 9 22
PS/2 Keyboard
(6-pinFem ale)
Serial
Port(9-pin
Male)
COM1COM2
PS/2 Mouse
USB1
Parallel
(Printer)
Port
(25-pinFem ale)

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USB1
COM1
AGP1
Printer
IR
FAN1
JP6
FAN3
Intel
PCI SLOT2
PCI SLOT1
PCI SLOT3
PCI SLOT4
PCI SLOT5
CNR SLOT
J7
1
FAN2
JP4
BIOS
I/O CHIP
LAN CHIP
JP7
LED1
COM2
Optional
Intel
1.6 CPU Installation
1.6.1 CPU Installation Procedure: Socket 370
1. Pull the lever sideways away from the socket then raise
the lever to a 90-degree angle.
2. Locate Pin 1 in the socket and look for the white dot or
cut edge in the CPU. Match Pin 1 with the white dot/cut
edge then insert the CPU.
3. Press the lever down to complete the installation.
4. Make sure the spec of the heatsink is good enough.
Notch

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USB1
COM1
AGP1
Printer
IR
FAN1
JP6
FAN3
Intel
PCI SLOT2
PCI SLOT1
PCI SLOT3
PCI SLOT4
PCI SLOT5
CNR SLOT
J7
1
FAN2
JP4
BIOS
I/O CHIP
LAN CHI P
JP7
LED1
COM2
Optional
Intel
1.7 Jumper Setting
A jumper has two or more pins that can be covered by a
plastic jumper cap, allowing you to select different system
options.
1.7.1 CPU/System Fan Connector: Fan1/2/3
Pin Assignment
1 Ground
2 +12VDC
3 Signal
1
3
2
FAN 2
Connector
FAN 1
Connector
FAN 3
Connector
JP7
LED1
JP6
JP4J8 IR

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1.7.4 CMOS Function Setting: JP6
Pin Assignment
1-2 Normal (Default)
2-3 Clear CMOS
NOTE:
(Please follow the procedure below to clear CMOS data.)
(1)Remove the AC power line.
(2)JP6(2-3)Closed.
(3)Wait five seconds.
(4)JP6(1-2) Closed.
(5)AC Power on.
(6)Reset your desired password or clear CMOS data.
1.7.3 Keyboard wake up Setting: JP7
Pin Assignment
1-2 Disabled
2-3 Enabled (Default)
Keyboard Boot
1.7.2 BIOS Flash: JP4
Pin Assignment
1-2 Unlocked (Default)
2-3 Locked
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