Acorp 6A815EP1 User manual

The information presented in this publication has been
carefully prepared to ensure reliability ; however, no
responsibility is assumed for inaccuracies.
Specifications are subject to change without notice.
IBM, PC/AT, and PC/XT are trademarks of International Busi-
ness Machines Corporation.
Pentium is a trademark of Intel Corporation
AWARD is a registered trademark of Phoenix Software Inc.
MS-DOS and WINDOWS NT are registered trademarks of
Microsoft Corporation.
Trademarks and/or registered trademarks are the
properties of their respective owners.
User's Manual Version 1.0
6A815E1/815EP1

Table of Contents
Chapter 1 Introduction ................................................ 1
How this manual is organized ............................. 1
Package checklist ................................................ 2
Chapter 2 Features ...................................................... 3
Features of the mainboard ........................ 3
The mainboard layout ............................... 6
Chapter 3 Installation ................................................... 8
System Installation Setups ...................... 10
Static Electricity Precaution .................... 10
Jumper Settings ........................................ 11
System Memory (DIMM modules) ............ 13
DIMM Memory Installation ........................ 14
CPU Installation ........................................ 16
Clearance Requirements .......................... 17
Fan Exhaust .............................................. 17
Selecting the CPU Frequency .................. 17
Easy Over Clock ....................................... 18
External Connectors ................................ 19
Chapter 4 BIOS Setup ............................................... 28

Chapter 1 Introduction / 1
1
Chapter 1
Introduction
How This Manual is Organized
This manual is divided into the following sections:
Chapter 1 Introduction : Manual information and checklist.
Chapter 2 Features : Information and Specifications con-
cerning this mainboard.
Chapter 3 Installation : Instructions on setting up the board.

2 / Chapter 1 Introduction
Package Checklist
Please check that your package is complete . Should any item be
damaged or missing , please contact your retailer immediately.
The 6A815E1/6A815EP1 mainboard.
1 x IDE UDMA100 ribbon cable.
1 x COM2 cable.
1 x Floppy ribbon cable.
6A815E1/815EP1 support software:
CD driver and utilites.
-Intelinf (Intel(R) chipset software to system containing 815E
chipset)
-Easy Over Clock
(Realtek-AP (Selecting the CPU Frequency))
-Uatadrv (Intel(R) ultra ATA storage setup)
-Sound (on board sound driver)
This user's Manual

Chapter 2 Features / 3
2
Chapter 2
Features
Features of the 6A815E1/6A815EP1 Mainboard
The 6A815E1/6A815EP1 is designed for the PC user who wants
many new key features processed by the fastest CPU in a
economical package. This mainboard :
New general CPU support :
- Socket 370 for Intel PPGA/FC-PGA PII/PIII processor.
- Socket 370 Celeron (300MHz~800MHz) or higher
processor.
- Socket 370 VIA Cyrix III 500~600MHz processor.
- Socket 370 Coppermine (500MHz~1GHz) or higher
processor.

4 / Chapter 2 Features
Chipset :
-GMCH Chipset : Intel 815 support a 66/100/133 FSB .
-ICH Chipset : Intel ICH2 .
Biggest memory capacity :
6A815E1/6A815EP1 is equipped with three DIMM
sockets to support (16MB, 32MB, 64MB, 128MB.
256MB) 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.
AGP for fast VGA solution :
-AGP specification compliant.
-AGP 66 MHz 3.3v/1.5v for 1X/2X/4X device support.
PCI Expansion Slot :
Provides five 32 bit PCI slots.
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 (10pin )).
-4 USB ports.
-1 parallel port supports SPP/EPP/ECP mode.
-1 RJ-45 connector. (option)
Audio:
- ICH2 chip integrated.
- AC’97 CODEC on board , supports 3D sound effect.

Chapter 2 Features / 5
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, LAN, Alarm Bus CLK setup with
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.
CNR Support :
Two 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 .
Fan Status Monitoring and Alarm Temperature Monitor-
ing/Voltage Monitoring and Alert.
Integrated Graphics :
(Only supports 6A815E1 motherboard)
Controller supports 3D hyper pipelined architecture,
parallel data processing and compression, precise pixel
interpolation, full 2D hardware acceleration, and motion
video acceleration.

6 / Chapter 2 Features
Support Ring on by modem/Alarm on :
Supports System power up from Modem ring up or timer
of System. Required : Enabled in Ring on by modem and
Alarm on in BIOS.
PC Health Monitoring :
Provides an easy way to examine and manage system
status information, such as CPU and system voltages,
temperatures, and fan status through the onboard hardware.
Suspend and Go :
Suspend-to-RAM (STR) provides maximum power savings
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.
Dual Function Power Button :
Through BIOS, the power button can be defined as the
“Stand by” button or as the Soft-Off button.

Chapter 2 Features / 7
The 6A815E1/6A815EP1 Mainboard layout
T:RJ-4 5
B:USB1/2
COM1
6A815EP1
not onboard
VGA
AGP1
JACK1
JACK2
JACK3
Printer
IR
FAN1
JP6
FAN3
GAME1
Intel
Intel
PCI SLOT2
PCI SLOT1
PCI SLOT3
PCI SLOT4
PCI SLOT5
CNR SLOT
J6
1
FAN2
JP4
BIOS
I/O CHIP
LAN CHIP
JP7
LED1
VGA

8 / Chapter 3 Installation
Installation
3
Chapter 3
Jumper
Jumper Refer to page
JP6 - Real time Clock RTC Clean 12
J6 - HD_ LED 24
J6 - Reset Switch 24
J6 - Power LED 24
J6 - Speaker Connector 25
J6 - ATX Power Switch 25
JP4 - BIOS Boot Bock Flash Jumper 26
JP7 - Keyboard Wake up Setting 27
J8 - CNR Card Use Setting 27