Acorp 7VIA71A Manuale utente
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.
Slot-A is a trademark of AMD Corporation
AWARD is a registered trademark of Award
Sofftware 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 1.1
7VIA71A
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 .................................................. 7
System Installation Setups ........................ 9
Static Electricity Precaution ...................... 9
Jumper Settings ........................................ 10
System Memory (DIMM moduleS) ............14
DIMM Memory Installation ........................ 15
Wake Up On LAN .....................................31
Central Processing Unit (CPU) ..................17
Removing the Processor ...........................20
Installing OEM Processor ..........................21
Clearance Requirements ..........................23
Fan Exhaust ...............................................23
External Connectors .................................. 24
1 / Chapter 1 Introduction1 / Chapter 1 Introduction
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1 / Chapter 1 Introduction
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 Introduction2 / Chapter 1 Introduction
2 / Chapter 1 Introduction2 / Chapter 1 Introduction
2 / Chapter 1 Introduction
Package Checklist
Please check that your package is complete . If you discover any item
damaged or missing , please contact with your retailer immediately.
The 7VIA71A mainboard.
Retention Mechanism & Heat Sink Support.
1 x IDE UDMA66 ribbon cable.
1 x floppy ribbon cable.
7VIA71A support software:
- Flash Memory Write utility to update the FLASH BIOS.
- Technical Support Form.
This user's Manual
3 / Chapter 2 Features3 / Chapter 2 Features
3 / Chapter 2 Features3 / Chapter 2 Features
3 / Chapter 2 Features
2
Chapter 2
Features
Features of the 7VIA71A Mainboard
The 7VIA71A is designed for the PC user’s who want many new key
features processed by the fastest CPU in a economic package. This
mainboard :
New general CPU support :
- AMD K7 SLOT-A (500 MHz-1GHz Athlon) processor.
- CPU clock select support for 100MHz .
CPU bus speed configuration.
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4 / Chapter 2 Features
Chipset :
VIA KX133 chips with I/O subsystems.
Biggest memory capacity :
7VIA71A is equipped with two DIMM socket to support
(16MB, 32MB, 64MB, 128MB.256MB) 168 pin 3.3v SDRAM
SPD(Special Presence Detect).Maximum memory up to
512MB.
AGP for fast VGA solution :
AGP (Accelerator Graphic Port) will enhance & improve dis-
play performance and Application. The bus speed is Support
AGP 2X/4X mode .
PCI Expansion Slot :
Provide five 32 bit PCI slots.
PCI Bus Master 1DE Controller :
Comes with an on-board PCI Bus Master IDE, controller
with two connectors that supports four IDE devices in two
channels, Provides faster data transfer rate, and supports
Enhanced IDE devices such as Tape Backup and CD-ROM
devices(ATAPI). This controller supports PIO mode 3 and 4
(16.6MB/sec.), and Ultra DMA33/66(33/66MB/Sec.), also
supports ZIP100 and LS-120. BIOS support IDE CD-ROM
or SCSI bootup.
Super Multi-I/O :
Provides two high-speed UART2 compatible serial ports
(match NS16C550A compatible) and one parallel port with
SPP,EPP and ECP capabilities. UART2 can also be directed
from COM2 to the Infrared Module for wireless connections.
Two floppy drives of either 5.25" or 3.5 "(1.25MB,1.44MB or
2.88MB) are also supported without an external card. Sup-
ports Japanese standard "Floppy 3 mode" (3.5" 1.25MB).
5 / Chapter 2 Features5 / Chapter 2 Features
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5 / Chapter 2 Features
CPU built-in Level 2 Cache :
The AMD Athlon includes the largest L1 cache (128K total)
for x86 platforms. The AMD Athlon also features a high-
speed, 64-bit backside L2 cache controller that supports L2
cache sizes ranging from 512K to a massive 8MB. This high-
performance cache design takes advantage of the processor's
high-speed system bus and minimizes bandwidth
bottlenecks.
WOL (Wake On LAN) :
Supports system power up from LAN ring up .
IrDA Port :
Support this serial fast communication up to 115.2Kbps.
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.
To support CPU FAN On/Off indicator under Suspend mode.
To support CPU temperature & Fan detect and Alarm warn-
ing by sound.
Dimension : 30.5 cm x 21 cm
Supports 16-bits stereo audio controller. Sound Blaster 16/
PRO compatible with stereo voice up to 48 KHz sampling rates.
Dual channel game port. (supports Microsoft game-pad up to
8 ports).
6 / Chapter 2 Features6 / Chapter 2 Features
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6 / Chapter 2 Features
The 7VIA71A Mainboard layout
down :
up
K/B
:Mouse
USB
MIDI/
GAME/
AUDIO
7 / Chapter 3 Installation7 / Chapter 3 Installation
7 / Chapter 3 Installation7 / Chapter 3 Installation
7 / Chapter 3 Installation
Installation
3
Chapter 3
Jumper
Jumper Refer to page
JP1 - CPU bus frequency selection 12
JBAT - Real time Clock RTC clean 12
FAN1 - FAN CONN. for CPU 26
FAN2 - FAN CONN. for AGP 26
FAN3 - FAN CONN. for CPU 26
WOL - Wake ON LAN Function 31
WOM - Wake On Modem Function 31
8 / Chapter 3 Installation8 / Chapter 3 Installation
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8 / Chapter 3 Installation
Expansion Slot
Which page
SEC(Single Edge Connector) CPU Slot-A 17
168 pin DIMM Socket 14
AGP (Accelerated Graphic port) SLOT 24
PCI SLOT 1,2,3,4,5 -32bits PCI SLOT 24
Connectors Refer to page
PS2_KB - PS/2 Mouse port(UP). 25
PS2_KB - PS/2 AT(mini DIM) Keyboard port(DP)25
COM1 - COM 1 serial port 25
COM2 - COM 2 serial port 25
USB - Universal Serial BUS Ports 0 & 1 25
JUSB1 - Universal Serial BUS Ports 2 & 3 25
PRINT - Parallel port 25
FDD1 - FLOPPY connector 25
IDE1 - Primary IDE connector 27
IDE2 - Secondary IDE connector 27
IR - IrDA connector 28
J4 - HDD LED 29
J4 - Reset Switch 29
J4 - Speaker Connector 30
J4 - Power LED 30
CN1 - ATX Power Connector 30
J4 - ATX Power switch 30
CD_IN - CD Audio Connector 31
CD_IN1 - CD Audio Connector 31
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