FIC VA-501 Manuel utilisateur

VA-501

MAINBOARD

MANUAL

DOC No. : 15609

Rev. : A0

Date : 09, 1996

Part No. : 25-10601-00

Chapter 1 Overview

Main Features........................................................................................ 2

Chapter 2 Installation Procedures

Mainboard Layout.................................................................................. 4

1). Set System Jumpers.......................................................................... 5

Flash ROM Voltage Select: EP1 and EP2 .............................. 5

CPU to SRAM Data Write Mode Selection: SRAM1.............. 5

Clear Password: CPW............................................................ 6

PCI 2 ID: PCI2ID................................................................... 6

2). Install DRAM Modules..................................................................... 7

DRAM Configuration.................................................................... 7

Installation Instructions................................................................. 8

Remove SIMMs............................................................................ 8

Cache Memory.............................................................................. 9

3). Install the CPUs................................................................................ 10

CPU to Bus Frequency Ratio:

FREQ1 and FREQ2............................................................... 11

CPU External Clock (Bus) Frequency: CLK1 and CLK2........ 12

CPU Voltage Selection:VR1 and VR2................................... 13

CPU Voltage Markings.......................................................... 14

Installation of Cyrix (or IBM) 6x86 CPU Fan......................... 15

4). Connect Cables and Power Supply.................................................... 16

Serial Port Connectors: COM1 and COM2............................. 16

CPU Fan Connectors: FAN.................................................... 16

Block Connector.................................................................... 17

Power Connector: POWER .................................................... 18

Chapter 3 Award BIOS Setup

CMOS Setup Utility............................................................................... 19

Standard CMOS Setup........................................................................... 20

BIOS Features Setup.............................................................................. 22

Chipset Features Setup........................................................................... 25

Power Management Setup...................................................................... 28

Table of Contents

VA-501 Mainboard Manual

PCI Configuration Setup......................................................................... 31

PnP Configuration Setup........................................................................ 33

Load BIOS Defaults............................................................................... 34

Load Setup Defaults............................................................................... 34

Supervisor/User Password...................................................................... 34

IDE HDD Auto Detection....................................................................... 35

Save and Exit Setup............................................................................... 36

Exit without Saving................................................................................ 36

Main Features

The VA-501 mainboard comes with the following high-performance features:

■Easy Installation

Award BIOS with support for Plug and Play, auto detection of Hard Drive

and IDE features, MS Windows 95 and Windows NT compatible.

■Flexible Processor Support

The onboard 321-pin ZIF socket supports Intel Pentium (P54C) CPU speed

75/90/100/120/133/150/166/180/200 MHz processors / P54CTB.

Cyrix 6x86-P120+ (100 MHz) / 6x86-P133+ (110 MHz) / 6x86-P150+

(120 MHz) / 6x86-P166+ (133 MHz) processors.

IBM 6x86-P120+ (100 MHz) / 6x86-P133+ (110 MHz) / 6x86-P150+

(120 MHz) / 6x86-P166+ (133 MHz) processors.

AMD K5-PR75 (75 MHz) / K5-PR90 (90 MHz) / K5-PR100 (100 MHz) /

K5-PR120 (90 MHz) / K5-PR133 (100 MHz) / K5-PR150 (120 MHz) /

K5-PR166 (133 MHz) processors.

■Leading Edge Chipset

VIA Apollo 580VP chipset, including a CPU interface controller,

advanced

cache controller, integrated DRAM controller, synchronous ISA bus

controller, PCI local bus interface, integrated power management unit.

■Ultra-fast Level II Cache

Supports onboard 256KB/512KB synchronous PBSRAM direct-mapped

write-back cache memory.

■Versatile Main Memory Support

Accepts up to 64MB RAM in two banks using 72-pin SIMM modules of

4, 8, 16, 32MB with support for EDO and Fast Page Mode memory.

Chapter 1

VA-501 Mainboard Manual

■ISA & PCI Expansion Slots

Three 16-bit ISA and four 32-bit PCI expansion slots provide all the

room you need to install a full range of add-on cards.

■Enhanced PCI Bus Master IDE Controller

Integrated Enhanced PCI local bus IDE controller with two connectors

supports up to four IDE devices such as Hard Disk, CD-ROM or Tape

Backup drives via two channels for high speed data throughput. This

controller supports PIO Modes 3 and 4, and DMA Mode 2 for optimized

system performance.

■Super Multi I/O

Integrated UMC 669/LGS Prime 3C chipset features two 16550A UART

compatible serial ports, one EPP/ECP capable parallel port, and one

Floppy

Disk Drive connector.

Installation Procedures

The VA-501 has several user-adjustable jumpers on the board that allow you to

configure your system to suit your requirements. This chapter contains

information on the various jumper settings on your mainboard.

To set up your computer, you should follow these installation steps:

■Step 1 -

Set system jumpers

■Step 2 -

Install DRAM modules

■Step 3 -

Install the CPU

■Step 4 -

Connect cables and power supply

■Step 5 -

Set up BIOS feature (Please read Chapter Three.)

Chapter 2

VA-501 Mainboard Manual

Mainboard Layout

Installation Procedures

1). Set System Jumpers

NOTE : Users are not encouraged to change the jumper settings not listed in

this manual. Changing the jumper settings improperly may adversely affect

system performance.

Flash ROM Voltage Select: EP1 and EP2

These two jumpers allow you to select the different voltages of the flash ROM.

CPU to SRAM Data Write Mode Selection: SRAM1

This jumper allows you to select the CPU to SRAM data read/write mode.

Also, you need to configure the BIOS feature, Linear Bust Mode, in Page 26.

Please refer to it.

VA-501 Mainboard Manual

Clear Password: CPW

The password clear jumper lets you set the password configuration to

“Enabled” or “Disabled”. You may need to enable password clear if forget your

password.

PCI 2 ID: PCI2ID

This setting is provided to allow you to install more than PCI add-on card

released before the launch of the PCI Encoding Standard in 1993.

NOTE : Please be aware that this feature is only provided for reasons of

convenience and it is only in rare cases that the user needs to alter the default

setting. Please consult your dealer for further information.

Installation Procedures

2). Install DRAM Modules

The VA-501 supports standard Fast Page Mode and Extended Data Out

DRAM; accommodates onboard memory from 8 to 64MB using SIMMs. The

mainboard has two memory banks - Bank 0 and Bank 1 which can use different

types of SIMMs. However, you must populate each memory bank with the same

type of SIMM.

DRAM Configuration

DRAM modules can be installed in a variety of configurations as shown below:

TOTAL MEMORY BANK 0 (72-PIN X 2) BANK 1 (72-PIN X 2)

8MB 4MB & 4MB

16MB 8MB & 8MB

4MB & 4MB 4MB & 4MB

24MB 8MB & 8MB 4MB & 4MB

32MB 8MB & 8MB 8MB & 8MB

16MB & 16MB

64MB 16MB & 16MB 16MB & 16MB

32MB & 32MB

NOTE : All memory banks use 72-pin memory modules.

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