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GA-403F

GIGA-BYTE TECHNOLOGY, INC.

GA-403F

Data bus:

32-bit, VL-bus

Size:

Three/quarter-length, full-height card

Hard drive supported:

Up to seven SCSI devices

Floppy drives supported:

Two 360KB, 720KB, 1.2MB or 1.44MB drives

CONNECTIONS

Function

Location

4-pin connector - drive active LED

J1

34-pin control cable connector - floppy drive

J2

50-pin SCSI connector - internal

J6

50-pin SCSI connector - external

J9

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Main board supports VL-bus ID3/synchronize local ready delay function.

JB1

pins 2 & 3 closed

 

Main board does not support VL-bus ID3/synchronize local ready delay function.

JB1

pins 1 & 2 closed

»

Floppy controller enabled

J5

closed

 

Floppy controller disabled

J5

open

»

Floptical/SCSI floppy and HD > 1GB support disabled

J8

open

 

Floptical/SCSI floppy and HD > 1GB support enabled

J8

closed

»

SCSI BIOS enabled

SW1/2

on

 

SCSI BIOS disabled

SW1/2

off

»

BIOS floptical/SCSI floppy support disabled

SW1/7

off

 

BIOS floptical/SCSI floppy support enabled

SW1/7

on

»

Floptical/SCSI floppy and HD > 1GB support disabled

SW1/8

off

 

Floptical/SCSI floppy and HD > 1GB support enabled

SW1/8

on

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

SCSI synchronous negotiation enabled

SW1/9

on

 

SCSI synchronous negotiation disabled

SW1/9

off

»

SCSI disconnect enabled

SW1/10

on

 

SCSI disconnect disabled

SW1/10

off

Note:Manufacturer’s documentation concerning the functions of SW1/7 & SW1/8 are conflicting. It is

recommended that the user not alter factory-configured settings.

SCSI ADDRESS

Base Address

SW1/1

»

340h

on

 

140h

off

BIOS ADDRESS

Address

SW1/3

SW1/4

»

DC000h

on

on

 

D8000h

off

on

 

CC000h

on

off

 

C8000h

off

off

INTERRUPT SELECT

IRQ

SW1/5

SW1/6

J4/jumper A

J4/jumper B

J4/jumper C

J4/jumper D

»

IRQ11

off

on

open

open

closed

open

 

IRQ9

off

off

closed

open

open

open

 

IRQ10

on

off

open

closed

open

open

 

IRQ12

on

on

open

open

open

open