ADAPTEC, INC.

AHA-1542CF, AHA-1540CP, AHA-1542CF, AHA-1542CP

Data bus:

16-bit, ISA

Size:

Half-length, full-height card

Hard drive supported:

Up to seven SCSI drives

Floppy drives supported:

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

CONNECTIONS

Function

Location

50-pin SCSI connector - internal

CN1

50-pin SCSI connector - external

CN2

34-pin control cable connector - floppy drive

CN3

4-pin connector - drive active LED

CN4

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

SCSI Termination set through software

SW1/1

off

 

SCSI Termination enabled

SW1/1

on

»

Floppy drive enabled

SW1/5

off

 

Floppy drive disabled

SW1/5

on

I/O PORT ADDRESS SELECTION

Address

SW1/2

SW1/3

SW1/4

»

330-333h

off

off

off

 

334-337h

on

off

off

 

230-233h

off

on

off

 

234-237h

on

on

off

 

130-133h

off

off

on

 

134-137h

on

off

on

 

Reserved

off

on

on

 

Reserved

on

on

on

BIOS ADDRESS SELECTION

Address

SW1/6

SW1/7

SW1/8

»

DC000h

off

off

off

 

D8000h

on

off

off

 

D4000h

off

on

off

 

D0000h

on

on

off

 

CC000h

off

off

on

 

C8000h

on

off

on

 

Reserved

off

on

on

 

Disabled

on

on

on