ADAPTEC, INC.

AHA-2740T, AHA-2742, AHA-2742T, AHA-2740A,

AHA-2742A, AHA-2740A-TWIN, AHA-2742A-TWIN

Data bus:

32-bit, EISA

Size:

Half-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 (optional)

J2

50-pin SCSI Channel A connector - internal

J3

50-pin SCSI Channel B connector - internal (optional)

J5

50-pin SCSI Channel A connector - external

J6

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Floppy drive enabled

J4

closed

 

Floppy drive disabled

J4

open

Note: Jumper J4 is only present on those boards with a floppy drive.