ADAPTEC, INC.

ACB-2320D, ACB-2322D

Data bus:

16-bit, ISA

Size:

Half-length, full-height card

Hard drives supported:

Two RLL ESDI drives

Floppy drives supported:

ACB-2320D: None

ACB-2322D: Two 360KB, 720KB, 1.2MB, 1.44MB drives

CONNECTIONS

Function

Location

4-pin connector-drive active LED
J1
20-pin data cable connector-drive 1
J2
20-pin data cable connector-drive 0
J3
34-pin control cable connector-hard drive
J4
34-pin data cable connector-floppy drive
J5

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»
Not used
J7/jumper 1
open
»
Logical drive splitting option disabled
J7/jumper 2
open
 
Logical drive splitting option enabled
J7/jumper 2
closed
»
Not used
J7/jumper 3
open
»
Not used
J7/jumper 4
open
»
Read ahead cache enabled
J7/jumper 5
open
 
Read ahead cache disabled
J7/jumper 5
closed
»
Not used
J7/jumper 6
open
»
Not used
J7/jumper 7
open
»
Hard drive port address is 1F0-1F7h
J10/jumper 1
open
 
Hard drive port address is 170-177h
J10/jumper 1
closed
»
Floppy drive port address is 3F0-3F7h
J10/jumper 2
open
 
Floppy drive port address is 370-377h
J10/jumper 2
closed
»
Floppy drive enabled
J10/jumper 3
open
 
Floppy drive disabled
J10/jumper 3
closed
»
Single-speed floppy enabled
J11/jumper 1
open
 
Dual-speed floppy enabled
J11/jumper 1
closed
»
Hard Drive Interrupt is IRQ14
J13
pins 1 & 2 closed
 
Hard Drive Interrupt is IRQ15
J13
pins 2 & 3 closed

BIOS ADDRESS

Address

J12/jumper 1

J12/jumper 2

J12/jumper 3

»
C8000h
open
open
open
 
CC000h
closed
open
open
 
D0000h
open
closed
open
 
D4000h
closed
closed
open
 
Disabled
open
open
closed
 
D8000h
closed
open
closed
 
DC000h
open
closed
closed