ACB-2370C, ACB-2372C Hard Disk/Floppy Controller Settings and Configuration

Data bus:

16-bit, ISA

Size:

Full-length, full-height card

Hard drives supported:

Two RLL ST506 drives

Floppy drives supported:

ACB-2372C: Two 360KB, 720KB, 1.2MB, or 1.44MB

CONNECTIONS

Function

Location

34-pin data cable connector-floppy drive

J1

20-pin data cable connector-drive 1

J3

20-pin data cable connector-drive 0

J4

34-pin control cable connector-hard drive

J5

3-pin connector-drive active LED

J6

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Hard drive port address 1F0-1F7h

J2-1

open

Hard drive port address 170-177h

J2-1

closed

»

Not used

J2-2

open

»

Zero wait state disabled

J2-3

closed

Zero wait state enabled

J2-3

open

»

16 m sec step rate and recalibrate to 0

J2-4

open

35 m sec step rate and recalibrate to 0 minus 1

J2-4

closed

»

Read ahead cache enabled

J2-5

open

Read ahead cache disabled

J2-5

closed

»

Not used

J2-6

open

»

Not used

J2-7

open

»

BIOS address C800h

J7

pins 1 & 2 closed

BIOS address CC00h

J7

pins 2 & 3 closed

BIOS disabled

J7

open

»

Floppy drive port address 3F0-3F7h

J8

open

Floppy drive port address 370-377h

J8

closed

»

Floppy drive enabled

J9

open

Floppy drive disabled

J9

closed