ACB-2002A, ACB-2010A Hard Disk/Floppy Controller Settings and Configuration

Data bus:

8-bit, ISA

Size:

Full-length, full-height card

Hard drives supported:

Two MFM ST506 drives

Floppy drives supported:

None

CONNECTIONS

Function

Location

20-pin data cable connector-drive 0

J0

20-pin data cable connector-drive 1

J1

34-pin control cable connector-hard drive

J2

USER CONFIGURABLE SETTINGS - ACB-2002A

Function

Location

Setting

»

Step Rate is: 13 m

200 m

AB

closed

Step Rate is: 70 m

3msec with step code 3

AB

open

»

Not used

CD

open

»

Wedge servo enabled

EF

closed

Dedicated track servo enabled

EF

open

»

Not used

GH

open

»

Not used

IJ

open

»

Normal operation

KL

open

Self diagnotics enabled

KL

closed

DRIVE TYPE CONFIGURATION - DRIVE 0 - ACB 2010A

Type

CD

EF

MN

Drive is hard sectored lomega Beta-5

closed

open

closed

Drive is Syquest 312 or DMA 360 drive

open

closed

N/A

Drive is soft sectored ST506 type

open

open

N/A

DRIVE TYPE CONFIGURATION - DRIVE 1 - ACB 2010A

Type

GH

IJ

QR

Drive is hard sectored lomega Beta-5

closed

open

closed

Drive is Syquest 312 or DMA 360 drive

open

closed

N/A

Drive is soft sectored ST506 type

open

open

N/A

BIOS DRIVE TYPE TABLE ACB-2010A

Table #

Heads

Cylinders

Capacity

QR-Drive 1

ST-Drive 1

0

2

612

10.65MB

closed

closed

1

2

306

5.32MB

closed

open

2

4

480

16.71MB

open

closed

3

4

306

10.65MB

open

open

MISCELLANEOUS TECHNICAL NOTES

Jumper EF is Not used on Model ACB-2010A.