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






ADAPTEC, INC.

ACB-2002A, ACB-2010A

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

MN-Drive 0

QR-Drive 1

OP-Drive 0

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

Jumpers WX, UV, YZ are Not used.

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








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