UNIDENTIFIED

HD/FD CONTROLLER

Card Type

Hard drive controller card

Hard Drives supported

Two ST-506/412(MFM) drives

Floppy drives supported

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

Data Bus

16-bit ISA

Card Size

Half-length, half-height card

CONNECTIONS

Function

Location

Function

Location

34-pin control cable connector - hard drive

J1

34-pin cable connector - floppy drive

J4

20-pin data cable connector - drive 1

J2

Unidentified

J5

20-pin data cable connector - drive 2

J3

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - (DACK2 enabled)

W5

Closed

»

Hard drive I/O address is 1FXh

W6

Open

 

Hard drive I/O address is 17Xh

W6

Closed

»

Floppy drive I/O address is 3FXh

W9

Open

 

Floppy drive I/O address is 37Xh

W9

Closed

»

Floppy drive interface enabled

W10

Open

 

Floppy drive interface disabled

W10

Closed

»

Hard drive interface enabled

W11

Open

 

Hard drive interface disabled

W11

Closed

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