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SUN-5231

UNIDENTIFIED

SUN-5231

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Up to seven SCSI devices

Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

25-pin SCSI Interface connector-external

CN1

50-pin SCSI Interface connector-internal

CN2

34-pin data cable connector-floppy drives

CN3

4-pin connector-drive active LED

CN4

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Floppy drive port address is 3F0-3F7h

JP1

open

 

Floppy drive port address is 370-377h

JP1

closed

Floppy drive enabled

JP2

open

 

Floppy drive disabled

JP2

closed

Interrupt Request is IRQ3

JP3

pins 1 & 2 closed

 

Interrupt Request is IRQ5

JP3

pins 2 & 3 closed

Zero Wait State enabled

JP4

open

 

Zero wait State disabled

JP4

closed

BIOS ADDRESS

Address

JP5/pins 1 & 2

JP5/pins 3 & 4

CA00h

open

open

 

C800h

closed

open

 

CE00h

open

closed

 

DE00h

closed

closed