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000519 HARD DISK DRIVE CONTROLLER BOARD

COMPAQ COMPUTER CORPORATION

000519 HARD DISK DRIVE CONTROLLER BOARD

Data bus:

16-bit, ISA

Size:

Three/quarter-length, full-height card

Hard drive supported:

Two IDE (AT) Interface drives

Floppy drives supported:

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

CONNECTIONS

Function

Location

40-pin IDE(AT) Interface connector

CN1

34-pin control cable connector - floppy drive

CN2

10-pin serial port (COM1/2) - external

CN3

25-pin parallel port (LPT1/2) - external

CN4

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Hard drive port address is 1F0-1F7h

Floppy drive port address is 3F0-3F7h

SW500/switch 1

open

 

Hard drive port address is 170-177h

Floppy drive port address is 370-377h

SW500/switch 1

closed

High-speed floppy drive transfer rate enabled

SW500/switch 2

closed

 

High-speed floppy drive transfer rate disabled

SW500/switch 2

open

Hard drive enabled

SW500/switch 3

open

 

Hard drive disabled

SW500/switch 3

closed

Serial Port (CN3) is set to COM1

SW500/switch 4

open

 

Serial Port (CN3) is set to COM2

SW500/switch 4

closed

Serial Port (CN3) enabled

SW500/switch 5

open

 

Serial Port (CN3) disabled

SW500/switch 5

closed

Parallel Port (CN3) enabled

SW500/switch 6

open

 

Parallel Port (CN3) disabled

SW500/switch 6

closed