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ID574

UNIDENTIFIED

ID574

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two AT Interface (IDE) drives

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

CONNECTIONS

Function

Location

4-pin connector-drive active LED

CN1

40-pin AT Interface (IDE) connector

CN2

34-pin control cable connector-floppy drive

CN3

15-pin game port-internal

CN4

9-pin serial port 2 (COM2)-internal

CN5

9-pin serial port 1 (COM1)-external

CN6

25-pin parallel port-external

CN7

PARALLEL PORT (CN7) CONFIGURATION

LPT

JP6/pins 9 & 10

JP6/pins 11 & 12

LPT2 (378-37F)

closed

open

 

LPT3 (278-27F)

open

closed

 

Disabled

open

open

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Hard drive enabled

J9

open

 

Hard drive disabled

J9

closed

IOCHRDY signal disabled

JP1

closed

 

IOCHRDY signal enabled

JP1

open

Floppy drive enabled

JP3

open

 

Floppy drive disabled

JP3

closed

Game port (CN4) disabled

JP5

open

 

Game port (CN4) enabled

JP5

closed

SERIAL PORT 1 (CN6) CONFIGURATION

COM

JP6/pins 1 & 2

JP6/pins 3 & 4

COM1 (3F8-3FF)

closed

open

 

COM3 (3E8-3EF)

open

closed

 

COM4 (2E8-2EF)

closed

closed

 

Disabled

open

open

SERIAL PORT 2 (CN5) CONFIGURATION JUMPERS - JP6

COM

JP6/pins 5 & 6

JP6/pins 7 & 8

COM2 (2F8-2FF)

closed

open

 

COM4 (2E8-2EF)

open

closed

 

COM3 (3E8-3EF)

closed

closed

 

Disabled

open

open

SERIAL PORT 1 (CN6) INTERRUPT REQUEST

IRQ

JP7/pins 1 & 2

JP7/pins 3 & 4

IRQ4

closed

open

 

IRQ5

open

closed

SERIAL PORT 2 (CN5) INTERRUPT REQUEST

IRQ

JP7/pins 5 & 6

JP7/pins 7 & 8

IRQ3

closed

open

 

IRQ5

open

closed

PARALLEL PORT (CN7) INTERRUPT REQUEST

IRQ

JP7/pins 9 & 10

JP7/pins 11 & 12

IRQ5

closed

open

 

IRQ7

open

closed