UNIDENTIFIED

1120D

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two IDE (AT) Interface drives

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

CONNECTIONS

Functions

Location

4-pin connector-drive active LED

CN1

40-pin IDE (AT) Interface connector-internal

CN2

34-pin data cable connector-floppy drive

CN3

10-pin serial port 2 connector-internal

CN4

DB-9 pin serial port 1 connector-external

CN5

DB-25 pin parallel port connector-external

CN6

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Parallel port set for LPT1 (378-37Fh)

JP1

pins 2-3 closed

 

Parallel port set for LPT2 (278-27Fh)

JP1

pins 1-2 closed

»

Serial port 1 (CN5) set to COM1

JP2

pins 2-3 closed

 

Serial port 1 (CN5) set to COM2

JP2

pins 1-2 closed

»

Serial port 2 (CN4) set to COM2

JP3

pins 1-2 closed

 

Serial port 2 (CN4) set to COM1

JP3

pins 2-3 closed

»

Parallel port IRQ is IRQ5

JP4

pins 1-2 closed

 

Parallel port IRQ is IRQ7

JP4

pins 2-3 closed

»

Serial port 1 (CN5) IRQ is IRQ3

JP5

pins 1-2 closed

 

Serial port 1 (CN5) IRQ is IRQ4

JP5

pins 2-3 closed

»

Serial port 2 (CN4) IRQ is IRQ4

JP5

pins 2-3 closed

 

Serial port 2 (CN4) IRQ is IRQ3

JP5

pins 1-2 closed