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16 BIT MULTI-I/O

ABC COMPUTER COMPANY, LTD.

16 BIT MULTI-I/O

Data bus:

16-bit, ISA

Size:

Half-length, full-height card

Hard drive supported:

Two IDE (AT) Interface drives

Floppy drives supported:

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

CONNECTIONS

Function

Location

34-pin control cable connector - floppy drive

J1

34-pin control cable connector - floppy drive/tape drive

J2

2-pin connector - Drive active LED

J3

40-pin IDE(AT) Interface connector

J4

10-pin serial port (COM1/3) - internal

J5

10-pin serial port (COM2/4) - internal

J6

15-pin game port - external

J7

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

J8

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Disk change signal is set to normal operation

JP1

closed

 

Disk change signal is set to diagnostic mode

JP1

open

I/O Channel Ready signal disabled

JP2

closed

 

I/O Channel Ready signal enabled

JP2

open

Game Port (J7) enabled

JP10

closed

 

Game Port (J7) disabled

JP10

open

PARALLEL PORT (J8) CONFIGURATION

LPT/IRQ

JP3

JP6

JP9

LPT1/IRQ7

on

off

pins 2 & 3 closed

 

LPT2/IRQ5

off

on

pins 1 & 2 closed

 

Disabled

off

off

n/a

SERIAL PORT 2 (J6) CONFIGURATION

COM/IRQ

JP4

JP7

COM2/IRQ3

closed

pins 1 & 2 closed

 

COM4/IRQ5

open

pins 2 & 3 closed

SERIAL PORT 1 (J5) CONFIGURATION

COM/IRQ

JP5

JP8

COM1/IRQ4

closed

pins 1 & 2 closed

 

COM3/IRQ9

open

pins 2 & 3 closed