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ABCA3291

ABC COMPUTER COMPANY, LTD.

ABCA3291

Data bus:

16-bit, ISA

Size:

Half-length, full-height card

Hard drives supported:

Two IDE(AT) drives

Floppy drives supported:

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

CONNECTIONS

Function

Location

40-pin AT Interface (IDE) connector

CN1

2-pin connector-Drive active LED

CN2

34-pin control cable connector-floppy drive

CN3

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

CN4

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

CN5

15-pin game port - external

CN6

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

CN7

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Floppy drive enabled

JP1

pins 2 & 3 closed

 

Floppy drive disabled

JP1

pins 1 & 2 closed

Serial Port 1 (CN5) is set to COM1

JP6

open

 

Serial Port 1 (CN5) is set to COM3

JP6

closed

Serial Port 2 (CN4) is set to COM2

JP7

open

 

Serial Port 2 (CN4) is set to COM4

JP7

closed

Game Port (CN6) enabled

JP8

pins 2 & 3 closed

 

Game Port (CN6) disabled

JP8

pins 1 & 2 closed

Serial Port 2 (CN4) uses IRQ3

JP9

pins 1 & 2 closed

 

Serial Port 2 (CN4) uses IRQ5

JP9

pins 2 & 3 closed

Serial Port 1 (CN5) uses IRQ4

JP10

pins 1 & 2 closed

 

Serial Port 1 (CN5) uses IRQ9

JP10

pins 2 & 3 closed

Parallel Port (CN7) uses IRQ7

JP11

pins 2 & 3 closed

 

Parallel Port (CN7) uses IRQ5

JP11

pins 1 & 2 closed

Hard drive enabled

JP12

pins 2 & 3 closed

 

Hard drive disabled

JP12

pins 1 & 2 closed

SERIAL PORT CONFIGURATION

Serial Port 1 (CN5)

Serial Port 2 (CN4)

Jumper JP2

Jumper JP3

Enabled

Enabled

pins 2 & 3 closed

pins 2 & 3 closed

 

Disabled

Enabled

pins 2 & 3 closed

pins 1 & 2 closed

 

Enabled

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

PARALLEL PORT CONFIGURATION

CN7

Jumper JP4

Jumper JP5

LPT1 enabled

pins 2 & 3 closed

pins 2 & 3 closed

LPT2 enabled

pins 1 & 2 closed

pins 2 & 3 closed

Disabled

pins 1 & 2 closed

pins 1 & 2 closed