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TOP AT I/O PLUS

UNIDENTIFIED

TOP AT I/O PLUS

Data bus:

16-bit, ISA

Size:

Half-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

J1

34-pin control cable connector - floppy drive

J2

10-pin serial port 1

J3

10-pin serial port 2

J4

Game port

J5

Mouse port - PS/2 style

J6

25-pin parallel port

J7

2-pin connector - drive active LED

J8

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Hard drive controller enabled

JP1

Pins 2 & 3 closed

 

Hard drive controller disabled

JP1

Pins 1 & 2 closed

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Mouse port enabled

JP2

Pins 2 & 3 closed

 

Mouse port disabled

JP2

Pins 1 & 2 closed

Game port enabled

SW1/1

On

 

Game port disabled

SW1/1

Off

Serial port 2 enabled

SW1/2

On

 

Serial port 2 disabled

SW1/2

Off

Serial port 1 enabled

SW1/3

On

 

Serial port 1 disabled

SW1/3

Off

Floppy drive enabled

SW1/4

On

 

Floppy drive disabled

SW1/4

Off

IDE port enabled

SW1/5

On

 

IDE port disabled

SW1/5

Off

MOUSE PORT INTERRUPT SELECT - JP3

IRQ

Jumper A

Jumper B

Jumper C

Jumper D

IRQ5

Open

Open

Open

Closed

 

IRQ2

Closed

Open

Open

Open

 

IRQ3

Open

Closed

Open

Open

 

IRQ4

Open

Open

Closed

Open

PARALLEL PORT CONFIGURATION

LPT/Address

SW1/6

SW1/7

LPT1/3BCh

Off

On

 

LPT2/278h

On

Off

 

LPT3/378h

On

On

 

Disabled

Off

Off