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SNB-C042

UNIDENTIFIED

SNB-C042

Data Bus

16-bit ISA

Card Size

Half-height, half-length

Hard Drives Supported

Two IDE(AT) devices

Floppy Drives Supported

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

CONNECTIONS

Function

Label

Function

Label

25-pin parallel port - external

J1

40-pin IDE(AT) connector

J5

10-pin serial port 1 - internal

J2

2-pin drive active LED

J6

10-pin serial port 2 - internal

J3

16-pin game port

J7

34-pin cable connector - floppy drive

J4

 

 

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Floppy drive interface enabled

JP1/G

Pins 1 & 2 closed

 

Floppy drive interface disabled

JP1/G

Pins 2 & 3 closed

IDE(AT) interface enabled

JP1/H

Pins 1 & 2 closed

 

IDE(AT) interface disabled

JP1/H

Pins 2 & 3 closed

SERIAL PORT 1 ADDRESS

Setting

JP1/A

JP1/B

3F8h (COM1:)

Pins 1 & 2 closed

Pins 2 & 3 closed

 

3E8h (COM3:)

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 1 INTERRUPT

Setting

JP2/A

JP2/B

JP2/C

 

IRQ3

Open

Closed

Open

IRQ4

Closed

Open

Open

 

IRQ5

Open

Open

Closed

SERIAL PORT 2 ADDRESS

Setting

JP1/C

JP1/D

2F8h (COM2:)

Pins 1 & 2 closed

Pins 2 & 3 closed

 

2E8h (COM4:)

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 2 INTERRUPT

Setting

JP2/D

JP2/E

JP2/F

IRQ3

Closed

Open

Open

 

IRQ4

Open

Closed

Open

 

IRQ5

Open

Open

Closed

PARALLEL PORT ADDRESS

Setting

JP1/E

JP1/F

378h

Pins 1 & 2 closed

Pins 2 & 3 closed

 

278h

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

PARALLEL PORT INTERRUPT

Setting

JP2/G

JP2/H

IRQ5

Open

Closed

IRQ7

Closed

Open