UNIDENTIFIED

SNB-C038

Data bus: 16-bit, ISA

Size: Half-length, half-height card

Hard drives supported: Two IDE Interface (AT) drives

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

CONNECTIONS

Function

Location

25-pin parallel port-external

J1

9-pin serial port 1 (COM1/3/4)-internal

J2

9-pin serial port 2 (COM2/3/4)-external

J3

34-pin control cable connector-floppy drive

J4

40-pin IDE Interface (AT) connector

J5

4-pin connector-drive active LED

J6

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Floppy drive enabled

JP2

pins 1 & 2 closed

 

Floppy drive disabled

JP2

pins 1 & 2 open

»

Hard drive enabled

JP2

pins 3 & 4 closed

 

Hard drive disabled

JP2

pins 3 & 4 open

»

IOCHRDY signal enabled

JP2

pins 5 & 6 closed

 

IOCHRDY signal disabled

JP2

pins 5 & 6 open

SERIAL PORT 1 (CN2) CONFIGURATION

COM

JP1/pins 1 & 2

JP1/pins 3 & 4

»

COM1 (3F8-3FFh)

closed

open

 

COM3 (3E8-3EFh)

open

closed

 

COM4 (2E8-2EFh)

closed

closed

 

Disabled

open

open

SERIAL PORT 2 (CN3) CONFIGURATION

COM

JP1/pins 5 & 6

JP1/pins 7 & 8

»

COM2 (2F8-2FFh)

closed

open

 

COM4 (2E8-2EFh)

open

closed

 

COM3 (3E8-3EFh)

closed

closed

 

Disabled

open

open

PARALLEL PORT (CN1) CONFIGURATION

LPT

JP1/pins 9 & 10

JP1/pins 11 & 12

»

LPT2 (378-37Fh)

closed

open

 

LPT3 (278-27Fh)

open

closed

 

Disabled

open

open

SERIAL PORT 1 (CN2) INTERRUPT REQUEST

IRQ

JP3/pins 1 & 2

JP3/pins 3 & 4

»

IRQ4

closed

open

 

IRQ3

open

closed

SERIAL PORT 2 (CN3) INTERRUPT REQUEST

IRQ

JP3/pins 5 & 6

JP3/pins 7 & 8

»

IRQ3

closed

open

 

IRQ4

open

closed

PARALLEL PORT (CN1) INTERRUPT REQUEST

IRQ

JP3/pins 9 & 10

JP3/pins 11 & 12

»

IRQ7

closed

open

 

IRQ5

open

closed