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IDE MULTI I/O

AMERICAN DIGICOM CORPORATION

IDE MULTI I/O

Data bus:

16-bit, ISA

Size:

Half-length, half-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

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

J1

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

J3

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

J4

15-pin game port - internal

J5

34-pin control cable connector - floppy drive

J6

4-pin connector - Drive active LED

J8

40-pin IDE(AT) Interface connector

J9

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Floppy drive enabled

W1/jumper 1

closed

 

Floppy drive disabled

W1/jumper 1

open

Floppy drive port address is 3F4-3F5h

W1/jumper 2

open

 

Floppy drive port address is 374-375h

W1/jumper 2

closed

Parallel port (J1) enabled

W3/jumper 1

closed

 

Parallel port (J1) disabled

W3/jumper 1

open

Parallel port (J1) is set to LPT1 (378-37Fh)

W3/jumper 2

open

 

Parallel port (J1) is set to LPT2 (278-27Fh)

W3/jumper 2

closed

PARALLEL PORT (J1) INTERRUPT REQUEST

IRQ

W2/jumper 1

W2/jumper 2

IRQ5

closed

open

 

IRQ7

open

closed

SERIAL PORT 2 (J3) INTERRUPT REQUEST

 

IRQ

W2

3

pins 5 & 6 closed

 

4

pins 5 & 7 closed

SERIAL PORT 1 (J4) INTERRUPT REQUEST

IRQ

W2

 

3

pins 6 & 8 closed

4

pins 7 & 8 closed

SERIAL PORT 1 (J4) CONFIGURATION

COM

W3/jumper 3

W3/jumper 4

COM1 (3F8-3FFh)

closed

open

 

COM3 (3E8-3EFh)

open

closed

SERIAL PORT 2 (J3) CONFIGURATION

COM

W3/jumper 5

W3/jumper 6

COM2 (2F8-2FFh)

closed

open

 

COM4 (2E8-EFh)

open

closed

BIOS TYPE CONFIGURATION

Type

W4/jumper 1

W4/jumper 2

IBM-compatible BIOS

open

closed

 

IBM BIOS

closed

open

MISCELLANEOUS TECHNICAL NOTES

Jumper J7 is factory configured for single speed floppy drives - do not alter.