DTK COMPUTER, INC.

PTI-227

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives 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

JP1

2-pin connector-Drive Active LED

JP2

34-pin control cable connector-floppy drive

JP9

15-pin game port-internal

JP10

9-pin serial port 2 (COM2)-internal

JP11

9-pin serial port 1 (COM1)-external

JP12

25-pin parallel port-external

JP13

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Single IDE drive on chain

JP3

closed

 

Two IDE drives on chain

JP3

open

»

Parallel port (CN13) is an output port

JP4

closed

 

Parallel port (CN13) is an input or output port

JP4

open

»

Supports IBM BIOS

JP5

pins 2 & 3 closed

 

Supports other BIOS

JP5

pins 1 & 2 closed

»

Hard drive port address is 1F0-1F7h, 3F6-3F7h

JP7/jumper 1

pins 1 & 2 closed

 

Hard drive port address is 170-177h, 376-377h

JP7/jumper 1

pins 2 & 3 closed

»

Floppy drive assignment changed (A: = B:; B: = A:)

JP7/jumper 2

pins 1 & 2 closed

 

Floppy drive assignment normal

JP7/jumper 2

pins 2 & 3 closed

»

Floppy drive port address is 3F0-3F7h

JP7/jumper 3

pins 1 & 2 closed

 

Floppy drive port address is 370-377h

JP7/jumper 3

pins 2 & 3 closed

»

Hard drive enabled

JP7/jumper 4

pins 2 & 3 closed

 

Hard drive disabled

JP7/jumper 4

pins 1 & 2 closed

»

Floppy drive enabled

JP7/jumper 5

pins 2 & 3 closed

 

Floppy drive disabled

JP7/jumper 5

pins 1 & 2 closed

»

AT compatible

JP7/jumper 6

pins 2 & 3 closed

 

XT compatible

JP7/jumper 6

pins 1 & 2 closed

SERIAL PORT 1 CONFIGURATION

COM

JP6/jumper 1

JP6/jumper 2

»

COM1 (3F8)

pins 2 & 3 closed

pins 1 & 2 closed

 

COM3 (3E8)

pins 1 & 2 closed

pins 2 & 3 closed

 

COM4 (2E8)

pins 2 & 3 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT 1 INTERRUPT REQUEST

IRQ

JP8/jumper 1

JP8/jumper 2

JP8/jumper 3

»

IRQ4

closed

open

open

 

IRQ3

open

cloqed

open

 

IRQ5

open

open

closed

SERIAL PORT 2 CONFIGURATION

COM

JP6/jumper 3

JP6/jumper 4

»

COM2 (2F8)

pins 2 & 3 closed

pins 1 & 2 closed

 

COM3 (3E8)

pins 2 & 3 closed

pins 2 & 3 closed

 

COM4 (2E8)

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT 2 INTERRUPT REQUEST

IRQ

JP8/jumper 4

JP8/jumper 5

JP8/jumper 6

»

IRQ3

closed

open

open

 

IRQ4

open

closed

open

 

IRQ5

open

open

closed

PARALLEL PORT CONFIGURATION

LPT

JP6/jumper 5

JP6/jumper 6

»

LPT1 (378)

pins 1 & 2 closed

pins 2 & 3 closed

 

LPT1 (3BC)

pins 2 & 3 closed

pins 2 & 3 closed

 

LPT2 (278)

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

PARALLEL PORT INTERRUPT REQUEST

IRQ

JP8/jumper 5

JP8/jumper 6

»

IRQ7

closed

open

 

IRQ5

open

closed