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PTI-227

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