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PTI-227W (VER. 3)

DTK COMPUTER, INC.

PTI-227W (VER. 3)

Data Bus

16-bit ISA

Card Size

Half-length, half-height card

Hard Drives supported

Two IDE (AT) drives

Floppy drives supported

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

CONNECTIONS

Function

Location

Function

Location

40-pin IDE(AT) connector

JP1

34-pin cable connector - floppy drive

JP5

16-pin game port

JP2

2-pin connector - drive active LED

JP8

9-pin serial port 1 - external

JP3

25-pin parallel port - external

JP15

10-pin serial port 2 - internal

JP4

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

IDEIOR path ATBUS IOR select

J1

Pins 2 & 3 closed

 

IDEIOR path W83758P chipset (IOROP) select

J1

Pins 1 & 2 closed

IDEIOW path ATBUS IOW select

J2

Pins 2 & 3 closed

 

IDEIOW path W83758P chipset (IOWOP) select

J2

Pins 1 & 2 closed

Floppy drive order is normal (A:, B:)

JP6/1

Pins 1 & 2 closed

 

Floppy drive order is reversed (B:, A:)

JP6/1

Pins 2 & 3 closed

Floppy drive I/O address is 3F0-3F7h

JP6/2

Pins 2 & 3 closed

 

Floppy drive I/O address is 370-377h

JP6/2

Pins 1 & 2 closed

IDE(AT) interface enabled

JP6/3

Pins 1 & 2 closed

 

IDE(AT) interface disabled

JP6/3

Pins 2 & 3 closed

IDE I/O address is 3F6, 3F7, 1F0-1F7h

JP6/4

Pins 2 & 3 closed

 

IDE I/O address is 376, 377, 170-177h

JP6/4

Pins 1 & 2 closed

Floppy drive enabled

JP6/5

Pins 1 & 2 closed

 

Floppy drive disabled

JP6/5

Pins 2 & 3 closed

 

Parallel port is bidirectional

JP11

Open

 

Parallel port is output only

JP11

Closed

Game port enabled

JP16

Closed

 

Game port disabled

JP16

Open

PARALLEL PORT ADDRESS SELECTION

Setting

JP9/5

JP9/6

LPT1 (378h)

Pins 2 & 3 closed

Pins 1 & 2 closed

 

LPT2 (278h)

Pins 1 & 2 closed

Pins 2 & 3 closed

 

LPT3 (3BCh)

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 1 ADDRESS SELECTION

Setting

JP9/1

JP9/2

COM1 (3F8h)

Pins 1 & 2 closed

Pins 2 & 3 closed

 

COM3 (3E8h)

Pins 2 & 3 closed

Pins 1 & 2 closed

 

COM4 (2E8h)

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 2 ADDRESS SELECTION

Setting

JP9/3

JP9/4

COM2 (3F8h)

Pins 1 & 2 closed

Pins 2 & 3 closed

 

COM3 (3E8h)

Pins 1 & 2 closed

Pins 1 & 2 closed

 

COM4 (2E8h)

Pins 2 & 3 closed

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

JP12/1

JP12/2

JP12/3

 

IRQ3

Open

Closed

Open

IRQ4

Closed

Open

Open

 

IRQ5

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

JP12/4

JP12/5

JP12/6

IRQ3

Closed

Open

Open

 

IRQ4

Open

Closed

Open

 

IRQ5

Open

Open

Closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

JP12/7

JP12/8

 

IRQ5

Open

Closed

IRQ7

Closed

Open

MISCELLANEOUS TECHNICAL NOTES

In jumpers JP6/1-5 and JP9/1-6, pin positions 1 &2 correspond to "low" board positions. Positions 2 & 3 correspond to "high" board positions.