DTK COMPUTER, INC.

PTI-203

Card Type

Multi I/O

Chipset Controller

Unidentified

I/O Options

Game/MIDI port, memory, parallel port, serial port (2)

Maximum DRAM

2MB

CONNECTIONS

Purpose

Location

Purpose

Location

16-pin game/MIDI port

J1

9-pin serial port 1

J3

10-pin serial port 2

J2

25-pin parallel port

J4

MEMORY ADDRESS

Address

Memory

JP1

SW1/1

SW1/2

SW1/3

SW1/4

040000h

256K

Pins 1 & 2 closed

On

On

Off

Off

080000h

512KB

Pins 1 & 2 closed

Off

On

Off

Off

160000h

1.384MB

Pins 1 & 2 closed

On

Off

Off

Off

100000h

1MB

Pins 2 & 3 closed

Off

Off

On

Off

200000h

1.5MB

Pins 2 & 3 closed

Off

Off

Off

Off

280000h

2MB

Pins 2 & 3 closed

Off

Off

On

On

300000h

2.5MB

Pins 2 & 3 closed

Off

Off

Off

On

300000h

3MB

Pins 2 & 3 closed

Off

Off

On

Off

380000h

3.5MB

Pins 2 & 3 closed

Off

Off

Off

Off

400000h

4MB

Pins 2 & 3 closed

Off

Off

On

On

480000h

4.5MB

Pins 2 & 3 closed

Off

Off

Off

On

500000h

5MB

Pins 2 & 3 closed

Off

Off

On

Off

580000h

5.5MB

Pins 2 & 3 closed

Off

Off

Off

Off

600000h

6MB

Pins 2 & 3 closed

Off

Off

On

On

680000h

6.5MB

Pins 2 & 3 closed

Off

Off

Off

On

700000h

7MB

Pins 2 & 3 closed

Off

Off

On

Off

780000h

7.5MB

Pins 2 & 3 closed

Off

Off

Off

Off

800000h

8MB

Pins 2 & 3 closed

Off

Off

On

On

MEMORY ADDRESS (CON’T)

Address

Memory

SW1/5

SW1/6

SW1/7

040000h

256K

Off

Off

Off

080000h

512KB

Off

Off

Off

160000h

1.384MB

Off

Off

Off

100000h

1MB

On

On

On

200000h

1.5MB

On

On

On

280000h

2MB

Off

On

On

300000h

2.5MB

Off

On

On

300000h

3MB

Off

On

On

380000h

3.5MB

Off

On

On

400000h

4MB

On

Off

On

480000h

4.5MB

On

Off

On

500000h

5MB

On

Off

On

580000h

5.5MB

On

Off

On

600000h

6MB

Off

Off

On

680000h

6.5MB

Off

Off

On

700000h

7MB

Off

Off

On

780000h

7.5MB

Off

Off

On

800000h

8MB

On

On

On

MEMORY ADDRESS (CON’T)

Address

Memory

JP1

SW1/1

SW1/2

SW1/3

SW1/4

880000h

8.5MB

Pins 2 & 3 closed

Off

Off

Off

On

900000h

9MB

Pins 2 & 3 closed

Off

Off

On

Off

980000h

9.5MB

Pins 2 & 3 closed

Off

Off

Off

Off

A00000h

10MB

Pins 2 & 3 closed

Off

Off

On

On

A80000h

10.5MB

Pins 2 & 3 closed

Off

Off

Off

On

B00000h

11MB

Pins 2 & 3 closed

Off

Off

On

Off

B80000h

11.5MB

Pins 2 & 3 closed

Off

Off

Off

Off

C00000h

12MB

Pins 2 & 3 closed

Off

Off

On

On

C80000h

12.5MB

Pins 2 & 3 closed

Off

Off

Off

On

D00000h

13MB

Pins 2 & 3 closed

Off

Off

On

Off

D80000h

13.5MB

Pins 2 & 3 closed

Off

Off

Off

Off

E00000h

14MB

Pins 1 & 2 closed

On

Off

Off

Off

E80000h

14.5MB

Pins 1 & 2 closed

Off

Off

Off

Off

MEMORY ADDRESS (CON’T)

Address

Memory

SW1/5

SW1/6

SW1/7

880000h

8.5MB

On

On

Off

900000h

9MB

On

On

Off

980000h

9.5MB

On

On

Off

A00000h

10MB

Off

On

Off

A80000h

10.5MB

Off

On

Off

B00000h

11MB

Off

On

Off

B80000h

11.5MB

Off

On

Off

C00000h

12MB

On

Off

Off

C80000h

12.5MB

On

Off

Off

D00000h

13MB

On

Off

Off

D80000h

13.5MB

On

Off

Off

E00000h

14MB

Off

Off

Off

E80000h

14.5MB

Off

Off

Off

SERIAL PORT 1

Setting

Interrupt

SW2/5

SW2/6

SW3/1

SW3/3

COM1 (3F8h)

4

On

Off

Off

On

COM2 (2F8h)

3

Off

On

On

Off

Disabled

N/A

On

On

On

On

SERIAL PORT 2

Setting

Interrupt

SW2/3

SW2/4

SW3/2

SW3/4

COM1 (3F8h)

4

On

Off

Off

On

COM2 (2F8h)

3

Off

On

On

Off

Disabled

N/A

On

On

On

On

PARALLEL PORT

Setting

Interrupt

SW2/1

SW2/2

SW2/7

SW2/8

LPT1 (378h)

7

On

Off

Off

On

LPT2 (278h)

5

Off

On

On

Off

Disabled

N/A

On

On

On

On

GAME PORT

Setting

SW1/8

»

Enabled

On

 

Disabled

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

128KB

(18) 64K x 1

NONE

NONE

NONE

256KB

(18) 64K x 1

(18) 64K x 1

NONE

NONE

384KB

(18) 64K x 1

(18) 64K x 1

(18) 64K x 1

NONE

512KB

(18) 64K x 1

(18) 64K x 1

(18) 64K x 1

(18) 64K x 1

512KB

(18) 256K x 1

NONE

NONE

NONE

1MB

(18) 256K x 1

(18) 256K x 1

NONE

NONE

1.5MB

(18) 256K x 1

(18) 256K x 1

(18) 256K x 1

NONE

2MB

(18) 256K x 1

(18) 256K x 1

(18) 256K x 1

(18) 256K x 1