DTK COMPUTER, INC.

PTI-223D

Card Type

Video card

Video Chip Set

Trident

Maximum Video Memory

1MB DRAM

Video Types Supported

CGA, Monochrome, EGA, VGA

Highest Resolution Supported

1024 x 768,

Data Bus

16-bit ISA

CONNECTIONS

Function

Label

Function

Label

15-pin analog video port

CN1

Feature connector

CN2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Standard monitor detection

J6

Pins 1 & 2 closed

 

Non-standard monitor detection

J6

Pins 2 & 3 closed

»

Default scan rate

SW3

Closed

 

48.7 Khz scan rate

SW3

Open

»

Autodetect enabled

SW4

Open

 

Autodetect disabled

SW4

Closed

VIDEO MEMORY CONFIGURATION (DRAM)

Size

Bank 0

Bank 1

Bank 2

256KB

(2) 256KB x 4

None

None

512KB

(2) 256KB x 4

(2) 256KB x 4

None

1MB

(2) 256KB x 4

(2) 256KB x 4

(4) 256KB x 4

Note: Exact location of memory banks is unidentified

IRQ INTERRUPT SELECTION

Setting

J1

»

IRQ9 disabled

Pins 2 & 3 closed

 

IRQ9 enabled

Pins 1 & 2 closed