STB SYSTEMS, INC.

POWERGRAPH VGA

Category

Video

Video Types Supported

XVGA

Video Processor

Tseng Laboratories

Highest Resolution Supported

1024 x 768

Data Bus Type

16-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

1024KB

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

VESA feature connector

CN2

ROM DATA BUS

Size

J3

»

8-bit

Pins 2 & 3 closed

 

16-bit

Pins 1 & 2 closed

INTERRUPT SELECT

IRQ2

J1

»

Enabled

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

BANK 0 (U1, U2)

BANK 1 (U3, U4)

BANK 2 (U5, U6, U7, U8)

256KB

(2) 256K x 4

NONE

NONE

512KB

(2) 256K x 4

(2) 256K x 4

NONE

1MB

(2) 256K x 4

(2) 256K x 4

(4) 256K x 4