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CHANNEL ONE

STB SYSTEMS, INC.

CHANNEL ONE

Category

Video

Video Types Supported

XVGA

Video Processor

Unidentified

Highest Resolution Supported

1280 x 1024

Data Bus Type

16-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

1MB

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

Coax connector

CN4

VGA feature connector

CN2

Refresh signal synchronization connector

P4

S-video connector

CN3

 

 

ZERO WAIT-STATE MEMORY SELECTION

Setting

J2

Disabled

Pins 2 & 3 closed

 

Enabled

Pins 1 & 2 closed

INTERRUPT SELECTION

IRQ 2

J3

Disabled

Pins 2 & 3 closed

 

Enabled

Pins 1 & 2 closed

COLOR TYPE SELECTION

Type

J4

Color

Pins 1 & 2 closed

Mono

Pins 2 & 3 closed

ZERO WAIT-STATE BIOS SELECTION

Setting

J5

Disabled

Pins 2 & 3 closed

 

Enabled

Pins 1 & 2 closed

BIOS INTERFACE SELECTION

Setting

J6

8-bit

Pins 2 & 3 closed

 

16-bit

Pins 1 & 2 closed

CRYSTAL FREQUENCY SELECTION

Setting

J7

Master

Pins 1 & 2 closed

 

Slave

Pins 2 & 3 closed

BOARD INDENTIFICATION SELECTION

Dial switch block SW1 on each adapter determines the board number and I/O address selection.