TELEVIDEO SYSTEMS, INC.

TELECAT-286

Processor

80286

Processor Speed

6/8MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

1MB

Maximum Video Memory

None

Cache

None

BIOS

Unidentified

Dimensions

355mm x 304mm

I/O Options

Parallel port, serial port, VGA port

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

Speaker

CN3

Serial port

CN2

External battery

J20

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

SW1/1

Off

»

Monitor type select monochrome

SW1/2

Off

 

Monitor type select color

SW1/2

On

»

Factory configured - do not alter

SW1/5

Unidentified

»

Factory configured - do not alter

SW1/6

Unidentified

»

Factory configured - do not alter

SW1/7

Unidentified

 

Battery enabled

SW1/8

On

 

Battery disabled

SW1/8

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

256KB

(9) 41256

None

None

None

512KB

(9) 41256

(9) 41256

None

None

640KB

(9) 41256

(9) 41256

(9) 4164

(9) 4164

1MB

(9) 41256

(9) 41256

(9) 41256

(9) 41256

Note: The location of the banks are unidentified.

DRAM SWITCH CONFIGURATION

Size

SW1/3

SW1/4

256KB

On

On

512KB

Off

On

640KB

On

Off

1MB

Off

Off

NPU SPEED SELECTION

Speed

W9

W10

4MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

4.77MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

5.33MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Custom (supplied by user)

N/A

Pins 2 & 3 closed

BIOS SELECTION

Type

W3

W4

»

32KB BIOS

Pins 2 & 3 closed

Pins 1 & 2 closed

 

128KB BIOS

Pins 1 & 2 closed

Pins 2 & 3 closed

PARALLEL PORT SELECTION

Setting

W2

Set as port 1

Pins 1 & 2, 3 & 4 closed

Set as port 2

Pins 5 & 6, 7 & 8 closed

SERIAL PORT SELECTION

Setting

W1

Set as port 1

Pins 1 & 2, 3 & 4 closed

Set as port 2

Pins 5 & 6, 7 & 8 closed