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STM S286

UNIDENTIFIED

STM S286

Processor

80286

Processor Speed

6/8MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

640KB

Maximum Video Memory

None

Cache

None

BIOS

Award

Dimensions

330mm x 300mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J19

External battery

J21

Power LED & keylock

J20

Chassis fan power

J101

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

J17

Unidentified

 

Monitor type select color

J100

Pins 1 & 2 closed

 

Monitor type select monochrome

J100

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

640KB

(18) 41256

(18) 4164

Note: The location of banks 0 & 1 are unidentified.

CPU SPEED SELECTION

Speed

J102

6MHz

Closed

8MHz

Open

NPU SPEED SELECTION

Speed

J103

4.77MHz

Pins 1 & 2 closed

8MHz

Pins 2 & 3 closed

BIOS SELECTION

Type

J18

27128

Pins 1 & 2, 3 & 4 closed

27256

Pins 5 & 6, 7 & 8 closed

MISCELLANEOUS TECHNICAL NOTE

Note: This board has 6 16-bit slots and 2 8-bit slots.