UNIDENTIFIED

FT-640 MB V5.0

Processor

8088 (exact location unidentified)

Processor Speed

4.77/8MHz

Chip Set

Unidentified

Max. Onboard DRAM

640KB

Cache

None

BIOS

MCT

Dimensions

330mm x 212mm

I/O Options

None

NPU Options

8087 (exact location unidentified)

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

P2

Speaker

P5 pins 1 & 2

Reset switch

P3

Power LED

P5 pins 3 & 4

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

 

CPU speed select 4.77MHz

P1

Pins 1 & 2 closed

 

CPU speed select 8MHz

P1

Pins 2 & 3 closed

 

MCT turbo BIOS

P1

Open

 

Keyboard enabled

P4

Closed

 

Keyboard disabled

P4

Open

 

Power good signal detect from power supply

P6

Pins 1 & 2 closed

 

Power good signal detect from board

P6

Pins 2 & 3 closed

»

Factory configured - do not alter

SW1/1

Off

»

Factory configured - do not alter

SW1/2

On

»

Factory configured - do not alter

SW1/3

Off

»

Factory configured - do not alter

SW1/4

Off

 

1 floppy drive installed

SW1/7

On

 

2 floppy drives installed

SW1/7

Off

»

Factory configured - do not alter

SW1/8

On

VIDEO CONFIGURATION

Setting

SW1/5

SW1/6

Monochrome

Off

Off

Color

On

Off

EGA

On

On

DRAM CONFIGURATION

Note: DRAM configuration is unidentified. One bank uses 41256 chips and the other uses 4164 chips.