MODULAR CIRCUIT TECHNOLOGY

MCT-M386-20/25

Processor

80386SX

Processor Speed

20/25MHz

Chip Set

C & T

Max. Onboard DRAM

16MB (8MB on memory board)

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Turbo switch

J8

Speaker

J6

Reset switch

J9

Power LED & keylock

J7

32-bit external memory card

SL1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select CGA/EGA/VGA

J3

pins 1 & 2 closed

 

Monitor type select monochrome

J3

pins 2 & 3 closed

»

Normal CPU speed operation

J4

pins 2 & 3 closed

 

Clock hard wired for a slower speed

J4

pins 1 & 2 closed

»

NPU disabled

J5

pins 2 & 3 closed

 

NPU enabled

J5

pins 1 & 2 closed

»

Power good signal detect from power supply

J10

N/A

 

Power good signal detect from board

J10

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 1M x 9

NONE

NONE

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

10MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

Note: Banks 2 & 3 are located on the memory board.