HwMuseum | Index

MONOLITHIC SYSTEMS, INC. (COLORADO MSI)

MICROFRAME 386CT

Processor

80386DX

Processor Speed

20/25MHz

Chip Set

C & T

Max. Onboard DRAMe

8MB

Cache

32KB

BIOS

AMI/Phoenix

Dimensions

301mm x 350mm

I/O Options

32-bit external memory card slots (2)

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J22

Speaker

J26 pin 9

CPU ready LED

J23

Power LED & keylock

J27

Turbo LED

J24

Speaker

J28

Ready

J26 pin 2

Auxiliary keyboard

J31

Keylock

J26 pin 3

Disk access LED

J32

Turbo

J26 pin 4

External battery

J34

Disk

J26 pin 6

32-bit external memory cards

S1 & S2

Reset

J26 pin 7

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

J17

N/A

»

Monitor type select color

J25

pins 2 & 3 closed

 

Monitor type select monochrome

J25

pins 1 & 2 closed

»

CMOS memory normal operation

J36

Open

 

CMOS memory clear

J36

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NPU CONFIGURATION

Setting

J21

J37

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

Enabled

pins 2 & 3 closed

pins 2 & 3 closed