MICRO EXPRESS, INC.

80386-33/40

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

FOREX

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP4

Turbo switch

JP12

Reset switch

JP10

Speaker

JP13

Power LED & keylock

JP11

Turbo LED

JP14

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

EM11

Open

»

Factory configured - do not alter

EM12

Open

»

Battery type select external 6.0VDC

JP3

Open

 

Battery type select external 3.6VDC

JP3

Closed

»

CMOS memory normal operation

JP5

Open

 

CMOS memory clear

JP5

Closed

»

Monitor type select color

JP8

Open

 

Monitor type select monochrome

JP8

Closed

»

Factory configured - do not alter

JP9

Open

»

Factory configured - do not alter

JP101

Open

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

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U38)

TAG (U39)

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

NONE

128KB

(4) 32K x 8

NONE

(1) 8K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

(1) 8K x 8

(1) 8K x 8

CACHE JUMPER CONFIGURATION

Size

JP6

JP61

JP62

64KB

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

128KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed