Processor

80386DX

Processor Speed

33/40MHz

Chip Set

AMI

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80387DX/CX487DLC

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J3

Reset switch

J4D

Speaker

J4A

Turbo switch

J4E

Power LED & keylock

J4B

+5Vdc (pin 1)

J4F

Turbo LED

J4C

Ground (pin 2)

J4F

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select monochrome

JP1

pins 1 & 2 closed

Monitor type select color

JP1

pins 2 & 3 closed

»

CMOS memory normal operation

JP4

pins 2 & 3 closed

CMOS memory clear

JP4

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 4

None

2MB

(4) 256K x 4

(4) 256K x 4

4MB

(4) 1M x 4

None

5MB

(4) 256K x 4

(4) 1M x 4

8MB

(4) 1M x 4

(4) 1M x 4

16MB

(4) 4M x 4

None

20MB

(4) 1M x 4

(4) 4M x 4

20MB

(4) 4M x 4

(4) 1M x 4

32MB

(4) 4M x 4

(4) 4M x 4

CACHE CONFIGURATION

Size

Max Cachable

Bank 0

Bank 1

TAG

64KB

8MB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

16MB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

32MB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE CONFIGURATION

Size

Max Cachable

JP3

JP5

64KB

8MB

Open

pins 1 & 2 closed

128KB

16MB

pins 1 & 2 and 3 & 4 closed

pins 2 & 3 closed

256KB

32MB

pins 1 & 2, 3 & 4 and 5 & 6 closed

pins 1 & 2 closed