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386DX CACHE MAINBOARD

UNIDENTIFIED

386DX CACHE MAINBOARD

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

128KB

BIOS

AMI

Dimensions

220mm x 170mm

I/O Options

None

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo switch

JP4

Power LED & keylock

J16

Speaker

JP6

Turbo LED

JP3

Reset switch

S1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select monochrome

JP1

Open

 

Monitor type select color

JP1

Closed

CMOS memory normal operation

JP2

pins 1 & 2 closed

 

CMOS memory clear

JP2

pins 2 & 3 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

16MB

(4) 4M x 9

NONE

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

128KB

(4) 32K x 8

CPU SPEED CONFIGURATION

Speed

JP7

JP8

50MHz

Closed

Open

66MHz

Open

Closed

80MHz

Open

Open