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MB-1325/1333ACA-S

BIOSTAR MICROTECH INTERNATIONAL CORPORATION

MB-1325/1333ACA-S

Processor

80386SX/CX486SLC

Processor Speed

25/33MHz

Chip Set

Unidentified

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

CN1 (pins 1 - 4)

Turbo switch

CN1 (pins 14 - 16)

Power LED & keylock

CN1 (pins 5 - 9)

+5v ground

CN1 (pins 17 - 18)

Turbo LED

CN1 (pins 10 - 11)

External battery

JP6

Reset switch

CN1 (pins 12 - 13)

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

JP1

pins 1 & 2 closed

 

CMOS memory clear

JP1

pins 2 & 3 closed

Parity check enabled

JP2

Open

 

Parity check disabled

JP2

Closed

Chip type select 146818

JP4

Open

 

Chip type select Dallas

JP4

Closed

Monitor type select monochrome

JP5

pins 1 & 2 closed

 

Monitor type select color

JP5

pins 2 & 3 closed

Clock mode select synchronous

JP7

pins 1 & 2 closed

 

Clock mode select asynchronous

JP7

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256K x 9

NONE

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

CPU SPEED CONFIGURATION

Speed

JP3

JP8

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

33MHz

pins 2 & 3 closed

pins 2 & 3 closed