BIOSTAR MICROTECH INTERNATIONAL CORPORATION

MB-1212C

Processor

80286

Processor Speed

12MHz

Chip Set

C & T

Max. Onboard DRAM

4MB

Cache

None

BIOS

C & T

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Reset switch

JP2

Speaker

J2

Turbo switch

JP3

Turbo LED

JP1

External battery

BAT1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

NPU mode select synchronous with CPU

JP4

pins 1 & 2 closed

 

NPU mode select synchronous with oscillator installed at Y1

JP4

pins 2 & 3 closed

»

Monitor type select monochrome

JP6

pins 1 & 2 closed

 

Monitor type select color

JP6

pins 2 & 3 closed

»

Power good signal detect from board

JP7

pins 2 & 3 closed

 

Power good signal detect from power supply

JP7

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

P-0

Bank 1

P-1

Bank 2

Bank 3

512KB

(4) 44256

(2) 41256

NONE

NONE

NONE

NONE

512KB

NONE

NONE

NONE

NONE

(2) 256K x 9

NONE

640KB

(4) 44256

(2) 41256

(4) 4464

(2) 4164

NONE

NONE

1MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

NONE

NONE

1MB

NONE

NONE

NONE

NONE

(2) 256K x 9

(2) 256K x 9

2MB

NONE

NONE

NONE

NONE

(2) 1M x 9

NONE

4MB

NONE

NONE

NONE

NONE

(2) 1M x 9

(2) 1M x 9