...because we can't all be on the bleeding edge...





MB-1212V

BIOSTAR MICROTECH INTERNATIONAL CORPORATION

MB-1212V

Processor

80286

Processor Speed

12MHz

Chip Set

VLSI

Max. Onboard DRAM

4MB

Cache

None

BIOS

AMI/Award/Phoenix

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

JP1

Turbo switch

JP4

Power LED & keylock

JP2

Turbo LED

JP5

Speaker

JP3

External battery

JP17

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

DRAM speed select 100ns

JP6

pins 1 & 2 closed

 

DRAM select 0 wait states

JP10

Closed

 

DRAM select 1 wait state

JP10

Open

BIOS type select 27256

JP11

pins 1 & 2 closed

 

BIOS type select 27128

JP11

pins 2 & 3 closed

Monitor type select color

JP12

pins 1 & 2 closed

 

Monitor type select monochrome

JP12

pins 2 & 3 closed

 

Keyboard controller set on pin 30

JP13

Closed

 

Keyboard controller set on pin 23

JP14

Closed

 

Keyboard controller set on pin 27

JP14

Closed

 

Keyboard controller set on pin 32

JP18

Closed

 

Power good signal detect

JP16

N/A

Parity check enabled

JP19

pins 1 & 2 closed

 

Parity check disabled

JP19

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

Bank 4

P-0

P-1

512KB

(4) 44256

NONE

NONE

NONE

NONE

(2) 41256

NONE

640KB

(4) 44256

NONE

NONE

NONE

(4) 4464

(2) 41256

(2) 4164

640KB

(4) 44256

NONE

NONE

(16) 4164

NONE

(2) 41256

(2) 4164

1MB

(4) 44256

(4) 44256

NONE

NONE

NONE

(2) 41256

(2) 41256

2MB

NONE

NONE

(16) 411000

NONE

NONE

(2) 411000

NONE

4MB

NONE

NONE

(16) 411000

(16) 411000

NONE

(2) 411000

(2) 411000

DRAM JUMPER CONFIGURATION

Size

JP7

JP8

JP9

512KB

Closed

Closed

Closed

640KB

Closed

Closed

Open

1MB

Closed

Open

Closed

2MB

Closed

Open

Open

4MB

Open

Closed

Closed