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





286 SYSTEM BOARD

BIOSTAR MICROTECH INTERNATIONAL CORPORATION

286 SYSTEM BOARD

Processor

80286

Processor Speed

10/12MHz

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

Power LED & keylock

KLCK

Turbo LED

TBLED

Reset switch

RST

Turbo switch

TBSW

Speaker

SPK

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Location

BIOS type select 27128

JP1

pins 2 & 3 closed

 

BIOS type select 27256

JP1

pins 1 & 2 closed

CPU slow speed select 8MHz

JP6

Closed

 

CPU slow speed select 6MHz

JP6

Open

Monitor type select color

JP7

Closed

 

Monitor type select monochrome

JP7

Open

DRAM speed select 0 wait states

JP8

Closed

 

DRAM speed select 1 wait state

JP8

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

P-1

Bank 2

P-2

Bank 3

Bank 4

512KB 1

(18) 41256

NONE

NONE

NONE

NONE

NONE

NONE

512KB 1

NONE

(4) 44256

(2) 41256

NONE

NONE

NONE

NONE

512KB 2

NONE

NONE

NONE

NONE

NONE

(2) 256K x 9

NONE

640KB 1

(18) 41256

NONE

NONE

(4) 4464

(2) 4164

NONE

NONE

640KB 1

NONE

(4) 44256

(2) 41256

(4) 4464

(2) 4164

NONE

NONE

640KB 2

(18) 4164

NONE

NONE

NONE

NONE

(2) 256K x 9

NONE

640KB 2

NONE

NONE

NONE

(4) 4464

(2) 4164

(2) 256K x 9

NONE

1MB 1

(18) 41256

NONE

NONE

(2) 44256

(4) 41256

NONE

NONE

1MB 1

(18) 41256

(4) 44256

(2) 41256

NONE

NONE

NONE

NONE

1MB 2

NONE

NONE

NONE

NONE

NONE

(2) 256K x 9

(2) 256K x 9

2MB 1

(18) 411000

NONE

NONE

NONE

NONE

NONE

NONE

2MB 2

NONE

NONE

NONE

NONE

NONE

(2) 1M x 9

NONE

4MB 1

(18) 411000

NONE

NONE

NONE

NONE

(2) 1M x 9

NONE

4MB 2

NONE

NONE

NONE

NONE

NONE

(2) 1M x 9

(2) 1M x 9

Note 1 :Set JP9, JP10, and JP11 pins 2 & 3 closed.

Note 2 :Set JP9, JP10, and JP11 pins 1 & 2 closed.

DRAM JUMPER CONFIGURATION

Size

JP2

JP3

JP4

512KB

Closed

Closed

Closed

640KB

Closed

Closed

Open

1MB

Closed

Open

Closed

2MB

Closed

Open

Open

4MB

Open

Closed

Closed