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





VLSI 89402-2

UNIDENTIFIED

VLSI 89402-2

Processor

80286

Processor Speed

12MHz

Chip Set

VLSI

Video Chip Set

None

Maximum Onboard Memory

4MB

Maximum Video Memory

None

Cache

None

BIOS

AMI/Award

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

JP10

Power LED & keylock

JP15

Turbo switch

JP11

External battery

JP17

Speaker

JP14

Reset switch

JP21

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Monitor type select color

JP4

Closed

 

Monitor type select monochrome

JP4

Open

 

Turbo enabled

JP11

Closed

 

Turbo disabled & switchable through keyboard (CRTL, ALT, +/-)

JP11

Open

 

ROM wait state select 2 wait states

JP9

Closed

 

ROM wait state select 1 wait state

JP9

Open

Battery type select internal

JP16

Closed

 

Battery type select external

JP16

Open

BIOS type select 27128

JP18

Open

 

BIOS type select 27256

JP18

Closed

Fast mode enabled

JP19

Closed

 

Fast mode disabled

JP19

Open

 

Wait state select 0 wait states

JP20

Closed

 

Wait state select 1 wait state

JP20

Open

Factory configured - do not alter

JP22

Unidentified

Factory configured - do not alter

JP23

Unidentified

 

Parity check disabled

JP24

Pins 1 & 2 closed

 

Parity check enabled

JP24

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

Parity

512KB

(4) 44256

None

None

None

(2) 41256

512KB

None

None

(2) 256K x 9

None

None

640KB

(4) 44256

(4) 4464

None

None

None

1MB

(4) 44256

(4) 44256

None

None

(2) 41256

1MB

None

None

(2) 256K x 9

(2) 256K x 9

None

2MB

(16) 411000

None

None

None

None

2MB

None

None

(2) 1M x 9

None

None

4MB

(16) 411000

(16) 411000

None

None

(4) 411000

4MB

None

None

(2) 1M x 9

(2) 1M x 9

None

Note: The location of banks 0, 1, 2 & 3 are unidentified. Board also accepts ZIP memory, but the configurations are unidentified.

DRAM JUMPER CONFIGURATION

Size

JP1

JP2

JP3

512KB

Closed

Closed

Closed

640KB

Closed

Open

Closed

1MB

Closed

Closed

Open

2MB

Closed

Open

Open

4MB

Open

Closed

Closed

CPU SPEED SELECTION

Speed

JP12

6/12MHz

Open

8/12MHz

Closed