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





V-286

MICRO COMPUTER SYSTEMS CORPORATION

V-286

Processor

80286

Processor Speed

12MHz

Chip Set

VLSI

Max. Onboard DRAM

4MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

W6

Speaker

W15

Turbo LED

W7

External battery

W16

Turbo switch

W11

Power LED & keylock

W18

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Zero wait state enabled

SW1/1

Off

 

Zero wait state disabled

SW1/1

On

Keyboard controlled speed switch enabled

SW1/2

On

 

Keyboard controlled speed switch disabled

SW1/2

Off

Monitor type select color

SW1/3

Off

 

Monitor type select monochrome

SW1/3

On

NPU clock speed select 7.159MHz

SW1/4

On

 

NPU clock speed select 14.318MHz

SW1/4

Off

Fastmode enabled

SW1/5

On

 

Fastmode disabled

SW1/5

Off

ROM wait state select 2 wait states

SW1/6

On

 

ROM wait state select 1 wait state

SW1/6

Off

Factory configured - do not alter

SW1/7

Off

AT bus speed select 6MHz

SW1/8

On

 

AT bus speed select 8MHz

SW1/8

Off

Factory configured - do not alter

W8

Closed

BIOS type select 27256

W9

pins 2 & 3 closed

 

BIOS type select 27128

W9

pins 1 & 2 closed

Battery type select internal

W12

pins 1 & 2 closed

 

Battery type select external

W12

pins 2 & 3 closed

Parity enabled

W13

pins 2 & 3 closed

 

Parity disabled

W13

pins 1 & 2 closed

Note: The locations of W12 & W13 are unidentified.

DRAM CONFIGURATION

Size

Bank 0

Parity 0

Bank 1

Parity 1

Bank 2

Bank 3

512KB

(16) 41256

(2) 41256

NONE

NONE

NONE

NONE

640KB

(16) 41256

(2) 41256

(16) 4164

(2) 4164

NONE

NONE

640KB

(16) 41256

(2) 41256

NONE

(2) 4164

(4) 44256

NONE

1MB

(16) 41256

(2) 41256

(16) 41256

(2) 41256

NONE

NONE

1MB

NONE

(2) 41256

NONE

(2) 41256

(4) 44256

(4) 44256

2MB

(16) 411000

(2) 411000

NONE

NONE

NONE

NONE

4MB

(16) 411000

(2) 411000

(16) 411000

(2) 411000

NONE

NONE

DRAM JUMPER CONFIGURATION

Size

W1

W2

W3

512KB

Closed

Closed

Closed

640KB

Closed

Closed

Open

640KB

Closed

Closed

Open

1MB

Open

Closed

Closed

1MB

Open

Closed

Closed

2MB

Open

Closed

Open

4MB

Closed

Open

Closed