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





286 System (Part #368987-01 Rev B)

COMMODORE BUSINESS MACHINES, INC.

286 System (Part #368987-01 Rev B)

Processor

80286

Processor Speed

8/10MHz

Chip Set

Unidentified

Max. Onboard DRAM

16MB

Cache

None

BIOS

Commodore

Dimensions

254mm x 218mm

I/O Options

16-bit riser card slot, bus mouse port, floppy interface, game port, IDE interface, parallel port, serial ports (2)

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

16-bit riser card

CN1

Drive power

DPWR

Serial port 1

CN2

Floppy drive interface

FDD

Serial port 2

CN3

Game port

GAM

Parallel port

CN4

IDE drive interface

IDE

Bus mouse port

CN5

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Battery type select internal

J10

pins 2 & 3 closed

 

Battery type select external

J10

pins 1 & 2 closed

Monitor type select monochrome

J12

Closed

 

Monitor type select color

J12

Open

IDE interface enabled

J14

pins 1 & 2 closed

 

IDE interface disabled

J14

pins 2 & 3 closed

Floppy drive interface enabled

J15

pins 1 & 2 closed

 

Floppy drive interface disabled

J15

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(4) 44256

NONE

NONE

NONE

1MB

(4) 44256

(4) 44256

NONE

NONE

1.5MB

(4) 44256

(4) 44256

(2) 256K x 9

NONE

2MB

(4) 44256

(4) 44256

(2) 256K x 9

(2) 256K x 9

2MB

(4) 441000

NONE

NONE

NONE

3MB

(4) 44256

(4) 44256

(2) 1M x 9

NONE

4MB

NONE

NONE

(2) 1M x 9

(2) 1M x 9

4MB

(4) 441000

(4) 441000

NONE

NONE

5MB

(4) 44256

(4) 44256

(2) 1M x 9

(2) 1M x 9

8MB

(4) 444000

NONE

NONE

NONE

16MB

(4) 444000

(4) 444000

NONE

NONE

16MB

NONE

NONE

(2) 4M x 9

(2) 4M x 9

DRAM JUMPER CONFIGURATION

Size

J6

J7

512KB

pins 2 & 3 closed

pins 2 & 3 closed

1MB

pins 2 & 3 closed

pins 2 & 3 closed

1.5MB

pins 2 & 3 closed

pins 2 & 3 closed

2MB

pins 2 & 3 closed

pins 2 & 3 closed

2MB

pins 2 & 3 closed

pins 2 & 3 closed

3MB

pins 2 & 3 closed

pins 2 & 3 closed

4MB

pins 1 & 2 closed

pins 1 & 2 closed

4MB

pins 2 & 3 closed

pins 2 & 3 closed

5MB

pins 2 & 3 closed

pins 2 & 3 closed

8MB

pins 2 & 3 closed

pins 2 & 3 closed

16MB

pins 2 & 3 closed

pins 2 & 3 closed

16MB

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT CONFIGURATION

CN1

CN2

J16

J17

J18

COM1

COM2

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

COM1

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

COM1

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

COM2

COM1

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

COM2

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

COM2

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

Disabled

Disabled

N/A

pins 2 & 3 closed

pins 2 & 3 closed

PARALLEL PORT CONFIGURATION

LPT

J19

J20

J21

LPT1

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

LPT2

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

LPT3

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

.

VIDEO BOARD CONFIGURATION

Function

Jumper

Position

VGA board enabled

J1

Closed

 

VGA board disabled (VESA enabled)

J1

Open

VGA 1024 x 768 mode disabled

J2

Open

 

VGA 1024 x 768 mode enabled

J2

Closed

Monitor type select color

J3

Open

 

Monitor type select monochrome

J3

Closed