J-MARK COMPUTER CORPORATION

JET-286V

Processor

80286

Processor Speed

16/20MHz

Chip Set

VLSI SCAMP

Max. Onboard DRAM

16MB

Cache

None

BIOS

Award

Dimensions

254mm x 220mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J5

Power LED & keylock

J10

External battery

J8

Turbo LED

J13

Turbo switch

J7

Reset switch

J15

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

NPU mode select synchronous with CPU

JP2

pins 1 & 2 closed

 

NPU mode select synchronous with oscillator installed at OSC1

JP2

pins 2 & 3 closed

»

Battery type select internal

JP7

pins 2 & 3 closed

 

Battery type select external

JP7

pins 1 & 2 closed

»

Monitor type select color

JP11

Closed

 

Monitor type select monochrome

JP11

Open

DRAM CONFIGURATION

Size

Bank 0

P-0

Bank 1

P-1

Bank 2

Bank 3

512KB

(4) 44256

(2) 41256

NONE

NONE

NONE

NONE

512KB

NONE

NONE

NONE

NONE

(2) 256K x 9

NONE

1MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

NONE

NONE

1MB

NONE

NONE

NONE

NONE

(2) 256K x 9

(2) 256K x 9

2MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 256K x 9

(2) 256K x 9

2MB

NONE

NONE

NONE

NONE

(1) 1M x 9

NONE

4MB

NONE

NONE

NONE

NONE

(1) 1M x 9

(1) 1M x 9

DRAM JUMPER CONFIGURATION

Size

JP3

JP4

512KB

pins 2 & 3 closed

pins 2 & 3 closed

512KB

pins 1 & 2 closed

pins 1 & 2 closed

1MB

pins 2 & 3 closed

pins 2 & 3 closed

1MB

pins 1 & 2 closed

pins 1 & 2 closed

2MB

pins 2 & 3 closed

pins 2 & 3 closed

2MB

pins 1 & 2 closed

pins 1 & 2 closed

4MB

pins 1 & 2 closed

pins 1 & 2 closed