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SINGLE-CHIP 286

EISA TECH CORPORATION

SINGLE-CHIP 286

Processor

80286

Processor Speed

12/16MHz

Chip Set

Acer

Max. Onboard DRAM

5MB

Cache

None

BIOS

AMI/Award

Dimensions

230mm x 215mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo switch

J2 pins 10 & 12 & 14

Keylock

J2 pins 1 & 3

Reset switch

J2 pins 18 & 20

Turbo LED

J2 pins 4 & 6

Speaker

J2 pins 13 & 15 & 17 & 19

Power LED

J2 pins 5 & 7 & 9

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP4

pins 3 & 4 closed

 

Monitor type select monochrome

JP4

pins 1 & 2 closed

 

NPX clock mode select CPU CLK/3

JP11

Closed

 

NPX clock mode select CPU CLK/1

JP11

Open

DRAM CONFIGURATION

Size

U25 - U28

U17 & U19

U33 - U36

U16 & U18

Bank 0

Bank 1

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

(2) 1M x 9

NONE

4MB

NONE

NONE

NONE

NONE

(2) 1M x 9

(2) 1M x 9

5MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 1M x 9

(2) 1M x 9

Note:Either DIP (U17,U19,U25,U26,U27,U28) or SIMM may be used as Bank 0.

DRAM JUMPER CONFIGURATION

Size

JP5

JP6

JP7

JP8

JP9

JP10

512KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

512KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

4MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

5MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Note:Pins designated should be in the closed position.