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286-12/16/20 MODEL 1080 VER 1.1C

JC INFORMATION SYSTEMS CORPORATION

286-12/16/20 MODEL 1080 VER 1.1C

Processor

80286

Processor Speed

12/16/20MHz

Chip Set

C & T SCAT

Max. Onboard DRAM

4MB

Cache

None

BIOS

C & T

Dimensions

220mm x 220mm

I/O Options

8-bit factory test card slot

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J1

Turbo LED

J4

Power LED & keylock

J2

External battery

J6

Reset switch

J3

8-bit factory test card

S1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation (internal battery)

J5

pins 2 & 3 closed

 

CMOS memory normal operation (external battery)

J5

Open

 

CMOS memory clear

J5

pins 1 & 2 closed

Monitor type select color

J7

Closed

 

Monitor type select monochrome

J7

Open

DRAM CONFIGURATION

Size

U23, U27,

U31, U35

U28 & U36

U4, U8,

U13, U17

U9 & U18

U19-U36

U1-U18

512KB

(4) 44256

(2) 41256

NONE

NONE

N/A

N/A

1MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

N/A

N/A

2MB

N/A

N/A

N/A

N/A

(18) 411000

NONE

4MB

N/A

N/A

N/A

N/A

(18) 411000

(18) 411000