JC INFORMATION SYSTEMS CORPORATION

HIGH PERFORMANCE 386 (NON-CACHE)

Processor

80386DX

Processor Speed

20/25MHz

Chip Set

C & T

Max. Onboard DRAM

8MB

Cache

None

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card slot

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J1

Turbo LED

J4

Reset switch

J2

External battery

J9

Power LED & keylock

J3

32-bit external memory card

S1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Battery select internal

J9

pins 3 & 4 closed

 

Battery select external

J9

Closed

»

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

»

NPU disabled

JP2

Open

 

NPU enabled

JP2

pins 1 & 2, 3 & 4 closed

»

Factory configured - do not alter

JP3

N/A

DRAM CONFIGURATION

Size

Bank 0

P-0

Bank 1

1MB

(8) 44256

(4) 41256

NONE

1MB

NONE

NONE

(4) 256K x 9

2MB

(8) 44256

(4) 41256

(4) 256K x 9

4MB

(8) 441000

(4) 411000

NONE

4MB

NONE

NONE

(4) 1M x9

5MB

(8) 441000

(4) 411000

(4) 256K x 9

5MB

(8) 44256

(4) 41256

(4) 1M x9

8MB

(8) 441000

(4) 411000

(4) 1M x9

DRAM JUMPER CONFIGURATION

Function

JP4

JP6

JP7

Bank 0 as DIPP memory

pins 1 & 2 closed

pins 3 & 4 closed

pins 2 & 3 closed

Bank 0 as SIMM memory

pins 3 & 4 closed

pins 1 & 2 closed

pins 1 & 2 closed

Note : When using both DIPP & SIMM together, the DIPPs must be set as Bank 0.