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386

UNIDENTIFIED

386

Processor

80386DX

Processor Speed

16/20/25MHz

Chip Set

C & T

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card slot

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo switch

J16

Speaker

J20

Power LED & keylock

J17

External battery

J22

Turbo LED 1

J18

Turbo LED 2

J23

Reset switch

J19

32-bit external memory card

S1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

NPU mode select synchronous with CPU

JP1

Open

 

NPU mode select asynchronous with CPU

JP1

Closed

NPU absent

JP2

Open

 

NPU present

JP2

Closed

Pipeline mode enabled

JP3

Closed

 

Pipeline mode disabled

JP3

Open

NPU enabled

JP4

Closed

 

NPU disabled

JP4

Open

Monitor type select color

JP7

Closed

 

Monitor type select monochrome

JP7

Open

CPU speed select low (OSC2)

J16

Open

 

CPU speed select high (OSC3)

J16

Closed

Battery type select internal

J22

pins 2 & 3 closed

 

Battery type select external

J22

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

DRAM JUMPER CONFIGURATION

Type

JP5

JP6

SIMM Banks 0 & 1, DRAM card Banks 2 & 3

pins 2 & 3, 4 & 5 closed

pins 2 & 3, 4 & 5 closed

DRAM card Banks 0 & 1, SIMM Banks 2 & 3

pins 1 & 2, 5 & 6 closed

pins 1 & 2, 5 & 6 closed

Note:When using onboard SIMMs only select default setting.