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CACHE-386

UNIDENTIFIED

CACHE-386

Processor

80386DX

Processor Speed

25MHz

Chip Set

ZYMOS Poach

Max. Onboard DRAM

16MB

Cache

32KB

BIOS

Unidentified

Dimensions

355mm x 304mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J17

Speaker

J20

External keyboard

J18

Turbo LED

Unidentified

Reset switch

J19

External battery

Unidentified

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

NPU mode select asynchronous with CPU

JP1

pins 2 & 3 closed

 

NPU mode select synchronous with CPU

JP1

pins 1 & 2 closed

Factory configured - do not alter

JP2

N/A

Factory configured - do not alter

JP3

N/A

Factory configured - do not alter

JP4

N/A

Factory configured - do not alter

JP5

N/A

Factory configured - do not alter

JP10

N/A

Pipeline mode enabled

JP11

pins 1 & 2 closed

 

Pipeline mode disabled

JP11

pins 2 & 3 closed

Factory configured - do not alter

JP22

N/A

Factory configured - do not alter

JP25

N/A

CPU speed select fast (25MHz)

JP26

Open

 

CPU speed select slow (8MHz)

JP26

pins 1 & 2 closed

Monitor type select color

SW2

pins 1 & 2 closed

 

Monitor type select monochrome

SW2

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

1MB(EMS)

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

4MB (EMS)

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 1M x 9

(4) 256K x 9

NONE

NONE

6MB

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

NONE

7MB

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

9MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

NONE

10MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

12MB (EMS)

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

13MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB (EMS)

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

DRAM SWITCH CONFIGURATION

Size

SW4/1

SW4/2

SW4/3

SW4/4

1MB

On

On

On

On

1MB(EMS)

Off

On

On

On

2MB

On

Off

On

On

3MB

Off

Off

On

On

4MB

On

On

Off

On

4MB (EMS)

On

On

Off

On

5MB

Off

On

Off

On

6MB

On

Off

Off

On

7MB

Off

Off

Off

On

8MB

On

On

On

Off

9MB

Off

On

On

Off

10MB

On

Off

On

Off

12MB

Off

Off

On

Off

12MB (EMS)

On

On

Off

Off

13MB

Off

On

Off

Off

16MB

On

Off

Off

Off

16MB (EMS)

Off

Off

Off

Off

DRAM TYPE CONFIGURATION

Bank

DRAM type

SW1/1

SW1/2

SW1/3

SW1/4

Bank 0

256K x 9

On

N/A

N/A

N/A

Bank 0

1M x 9

Off

N/A

N/A

N/A

Bank 1

256K x 9

N/A

On

N/A

N/A

Bank 1

1M x 9

N/A

Off

N/A

N/A

Bank 2

256K x 9

N/A

N/A

On

N/A

Bank 2

1M x 9

N/A

N/A

Off

N/A

Bank 3

256K x 9

N/A

N/A

N/A

On

Bank 3

1M x 9

N/A

N/A

N/A

Off

DRAM MODE CONFIGURATION

Size

JP7

JP9

Bypass

pins 2 & 3 closed

pins 2 & 3 closed

Normal

pins 1 & 2 closed

pins 1 & 2 closed

CACHE CONFIGURATION

Note: The size of the cache chips are unidentified. Maximum cache size is 32KB.

NPU CONFIGURATION

Setting

JP6

JP8

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

Enabled

pins 2 & 3 closed

pins 2 & 3 closed