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386 CACHE SERIES VER. 2.0

UNIDENTIFIED

386 CACHE SERIES VER. 2.0

Processor

80386DX

Processor Speed

16/20/25/33/40MHz

Chip Set

SIS

Max. Onboard DRAM

16MB (8MB on external memory card)

Cache

32/64/128KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP1

Speaker

JP20

Turbo LED

JP14

32-bit external memory card

SL1

Turbo switch

JP15

Reset switch

SW1

Power LED & keylock

JP19

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JP4

pins 1 & 2 closed

Factory configured - do not alter

JP5

Open

Factory configured - do not alter

JP6

pins 1 & 2 closed

 

Cache type select external

JP7

pins 2 & 3 closed

 

Cache type select internal

JP7

pins 1 & 2 closed

Monitor type select monochrome

JP13

Open

 

Monitor type select CGA/EGA/VGA

JP13

pins 1 & 2 closed

Factory configured - do not alter

JP16

pins 2 & 3 closed

Factory configured - do not alter

JP17

pins 2 & 3 closed

Note: The location of JP7 is unknown.

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

CACHE CONFIGURATION

Size

Bank 0

Bank 1

32KB

(4) 8K x 8

NONE

64KB

(4) 8K x 8

(4) 8K x 8

128KB

NONE

(4) 32K x 8

CACHE CONFIGURATION (TAG)

Size

U30

U31

U43

32KB

(1) 16K x 4

(1) 16K x 4

NONE

64KB

(1) 16K x 4

(1) 16K x 4

NONE

128KB

NONE

NONE

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP8

JP9

JP10

JP11

JP12

JP18

32KB

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

Open

64KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Open

128KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

128KB (internal)

1 & 2

1 & 2

1 & 2

1 & 2

Open

Open

Note: Pins designated should be in the closed position. The location of JP8 is unknown.