EDE ELECTRONIC LABORATORY SERVICES

CACHE 386

Processor

80386DX

Processor Speed

25/33MHz

Chip Set

Unknown

Max. onboard DRAM

4MB (16MB external)

SRAM Cache

32/64KB

BIOS

AMI/Phoenix

Dimensions

355mm x 305mm

I/O Options

32-bit memory card

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J1

Reset switch

W3

Power LED & Keylock

J2

Turbo switch

W4

External battery

J4

Turbo LED

W5

32-bit external memory card

S1

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Factory configured - do not alter

SW2/1

Off

»

Factory configured - do not alter

SW2/3

Off

»

Video BIOS shadowing enabled

SW2/4

On

 

Video BIOS shadowing disabled

SW2/4

Off

»

Factory configured - do not alter

SW2/5

Off

»

Monitor type select color

SW2/6

On

 

Monitor type select monochrome

SW2/6

Off

»

Cache enabled

SW2/7

On

 

Cache disabled

SW2/7

Off

»

Bus speed select 8.3MHz

SW2/8

Off

 

Bus speed select 12.5 MHz

SW2/8

On

»

Factory configured - do not alter

W1

Unknown

»

Factory configured - do not alter

W2

Unknown

CACHE CONFIGURATION

Size

Bank 0

Bank 1

32KB

(4) 8K x 8

NONE

64KB

(4) 8K x 8

(4) 8K x 8

CACHE JUMPER CONFIGURATION

Size

W4

W8

W13

Disabled

pins 2 & 3 closed

N/A

N/A

32KB

pins 1 & 2 closed

Closed

pins 1 & 2 closed

64KB

pins 1 & 2 closed

Open

pins 2 & 3 closed

DRAM CONFIGURATION

Jumper

1MB

2MB

4MB

8MB

12MB

16MB

SW1/1

On

Off

On

Off

Off

Off

SW1/2

Off

On

On

On

Off

Off

SW1/3

On

On

Off

Off

Off

Off

SW1/4

On

On

Off

Off

Off

Off

JP1

Open

Open

Open

Open

Open

Open

JP2

Open

Open

Open

Open

Closed

Closed

JP3

Open

Open

Open

Closed

Open

Closed

Bank 0

256K x 1

256K x 1

1024 x 1

1024 x 1

1024 x 1

1024 x 1

Bank 1

NONE

256K x 1

NONE

1024 x 1

1024 x 1

1024 x 1

Bank 2

NONE

NONE

NONE

NONE

(4) 1M x 9

(4) 1M x 9

Bank 3

NONE

NONE

NONE

NONE

NONE

(4) 1M x 9

Note: JP1, JP2, JP3, Bank 1, Bank 2, and Bank 3 are located on the 32-bit external memory card.

NPU CONFIGURATION

NPU

Mode

SW2/2

W7

W11

Disabled

N/A

Off

N/A

N/A

80387DX/3167

Asynchronous

On

pins 1 & 2 closed

pins 2 & 3 closed

80387DX/3167

Synchronous

On

pins 2 & 3 closed

pins 1 & 2 closed