UNIDENTIFIED

386/40

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

C & T

Max. Onboard DRAM

32MB

Cache

32/64/128/256KB

BIOS

AMI/C & T

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP3

Reset switch

JP7

Power LED & keylock

JP5

Turbo LED

JP8

Speaker

JP6

Turbo switch

JP9

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

J3

N/A

»

Factory configured - do not alter

J4

N/A

»

NPU mode select synchronous with CPU

J5

Open

 

NPU mode select synchronous with OSC1

J5

Closed

»

Factory test disabled

J6

Open

 

Factory test enabled

J6

Closed

»

Monitor type select color

JP1

pins 1 & 2 closed

 

Monitor type select monochrome

JP1

pins 2 & 3 closed

»

Battery select internal

JP2

Closed

 

Battery select external

JP2

Open

»

CMOS memory normal operation

JP4

pins 1 & 2 closed

 

CMOS memory clear

JP4

pins 2 & 3 closed

»

Factory configured - do not alter

JP10

N/A

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

5MB

(4) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

DRAM JUMPER CONFIGURATION

Size

JP11

1MB

pins 2 & 3 closed

2MB

pins 1 & 2 closed

4MB

pins 2 & 3 closed

5MB

pins 2 & 3 closed

8MB

pins 1 & 2 closed

16MB

pins 2 & 3 closed

17MB

pins 2 & 3 closed

20MB

pins 2 & 3 closed

32MB

pins 1 & 2 closed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U35)

TAG (U37)

32KB

(4) 8K x 8

NONE

(1) 8K x 8

NONE

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

(1) 8K x 8

(1) 8K x 8

CACHE JUMPER CONFIGURATION

Size

SR1

SR2

SR3

SR4

SR5

32KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

64KB

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

128KB

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

256KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CACHE JUMPER CONFIGURATION (CON’T)

Size

SR6

SR7

SR8

SR9

SR10

SR11

32KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

64KB

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

128KB

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

256KB

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.