...because we can't all be on the bleeding edge...





486 25/33

U.S. INTEGRATED TECHNOLOGIES, INC.

486 25/33

Processor

80486DX

Processor Speed

25/33/40MHz

Chip Set

Unidentified

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card slot

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

JP8

Reset switch

SW1

External battery

JP10

32-bit external memory card

S2

Power LED & keylock

JP11

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

Speaker type select internal

JP7

pins 1 & 2 closed

 

Speaker type select external

JP7

pins 2 & 3 closed

Battery type select internal

JP9

pins 1 & 2 closed

 

Battery type select external

JP9

pins 2 & 3 closed

Factory configured - do not alter

JP31

Closed

Factory configured - do not alter

JP32

Open

Factory configured - do not alter

JP33

Closed

Factory configured - do not alter

JP34

Closed

Factory configured - do not alter

JP35

Closed

Factory configured - do not alter

JP36

Closed

Factory configured - do not alter

JP37

Closed

Factory configured - do not alter

JP39

pins 2 & 3 closed

Factory configured - do not alter

JP40

pins 1 & 2 closed

Factory configured - do not alter

JP41

pins 2 & 3 closed

Factory configured - do not alter

JP45

pins 1 & 2, 3 & 4 closed

Factory configured - do not alter

JP46

pins 1 & 2, 3 & 4 closed

Factory configured - do not alter

JP48

Open

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) 256K x 9

(4) 1 M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 256K x 9

(4) 4M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

TAG

64KB

(8) 8K x 8

(2) 16K x 4

256KB

(8) 32K x 8

(2) 16K x 4

CACHE JUMPER CONFIGURATION

Size

JP4

JP5

JP6

JP20

JP21

64KB

Open

2 & 3

2 & 3

Open

Open

256KB

Closed

1 & 2

1 & 2

Closed

Closed

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

S1/3

S1/4

S1/5

S1/6

25MHz

On

Off

Off

Off

33MHz

On

Off

Open

On

40MHz

Off

On

Off

On