SPRITE, INC.

SM 486-66U

Processor

80486SX/80486DX/80486DX2

Processor Speed

25/33/50(internal)/50/66(internal)MHz

Chip Set

UMC

Max. Onboard DRAM

32MB

Cache

128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card slot

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

32-bit external memory card

CN1

Power LED & keylock

J7

External battery

J4

Reset switch

W7

Turbo switch

J5

Turbo LED

W11

Speaker

J6

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

W6

Closed

»

Monitor type select color

W8

Open

 

Monitor type select monochrome

W8

Closed

»

Factory configured - do not alter

W10

Open

»

Factory configured - do not alter

W13

Closed

»

Factory configured - do not alter

W14

pins 1 & 2 closed

»

Factory configured - do not alter

W15

Open

»

Factory configured - do not alter

W16

pins 1 & 2 closed

»

Factory configured - do not alter

W18

Open

Note:Jumper W18 may not appear on all board revisions.

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) 1M 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

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(4) 16K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(4) 16K x 4

CACHE JUMPER CONFIGURATION

Size

W1

W2

W3

W4

W5

128KB

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

256KB

2 & 3

2 & 3

2 & 3

1 & 2

2 & 3

Note:Pins designated should be in the closed position.