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SM 386sx-20c

SPRITE, INC.

SM 386sx-20c

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

Forex

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI/MR

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP2

Power LED & keylock

JP9

Turbo LED

JP7

Speaker

JP10

Reset switch

JP8

Turbo switch

JP11

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP3

Closed

 

Monitor type select monochrome

JP3

Open

Factory configured - do not alter

JP100

Open

Parity check enabled

JP101

Closed

 

Parity check disabled

JP101

Open

External battery select 3.6VDC

JP200

Closed

 

External battery select 6.0VDC

JP200

Open

CMOS memory normal operation

JP202

Open

 

CMOS memory clear

JP202

Closed

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 (U15)

TAG (U16)

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

NONE

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

JP6A

JP6B

JP6C

64KB

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

128KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed