HwMuseum | Index

UNIDENTIFIED

SCAMP 386SX

Processor

80386SX/CX486SLC (exact location unidentified)

Processor Speed

16/20/25/33MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB

Cache

None

BIOS

Unidentified

Dimensions

218mm x 168mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

CN1

Turbo switch

JP6

External battery

CN2

Turbo LED

JP8

Power LED & keylock

CN3

Reset switch

JP14

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

HDR1

pins 1 & 2 closed

 

CMOS memory clear

HDR1

pins 3 & 4 closed

 

Pipeline mode disabled

JP1

Open

 

Pipeline mode enabled

JP1

Closed

 

Monitor type select monochrome

JP4

Open

 

Monitor type select color

JP4

Closed

»

Keyboard matching select normal operation

JP5

Open

 

Keyboard matching select keyboard error during boot-up

JP5

Closed

 

CPU clock speed select software turbo

JP7

pins 1 & 2 closed

 

CPU clock speed select hardware turbo

JP7

pins 2 & 3 closed

 

NPU clock select CPU clock speed

JP11

Open

 

NPU clock select NPU clock speed

JP11

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256K x 9

NONE

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

2.5MB

(2) 1M x 9

(2) 256K x 9

2.5MB

(2) 256K x 9

(2) 1M x 9

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

CPU SPEED CONFIGURATION

Speed

JP2

16MHz

Open

20MHz

Open

25MHz

Open

33MHz

Closed

Note: If CPU speed is 16MHz or 20MHz, set Fast Clock Divider in Advanced CMOS Setup to 4.