SCAMP 386SX Motherboard Settings and Configuration

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.