MB386 Motherboard Settings and Configuration

Processor	80386DX
Processor speed	16/20MHz
Chip Set	TI
Max. Onboard DRAM	4MB
BIOS	Mylex
Cache	64KB
Dimensions	330mm x 305mm
I/O Options	None
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	J2	Battery	J21
Speaker	J19	Turbo LED	J39
Keylock	J20

USER CONFIGURABLE SETTINGS
Function		Switch	Position
»	Factory configured - do not alter	J6	N/A
»	EGA BIOS disabled	SW1/5	Off
	EGA BIOS enabled	SW1/5	On
»	Factory configured - do not alter	SW1/6	Off
»	CPU speed select 16MHz (cache enabled)	SW1/7	Off
	CPU speed select 8MHz (cache disabled)	SW1/7	On
»	Monitor type select color	SW1/8	On
	Monitor type select monochrome	SW1/8	Off

DRAM CONFIGURATION
Size	Bank 0
1MB	(36) 41256
4MB	(36) 411000

DRAM SWITCH CONFIGURATION
DRAM< 1MB	DRAM> 1MB	Cacheable DRAM < 1MB	SW1/1	SW1/2
256KB	0KB	256KB	On	On
256KB	0KB	512KB	On	Off
256KB	0KB	640KB	On	Off
512KB	512KB	640KB	Off	On
640KB	0KB	640KB	Off	On
640KB	348KB	640KB	Off	On
512KB	3MB	512KB	Off	Off
512KB	3.5MB	512KB	Off	Off
640KB	3MB	640KB	Off	Off
640KB	3.348MB	640KB	Off	Off

DRAM SWITCH CONFIGURATION (CON’T)
DRAM< 1MB	DRAM> 1MB	Cacheable DRAM < 1MB	SW1/3	SW1/4
256KB	0KB	256KB	On	Off
256KB	0KB	512KB	On	Off
256KB	0KB	640KB	Off	Off
512KB	512KB	640KB	On	Off
640KB	0KB	640KB	Off	On
640KB	348KB	640KB	Off	Off
512KB	3MB	512KB	On	On
512KB	3.5MB	512KB	On	Off
640KB	3MB	640KB	Off	On
640KB	3.348MB	640KB	Off	Off