RT386DX Motherboard Settings and Configuration

Processor	AM386DX
Processor Speed	40MHz
Chip Set	OPTI
Video Chip Set	None
Maximum Onboard Memory	32MB
Maximum Video Memory	None
Cache	64KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80387/3167/CX387

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	JP11	Power LED & keylock	P6
Speaker	P5

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	J2	Open
»	NPU asynchronous with CPU	JP1	Closed
	NPU synchronous with CPU	JP1	Open
»	Factory configured - do not alter	JP4	Pins 2 & 3 closed
»	Factory configured - do not alter	JP5	Pins 1 & 2 closed
»	Factory configured - do not alter	JP6	Pins 1 & 2 closed
»	Factory configured - do not alter	JP7	Pins 1 & 2 closed
»	Factory configured - do not alter	JP8	Pins 2 & 3 closed
»	Factory configured - do not alter	JP9	Open
»	Battery type select internal	JP11	Pins 2 & 3 closed
	Battery type select Vectra battery	JP11	Open
	CMOS memory clear	JP11	Pins 3 & 4 closed
»	AT bus clock speed select 10MHz	JP20	Closed
	AT bus clock speed select 13.3MHz	JP20	Open
»	Monitor type select color/EGA/VGA	JP21	Closed
	Monitor type select monochrome	JP21	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1
4MB	(4) 1M x 9	None
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	None
20MB	(4) 1M x 9	(4) 4M x 9
20MB	(4) 4M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CACHE CONFIGURATION

Note: The location of the 64KB cache is unidentified.