VANTAGE-386SX Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	16/20MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	8MB
Maximum Video Memory	None
Cache	None
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	HD1	Turbo LED	J72 pins 2 & 3
External battery	J7	Power LED & keylock	JP61
Turbo switch	J71	Speaker	JP63
Note: On some versions, J72 is a 2 pin jumper.

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	NPU not installed	J18	Closed
	NPU installed	J18	Open
»	IRQ5 enabled	J73	Pins 1 & 2 closed
	IRQ5 disabled	J73	Pins 2 & 3 closed
»	Factory configured - do not alter	JP10	Closed
»	Factory configured - do not alter	JP62	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB	(2) 256K x 9	None	None	None
1MB	(2) 256K x 9	(2) 256K x 9	None	None
1.5MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	None
2MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9
2MB	(2) 1M x 9	None	None	None
3MB	(2) 256K x 9	(2) 256K x 9	(2) 1M x 9	None
4MB	(2) 1M x 9	(2) 1M x 9	None	None
5MB	(2) 256K x 9	(2) 256K x 9	(2) 1M x 9	(2) 1M x 9
6MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	None
8MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9
Note: The location of banks 0, 1, 2, & 3 are unidentified.