OPTI 386-25/386-33 Motherboard Settings and Configuration

Processor	80386DX (Exact location is unknown)
Processor Speed	25/33MHz
Chip Set	OPTi
Max. Onboard DRAM	8MB
Cache	None
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit external memory card
NPU Options	80387DX/3167

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo LED	CR4	Power LED & keylock	J23
External battery	J10	Reset switch	SW1
Speaker	J22	Turbo switch	SW2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP1	Closed
	Monitor type select monochrome	JP1	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(4) 256K x 9	NONE	NONE	NONE
2MB	(4) 256K x 9	(4) 256K x 9	NONE	NONE
3MB	(4) 256K x 9	(4) 256K x 9	(36) 41256	NONE
4MB	(4) 256K x 9	(4) 256K x 9	(36) 41256	(36) 41256
4MB	(4) 1M x 9	NONE	NONE	NONE
5MB	(4) 256K x 9	(4) 1M x 9	NONE	NONE
8MB	(4) 1M x 9	NONE	(36) 411000	NONE
8MB	(4) 1M x 9	(4) 1M x 9	NONE	NONE
16MB	(4) 1M x 9	(4) 1M x 9	(36) 411000	(36) 411000
Note:The locations of Bank 2 & Bank 3 can be found on the external memory card.