386/33-25 Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	25/33MHz
Chip Set	SIS
Max. Onboard DRAM	8MB
Cache	32/64/128KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit external memory card slot
NPU Options	80387

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	JP1	Turbo switch	JP14
Speaker	JP9	Turbo LED	JP22
Power LED & keylock	JP10	32-bit external memory card	S1
Reset switch	JP11

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Battery type select internal	JP2	pins 2 & 3 closed
	Battery type select external	JP2	pins 1 & 2 closed
»	CMOS memory normal operation	JP3	Open
	CMOS memory clear	JP3	Closed
»	Monitor type select color	JP4	pins 2 & 3 closed
	Monitor type select monochrome	JP4	pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 4	NONE
2MB	(4) 256K x 4	(4) 256K x 4
4MB	(4) 1M x 4	NONE
8MB	(4) 1M x 4	(4) 1M x 4

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
32KB	(4) 8K x 8	NONE	(2) 16K x 4
64KB	(4) 8K x 8	(4) 8K x 8	(2) 16K x 4
128KB	(4) 32K x 8	NONE	(2) 64K x 4

CACHE JUMPER CONFIGURATION
Size	JP12	JP13
32KB	pins 2 & 3 closed	pins 1 & 2 closed
64KB	pins 2 & 3 closed	pins 2 & 3 closed
128KB	pins 1 & 2 closed	pins 2 & 3 closed

CACHE JUMPER CONFIGURATION
Setting	JP15	JP16	JP20	JP21
Enabled	Open	Open	Open	Open
Disabled	Closed	Closed	Closed	Closed