486/25 Motherboard Settings and Configuration

Processor	80486SX
Processor Speed	25MHz
Chip Set	Intel
Max. Onboard DRAM	16MB (on external memory card)
Cache	None
BIOS	Award
Dimensions	330mm x 218mm
I/O Options	External memory card
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	CON1	Speaker	CON5
Turbo LED	CON2	Power LED & keylock	CON6
Turbo switch	CON3	External memory card	SL1
Reset switch	CON4

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Battery type select internal	JP1	pins 1 & 2 closed
	Battery type select external	JP1	pins 2 & 3 closed
»	Monitor type select color	JP2	pins 1 & 2 closed
	Monitor type select monochrome	JP2	pins 2 & 3 closed
»	Power good signal detect from power supply	JP3	pins 1 & 2 closed
	Power good signal detect from board	JP3	pins 2 & 3 closed
»	Factory configured - do not alter	JP4	Open
»	Factory configured - do not alter	M1	Open

DRAM CONFIGURATION (DIP MEMORY CARD)
Size	Bank 0	Bank 1
1MB	(36) 41256	NONE
2MB	(36) 41256	(36) 41256
4MB	(36) 411000	NONE
8MB	(36) 411000	(36) 411000

DRAM CONFIGURATION (SIMM MEMORY CARD)
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
4MB	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9
8MB	(4) 1M x 9	(4) 1M x 9	NONE	NONE
16MB	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9

DRAM SWITCH CONFIGURATION (DIP MEMORY CARD ONLY)
Size	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6
1MB	On	On	On	On	On	On
2MB	On	On	On	On	On	Off
4MB	Off	Off	On	On	Off	On
8MB	Off	Off	Off	On	Off	Off