SUPERBOARD 486(DX2) Motherboard Settings and Configuration

Processor	80486SX/80486DX/ODP486SX/80486DX2
Processor Speed	20/25/40/50(internal)/66(internal)MHz
Chip Set	OPTI
Max. Onboard DRAM	32MB
Cache	64/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit proprietary video card slot
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J10	32-bit proprietary video card	S1
Power LED & keylock	J23	Reset switch	SW1
Speaker	J24	Turbo switch	SW2
Turbo LED	JP12

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP1	Open
	Monitor type select monochrome	JP1	Closed
»	CMOS memory normal operation	JP2	pins 2 & 3 closed
	CMOS memory clear	JP2	pins 1 & 2 closed
»	Factory configured - do not alter	JPX	N/A
»	Factory configured - do not alter	JPY	N/A
»	Factory configured - do not alter	JP13	N/A

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
32MB	(4) 4M x 9	(4) 4M x 9

CACHE CONFIGURATION
Size	Bank 0	TAG (U34)	TAG (U33)
64KB	(8) 8K x 8	(1) 8K x 8	(1) 64K x 1
256KB	(8) 32K x 8	(1) 32K x 8	(1) 64K x 1

CACHE JUMPER CONFIGURATION
Size	JP8	JP9	JP10	JP11
64KB	Open	Open	Open	Open
256KB	Closed	Closed	Open	Closed

CPU TYPE CONFIGURATION
Type	OSC	JP4	JP5	JP6	JP7
80486SX-20	20MHz	1 & 2	Open	2 & 3	Open
80486SX-20	40MHz	2 & 3	Open	2 & 3	Open
ODP486SX-50	25MHz	1 & 2	Open	2 & 3	Open
ODP486SX-50	50MHz	2 & 3	Open	2 & 3	Open
80486DX-25	25MHz	1 & 2	2 & 3	1 & 2	Closed
80486DX2-50	50iMHz	2 & 3	2 & 3	1 & 2	Closed
80486DX-33	66MHz	2 & 3	2 & 3	1 & 2	Closed
80486DX2-50	50iMHz	2 & 3	2 & 3	1 & 2	Closed
80486DX2-66	66MHz	2 & 3	2 & 3	1 & 2	Closed
Note: Pins designated should be in the closed position.