Processor	80486SX/80486DX/ODP486SX/80486DX2
Processor Speed	25/33/50(internal)/66(internal)MHz
Chip Set	Unidentified
Max. Onboard DRAM	32MB
Cache	128KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
VGA port	CN1	Floppy drive interface	CN6
Parallel port	CN2	IDE interface	CN7
Serial port 2	CN3	VGA feature connector	CN8
Serial port 1	CN4	LED connector	JP1
PS/2 mouse port	CN5	Speaker	JP2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	IRQ12 type select	J1	pins 1 & 2 closed
	IRQ12 type select	J1	pins 2 & 3 closed
»	CMOS memory normal operation	J3A	Open
	CMOS memory clear	J3A	Closed
»	Factory configured - do not alter	J3B	Closed
»	Monitor type select color	J3D	Closed
	Monitor type select monochrome	J3D	Open
»	Factory configured - do not alter	J3E	Open
»	Factory configured - do not alter	J3F	Closed
»	Floppy drive interface enabled	J3G	Closed
	Floppy drive interface disabled	J3G	Open
»	IDE interface enabled	J3H	Open
	IDE interface disabled	J3H	Closed
»	On board VGA controller enabled	J3I	Closed
	On board VGA controller disabled	J3I	Open
»	VGA feature connector disabled	J4	pins 1 & 2 closed
	VGA feature connector enabled	J4	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
4MB	(1) 1M x 36	NONE
8MB	(1) 1M x 36	(1) 1M x 36
8MB	(1) 2M x 36	NONE
12MB	(1) 2M x 36	(1) 1M x 36
16MB	(1) 2M x 36	(1) 2M x 36
16MB	(1) 4M x 36	NONE
20MB	(1) 4M x 36	(1) 1M x 36
24MB	(1) 4M x 36	(1) 2M x 36
32MB	(1) 4M x 36	(1) 4M x 36
32MB	(1) 8M x 36	NONE

CACHE CONFIGURATION
Size	Bank 0	TAG
128KB	(4) 32K x 8	(1) 8K x 8

CPU TYPE CONFIGURATION
Type	J2
80486SX	pins 1 & 2 closed
ODP486SX	pins 1 & 2 closed
80486DX	pins 2 & 3 closed
80486DX2	pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed	J3C
25MHz	Open
33MHz	Closed
50iMHz	Open
66iMHz	Closed