Processor	80486DX2/80486DX4
Processor Speed	50(internal)/66(internal)MHz
Chip Set	MIC
Max. Onboard DRAM	64MB
Cache	128/256KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (2), floppy drive interface, IDE interface (2), parallel port, PS/2 mouse port, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	CN1	Parallel port	J16
IDE interface 1	CN2	Speaker	J33
IDE interface 2	CN3	Power LED & keylock	J34
Floppy drive interface	CN4	IDE interface LED	W11
Serial port 2	CN5	Reset switch	W12
PS/2 mouse port	J13	32-bit VESA Local bus slots	J29 & J30

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Factory configured - do not alter	W1	Closed
»	Monitor type select color	W2	Closed
	Monitor type select monochrome	W2	Open
»	Mouse IRQ12 enabled	W3	Closed
	Mouse IRQ12 disabled	W3	Open
»	Clear NVRAM disabled	W5	Open
	Clear NVRAM enabled	W5	Closed
»	Factory configured - do not alter	W8	Pins 2 & 3 closed
»	Factory configured - do not alter	W10	Pins 2 & 3 closed
»	Factory configured - do not alter	W11	Pins 2 & 3 closed
»	Processor is Intel486 DX, DX2, DX4, Pentium or Pentium Pro	W12	Pins 1 & 2 closed
	Processor is Intel486 SX	W12	Pins 2 & 3 closed
»	Factory configured - do not alter	W13	Open
»	Factory configured - do not alter	W16	Pins 2 & 3 closed
»	Factory configured - do not alter	W17	Pins 2 & 3 closed
»	Factory configured - do not alter	W18	Open
»	Factory configured - do not alter	W19	Closed
»	Factory configured - do not alter	W22	Pins 2 & 3 closed
»	Factory configured - do not alter	W23	Pins 2 & 3 closed
»	Factory configured - do not alter	W24	Pins 2 & 3 closed
»	Factory configured - do not alter	W25	Open
»	IDE port 1 enabled	W34	Pins 1 & 2 closed
	IDE port 1 disabled	W34	Pins 2 & 3 closed
»	Factory configured - do not alter	W35	Open
»	Parallel port IRQ = 7	W36	Pins 1 & 2 closed
	Parallel port IRQ = 5	W36	Pins 2 & 3 closed
»	ECP DMA = 3	W37	Pins 2 & 3 closed
	ECP DMA = 1	W37	Pins 1 & 2 closed
»	ECP DMA = 3	W38	Pins 2 & 3 closed
	ECP DMA = 1	W38	Pins 1 & 2 closed
»	Factory configured - do not alter	W39	Open
»	Factory configured - do not alter	W40	Open
»	Factory configured - do not alter	SW1/2	Closed
»	Factory configured - do not alter	SW1/3	Open
»	Factory configured - do not alter	SW1/4	Open
Note: The locations of the factory confugured jumpers is unidentified.

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	(1) 1M x 36	NONE	NONE	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	NONE
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 4M x 36	NONE	NONE	NONE
20MB	(1) 1M x 36	(1) 4M x 36	NONE	NONE
24MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	NONE
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
36MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
40MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	NONE
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
128KB	(4) 32K x 8	NONE	(2) 16K x 8
256KB	(4) 32K x 8	(4) 32K x 8	(2) 16K x 8

CPU SPEED CONFIGURATION
Speed	SW1/1	SW1/2	SW1/3	SW1/4
50iMHz	Open	Factory configured	Factory configured	Factory configured
66iMHz	Closed	Factory configured	Factory configured	Factory configured