Processor	CX486M6/80486SX/CX486S2/80487SX/CX486M7/80486DX/80486DX2/ Pentium Overdrive
Processor Speed	20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set	UNI
Max. Onboard DRAM	64MB
Cache	32/64/128/256/512KB
BIOS	AMI/Award
Dimensions	248mm x 218mm
I/O Options	32-bit VESA local bus slots (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	CN1	Turbo LED	CN5
Speaker	CN2	External battery	J1
Reset switch	CN3	32-bit VESA local bus slots	SL1 & SL2
Turbo switch	CN4

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Battery type select internal	J1	pins 2 & 3 closed
	CMOS memory clear	J1	pins 3 & 4 closed
	CMOS memory clear (see note below)	J1	pins 3 & 4 closed
»	Factory configured - do not alter	JP1	N/A
»	Factory configured - do not alter	JP2	N/A
»	Factory configured - do not alter	JP9	pins 2 & 3 closed
»	Factory configured - do not alter	JP12	pins 2 & 3 closed
	PQFP CPU disabled	JP13	Closed
	PQFP CPU enabled	JP13	Open
»	Factory configured - do not alter	JP27	Closed
»	Regular I/O reset	JP29	pins 1 & 2 closed
	Special I/O reset (CP 30254 HDD)	JP29	pins 2 & 3 closed
	Battery type select NI-CD	JP33	pins 1 & 2 closed
	Battery type select Lithum	JP33	pins 2 & 3 closed
	Monitor type select color	JP34	Closed
	Monitor type select monochrome	JP34	Open
Note: If Lithum battery is installed, close jumper 1 & 2 on JP33. The location of JP29 is unidentified.

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
1MB	(4) 256K x 9	NONE	NONE
1MB	NONE	(1) 256K x 36	NONE
2MB	(4) 256K x 9	NONE	(1) 256K x 36
4MB	(4) 1M x 9	NONE	NONE
4MB	NONE	(1) 1M x 36	NONE
5MB	(4) 256K x 9	NONE	(1) 1M x 36
8MB	(4) 1M x 9	NONE	(1) 1M x 36
16MB	(4) 4M x 9	NONE	NONE
20MB	(4) 4M x 9	NONE	(1) 1M x 36
64MB	(4) 16M x 9	NONE	NONE

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
32KB	(4) 8K x 8	NONE	(1) 8K x 8
64KB (A)	(4) 16K x 8	NONE	(1) 8K x 8
64KB (B)	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8
128KB	(4) 32K x 8	NONE	(1) 8K x 8
256KB (A)	(4) 64K x 8	NONE	(1) 16K or (1) 32K x 8
256KB (B)	(4) 32K x 8	(4) 32K x 8	(1) 16K or (1) 32K x 8
512KB	(4) 128K x 8	NONE	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP22	JP23	JP24	JP25
32KB	Open	Open	Open	6 & 7
64KB (A)	Open	Open	Closed	4 & 5, 6 & 7
64KB (B)	Open	Open	Closed	5 & 6
128KB	Closed	Open	Closed	2 & 3, 4 & 5, 6 & 7
256KB (A)	Closed	Open	Closed	2 & 3, 4 & 5, 6 & 7
256KB (B)	Closed	Open	Closed	1 & 2, 3 & 4, 5 & 6
512KB	Closed	Closed	Closed	2 & 3, 4 & 5, 6 & 7
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type	JP10
CX486M6	pins 5 & 6 closed
80486SX	pins 5 & 6 closed
80487SX	pins 2 & 3, 4 & 5, 6 & 7 closed
80486DX	pins 1 & 2, 4 & 5, 6 & 7 closed
CX486M7	pins 1 & 2, 4 & 5, 6 & 7 closed
80486DX2	pins 1 & 2, 4 & 5, 6 & 7 closed
Pentium Overdrive	pins 2 & 3, 4 & 5, 6 & 7 closed

CPU TYPE CONFIGURATION
Type	JP28	JP32
Any CPU installed	pins 2 & 3 closed	pins 1 & 2 closed
CX486M6 only	pins 1 & 2 closed	pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type	JP6
Any CPU installed	Open
CX486S2 only	Closed

CPU TYPE CONFIGURATION
Type	JP8	JP11
Any CPU installed	Open	pins 1 & 2 closed
CX486M6/Pentium Overdrive only	Closed	pins 2 & 3 closed

CPU SPEED CONFIGURATION (KTS-802C PLL5205 ONLY)
Speed	JP14	JP15	JP16
20MHz	Open	Open	Closed
25MHz	Closed	Open	Closed
33MHz	Closed	Closed	Closed
40MHz	Open	Open	Open
50iMHz	Closed	Open	Closed
50MHz	Open	Open	Open
66iMHz	Closed	Closed	Closed

CPU SPEED CONFIGURATION (MX8310-15 ONLY)
Speed	JP17	JP18	JP19
20MHz	Open	Open	Open
25MHz	Closed	Open	Open
33MHz	Closed	Closed	Closed
40MHz	Closed	Closed	Open
50iMHz	Closed	Open	Open
50MHz	Open	Open	Closed
66iMHz	Closed	Closed	Closed

VL BUS SPEED CONFIGURATION
» CPU speed		JP3
»	<= 33MHz	Open
»	> 33MHz	Closed

VL BUS CONFIGURATION
Setting	JP20	JP21
SL2 set as a slave	pins 1 & 2 closed	pins 1 & 2 closed
SL2 set as a master/slave	pins 2 & 3 closed	pins 2 & 3 closed