Processor	CX486S/80486SX/80486DX/AM486DX/80486DX2/CX486DX/ 80486DX4/P24D/P24T
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	128MB (EDO supported)
Maximum Video Memory	None
Cache	64/128/256KB
BIOS	Award
Dimensions	254mm x 218mm
I/O Options	32-bit VESA local bus slots (3), green PC connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	J17	Green PC connector	JP4
Speaker	J18	Green PC connector	JP6
Reset switch	J19	Green PC connector	JP7
External battery	J20	Green PC connector	JP8
Turbo switch	J21	32-bit VESA local bus slots	SL1 – SL3
Turbo LED	J22

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Monitor type select monochrome	JP3	Open
	Monitor type select color/EGA/VGA	JP3	Closed
»	CMOS memory normal operation	JP5	Pins 1 & 2 closed
	CMOS memory clear	JP5	Pins 2 & 3 closed
»	Factory configured - do not alter	JP17	Pins 2 & 3 closed
»	Factory configured - do not alter	JP27	Pins 1 & 2 closed
»	Factory configured - do not alter	JP34	Unidentified

SIMM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	None	None	None
2MB	(1) 256K x 36	(1) 256K x 36	None	None
2MB	(1) 512K x 36	None	None	None
4MB	(1) 256K x 36	(1) 256K x 36	(1) 512K x 36	None
4MB	(1) 512K x 36	(1) 512K x 36	None	None
4MB	(1) 1M x 36	None	None	None
5MB	(1) 256K x 36	(1) 1M x 36	None	None
6MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	None
6MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	None
8MB	(1) 256K x 36	(1) 256K x 36	(1) 512K x 36	(1) 1M x 36
8MB	(1) 512K x 36	(1) 512K x 36	(1) 1M x 36	None
8MB	(1) 1M x 36	(1) 1M x 36	None	None
8MB	(1) 2M x 36	None	None	None
10MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36
12MB	(1) 512K x 36	(1) 512K x 36	(1) 1M x 36	(1) 1M x 36
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) 2M x 36	(1) 2M x 36	None	None
16MB	(1) 4M x 36	None	None	None
17MB	(1) 256K x 36	(1) 4M x 36	None	None
18MB	(1) 256K x 36	(1) 256K x 36	(1) 4M x 36	None
18MB	(1) 512K x 36	(1) 4M x 36	None	None

SIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
20MB	(1) 512K x 36	(1) 512K x 36	(1) 4M x 36	None
20MB	(1) 1M x 36	(1) 4M x 36	None	None
24MB	(1) 512K x 36	(1) 512K x 36	(1) 1M x 36	(1) 4M x 36
24MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	None
24MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	None
32MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
32MB	(1) 4M x 36	(1) 4M x 36	None	None
32MB	(1) 8M x 36	None	None	None
36MB	(1) 512K x 36	(1) 512K x 36	(1) 4M x 36	(1) 4M x 36
36MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36	None
36MB	(1) 1M x 36	(1) 8M x 36	None	None
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
48MB	(1) 4M x 36	(1) 8M x 36	None	None
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
64MB	(1) 4M x 36	(1) 4M x 36	(1) 8M x 36	None
64MB	(1) 16M x 36	None	None	None
64MB	(1) 8M x 36	(1) 8M x 36	None	None
65MB	(1) 256K x 36	(1) 16M x 36	None	None
68MB	(1) 1M x 36	(1) 16M x 36	None	None
68MB	(1) 1M x 36	(1) 8M x 36	(1) 8M x 36	None
72MB	(1) 1M x 36	(1) 1M x 36	(1) 16M x 36	None
72MB	(1) 1M x 36	(1) 1M x 36	(1) 8M x 36	(1) 8M x 36
80MB	(1) 4M x 36	(1) 16M x 36	None	None
80MB	(1) 4M x 36	(1) 8M x 36	(1) 8M x 36	None
96MB	(1) 4M x 36	(1) 4M x 36	(1) 16M x 36	None
96MB	(1) 4M x 36	(1) 4M x 36	(1) 8M x 36	(1) 8M x 36
96MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	None
128MB	(1) 16M x 36	(1) 16M x 36	None	None
128MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
64KB	(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) 32K x 8	(4) 32K x 8	(1) 16K/32K x 8
256KB (B)	(4) 64K x 8	None	(1) 16K/32K x 8

CACHE JUMPER CONFIGURATION
Size	JP9	JP10	JP13
64KB	Pins 2 & 3 closed	Open	Pins 1 & 2 closed
128KB	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
256KB (A)	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
256KB (B)	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

CPU SPEED SELECTION
Speed	JP29	JP30	JP31
25MHz	Closed	Open	Closed
33MHz	Open	Closed	Closed
40MHz	Closed	Open	Open
50iMHz	Closed	Open	Closed
50MHz	Open	Closed	Open
66iMHz	Open	Closed	Closed
75iMHz	Closed	Open	Closed
100iMHz	Open	Closed	Closed

CPU TYPE SELECTION
Type	JP1	JP2	JP11	JP12	JP14
CX 486S	1 & 2	2 & 3	2 & 3	1 & 2	2 & 3
80486SX	2 & 3	1 & 2	3 & 4	2 & 3	2 & 3
CX 486DX	1 & 2	2 & 3	2 & 3	1 & 2	1 & 2
80486DX	2 & 3	1 & 2	3 & 4	2 & 3	1 & 2
AM486DX	2 & 3	1 & 2	3 & 4	2 & 3	1 & 2
80486DX2	2 & 3	1 & 2	3 & 4	2 & 3	1 & 2
80486DX4	2 & 3	1 & 2	3 & 4	2 & 3	1 & 2
P24D	2 & 3	1 & 2	1 & 2, 3 & 4	2 & 3	1 & 2, 3 & 4
P24T	2 & 3	1 & 2	3 & 4	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP15	JP16	JP18	JP19	JP20
CX 486S	Open	Open	2 & 3	2 & 3	Open
80486SX	Open	Open	2 & 3	4 & 5	Open
CX 486DX	3 & 4	Open	2 & 3	2 & 3	Open
80486DX	3 & 4	Open	2 & 3	4 & 5	Open
AM486DX	3 & 4	Open	2 & 3	4 & 5	Open
80486DX2	3 & 4	Open	2 & 3	4 & 5	Open
80486DX4	3 & 4	Open	2 & 3	4 & 5	Open
P24D	3 & 4	Closed	1 & 2	4 & 5	Open
P24T	2 & 3	Open	1 & 2	1 & 2	Open
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP21	JP22	JP23	JP32
CX 486S	Open	2 & 3	2 & 3	1 & 2
80486SX	1 & 2	Open	Open	1 & 2
CX 486DX	Open	2 & 3	2 & 3	1 & 2
80486DX	1 & 2	Open	Open	1 & 2
AM486DX	1 & 2	Open	Open	1 & 2
80486DX2	1 & 2	Open	Open	1 & 2
80486DX4	1 & 2	Open	Open	1 & 2
P24D	2 & 3	1 & 2	Open	1 & 2
P24T	Open	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage	JP24
3.3v	Pins 3 & 5, 4 & 6 closed
5v	Pins 1 & 3, 2 & 4 closed

VL BUS WAIT STATE SELECTION
Setting		JP25
	0	Pins 1 & 2 closed
»	1	Pins 2 & 3 closed

VL BUS SPEED SELECTION
Speed		JP26
	<= 33MHz	Pins 1 & 2 closed
»	>33 MHz	Pins 2 & 3 closed