Processor	80486SX/SL80486SX/80486SX2/CX486DX/UMCU5/80486DX/SL80486DX/ CX486DX2/80486DX2/SL80486DX2/P24D/80486DX4
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/100(internal)MHz
Chip Set	SIS
Max. Onboard DRAM	64MB
Cache	128/256KB
BIOS	Award
Dimensions	250mm x 220mm
I/O Options	32-bit VESA local bus slots (3), green PC connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Green PC LED	D1	Turbo switch	J5
Speaker	J1	Green PC connector	J6
Power LED & keylock	J2	External battery	J7
Reset switch	J3	Green PC connector	JP17
Turbo LED	J4	32-bit VESA local bus slots	SL1 - SL3

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	JP22	pins 1 & 2 closed
	CMOS memory clear	JP22	pins 2 & 3 closed
»	CPU type select Cyrix	JP25	Open
	CPU type select AM486DX2	JP25	Closed
	CPU type select AM486DX4	JP25	Open

DRAM 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) 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) 512K x 36	NONE	(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
10MB	(1) 256K x 36	(1) 256K x 36	(1) 2M x 36	NONE
10MB	(1) 512K x 36	NONE	(1) 2M x 36	NONE
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	NONE
12MB	(1) 2M x 36	NONE	(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	NONE	(1) 2M x 36	NONE
16MB	(1) 2M x 36	NONE	(1) 1M x 36	(1) 1M x 36
20MB	(1) 1M x 36	(1) 4M x 36	NONE	NONE
24MB	(1) 2M x 36	NONE	(1) 4M x 36	NONE
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
32MB	(1) 8M x 36	NONE	NONE	NONE
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
40MB	(1) 1M x 36	(1) 1M x 36	(1) 8M x 36	NONE
40MB	(1) 2M x 36	NONE	(1) 8M x 36	NONE
40MB	(1) 2M x 36	NONE	(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) 8M x 36	NONE
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
64MB	(1) 8M x 36	NONE	(1) 8M x 36	NONE

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

CACHE RESISTOR CONFIGURATION
Size	RP12	RP13
128KB	Installed	Not installed
256KB	Not installed	Installed

CPU TYPE CONFIGURATION
Type	JP9	JP10	JP16	JP20	JP21
80486SX	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
SL80486SX	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
80486SX2	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
SL80486SX2	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
ODP486SX	1 & 2	1 & 2	2 & 3	2 & 3	2 & 3
UMC U5	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
CX486DX	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
80486DX	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
SL80486DX	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
CX486DX2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
P24D	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
80486DX2	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
SL80486DX2	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
80486DX4	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	RP5	RP6	RP7	RP8	RP9	RP10
80486SX	Installed	Not installed	Not installed	Installed	Not installed	Not installed
SL80486SX	Installed	Not installed	Not installed	Installed	Not installed	Not installed
80486SX2	Installed	Not installed	Not installed	Installed	Not installed	Not installed
SL80486SX2	Installed	Not installed	Not installed	Installed	Not installed	Not installed
ODP486SX	Not installed	Installed	Not installed	Installed	Not installed	Not installed
UMC U5	Installed	Not installed	Not installed	Installed	Not installed	Not installed
CX486DX	Not installed	Installed	Not installed	Not installed	Installed	Not installed
80486DX	Not installed	Installed	Not installed	Installed	Not installed	Not installed
SL80486DX	Not installed	Installed	Not installed	Installed	Not installed	Not installed
CX486DX2	Not installed	Installed	Not installed	Not installed	Installed	Not installed
P24D	Not installed	Not installed	Installed	Not installed	Not installed	Installed
80486DX2	Not installed	Installed	Not installed	Installed	Not installed	Not installed
SL80486DX2	Not installed	Installed	Not installed	Installed	Not installed	Not installed
80486DX4	Not installed	Installed	Not installed	Installed	Not installed	Not installed

CPU SPEED CONFIGURATION (MX8315)
Speed	JP11	JP12	JP13
25MHz	Open	Closed	Open
33MHz	Closed	Closed	Closed
40MHz	Open	Closed	Closed
50iMHz	Open	Closed	Open
50MHz	Closed	Open	Open
66iMHz	Closed	Closed	Closed
75iMHz	Open	Closed	Open
80iMHz	Open	Closed	Closed
100iMHz	Closed	Closed	Closed

CPU SPEED CONFIGURATION (MXIMISC466)
Speed	JP11	JP12	JP13
25MHz	Open	Open	Open
33MHz	Closed	Open	Closed
40MHz	Open	Open	Closed
50iMHz	Open	Open	Open
50MHz	Closed	Open	Open
66iMHz	Closed	Open	Closed
75iMHz	Open	Open	Open
100iMHz	Closed	Open	Closed

CPU SPEED CONFIGURATION (80486DX4 ONLY)
Speed	JP15
Cyrix	pins 1 & 2 closed
2x	pins 2 & 3 closed
3x	Open

CPU VOLTAGE CONFIGURATION
Voltage	JP1	JP2	JP3	JP6
3v	Open	Open	Open	pins 1 & 2 closed
4v	Closed	Open	Open	pins 2 & 3 closed
5v	Closed	Closed	Closed	Open

VESA WAIT STATE CONFIGURATION
Wait states	JP4
0 wait states	pins 1 & 2 closed
1 wait state	pins 2 & 3 closed

BUS SPEED CONFIGURATION
CPU speed	JP5
<= 33MHz	pins 1 & 2 closed
> 33MHz	pins 2 & 3 closed