Processor	80486SX/80486SX2/UMCU5/CX486DX/AM486DX/AM486DXL/80486DX/ CX486DX2/ AM486DX2/AM486DXL2/80486DX2/80486DX4/P24D/Pentium Overdrive
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Chip Set	SIS
Max. Onboard DRAM	64MB
Cache	64/128/256/512KB
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 connector	D4	Reset switch	J5
Green PC connector	J1	Turbo switch	J6
Power LED & keylock	J2	Turbo LED	J7
Speaker	J3	Green PC connector	JP13
External battery	J4	32-bit VESA local bus slots	SL1 - SL3

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	JP11	pins 1 & 2 closed
	CMOS memory clear	JP11	pins 2 & 3 closed
»	Factory configured - do not alter	RP1	N/A

DRAM CONFIGURATION (OPTION 1)
Size	Bank 0	Bank 1	Bank 2
1MB	(4) 256K x 9	NONE	NONE
4MB	(4) 1M x 9	NONE	NONE
16MB	(4) 4M x 9	NONE	NONE
64MB	(4) 16M x 9	NONE	NONE

DRAM CONFIGURATION (OPTION 2)
Size	Bank 0	Bank 1	Bank 2
1MB	NONE	(1) 256K x 36	NONE
2MB	NONE	(1) 256K x 36	(1) 256K x 36
4MB	NONE	(1) 1M x 36	NONE
5MB	NONE	(1) 256K x 36	(1) 1M x 36
8MB	NONE	(1) 1M x 36	(1) 1M x 36
16MB	NONE	(1) 4M x 36	NONE
20MB	NONE	(1) 1M x 36	(1) 4M x 36
32MB	NONE	(1) 4M x 36	(1) 4M x 36

DRAM CONFIGURATION (OPTION 3)
Size	Bank 0	Bank 1	Bank 2
2MB	NONE	(1) 512K x 36	NONE
8MB	NONE	(1) 2M x 36	NONE
10MB	NONE	(1) 512K x 36	(1) 2M x 36
16MB	NONE	(1) 2M x 36	(1) 2M x 36
32MB	NONE	(1) 8M x 36	NONE
40MB	NONE	(1) 2M x 36	(1) 8M x 36
64MB	NONE	(1) 8M x 36	(1) 8M x 36

DRAM CONFIGURATION (OPTION 4)
Size	Bank 0	Bank 1	Bank 2
2MB	(4) 256K x 9	(1) 256K x 36	NONE
5MB	(4) 256K x 9	(1) 1M x 36	NONE
6MB	(4) 256K x 9	(1) 256K x 36	(1) 1M x 36
8MB	(4) 1M x 9	(1) 1M x 36	NONE
12MB	(4) 1M x 9	(1) 1M x 36	(1) 1M x 36
18MB	(4) 256K x 9	(1) 256K x 36	(1) 4M x 36
20MB	(4) 1M x 9	(1) 4M x 36	NONE
24MB	(4) 1M x 9	(1) 1M x 36	(1) 4M x 36
32MB	(4) 4M x 9	(1) 4M x 36	NONE
36MB	(4) 1M x 9	(1) 4M x 36	(1) 4M x 36
48MB	(4) 4M x 9	(1) 4M x 36	(1) 4M x 36

DRAM CONFIGURATION (OPTION 5)
Size	Bank 0	Bank 1	Bank 2
12MB	(4) 1M x 9	(1) 2M x 36	NONE
16MB	(4) 1M x 9	(1) 2M x 36	(1) 1M x 36
36MB	(4) 1M x 9	(1) 8M x 36	NONE
48MB	(4) 4M x 9	(1) 8M x 36	NONE
64MB	(4) 4M x 9	(1) 8M x 36	(1) 4M x 36

DRAM RESISTOR CONFIGURATION
Setting	RP7	RP8	RP9	RP10
Option 1	Not installed	Not installed	Not installed	Installed
Option 2	Not installed	Installed	Not installed	Not installed
Option 3	Installed	Not installed	Not installed	Not installed
Option 4	Not installed	Not installed	Not installed	Installed
Option 5	Not installed	Not installed	Installed	Not installed

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	(4) 32K x 8	(4) 32K x 8	(1) 16K x 8 or (1) 32K x 8
256KB	(4) 64K x 8	NONE	(1) 16K x 8 or (1) 32K x 8
512KB	(4) 64K x 8	(4) 64K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP9	JP20
64KB	pins 1 & 2 closed	pins 1 & 2 closed
128KB	pins 2 & 3 closed	pins 1 & 2 closed
256KB	pins 2 & 3 closed	pins 1 & 2 closed
256KB	pins 2 & 3 closed	pins 1 & 2 closed
512KB	pins 2 & 3 closed	pins 2 & 3 closed

CACHE RESISTOR CONFIGURATION
Size	RP15	RP16	RP17	RP18	RP19
64KB	Installed	Not installed	Not installed	Not installed	Not installed
128KB	Not installed	Installed	Not installed	Not installed	Not installed
256KB	Not installed	Not installed	Installed	Not installed	Not installed
256KB	Not installed	Not installed	Not installed	Installed	Not installed
512KB	Not installed	Not installed	Not installed	Not installed	Installed

CPU TYPE CONFIGURATION
Type	JP3	JP17	JP18	JP21	JP23
80486SX	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
80486SX2	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
UMCU5	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
CX486DX	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
80486DX	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
80486DX2	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
80486DX4	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
P24D	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
P24T	2 & 3	2 & 3	1 & 2	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	RP3	RP4	RP5	RP6	RP30	RP31
80486SX	Not installed	Not installed	Installed	Not installed	Not installed	Installed
80486SX2	Not installed	Not installed	Installed	Not installed	Not installed	Installed
UMCU5	Not installed	Not installed	Installed	Not installed	Not installed	Installed
CX486DX	Installed	Not installed	Not installed	Not installed	Installed	Not installed
80486DX	Installed	Not installed	Not installed	Not installed	Not installed	Installed
80486DX2	Installed	Not installed	Not installed	Not installed	Not installed	Installed
80486DX4	Installed	Not installed	Not installed	Not installed	Not installed	Installed
P24D	Not installed	Installed	Not installed	Installed	Not installed	Not installed
P24T	Installed	Not installed	Not installed	Not installed	Not installed	Installed

CPU SPEED CONFIGURATION (MX8315/UM9515 CLOCK)
Speed	JP5	JP6	JP7
25MHz	Open	Open	Closed
33MHz	Closed	Closed	Closed
40MHz	Open	Closed	Closed
50iMHz	Open	Open	Closed
50MHz	Closed	Open	Open
66iMHz	Closed	Closed	Closed
75iMHz	Open	Open	Closed
100iMHz	Closed	Closed	Closed

CPU SPEED CONFIGURATION (IMI SC466 CLOCK)
Speed	JP5	JP6	JP7
25MHz	Open	Open	Open
33MHz	Closed	Closed	Open
40MHz	Open	Closed	Open
50iMHz	Open	Open	Open
50MHz	Closed	Open	Open
66iMHz	Closed	Closed	Open
75iMHz	Open	Open	Open
100iMHz	Closed	Closed	Open

CPU CORE FREQUENCY CONFIGURATION
CPU	JP22	JP27
Cyrix	pins 1 & 2 closed	Open
AMD486DX2	Open	Closed
Intel 80486DX (3x)	Open	Open
AMD486DX4	Open	Open
Intel 80486DX4 (2x)	pins 2 & 3 closed	Open

CPU VOLTAGE CONFIGURATION
Voltage	JP1	JP2	JP4	JP24
3.3v	Open	Open	Open	pins 1 & 2 closed
4.0v	Open	Open	Open	pins 2 & 3 closed
5.0v	Closed	Closed	Closed	Open

VESA WAIT STATE CONFIGURATION
Wait states	JP15
0 wait states	pins 1 & 2 closed
1 wait state	pins 2 & 3 closed

BUS SPEED CONFIGURATION
CPU speed	JP16
<= 33MHz	pins 1 & 2 closed
> 33MHz	pins 2 & 3 closed