586SEM0.1 Motherboard Settings and Configuration

Processor	Pentium
Processor Speed	75/90/100/120/133/150MHz
Chip Set	SIS
Max. Onboard DRAM	128MB
Cache	256/512/1024KB
BIOS	Award
Dimensions	275mm x 220mm
I/O Options	32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), VRM module connector, cache slot
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
VRM module connector	CN1	Turbo switch	J12
Serial port 1	J4	Power LED & keylock	J13
Serial port 2	J5	Speaker	J15
Floppy drive interface	J6	Reset switch	J16
Parallel port	J7	Turbo LED	J17
IDE interface 1	J8	IDE interface LED	J18
IDE interface 2	J9	32-bit PCI slots	PC1 - PC4
Green PC LED	J10	Cache slot	SL1
Green PC connector	J11

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
	VRM on board regulator disabled	CN1	Open
	VRM on board regulator enabled	CN1	pins 6 & 7, 21 & 22 closed
	PCI clock select SYSCLCK/2	JP8	Open
	PCI clock select 33MHz	JP8	Closed
	Cache type select asynchronous	JP12	pins 1 & 2 closed
	Cache type select synchronous pipeline burst	JP12	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
2MB	(2) 256K x 36	NONE
2MB	NONE	(2) 256K x 36
4MB	(2) 512K x 36	NONE
4MB	NONE	(2) 512K x 36
4MB	(2) 256K x 36	(2) 256K x 36
6MB	(2) 256K x 36	(2) 512K x 36
6MB	(2) 512K x 36	(2) 256K x 36
8MB	(2) 1M x 36	NONE
8MB	NONE	(2) 1M x 36
8MB	(2) 512K x 36	(2) 512K x 36
10MB	(2) 256K x 36	(2) 1M x 36
10MB	(2) 1M x 36	(2) 256K x 36
12MB	(2) 512K x 36	(2) 1M x 36
12MB	(2) 1M x 36	(2) 512K x 36
16MB	(2) 2M x 36	NONE
16MB	NONE	(2) 2M x 36
16MB	(2) 1M x 36	(2) 1M x 36
18MB	(2) 256K x 36	(2) 2M x 36
18MB	(2) 2M x 36	(2) 256K x 36
20MB	(2) 512K x 36	(2) 2M x 36
20MB	(2) 2M x 36	(2) 512K x 36
24MB	(2) 1M x 36	(2) 2M x 36
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 4M x 36	NONE
32MB	NONE	(2) 4M x 36
32MB	(2) 2M x 36	(2) 2M x 36
34MB	(2) 256K x 36	(2) 4M x 36
34MB	(2) 4M x 36	(2) 256K x 36
36MB	(2) 512K x 36	(2) 4M x 36
36MB	(2) 4M x 36	(2) 512K x 36
40MB	(2) 1M x 36	(2) 4M x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 2M x 36	(2) 4M x 36
48MB	(2) 4M x 36	(2) 2M x 36
64MB	(2) 8M x 36	NONE

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
64MB	NONE	(2) 8M x 36
64MB	(2) 4M x 36	(2) 4M x 36
66MB	(2) 256K x 36	(2) 8M x 36
66MB	(2) 8M x 36	(2) 256K x 36
68MB	(2) 512K x 36	(2) 8M x 36
68MB	(2) 8M x 36	(2) 512K x 36
72MB	(2) 1M x 36	(2) 8M x 36
72MB	(2) 8M x 36	(2) 1M x 36
80MB	(2) 2M x 36	(2) 8M x 36
80MB	(2) 8M x 36	(2) 2M x 36
96MB	(2) 4M x 36	(2) 8M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36
Note: Board will accept x 32 SIMMs also.

CACHE CONFIGURATION
Size	Bank 0	TAG	SL1
256KB	(8) 32K x 8	(1) 8K x 8	Not installed
256KB	NONE	NONE	Installed
512KB	(8) 64K x 8	(1) 32K x 8	Not installed
512KB	NONE	NONE	Installed
1MB	(8) 128K x 8	(1) 32K x 8	Not installed
Note: If SL1 Is used, remove cache from Bank 0 and TAG.

CACHE JUMPER CONFIGURATION
Size	JP13	JP14
256KB	pins 1 & 2 closed	pins 1 & 2 closed
512KB	pins 1 & 2 closed	pins 2 & 3 closed
1MB	pins 2 & 3 closed	pins 2 & 3 closed

CACHE TYPE CONFIGURATION
Type	JP11
Mixed cache	pins 1 & 5, 2 & 6 closed
3.3v cache	pins 3 & 7, 4 & 8 closed

CPU SPEED CONFIGURATION
Speed	Voltage	JP9	JP10	JP18	JP19	JP20
75MHz	3.3v	Closed	Closed	1 & 2	Open	Open
90MHz	3.3v	Closed	Open	1 & 2	Open	Open
90MHz	3.4v	Closed	Open	3 & 4	Open	Open
90MHz	3.5v	Closed	Open	5 & 6	Open	Open
100MHz	3.5v	Open	Closed	5 & 6	Open	Open
120MHz	3.5v	Closed	Open	5 & 6	Closed	Open
133MHz	3.5v	Open	Closed	5 & 6	Closed	Open
150MHz	3.5v	Closed	Open	5 & 6	Closed	Closed
Note: Pins designated should be in the closed position.