M54LI (REV. 1B) Motherboard Settings and Configuration

Processor	Pentium
Processor Speed	75/90/100/120/133MHz
Chip Set	SIS
Max. Onboard DRAM	128MB
Cache	256/512KB
BIOS	Phoenix
Dimensions	330mm x 218mm
I/O Options	PS/2 mouse interface, parallel port, serial ports (2), 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	J2	Serial port 2	J34
Reset switch	J12	Parallel port	J35
Power LED & keylock	J14	IDE interface 1	J36
PS/2 mouse interface	J16	IDE interface LED	J41
IDE interface 2	J23	32-bit PCI slots	PC1 - PC3
Floppy drive interface	J32	Turbo LED	W43
Serial port 1	J33

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	W18	Open
	CMOS memory clear	W18	Closed
»	BIOS normal operation	W21	pins 1 & 2 closed
	BIOS recovery mode	W21	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	NONE
16MB	(2) 1M x 36	(2) 1M x 36
16MB	(2) 2M x 36	NONE
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 4M x 36	NONE
32MB	(2) 2M x 36	(2) 2M x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 4M x 36	(2) 2M x 36
64MB	(2) 8M x 36	NONE
64MB	(2) 4M x 36	(2) 4M x 36
72MB	(2) 8M x 36	(2) 1M x 36
80MB	(2) 8M x 36	(2) 2M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36

CACHE CONFIGURATION
Size	Bank 0	TAG
256KB	(8) 32K x 8	(2) 32K x 8
512KB	(8) 64K x 8	(2) 32K x 8

CACHE JUMPER CONFIGURATION
Size	W2	W3
256KB	Open	Open
512KB	Closed	Open

CACHE VOLTAGE CONFIGURATION
Voltage	RP55	RP56
3.3v	Not installed	Installed
5v	Installed	Not installed

CPU SPEED CONFIGURATION
Speed	W4	W14	W15	W16
75MHz	Open	Closed	Closed	Open
90MHz	Open	Closed	Open	Closed
100MHz	Open	Open	Closed	Open
120MHz	Closed	Closed	Open	Closed
133MHz	Closed	Open	Closed	Open

DMA CONFIGURATION
DMA	W11	W12
DMA 1	pins 1 & 2 closed	pins 1 & 2 closed
DMA 3	pins 2 & 3 closed	pins 2 & 3 closed