P54C-SC Motherboard Settings and Configuration

Processor	Pentium
Processor Speed	75/90/100MHz
Chip Set	SIS
Max. Onboard DRAM	128MB
Cache	256/512/1024KB
BIOS	Award
Dimensions	270mm x 220mm
I/O Options	32-bit PCI slots (4)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	J4	Turbo switch	JP23
Speaker	J5	Turbo LED	LED 1
Power LED & keylock	J6	32-bit PCI slots	PC1 - PC4
External battery	JJ1
Note: The location of LED 1 is unidentified.

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	JJ2	pins 1 & 2 closed
	CMOS memory clear	JJ2	pins 2 & 3 closed
»	Factory configured - do not alter	JP1	N/A

DRAM CONFIGURATION
Size	Bank 0	Bank 1
2MB	(2) 256K x 36	NONE
4MB	(2) 512K x 36	NONE
4MB	(2) 256K x 36	(2) 256K x 36
6MB	(2) 512K x 36	(2) 256K x 36
6MB	(2) 256K x 36	(2) 512K x 36
8MB	(2) 1M x 36	NONE
8MB	(2) 512K x 36	(2) 512K x 36
10MB	(2) 1M x 36	(2) 256K x 36
10MB	(2) 256K x 36	(2) 1M x 36
12MB	(2) 1M x 36	(2) 512K x 36
12MB	(2) 512K x 36	(2) 1M x 36
16MB	(2) 2M x 36	NONE
16MB	(2) 1M x 36	(2) 1M x 36
18MB	(2) 2M x 36	(2) 256K x 36
18MB	(2) 256K x 36	(2) 2M x 36
20MB	(2) 2M x 36	(2) 512K x 36
20MB	(2) 512K x 36	(2) 2M x 36
24MB	(2) 2M x 36	(2) 1M x 36
24MB	(2) 1M x 36	(2) 2M x 36
32MB	(2) 4M x 36	NONE
32MB	(2) 2M x 36	(2) 2M x 36
34MB	(2) 4M x 36	(2) 256K x 36
34MB	(2) 256K x 36	(2) 4M x 36
36MB	(2) 4M x 36	(2) 512K x 36
36MB	(2) 512K x 36	(2) 4M x 36
40MB	(2) 4M x 36	(2) 1M x 36
40MB	(2) 1M x 36	(2) 4M x 36
48MB	(2) 4M x 36	(2) 2M x 36
48MB	(2) 2M x 36	(2) 4M x 36
64MB	(2) 8M x 36	NONE
64MB	(2) 4M x 36	(2) 4M x 36
66MB	(2) 8M x 36	(2) 256K x 36
66MB	(2) 256K x 36	(2) 8M x 36
68MB	(2) 8M x 36	(2) 512K x 36
68MB	(2) 512K x 36	(2) 8M x 36
72MB	(2) 8M x 36	(2) 1M x 36
72MB	(2) 1M x 36	(2) 8M x 36
80MB	(2) 8M x 36	(2) 2M x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
80MB	(2) 2M x 36	(2) 8M x 36
96MB	(2) 8M x 36	(2) 4M x 36
96MB	(2) 4M x 36	(2) 8M x 36
128MB	(2) 8M x 36	(2) 8M x 36

DRAM JUMPER CONFIGURATION
Type	JP24
Bank 0 using double side SIMM	pins 1 & 2 closed
Bank 0 using single side SIMM	pins 2 & 3 closed

CACHE CONFIGURATION
Size	Bank 0	TAG
256KB	(8) 32K x 8	(1) 8K or (1) 32K x 8
512KB	(8) 64K x 8	(1) 32K x 8
1MB	(8) 128K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	J19	J20
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

CPU SPEED CONFIGURATION
Speed	JP16	JP18
75MHz	Open	Open
90MHz	Open	Closed
100MHz	Closed	Closed