P55TPIO Motherboard Settings and Configuration

Processor	Pentium
Processor Speed	75/90/100/120/133/150/166MHz
Chip Set	Intel
Max. Onboard DRAM	128MB
Cache	256/512KB
BIOS	Award
Dimensions	290mm 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 connector, cache slot
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	CN1	Power LED & keylock	J11
Serial port 2	CN2	IDE interface LED	J12
Parallel port	CN3	Green PC connector	J13
Floppy drive interface	CN4	Turbo LED	J14
IDE interface 1	CN5	Turbo switch	J15
IDE interface 2	CN6	Reset switch	J16
VRM connector	CN7	32-bit PCI slots	PC1 - PC4
Speaker	J10	Cache slot	SL1

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Flash BIOS voltage select 5v	JP9	pins 1 & 2 closed
	Flash BIOS voltage select 12v	JP9	pins 2 & 3 closed
»	CMOS memory normal operation	JP19	Open
	CMOS memory clear	JP19	Closed

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

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
80MB	(2) 8M x 36	(2) 2M x 36
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
Note: Board will also accept non-parity chips.

CACHE CONFIGURATION
Size	Bank 0	TAG	SL1
256KB (A)	(8) 32K x 8	(1) 32K x 8	Not installed
256KB (B)	NONE	NONE	Installed
512KB (A)	(8) 64K x 8	(1) 32K x 8	Not installed
512KB (B)	NONE	NONE	Installed

CACHE JUMPER CONFIGURATION
Size	JP10	JP11	JP12	JP20
None	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	Open
256KB (A)	pins 2 & 3 closed	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2, 3 & 4 closed
256KB (B)	Open	Open	Open	Open
512KB (A)	pins 1 & 2 closed	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2, 3 & 4 closed
512KB (B)	Open	Open	Open	Open

CACHE VOLTAGE CONFIGURATION
Voltage	JP8
Mixed mode	pins 1 & 2 closed
3.3v	pins 2 & 3 closed

CPU CLOCK SPEED CONFIGURATION
Speed	JP6	JP7	JP18
50MHz	pins 2 & 3 closed	pins 2 & 3 closed	pins 1 & 2 closed
60MHz	pins 1 & 2 closed	pins 2 & 3 closed	pins 2 & 3 closed
66MHz	pins 2 & 3 closed	pins 1 & 2 closed	pins 2 & 3 closed

CPU CLOCK RATIO CONFIGURATION
Core/bus ratio	JP14	JP15
1.5	pins 1 & 2 closed	pins 1 & 2 closed
2	pins 2 & 3 closed	pins 1 & 2 closed
2.5	pins 2 & 3 closed	pins 2 & 3 closed
3	pins 1 & 2 closed	pins 2 & 3 closed

CPU VOLTAGE CONFIGURATION
Voltage	JP17
3.3v	pins 1 & 2 closed
3.4v	pins 2 & 3 closed
3.5v	pins 4 & 5 closed

VRM CONFIGURATION
CPU type	CN7
P54C	pins 4 & 5, 6 & 7, 19 & 20, 21 & 22 closed
P55C	VRM installed
Note: Pin 1 is shown for clarification purposes only.