P55TPIO-B/P55TSPIO-B Motherboard Settings and Configuration

Processor	CX M1/Pentium
Processor Speed	75/90/100/120/133/150/166/200MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	128MB
Maximum Video Memory	None
Cache	256/512KB
BIOS	Award
Dimensions	290mm x 220mm
I/O Options	32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), audio bus slot, VRM connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 2	J2	IDE interface LED	J14
Serial port 1	J3	Green PC connector	J15
Floppy drive interface	J6	Turbo LED	J16
Parallel port	J7	Turbo switch	J17
IDE interface 2	J8	Reset switch	J18
IDE interface 1	J9	32-bit PCI slots	PC1 - PC3
Speaker	J12	Audio bus slot	SL1
Power LED & keylock	J13	VRM connector	VRM

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Sound interface enabled	JP2	Open
	Sound interface disabled	JP2	Closed
»	Flash BIOS voltage select 5v	JP5	Pins 1 & 2 closed
	Flash BIOS voltage select 12v	JP5	Pins 2 & 3 closed
»	CMOS memory normal operation	JP12	Open
	CMOS memory clear	JP12	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
4MB	(2) 512K x 36	None
8MB	(2) 1M x 36	None
8MB	(2) 512K x 36	(2) 512K 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
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
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
68MB	(2) 8M x 36	(2) 512K x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
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
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 also accepts x 32 SIMMs.

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
256KB	(2) 32K x 32	None	(1) 16K/32K x 8
512KB	(2) 32K x 32	(2) 32K x 32	(1) 16K/32K x 8
Note: The location of the TAG is unidentified.

CPU SPEED SELECTION
Speed	JP3	JP4	JP11
75MHz	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
90MHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
100MHz	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
120MHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
133MHz	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
150MHz	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
166MHz	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
180MHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
200MHz	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

CPU MULTIPLIER SELECTION (CYRIX)
Multiplier	JP7	JP8
1x	Pins 2 & 3 closed	Pins 2 & 3 closed
2x	Pins 2 & 3 closed	Pins 1 & 2 closed
3x	Pins 1 & 2 closed	Pins 2 & 3 closed
4x	Pins 1 & 2 closed	Pins 1 & 2 closed

CPU MULTIPLIER SELECTION (INTEL)
Multiplier	JP7	JP8
1.5x	Pins 1 & 2 closed	Pins 1 & 2 closed
2x	Pins 2 & 3 closed	Pins 1 & 2 closed
2.5x	Pins 2 & 3 closed	Pins 2 & 3 closed
3x	Pins 1 & 2 closed	Pins 2 & 3 closed

CPU VOLTAGE SELECTION
Voltage	JP10
3.3v (STD)	Pins 1 & 2 closed
3.4v (VR)	Pins 2 & 3 closed
3.5v (VRE)	Pins 4 & 5 closed
3.3v/2.5v	VRM installed

VRM SELECTION
Type	VRM
All P54C	Pins 17 & 19, 18 & 20, 21 & 23, 22 & 24 closed
P55C	VRM installed