P55SVPIO Motherboard Settings and Configuration

Processor	CX M1/Pentium
Processor Speed	75/90/100/120/133/150/166MHz
Chip Set	SIS
Video Chip Set	None
Maximum Onboard Memory	128MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	Award
Dimensions	330mm x 220mm
I/O Options	32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, serial ports (2), VGA feature connector, VGA port, cache slot, VRM connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
VGA port	J5	Reset switch	J16
VGA feature connector	J7	Turbo LED	J17
Serial port 2	J8	Turbo switch	J18
Serial port 1	J9	Speaker	J19
Parallel port	J10	Power LED & keylock	J20
Floppy drive interface	J11	External battery	J21
IDE interface 1	J12	32-bit PCI slots	PC1 - PC3
IDE interface 2	J13	Cache slot	SL1
IDE interface LED	J14	VRM connector	VRM

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Chipset select SMC665	JP2	Pins 2 & 3 closed
	Chipset select SMC669	JP2	Pins 1 & 2 closed
	Monitor type select EGA/VGA	JP7	Open
	Monitor type select monochrome	JP7	Closed
»	Factory configured - do not alter	JP8	Pins 1 & 2 closed
»	Factory configured - do not alter	JP9	Pins 1 & 2 closed
»	Factory configured - do not alter	JP15	Pins 1 & 2 closed
	BIOS type select flash BIOS	JP17	Pins 1 & 2, 5 & 6 closed
	BIOS type select EPROM	JP17	Pins 2 & 3, 4 & 5 closed
»	Factory configured - do not alter	JP20	Pins 2 & 3 closed
»	Factory configured - do not alter	JP21	Pins 1 & 2 closed
»	CMOS memory normal operation	JP23	Pins 1 & 2 closed
	CMOS memory clear	JP23	Pins 2 & 3 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
16MB	(2) 2M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
20MB	(2) 2M x 36	(2) 512K x 36
24MB	(2) 2M x 36	(2) 1M 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
40MB	(2) 4M x 36	(2) 1M 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	(2) 4M x 36	(2) 4M x 36
68MB	(2) 8M x 36	(2) 512K 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
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. If using x 32 SIMMs, one module may be installed in the first socket on Bank 0 labeled SIMM 1.

DRAM JUMPER CONFIGURATION
Type	JP6
EDO	Closed
Fast page	Open

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

CACHE JUMPER CONFIGURATION
Size	JP10	JP11	JP12
256KB (A)	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB (B)	Pins 2 & 3 closed	Open	Open
512KB (A)	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
512KB (B)	Pins 2 & 3 closed	Open	Open

CACHE VOLTAGE CONFIGURATION
Voltage	JP24
Mixed	Pins 3 & 5, 4 & 6 closed
3.3v	Pins 1 & 3, 2 & 4 closed

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	JP13	JP14	JP18	JP19
N/A	40MHz	N/A	1 & 2	1 & 2	N/A	N/A
75MHz	50MHz	1.5x	2 & 3	2 & 3	1 & 2	1 & 2
90MHz	60MHz	1.5x	1 & 2	2 & 3	1 & 2	1 & 2
100MHz	66MHz	1.5x	2 & 3	1 & 2	1 & 2	1 & 2
120MHz	60MHz	2x	1 & 2	2 & 3	1 & 2	2 & 3
133MHz	66MHz	2x	2 & 3	1 & 2	1 & 2	2 & 3
150MHz	60MHz	2.5x	1 & 2	2 & 3	2 & 3	2 & 3
166MHz	66MHz	2.5x	2 & 3	1 & 2	2 & 3	2 & 3
N/A	N/A	3x	N/A	N/A	2 & 3	1 & 2
N/A	N/A	3x	N/A	N/A	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage	JP16	JP22
3.3v	Open	Pins 1 & 2, 3 & 4, 5 & 6 closed
VRM installed	Closed	Open

ON BOARD VGA SELECTION
Setting	JP3	JP4	JP5
Enabled	Closed	Closed	Pins 1 & 2 closed
Disabled	Open	Open	Pins 2 & 3 closed