P6SNA Motherboard Settings and Configuration

Processor	Pentium Pro
Processor Speed	150/166/180/200MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	512MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB (located on Pentium Pro CPU)
BIOS	AMI
Dimensions	305mm x 249mm
I/O Options	32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, power on connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
ATX power connector	ATX	Green PC connector	JP39
IDE interface 1	J11	Buzzer	JP89
IDE interface 2	J12	Chassis fan power	JP91
Speaker	J22	Chassis fan power	JP92
IDE interface LED	J23	Chassis fan power	JP93
PS/2 mouse port	J83	IR connector	JP96
Floppy drive interface	J85	External battery	JP881
Parallel port	J817	Power on connector	JP882
Serial port 1	J818	32-bit PCI slots	PC1- PC4
Serial port 2	J824	USB connector 1	USB1
Power LED & keylock	JP20	USB connector 2	USB2
Reset switch	JP21

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	J86	Pins 1 & 2 closed
»	Factory configured - do not alter	J88	Pins 1 & 2 closed
»	Factory configured - do not alter	J827	Closed
»	Factory configured - do not alter	J828	Closed
»	Factory configured - do not alter	J829	Closed
»	Factory configured - do not alter	JP13	Pins 2 & 3 closed
»	Factory configured - do not alter	JP15	Pins 2 & 3 closed
»	Factory configured - do not alter	JP22	Open
»	Factory configured - do not alter	JP23	Open
»	Factory configured - do not alter	JP26	Open
»	Factory configured - do not alter	JP27	Closed
»	Factory configured - do not alter	JP38	Open
»	Factory configured - do not alter	JP88	Open
	ISA CLK = PCI CLK/4	JP42	Closed
	ISA CLK = PCI CLK/3	JP42	Open
»	Factory configured - do not alter	JP90	Unidentified
»	Factory configured - do not alter	JP94	Unidentified
»	Factory configured - do not alter	JP97	Unidentified
»	CMOS memory normal operation	JP880	Pins 1 & 2 closed
	CMOS memory clear	JP880	Pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
16MB	(2) 2M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
24MB	(2) 2M x 36	(2) 1M x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
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) 2M x 36	(2) 4M 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) 2M x 36	(2) 8M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 16M x 36	None
128MB	(2) 8M x 36	(2) 8M x 36
136MB	(2) 16M x 36	(2) 1M x 36
144MB	(2) 16M x 36	(2) 2M x 36
160MB	(2) 16M x 36	(2) 4M x 36
192MB	(2) 16M x 36	(2) 8M x 36
256MB	(2) 32M x 36	None
256MB	(2) 16M x 36	(2) 16M x 36
264MB	(2) 32M x 36	(2) 1M x 36
272MB	(2) 32M x 36	(2) 2M x 36
288MB	(2) 32M x 36	(2) 4M x 36
320MB	(2) 32M x 36	(2) 8M x 36
384MB	(2) 32M x 36	(2) 16M x 36
512MB	(2) 32M x 36	(2) 32M x 36
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks are interchangeable.

CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium Pro CPU.

CPU SPEED SELECTION
Speed	JP29	JP30	JP31	JP32	JP36	JP37
150MHz	Open	Closed	Closed	Closed	Closed	Open
166MHz	Open	Closed	Closed	Closed	Open	Closed
180MHz	Closed	Open	Closed	Closed	Closed	Open
200MHz	Closed	Open	Closed	Closed	Open	Closed

THERMAL CONTROL SELECTION
Turn on		Shut down	JP95
	55	37	Pins 1 & 2 closed
	64	50	Pins 2 & 3 closed
»	72	43	Open
Note: Temperature is in Celsius.