P2MEX/A (REV.A+) Motherboard Settings and Configuration

Device Type	Mainboard
Processor	Pentium II/Celeron
Processor Speed	233/266/300/333MHz
Chip Set	Intel 440EX
Maximum Onboard Memory	256MB (EDO & SDRAM supported)
Cache	0/128/256/512KB (located on the CPU)
BIOS	Award
Dimensions	305mm x 244mm
I/O Options	32-bit PCI slots (2), floppy drive interface, game interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 keyboard interface, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, line in, line out, microphone in

CONNECTIONS
Purpose	Location	Purpose	Location
AGP slot	AGP	IDE interface 1	J5
ATX power	ATX	AGP fan power	J6
PS/2 mouse port	CN1	IR connector	J7
USB connector 1	CN2	ATX/Standby LED	J8/A
USB connector 2	CN2A	IDE interface LED	J8/B
Serial port 1	CN3	Green PC LED	J8/C
Parallel port	CN4	ATX power switch	J8/D
Serial port 2	CN5	Green switch	J8/E
Game port	CN6	Reset switch	J8/F
Speaker line out	CN7	Speaker	J8/G
Line in	CN8	Power LED & keylock	J8/H
Microphone in	CN9	Audio in – CD-ROM	JP2
Chassis fan power	J1	Audio in – CD-ROM	JP4
CPU fan power	J2	WOL connector	JP5
Floppy drive interface	J3	Audio in – CD-ROM	JP7
IDE interface 2	J4	32-bit PCI slots	PC1 - PC2

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Wake-on-keyboard enabled	JP1	Pins 2 & 3 closed
	Wake-on-keyboard disabled	JP1	Pins 1 & 2 closed
»	CMOS memory normal operation	JP3	Pins 1 & 2 closed
	CMOS memory clear	JP3	Pins 2 & 3 closed
»	Factory configured - do not alter	SW1/1	On

DIMM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(1) 1M x 64	None
16MB	(1) 1M x 64	(1) 1M x 64
16MB	(1) 2M x 64	None
24MB	(1) 2M x 64	(1) 1M x 64
32MB	(1) 2M x 64	(1) 2M x 64
32MB	(1) 4M x 64	None
40MB	(1) 4M x 64	(1) 1M x 64
48MB	(1) 4M x 64	(1) 2M x 64
64MB	(1) 4M x 64	(1) 4M x 64
64MB	(1) 8M x 64	None
72MB	(1) 8M x 64	(1) 1M x 64
80MB	(1) 8M x 64	(1) 2M x 64
96MB	(1) 8M x 64	(1) 4M x 64
128MB	(1) 8M x 64	(1) 8M x 64
128MB	(1) 16M x 64	None
136MB	(1) 16M x 64	(1) 1M x 64
144MB	(1) 16M x 64	(1) 2M x 64
160MB	(1) 16M x 64	(1) 4M x 64
192MB	(1) 16M x 64	(1) 8M x 64
256MB	(1) 16M x 64	(1) 16M x 64

CACHE CONFIGURATION

Note: 256/512KB cache is located on the Pentium II CPU. 128KB cache is located on the Celeron 300A & 333 CPU.

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	SW1/2	SW1/3	SW1/4
233MHz	66MHz	3.5x	On	Off	Off
266MHz	66MHz	4x	Off	On	On
300MHz	66MHz	4.5x	Off	On	Off
333MHz	66MHz	5x	Off	Off	On