Device Type	Mainboard
Processor	Pentium II/Celeron
Processor Speed	233/266/300/333/350/400/450
Chip Set	Intel 440BX
Audio Chip Set	Yamaha
Maximum Onboard Memory	384MB (EDO & SDRAM supported)
Cache	0/128/256/512KB (located on the CPU)
BIOS	Award
Dimensions	305mm x 190mm
I/O Options	32-bit PCI slots (4), floppy drive interface, game/MIDI port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, line in, line out, microphone in, audio in – CD-ROMs (2), SB link connector

CONNECTIONS
Purpose	Location	Purpose	Location
AGP slot	AGP	Reset switch	CN13/pins 9 & 10
ATX power connector	ATX	IDE interface LED	CN13/pins 11 & 12
IDE interface 1	CN1	Power LED & keylock	CN13/pins 13 - 17
IDE interface 2	CN2	Speaker	CN13/pins 19 - 22
Floppy drive interface	CN3	Soft off power supply	CN13/pins 23 & 24
Line in	CN4	Serial port 2	CN15
Line out	CN5	Serial port 1	CN16
Audio in – CD-ROM (Sony)	CN6	Parallel port	CN17
Audio in – CD-ROM	CN7	USB connector 1	CN18
Microphone in	CN8	USB connector 2	CN19
IR connector	CN9	PS/2 mouse port	CN20
Wake on LAN connector	CN10	CPU fan power	FAN1
Chassis intrusion connector	CN11	CPU fan power	FAN2
Game/MIDI port	CN12	Chassis fan power	FAN3
Turbo switch	CN13/pins 1 & 2	SB link connector`	JP3
Green PC connector	CN13/pins 4 & 5	32-bit PCI slots	PC1 - PC4
Green PC LED	CN13/pins 6 & 7

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Power on by keyboard disabled	JP1	Pins 1 & 2 closed
	Power on by keyboard enabled	JP1	Pins 2 & 3 closed
»	CMOS memory normal operation	JP4	Pins 1 & 2 closed
	CMOS memory clear	JP4	Pins 2 & 3 closed
»	Onboard audio enabled	JP10	Pins 1 & 2 closed
	Onboard audio disabled	JP10	Pins 2 & 3 closed

DIMM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
8MB	(1) 1M x 64	None	None
16MB	(1) 1M x 64	(1) 1M x 64	None
16MB	(1) 2M x 64	None	None
24MB	(1) 1M x 64	(1) 1M x 64	(1) 1M x 64
24MB	(1) 2M x 64	(1) 1M x 64	None
32MB	(1) 2M x 64	(1) 2M x 64	None
32MB	(1) 4M x 64	None	None
40MB	(1) 2M x 64	(1) 2M x 64	(1) 1M x 64
48MB	(1) 2M x 64	(1) 2M x 64	(1) 2M x 64
48MB	(1) 4M x 64	(1) 2M x 64	None
64MB	(1) 4M x 64	(1) 4M x 64	None
64MB	(1) 8M x 64	None	None
80MB	(1) 4M x 64	(1) 4M x 64	(1) 2M x 64
96MB	(1) 4M x 64	(1) 4M x 64	(1) 4M x 64
96MB	(1) 8M x 64	(1) 4M x 64	None
128MB	(1) 8M x 64	(1) 8M x 64	None
128MB	(1) 16M x 64	None	None
160MB	(1) 8M x 64	(1) 8M x 64	(1) 4M x 64
192MB	(1) 8M x 64	(1) 8M x 64	(1) 8M x 64
192MB	(1) 16M x 64	(1) 8M x 64	None
256MB	(1) 16M x 64	(1) 16M x 64	None
320MB	(1) 16M x 64	(1) 16M x 64	(1) 8M x 64
384MB	(1) 16M x 64	(1) 16M x 64	(1) 16M x 64

CACHE CONFIGURATION

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

CPU FREQUENCY SELECTION
Frequency		JP9
»	Auto	Pins 2 & 3 closed
	100MHz	Pins 1 & 2 closed