Dude, you have a socket 478 CPU. You should have bought the Asus P4P800-E Deluxe. It's probably one of the top 3 478 motherboards.
Processor
Intel Pentium 4 ( Northwood / Prescott) with the bus speeds 400/533/800 MHz;
- Intel Celeron ( Northwood) with the bus speed 400MHz;
- Socket 478;
- Support for HyperThreading processor
Chipset
- North Bridge Intel® 865PE Memory Controller Hub (MCH);
- South Bridge Intel® Intel 82801ER Enhanced I/O Controller Hub (ICH5R);
- Interbridge link: Hub Link v1.5;
System memory - Four 184-pin slots for DDR SDRAM DIMM;
- Maximum memory capacity 4GB;
- Support for memory types PC2100/PC2700/PC3200;
- Dual-channel memory access;
- Onboard power indicator;
Graphics - AGP slot supporting the 4x/8x modes
Expansion options - Five 32-bit PCI Bus Master slots;
- WiFi connector;
- Eight USB 2.0 ports (4 integrated + 4 additional);
- Two IEEE1394 (Firewire) ports;
- Integrated audio AC'92 v2.3;
- Marvell Gigabit Ethernet LAN controller;
Overclocking options - FSB adjustable within 100 to 400 MHz in 1 MHz increments;
- Adjustable voltages on the processor, memory and AGP.
- Asus C.P.R and Asus AiOverclocking technologies
Disk subsystem - 2 channels UltraDMA/100/66/33 Bus Master IDE (with support for up to 4 ATAPI-devices);
- Support for SerialATA (2 channels with support for RAID);
- Additional IDE Raid controller (Promise 20378 chip, 1 channel IDE supporting ATA33/66/100/133 & RAID 0, 1, 0+1, JBOD with support for up to 2 ATAPI-devices; 2 SerialATA channels);
- Support for LS-120 / ZIP / ATAPI CD-ROM;
BIOS - 4MBit Flash ROM;
- AMI BIOS with support for Enhanced ACPI, DMI, Green, PnP Features;
- Asus EZ Flash;
- CrashFree BIOS 2;
- Asus MyLogo2;
- Multi-languages BIOS;
Miscellaneous - One FDD port, two serial and one parallel ports, ports for PS/2 mouse and keyboard;
- STR (Suspend to RAM);
- SPDIF Out;
- Asus POST Reporter;
- Asus Q-Fan;
- Asus Instant Music;
Power management - Wake-up on modem, mouse, keyboard, LAN, timer and USB;
- Standard 20-pin power connector ATX (ATX-PW);
- Additional 4-pin power connector;
Monitoring - Monitoring the temperatures of processor, voltages, rotational speeds of the three fans;
- Asus PC Probe;
Dimensions - ATX form factor, 245mm x 305mm (9.63" x 12")