compatibility problem =/

i have a mobo with the following specs:
socket 478
williamette
400FSB

can i put a CPU with the following specs IN the above mobo:
socket 478
northwood
400FSB

will it work?

what MB is it?

There are some adapters, but i, and i doubt, anyone else would recommend going that way.

specs

well heres a list of the specs for the mobo from sisoftware's sandra:

SiSoftware Sandra

Computer System
Manufacturer : Compaq
Model : Evo D310v
Serial Number : 7P2AKH7US0BV
Unique ID : 008C7789-D61154EB-10000080-49BB95DC

System Chassis
Manufacturer : Compaq
Case Type : Desktop
Can be locked : No
Serial Number : 7P2AKH7US0BV
Boot-up State : Safe
Power State : Safe
Thermal State : Safe

System Mainboard
Manufacturer : Compaq
MP Support : 1 CPU(s)
MPS Version : 1.40
Model : 0804h
Serial Number : 7P2AKH7US0BV

System Memory Controller
Location : Mainboard
Error Correction Capability : None
Number of Memory Slots : 2
Maximum Installable Memory : 2GB
Bank 1 - DIMM1 : JEDEC ID:2C FF FF FF FF FF FF FF 16VDDT3264AG-265B1 2C280B3E DIMM Synchronous SDRAM 256MB/64 @ 266Mt/s
Bank 2 - DIMM2 : JEDEC ID:7F BA 00 00 00 00 00 00 00000000 DIMM Synchronous SDRAM 256MB/64 @ 266Mt/s

Flash Memory Controller
Location : Mainboard
Error Correction Capability : None
Number of Memory Slots : 1
Bank 3 - SYSTEM ROM : Chip Non-Volatile FLASH 512kB/4

System Chipset
Model : Intel Corporation 82845G/GL/GV Brookdale Host-Hub Interface Bridge (A1-step)
Bus(es) : X-Bus AGP PCI IMB USB SMBus/i2c
Front Side Bus Speed : 4x 100MHz (400MHz data rate)
Max FSB Speed / Max Memory Speed : 4x 133MHz / 2x 166MHz
In Order Queue Depth : 8 req(s)

APIC 1
Version : 2.00
Speed : 17MHz
Multiplier : 1/2x
Max Interrupts : 24
IRQ Handler Engaged : Yes
Enhanced Support : No