自分のメインマシンをあまりにも知らなさすぎるのでCPU-Zにきいてみた。

CPU-Z 1.47 report file

Processor(s)  
Number of processors 1
Number of cores 1 per processor
Number of threads 1 per processor
Name Intel Celeron
Code Name Northwood
Specification Intel(R) Celeron(R) CPU 2.20GHz
Package Socket 478 mPGA
Family/Model/Stepping F.2.9
Extended Family/Model F.2
Brand ID 10
Core Stepping D1
Technology 0.13 um
Core Speed 2200.2 MHz
Multiplier x Bus speed 22.0 x 100.0 MHz
Rated Bus speed 400.0 MHz
Stock frequency 2200 MHz
Instruction sets MMX, SSE, SSE2
L1 Data cache (per processor) 8 KBytes, 4-way set associative, 64-byte line size
Trace cache (per processor) 12 Kuops, 8-way set associative
L2 cache (per processor) 128 KBytes, 2-way set associative, 64-byte line size
Chipset & Memory  
Northbridge Intel i845 rev. A3
Southbridge Intel 82801BA (ICH2) rev. 12
Graphic Interface AGP
AGP Revision 3.0
AGP Transfer Rate 4x
AGP Side Band Addressing supported, enabled
Memory Type SDRAM
Memory Size 512 MBytes
Memory Frequency 133.3 MHz (3:4)
CAS# Latency (tCL) 3.0 clocks
RAS# to CAS# (tRCD) 3 clocks
RAS# Precharge (tRP) 3 clocks
Cycle Time (tRAS) 6 clocks
System  
System Manufacturer MICRO-STAR INTERNATIONAL CO., LTD
System Name  
System S/N  
Mainboard Vendor MICRO-STAR INTERNATIONAL CO., LTD
Mainboard Model MS-6528
BIOS Vendor Award Software International, Inc.
BIOS Version 6.00 PG
BIOS Date 08/16/2001
Memory SPD  
Module 1 SDRAM, PC133 (133 MHz), 128 MBytes, unknown brand
Module 2 SDRAM, PC133 (133 MHz), 128 MBytes, unknown brand
Module 3 SDRAM, PC133 (133 MHz), 256 MBytes, unknown brand
Software  
Windows Version Microsoft Windows XP Professional Service Pack 3 (Build 2600)
DirectX Version 9.0c

しかしチップセットによってはBIOSTAR P4M900-M4のようにCeleron 2.2GHzというのが使えなかったりするものがあるというのがけっこう謎で、DDR2メモリの搭載とPCI-Expressによるグラフィックボードの搭載をもくろむマザーボードの交換をしようとしている俺にはなんとも悩ましいところ。