CPU-Z Report

CPU-Z version 1.35.

CPU(s) 
Number of CPUs2 (1 Physical)
CPU#1APIC ID = 0
NameIntel Pentium 4
Code NameNorthwood
SpecificationIntel(R) Pentium(R) 4 CPU 2.40GHz
Family / Model / SteppingF 2 9
Extended Family / ModelF 2
Brand ID9
PackagemPGA-478
Core SteppingD1
Technology0.13 um
Supported Instructions SetsMMX, SSE, SSE2
CPU Clock Speed2639.8 MHz
Clock multiplierx 12.0
Front Side Bus Frequency220.0 MHz
Bus Speed879.9 MHz
L1 Data Cache8 KBytes, 4-way set associative, 64 Bytes line size
L1 Trace Cache12 Kuops, 8-way set associative
L2 Cache512 KBytes, 8-way set associative, 64 Bytes line size
L2 Speed2639.8 MHz (Full)
L2 LocationOn Chip
L2 Data Prefetch Logicyes
L2 Bus Width256 bits
CPU#2APIC ID = 1
CPU NameIntel Pentium 4 (logical unit)
 
Mainboard and chipset 
Motherboard manufacturerASUSTeK Computer Inc.
Motherboard modelP4C800-E, Rev 1.xx
BIOS vendorAmerican Megatrends Inc.
BIOS revision1010.004
BIOS release date07/21/2003
ChipsetIntel i875P rev. A2
SouthbridgeIntel 82801EB (ICH5) rev. 02
Sensor chipWinbond W83627THF
FSB Select800 MHz
Performance Modedisabled
Graphic InterfaceAGP
AGP Statusenabled, rev. 3.0
AGP Data Transfer Rate8x
AGP Max Rate8x
AGP Side Band Addressingsupported, enabled
 
Memory 
DRAM TypeDDR-SDRAM
DRAM Size 1536 MBytes
DRAM Frequency146.7 MHz
FSB:DRAM3:2
CAS# Latency2.5 clocks
RAS# to CAS#4 clocks
RAS# Precharge4 clocks
Cycle Time (TRAS)8 clocks
# of memory modules4
Module 0 Melco DDR PC3200 - 256 MBytes
Module 1 DDR PC3200 - 512 MBytes
Module 2 Melco DDR PC3200 - 256 MBytes
Module 3 DDR PC3200 - 512 MBytes
 
Software 
Windows versionMicrosoft Windows XP Professional Service Pack 2 (Build 2600)
DirectX version9.0c