CPU-Z 1.45


CPU-Z 1.45
http://cpuid.com/cpuz.php











CPU-Z is a freeware that gathers information on some of the main devices of your system.

CPU
  • Name and number.
  • Core stepping and process.
  • Package.
  • Core voltage.
  • Internal and external clocks, clock multiplier.
  • Supported instructions sets.
  • Cache information.
Mainboard
  • Vendor, model and revision.
  • BIOS model and date.
  • Chipset (northbridge and southbridge) and sensor.
  • Graphic interface.
Memory
  • Frequency and timings.
  • Module(s) specification using SPD (Serial Presence Detect) : vendor, serial number, timings table.
System
  • Windows and DirectX version.

The CPU-Z's detection engine is now available for customized use through the CPUID System Information Development Kit, a professional SDK built for the Microsoft Windows operating systems.


Directions for use

Install and Remove

CPU-Z does not need to be installed. Just unzip the files in a directory and run the .exe. In order to remove the program, just delete the files.
The program does not copy any file in any directory, neither writes in the registry.

Configuration file

CPU-Z uses a configuration file, cpuz.ini, that allows to set several parameters for the program. The cpuz.ini file must be in the same directory as cpuz.exe. It looks like this :

[CPU-Z]
TextFontName=Verdana
TextFontSize=13
TextFontColor=000060
LabelFontName=Verdana
LabelFontSize=13
PCI=ON
MaxPCIBus=256
DMI=ON
Sensor=ON
SMBus=ON

TextFontName Font used for the information boxes.
TextFontSize Size of the font used for the information boxes.
TextFontColor Color of the font used for the information boxes. Value is expressed in hexadecimal, and consists in a classic Red/Green/Blue color code : RRGGBB
LabelFontName Font used for the label boxes.
LabelFontSize Size of the font used for the label boxes.
Sensor Set to OFF disables sensor chip detection and voltages measurement.
DMI Set to OFF disables the DMI (Desktop Management Interface) information. This concerns BIOS vendor and version, motherboard vendor and revision.
PCI Set to OFF disables the PCI information. This disables chipset, SPD and, depending on the hardware, sensoring information.
MaxPCIBus Sets the maximum PCI bus to scan. Default value is 256.
SMBus Set to OFF disables SMBus information : SPD, and, depending on the hardware, sensoring information.

Note that the use of this file is optional. If no .ini file is found, default values will be used.

Parameters

-txt=report Launch CPU-Z in ghost mode : no interface appears, the register dump (report.txt) is automatically created.

Example :
cpuz.exe -txt=c:\mydirectory\mysystem : runs CPU-Z in ghost mode. Report file mysystem.txt is automatically generated in directory c:\mydirectory.
-html=report Same as "-txt" but generates the html report file.
-core=id Displays clock speed of core #id (id can be set from 0 to "Number of cores minus one"). It is then possible to check the speed of each core by running as many instances of CPU-Z as necessary, using batch files for example :
cpuz0.bat : cpuz.exe -core=0
cpuz1.bat : cpuz.exe -core=1

Note that the current core can be dynamically selected by right-clicking in the CPU page, and select the target core. This feature is available from version 1.42.
-console Generates output in a command prompt (Windows XP only).


Special Keys

The F5 key allows to save a screenshot as a bmp file in the application directory. These are named cpu.bmp, cache.bmp, mainboard.bmp and memory.bmp.
The F6 key copies the current page in the clipboard.
The F7 key saves the validation cvf file in the current directory.

Cache Latency Computation

The cache latency computation tool allows to gather information about the cache hierarchy of the system. For each cache level, it provides its size and its latency. Please note that code caches are not reported.

The latency tool can be downloaded here.



FAQ

Q: CPU-Z reports my CPU speed below its stock frequency.
A: This is the effect of the CPU power reduction mechanism : C1E (Enhanced Halt State) and/or EIST (Enhanced Intel SpeedStep Technology) for Intel CPUs, Cool'n'Quiet and or PowerNow! for AMD CPUs. Load your system and you will see the frequency increase to its nominal value.

Q: Why does CPU-Z needs a long time to start on my computer ?
A: CPU-Z may require several seconds to gather memory SPD information, and consequently the time increases with the number of modules. However, this operation is not done when refreshing or when reporting html or SPD information file.
In order to reduce time, you can set the SMBus parameter to OFF in the configuration file.

Q: Why does CPU-Z misreport my memory module specification ? For example, my DDR PC3500 is reported as PC3200.
A: The SDR and DDR theorical bandwidth is computed using the module access time information for the maximal CAS# latency value, included in the SPD area. If the computed bandwidth is lower than the one specified on the memory module, that means in most cases that the SPD information on the module is not correctly programmed, and does not mean that the memory module does not handle its specifications.

Q: Why does CPU-Z not report my memory SPD ? Does that mean that my memory module does not provide SPD information ?
A: Several reasons may cause CPU-Z not to report SPD information. The most common one is that CPU-Z was not able to get the SPD interface, because the chipset is unknown or unsupported by the program. That's why the same memory module can provide SPD information when installed in another motherboard, recognized by CPU-Z.
On a few memory modules, SPD information are not programmed at all. In this case, CPU-Z is not able to translate them, so nothing is reported.

Versions history

Version Date News and corrections
1.45 05/10/2008
  • Intel Atom Z500/Z510/Z520/Z530/Z540 processors.
  • Intel Core 2 Duo E7x00 processor.
  • AMD 45 nm Phenom (Dened & Shanghai) processors.
  • Intel P45 chipset.
Exe file properties
  • MD5 (cpuz.exe 1.45) : DD4E540C04297CF93DC721166C13446E
1.44.2 03/29/2008
  • NVIDIA 650i, 680i, 750a/780a, 750i, 780i, 790i chipsets (1.44.2).
  • Intel G35 chipset (1.44.2).
  • Updated support for VIA chipsets (1.44.2).
  • Support for the new validator (1.44.1).
  • Preliminary support for VIA Isaiah processor.
  • Support for all VIA Model D processors: VIA C7-M, VIA C7-D, VIA Eden, VIA Eden.
  • Memory timings on Intel 5400A/B MCH (Skulltrail).
  • Fix AMD Phenom detection issue on Windows Vista 64.
Exe file properties
  • MD5 (1.44.2) : 81FB48A6EC7355E8D0DD71ADC2157CF6
1.43 01/06/2008
  • Intel Skulltrail platform support (Core 2 Extreme QX9775 + 5400B MCH).
  • Intel X48 chipset detection.
  • AMD Athlon 64-LE 1600 and 1620 support.
  • Fix detection issues on unlocked Phenom (ES/BE).
1.42 11/23/2007
  • Intel Wolfdale/Yorkfield/Penryn CPUs support.
  • AMD Phenom and Opteron Barcelona support improved.
  • Current core selection menu (right click on the CPU page).
  • Loading progress.


Validation

The validation process allows to record your CPU-Z results within a database. This results in several statistics : the overclock records (CPU, memory, FSB ...), the most popular brands for CPU, mainboards, chipsets, memory.
CPU-Z allows to save your configuration file (.cvf). You can then submit it at http://valid.x86-secret.com.



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  1. 재아 2008.05.21 17:47 신고

    버전이 업데이트 되었군요~!..

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    • 씨디맨 2008.05.21 17:51 신고

      네 업그레이드 되었습니다
      그리고 제컴퓨터 CPU 도 옆그레이드(?) 합니다 ㅎ
      내일쯤 리뷰 써볼생각이구요 (E8400)

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  2. Mr.번뜩맨 2008.05.30 16:53 신고

    오..이건 CPU를 체크하는건가요?

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    • 씨디맨 2008.05.30 17:20 신고

      네 CPU 의 FSB 와 명령어셋 , 배수 등을 체크 가능하구요
      메인보드 칩셋 종류와 램의 SPD 등을 체크 가능합니다 ^^

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  3. 호박 2008.05.30 18:40 신고

    머리가 순간 무쟈게 아파오지만.. ^^ 컴터가 궁금하면 여기로 쪼르르 달려오면 되는군요^^

    즐건 저녁시간 맞으시길요^^

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