CPU-Z
1. What is CPU-Z
2. Screen images
3. Install & configuration
4. FAQ
5. Validation
6. Reviews
7. Hardware supported
8. Version history
What is CPU-Z
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 instruction 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.
Install & configuration
Install and Remove
Since version 1.51, CPU-Z includes an installer. The installation offers several advantages in comparison to the stand-alone version :
Since version 1.51, CPU-Z includes an installer. The installation offers several advantages in comparison to the stand-alone version :
- The installation creates program entries in the start menu and on the desktop.
- The kernel mode driver used by CPU-Z is installed on the system, that avoids to install / remove it at every run. That makes the process more stable and slightly faster.
Installation
Run the setup executable file, and let it guide you for the installation process.
Run the setup executable file, and let it guide you for the installation process.
Removal
You can remove the program either from the Add or Remove Programs window (from Settings, Control Panel), or choose Uninstall CPU-Z from Start menu, Programs, CPUID, CPU-Z.
You can remove the program either from the Add or Remove Programs window (from Settings, Control Panel), or choose Uninstall CPU-Z from Start menu, Programs, CPUID, CPU-Z.
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=1
MaxPCIBus=256
DMI=1
Sensor=1
SMBus=1
Display=1
ShowDutyCycles=0
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 (or 0) 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 (or 0) disables SMBus information : SPD, and, depending on the hardware, sensoring information. |
Display | Set to OFF (or 0) disables the video card information reported in the validator. |
ShowDutyCycles | Set to 1, switches the alternate clock computation method based on duty cycles. 0 to disable. |
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.
The F9 key switches between CPU clock computation methods.
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.
The F9 key switches between CPU clock computation methods.
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