CPU-Z Readme file ------------------ Version 1.61.3 July 2012 Contact : cpuz@cpuid.com Web page: http://www.cpuid.com/softwares/cpu-z.html Validation page : http://valid.canardpc.com Hall of Fame : http://valid.canardpc.com/records.php Forum : http://forum.canardpc.com/forumdisplay.php?f=74 CPUID SDK : http://www.cpuid-pro.com/products-services.php Configuration file (cpuz.ini) ------------------------------ The configuration file must be named cpuz.ini and be present at the same directory level as cpuz.exe. It contains the following : [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 UseDisplayAPI=1 - 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. 1 to enable. - PCI : Set to OFF (or 0) disables the PCI information. This disables chipset, SPD and, depending on the hardware, sensoring information. 1 to enable. - MaxPCIBus : Sets the maximum PCI bus to scan. Default value is 256. - DMI : Set to OFF (or 0) disables the DMI (Desktop Management Interface) information. This concerns BIOS vendor and version, motherboard vendor and revision. 1 to enable. - SMBus : Set to OFF (or 0) disables SMBus information : SPD, and, depending on the hardware, sensoring information. 1 to enable. - Display : Set to OFF (or 0) disables the video card information reported in the validator. 1 to enable. - ShowDutyCycles : Set to 1, switches the alternate clock computation method based on duty cycles. 0 to disable. - UseDisplayAPI : Set to 1, uses the display driver to read the display adapters information. Parameters ---------- -txt=filename : Launch CPU-Z in ghost mode (no interface appears) and generates the register dump file (.txt) in the same directory as the exe file. -html=filename : Same as "-txt" except it generates the html report. -core=id : Displays clock speed of core #id (id can be set from 0 to Number of cores minus one). Keys ---- F5 : save the current tab in a bmp file F6 : save the current tab in the clipboard F7 : save cvf file in the current directory Cache Latency Tool ------------------ The cache latency tool can be downloaded at that address : http://www.cpuid.com/medias/files/softwares/misc/latency.zip History ------- -------------------------------------------------------------------------------------------------- 1.61 - July 2012 - Fix wrong clock speed report (1.61.3). - Intel CedarTrail platform. - VIA VX11 chipset. - Intel Xeon E5 processors. - Fix wrong CPU clock speed under Win8. -------------------------------------------------------------------------------------------------- 1.60 - March 2012 - Intel Core i5 2550K, 2450P and 2380P with no GPU. - Intel Core i3/i5/i7 22 nm "Ivy Bridge" (37xx, 35xx, 34xx, 33xx, 32xx). - Intel Xeon E3 (SandyBridge-WS). - Intel Z77 platform. - AMD FX-8140, FX-4150. - AMD "Trinity" APU Preliminary support. - Windows 32/64-bit information. -------------------------------------------------------------------------------------------------- 1.59 - November 2011 - AMD Opteron Interlagos and Valencia (Bulldozer). - AMD SR56x0 I/O bridge and SP5100 southbridge (Maranello). - Intel Core i7-3960X, 3930K and 3820 (SandyBridge-E). - Intel X79 chipset (Jaketown). - VIA Nano 1000/2000/3000, Eden X2, Nano X2/X3, QuadCore. - Support for Windows 8. -------------------------------------------------------------------------------------------------- 1.58 - June 2011 - AMD FX "Bulldozer" processors family (K15). - AMD Llano processors family (K12). - Intel Sandy Bridge-EP processors preliminary support. -------------------------------------------------------------------------------------------------- 1.57 - February 2011 - Intel Xeon "Westmere-EX" support. - GPU frequency report on Intel Sandy Bridge processor. - AMD Zacate/Ontario processors support. - Report TDP on main page when available. - Cores clocks on floating menu. - P67/H67 stepping report. -------------------------------------------------------------------------------------------------- 1.56 - October 2010 - Intel Core i3/i5/i7 "2000" serie processors (Sandy Bridge) with new logos. - Intel Core i7 970 "Gulftown". - Intel P67 chipset. - AMD Phenom II, Athlon II and Sempron II "Caspian" processors. -------------------------------------------------------------------------------------------------- 1.55 - July 2010 - VIA VX900/VX900M and VN1000/VN1000M chipsets. - Intel Core i5-760, Core i7-875K and Core i5-655K processors. - Intel Core i7-940XM, 840QM, 740QM mobile processors. - Intel Core i5-450M, 540UM, 430UM, Core i3-370M mobile processors. - Intel Pentium P6000 processor. - New parameter in cpuz.ini : UseDisplayAPI -------------------------------------------------------------------------------------------------- 1.54 - March 2010 - Intel Core i7-880, Core i5-680, Core i3-550 processors. - Intel Xeon 5600 line (32nm) processors. - AMD Phenom II X6, Sempron II, Turion II, Turion II Ultra and Athlon II Mobile "Caspian" processors. - NVIDIA GeForce 320M chipset. - AMD 870/880G/890GX + SB800/SB850 chipset. - Introduction of validation rooms. -------------------------------------------------------------------------------------------------- 1.53 - December 2009 - Fix validation issue with AMD Phenom processors (1.53.1). - Preliminary support for Intel Pinetrail platform (1.53.1). - Intel Core i7 930 & 950, Core i7 980X "Gulftown", Xeon W3565. - Intel Mobile Core i7/i5/i3 "Arrendale" (LV and ULV). - Intel "Clarkdale" platform improved support. - AMD Phenom FX-5000, Athlon II X2/X3/X4, Athlon L110. - AMD AM3 socket detection improved. - VIA VX800 and VX855 chipsets support. - ATI Radeon 2100 and Radeon X1250 support. - DirectX 11 detection fix. - Hardware virtualization support now reported as instructions set. - New HTML report with less information. -------------------------------------------------------------------------------------------------- 1.52 - July 2009 - Fix Core i7 clock bug (1.52.2) - New design with "Graphics" tab. - NVIDIA nForce 980a chipset support. - Intel Core i5 and Core i3 processors. - Intel Atom Z530, Pentium DC E6300 (2.8GHz) and Core 2 Solo processors. - Intel P55 and US15W chipsets preliminary support. - AMD Phenom TWKR support. - AMD Phenom X2 "Callisto" and Athlon X2 "Regor" processors. - AMD Opteron 6-core "Istanbul" processor. - Improved support for Windows 7. - New Intel logos. MD5 checksum : please refer to http://www.cpuid.com/cpuz.php#history -------------------------------------------------------------------------------------------------- 1.51 - April 2009 - New version with installer. - NVIDIA ION platform. - Intel "Clarkdale" processor preliminary support. MD5 checksum : please refer to http://www.cpuid.com/cpuz.php#history -------------------------------------------------------------------------------------------------- 1.50 - February 2009 - Improved support for AMD Phenom II processor. - Support for NVIDIA 740i chipset. - Several bug fixes. MD5 cpuz.exe (1.50) : E1C827C54F527404EDDA6D65DA0280D8 -------------------------------------------------------------------------------------------------- 1.49 - December 2008 - AMD Phenom II processor. - New Intel Core 2 models. - Improved loading time. - New online validation process. MD5 cpuz.exe (1.49) : B836E86B40D7AFAF99D9C512E8CC9FEF -------------------------------------------------------------------------------------------------- 1.48 - October 2008 - Improved support for Intel Core i7 (Bloomfield & Gainestown). - Intel Atom dual-core version support. - AMD Athlon "Kuma" processor support. - Alternate clock computation method based on "duty cycles" for Intel Core 2 processors (see ShowDutyCycles in cpuz.ini) MD5 cpuz.exe (1.48) : DB78FBF1F99B7709240B495E59758CCE -------------------------------------------------------------------------------------------------- 1.47 - August 2008 - Intel Core i7 processor. - Intel Core 2 Duo S Mobile processors. - NVIDIA MCP79/7A chipset. - AMD 790GX / SB750 chipset. MD5 cpuz.exe (1.47) : A7484EFA3C32BC968C248CB1237FF493 -------------------------------------------------------------------------------------------------- 1.46 - June 2008 - AMD Puma platform (Turion & Turion Ultra "Griffin"); - AMD Black Edition processors. - Intel Xeon EX "Dunnington". MD5 cpuz.exe (1.46) : C47432C41EC26156128F7B8E09E884CF -------------------------------------------------------------------------------------------------- 1.45 - May 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. MD5 cpuz.exe (1.45) : DD4E540C04297CF93DC721166C13446E -------------------------------------------------------------------------------------------------- 1.44.2 - Mars 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. MD5 (1.44.2) : 81FB48A6EC7355E8D0DD71ADC2157CF6 -------------------------------------------------------------------------------------------------- 1.43 - January 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 - November 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. -------------------------------------------------------------------------------------------------- 1.41 - September 2007 - New CPU voltage monitoring. - Intel Xeon Tigerton support. - Intel IA64 CPUs support (Itanium / Itanium2)(special thanks to Rami Radi and Ray Hinchliffe). - AMD K10 Phenom preliminary support. - NVIDIA MCP73 support. - Intel XMP profiles support. - Memory modules nominal voltage. -------------------------------------------------------------------------------------------------- 1.40.5 - July 2007 - NVIDIA nForce 560 chipset support. - Intel Dynamic FSB technology support. - Athlon 64 X2 BE & Sempron LE (TDP 45W). - SiS671/FX/DX/MX northbridge support. - SiS968 southbridge support. -------------------------------------------------------------------------------------------------- 1.40 - May 2007 - VIA P4M800CE chipset support. - Preliminary support for Intel Penryn CPUs family (45 nm). - Intel Core 2 Duo E6x20, Pentium E2140/2160 processors recognition. - Intel P35, G33, G31, Q35, Q33, X38 chipsets support. - Intel GL960/GM965/PM965 chipsets support. - AMD Athlon 64 "Lima" processor support. - AMD Geode LX processor support. - NVIDIA nForce 520 chipset support. - New parameter "-console" to generate output in a command prompt (Windows XP only). - New icon. -------------------------------------------------------------------------------------------------- 1.39 - February 2007 - Windows Vista 64 support. - VIA CX700/VX700 chipset. - Added Merom XE (X7900/X7800) - Added "PCI" and "MaxPCIBus" in the ini file to configure PCI scanning. - Added "-core" parameter to display the clock speed of the specified core. - Lot of bug fixes. -------------------------------------------------------------------------------------------------- 1.38 - November 2006 - VIA P4M890 and P4M900 chipsets. - NVIDIA 650i and 680i chipset. - AMD Athlon 64 FX-7x processor. - Core 2 Duo E6850, E6750, E6650 processors. - socket 775 Xeon processor. - New parameters "-txt" and "-html" (see above). - Lot of bug fixes. -------------------------------------------------------------------------------------------------- 1.37 - October 2006 - Intel Core 2 Quad, Celeron 360, Mobile Core 2 Duo T5200 support. - Changed SSE4 to SSSE3 (Supplemental SSE3). - Added VIA VT8237A southbridge. - New HTML report. - Several bug fixes. -------------------------------------------------------------------------------------------------- 1.36 - August 2006 - New processor information display. - Intel 5000X/P/Z/V SPD support. - Intel Pentium D 925 & 945. -------------------------------------------------------------------------------------------------- 1.35 - June 2006 - ATI RS350, RS400, RS480/RX480, RS482, RD580/RX580, RS600/RD600, RS690, RS700 chipsets support. - ATI SB600 southbridge support. - Intel P965 chipset support. - Engineering samples Core based CPUs report. - Windows Vista product line report. -------------------------------------------------------------------------------------------------- 1.34.1 - May 2006 - AMD socket AM2/S1/F (rev F.) CPUs support. - Enhanced Performance Profile (EPP) memory information report. - Added Trc (bank cycle time) in DDR2 SPD report. - Added Trc (bank cycle time) on i925, i945, i955, i975 chipsets. - FB-DIMM DDR2 SPD information report. - Core 2 Duo names and logos added. - Turion 64 X2 logo added. - Several bug fixed. -------------------------------------------------------------------------------------------------- 1.33.1 - April 2006 - Intel i965 chipset support added. - Fix SPD detection problem on SiS 964/965/966 southbridges. - ODC (Odd Divisor Correct) for Athlon64 rev E. -------------------------------------------------------------------------------------------------- 1.33 - April 2006 - Memory Command Rate timing added. - Improved support for Intel Conroe/Merom CPUs. - Celeron M 420/430 Yonah. - Xeon Dual core Dempsey. - VIA C7-M CPU detection added. - VIA PT880, PT880 Pro, K8T900 chipsets support. - nVidia nForce 550/560/570 (MCP55) chipset support. - VIA VT8251 southbridge support. - Fixed HyperTransport information misreports (in dump file). - Added K6-2 and K6-III logos. -------------------------------------------------------------------------------------------------- 1.32.1 - March 2006 - New Intel logos. - Added Pentium D 925, Pentium EE 965. - Several bugs fixed. -------------------------------------------------------------------------------------------------- 1.32 - February 2006 - Athlon FX-60 detection added. - Athlon64 new memory dividers. - Celeron 35x Cedar Mill, Pentium D 805. - Core Solo & Core Duo detection improved. - VIA C7 CPU detection added. - Intel i975X, i945GT chipsets support. - ATI RD580 chipset support. - ULi smbus support improved. - Fix smbus conflict with ClockGen. -------------------------------------------------------------------------------------------------- 1.31 - November 2005 - Improved support for ATI RS480/482 chipsets. - GeForce 6100/6150 (nForce 410/430) chipsets support. - Intel E7520 chipset support. - New CPUs support : AMD Opteron socket 939, Intel Pentium 4 Cedar Mill and Presler, Intel Xeon Paxville, Intel Pentium M Yonah SC & DC. - Several bug fixed. -------------------------------------------------------------------------------------------------- 1.30 - August 2005 - Latest Sempron and Turion support improved. - Intel Xeon Potomac, Pentium M 780 support. - Improved Windows version report. - Support for SMBus on latest SiS bridges (964, 965, 966) and ULi bridges. - Increased clocks refresh rate. - Several bug fixed. -------------------------------------------------------------------------------------------------- 1.29 - June 2005 - New PCI devices report. - Switch for VCore report in .ini file. - VCore report on some uGuru mainboards. - Improved clocks computation. - Improved support for latest AMD CPUs, Celeron D 3x1 (EM64T). - Improved support for SiS 649, 650 and 656 chipsets, Intel 915PM chipset. - Improved stability when several instances of CPU-Z are running in the same time. - Restored html report in ghost mode (see "Parameters" chapter above). -------------------------------------------------------------------------------------------------- 1.28.6 - March 2005 - Support for Athlon 64 X2 CPUs - Support for i955X chipset - Bunch of bugs -------------------------------------------------------------------------------------------------- 1.28 - March 2005 - Support for SiS chipsets improved : 648FX, 649, 655FX, 655TX, 656 - Support for nVidia nForce4 SLI Intel Edition - Support for Intel Pentium D, Pentium XE, AMD Turion, Opteron 252 - New F7 key to simplifiy the creation of the validation file -------------------------------------------------------------------------------------------------- 1.27 - February 2005 - Support for Intel Pentium 4 6xx CPUs. - New validation system. - Hundred of bug fixes. -------------------------------------------------------------------------------------------------- 1.26 - December 2004 - VCore display on Pentium M CPUs. - New CPU clock computation. - Improved support of Transmeta CPUs. - Several bugs fixed. -------------------------------------------------------------------------------------------------- 1.25 - November 2004 - nVidia nForce4 chipset support - Intel Pentium 4J support - New button to refresh memory timings - Several bugs fixed -------------------------------------------------------------------------------------------------- 1.24 - September 2004 - AMD Sempron support - New memory SPD page - PCI-Express graphic interface support - Configuration file - External cache latency tool - Restored html report - Fix several bugs -------------------------------------------------------------------------------------------------- 1.23 - June 2004 - Intel i915P/G, i925X chipsets support - Intel LGA775 CPUs support - Intel's CPU number display - New AMD Athlon 64 steppings - New report in one file -------------------------------------------------------------------------------------------------- 1.22 - April 2004 - New CPUs : Xeon Nocona, Celeron Prescott - DDR2 memory support - Clock mode when iconized -------------------------------------------------------------------------------------------------- 1.21 - January 2004 - one file package - Windows 64 support - new chipsets support - new CPU support : Celeron M, Pentium 4 "Prescott" -------------------------------------------------------------------------------------------------- 1.20a - October 2003 - memory frequency and ratio on nForce2 - KT600 support - W83627THF VRM mode - SPD read improvement - Fix some memory leaks (DMI) - Fix memory size report - Fix AGP side band status --------------------------------------------------------------------------------------------------