MemTest86 10.5 (Build 1000)

Version 9.2 (Build 2000) 30/Jul/2021​

• Fixes/Enhancements
  • Added large PASS/FAIL block text to top-right corner of HTML report
  • Added visual representation of bit error mask to HTML report
  • Fixed missing timestamp for ECC errors in HTML report
  • Fixed incorrect version string indicating "V9.1" instead of "V9.2"

Version 9.2 (Build 1000) 23/Jul/2021​

• Fixes/Enhancements
  • Preliminary support for retrieving and decoding DDR5 SPD data. This includes support for the new SPD HUB I2C/I3C command set.
  • Support for retrieving DIMM temperatures (TSOD) for AMD Ryzen chipsets
  • Fixed ECC error polling on Ryzen with multiple controllers
  • Fixed ECC detection on AMD Ryzen chipsets (Family 17h Model 31h)
  • Improved formatting of the Test Summary screen on test completion
  • Moved "RAM Temp" to "Pattern" line to allow longer RAM info display
  • Updated blacklist with additional baseboards with known multiprocessing issues
  • Refactored code for newer EFI Development Kit (EDK II) release compatibility

Version 9.1 (Build 1000) 21/May/2021​

• Fixes/Enhancements
  • Fixed parsing of SMBIOS memory device structure for compatibility with DDR5 DIMM data
  • Fixed non-page aligned addresses for ADDRLIMLO/ADDRLIMHI configuration file parameters
  • Fixed hang when running in UEFI Shell caused by improper cleanup of localization strings after an exit from a previous MemTest86 run.
  • Added support for retrieving CPU info for Intel Rocket Lake chipsets
  • Added support for retrieving CPU info for Intel Tiger Lake chipsets
  • Fixed misalignment of text containing full-width characters

Version 9.0 (Build 2000) - 24/Feb/2021​

• Fixes/Enhancements
  • Fixed text disappearing in the main menu for certain boards (eg. Thinkpad)
  • Fixed artifacts appearing in icons due to improper handling of transparency channel
  • Restored option to set # of passes for Free version
  • Fixed drawing issues in Upgrade to Pro screen when hovering mouse over sidebar
  • Fixed display issues in console mode for certain boards (eg. Supermicro)
  • Fixed double temperature offset being applied to certain Ryzen (AMD 17h) chipsets

Version 9.0 (Build 1000) - 10/Feb/2021​

• New Features
  • Support UEFI-based ARM systems (arm64/aarch64), including memory test algorithms ported to ARM64 and optimized using hand-written assembly code. Special thanks to Simula eX³ project (ex3.simula.no) for providing high-end ARM64 systems for testing.
  • Added BADRAM & badmemorylist formatted strings and instructions in the exported HTML report to mask defective memory addresses (Pro only)
  • Revamped RAM SPD screen in the Main Menu with graphical view of all RAM slots
  • Added preliminary support for DIMM temperature reporting (when supported by DIMM)
  • Added option to change save location of logs/reports to another disk volume (file system)
  • Added prompt on various exit options (shutdown, reboot, exit to BIOS) on application exit.
  • Added keyboard shortcut (F12) to save screenshot to file within the Main Menu
  • Support for saving test results to a byte-packed, binary file for storage-limited systems
  • Support for passing configuration parameters via command line arguments
  • Added new config file parameter, 'EXACTSPDSIZE', to specify the total capacity of all detected SPD to match before allowing tests to begin
  • Added new config file parameter, 'MEMREMMB', for specifying the minimum amount of memory to leave unallocated during testing
  • Added new config file parameter, 'MINMEMRANGEMB', for specifying the minimum size of memory ranges that shall be allocated for testing
  • Added new config file parameter, 'AUTOREPORTFMT', for specifying report format of auto-saved reports
  • Added new config file parameter, 'PMPDISABLE', to disable TFTP uploading of XML messages for Management Console integration
  • Added new config file parameter, 'RTCSYNC', to sync real-time clock with PXE server (via a periodically updated 'CurrentTime.txt' served by the PXE server)
  • Added new config file parameter, 'VERBOSITY', for specifying the verbosity level of the debug output
  • Added new config file parameter, 'TPL', to specify the UEFI task priority level of the MemTest86 application
• Fixes/Enhancements
  • Support for per-baseboard configuration file via baseboard-prefixed filename (eg. "Surface Pro-mt86.cfg")
  • Optimized/removed stale 32-bit code in memory tests
  • Improved test coverage by alternating between ascending/descending assignment order of CPU cores between passes when running in parallel mode
  • Track CPU core/thread ID of detected memory errors, and include the list of CPUs in error in test summary/report
  • Added tracking and reporting of min/max/average CPU + DIMM temperatures (when supported by DIMM)
  • Added SMBIOS memory device info to reports
  • Modified DRAM address ECC error reporting from (Column,Row,Rank,Bank) -> (Channel,Slot,Rank,Bank,Row,Column)
  • Added serial number of DIMM module experiencing ECC errors in report (supported chipsets only)
  • Added channel/slot information of detected SPDs in report (supported chipsets only)
  • Fixed 100% CPU usage when waiting for input in main menu
  • Improved UI drawing performance for better responsiveness
  • Generate beeps of Piezo Speaker on test end (if available)
  • Changed to large, coloured PASS/FAIL message box on test end
  • Changed to large, coloured FAIL message box on failed pre-test SPD checks
  • Fixed Test 12 errors in HTML report being truncated
  • Updated blacklist to work around new UEFI bugs Apple added to their UEFI firmware
  • Updated blacklist to work around Microsoft/Huawei laptops with display issues related to screen resolution
  • Fixed crash on VirtualBox due to reading of non-existent MSRs
  • Include system information details in TestResult XML messages to PXE Server (Site Edition)
  • Display error when there is a TFTP transfer error when sending Status XML messages to PXE server (Site Edition)
  • Fixed escaping of chars to XML entities when generating messages to PXE Server (Site Edition)
  • Output additional lines to console during MemTest86 boot
  • Fixed detection of uncorrected ECC errors for AMD Ryzen chipsets
  • Fixed ECC detection for > 2 channels for AMD Ryzen chipsets
  • Fixed ECC support for multiple CPU dies for AMD Ryzen chipsets
  • Fixed ECC error detection on AMD Ryzen chipsets with multiple CPUs
  • Added preliminary support for AMD Ryzen ECC reporting via error count registers when PFEH is enabled
  • Fixed ECC detection for Intel chipsets that use error count registers
  • Added ECC support for different Intel Coffee Lake chipset variants
  • Added disabling of SMI for Intel Kaby Lake chipsets to allow ECC errors to be detected
  • Added ECC support for Intel Comet Lake chipsets
  • Added preliminary support for decoding of system address to socket/channel/rank/bank/row/column address on Broadwell-DE. This information is logged in the log file.
  • Fixed incorrect reporting of ECC capabilities for chipsets with multiple IMCs
  • Added support for retrieving CPU info for Intel Gemini Lake chipsets
  • Added preliminary support for retrieving CPU info for Intel Ice Lake chipsets
  • Fixed potential unstable behaviour when increasing the target multiplier for Intel Silvermont chipsets
  • Fixed enabling turbo mode on Intel Silvermont chipsets
  • Updated temperature offsets for AMD Ryzen chipsets
  • Added preliminary support for reading AMD Ryzen 5000 (Family 19h) chipset temperatures
  • Updated EDK2 library to edk2-stable202008
  • Fixed memory leak when exiting program
  • Revised Portuguese translations
  • Updated unifont.bin file with higher weight Russian glyphs
  • Removed PassMark contact information from reports

Version 8.4 - 8/May/2020​

• Fixes/Enhancements
  • Added new config file parameter 'CHECKMEMSPDSIZE' for checking consistency of total memory capacity of detected SPDs against system memory size
  • Added new config file parameter 'SPDMATCH'. If enabled, will perform a comparison of the values contained in SPD.spd file with the actual SPD data obtained
  • Memory is now reserved at the beginning and released at the end of the test session to reduce frequency of memory allocations/release and improve UI responsiveness
  • Added fallback setting to best screen resolution candidate if current screen resolution is outside supported range
  • Increased maximum supported screen height from 1080 to 1200
  • Added tftp.remap file for fixing backslash/forward slash issues with uploading XML files when running TFTP server on Linux machines
  • Added warning message when failing to inject ECC errors for Ryzen chipsets (due to being disabled in production)
  • Added disabling of DRAM periodic and redirect scrub when performing ECC injection on Ryzen chipsets
  • Added specific Mac Pro models to black list to workaround display and multiprocessing issues
  • Added preliminary ECC support for Ryzen Zen 2
  • Added preliminary support for retrieving CPU info for Intel Comet Lake chipsets
  • Updated Russian translations (courtesy of Victor Lutz)

Version 8.3 - 22/Nov/2019​

• Fixes/Enhancements
  • Added AUTOREPORT configuration file parameter to enable/disable automatic saving of test results HTML report when AUTOMODE is enabled
  • Added TFTPSTATUSSECS configuration file parameter to set the period to send status XML updates to TFTP server (for management console)
  • Modified behaviour for detection of duplicate errors. Errors with the same address (and bits) but occur in different tests are no longer considered to be duplicate.
  • Fixed hang when CPU does not support SSE4.1 instructions when running Test 12
  • Fixed MINSPDS and EXACTSPDS configuration file parameters being incorrectly set when saving current configuration settings to file
  • Fixed escaping of characters in XML messages to TFTP server (for management console)
  • Fixed invalid XML tag in XML messages to TFTP server (for management console)
  • Report is now automatically saved before the end of test prompt when AUTOMODE=2 is set in configuration file
  • Fixed incorrect reference to blacklist flag 'TEST12_ONECPU' (correct flag is 'TEST12_SINGLECPU')
  • Updated Russian translations (courtesy of Victor Lutz)
  • Added better sanity checking for SPD bytes
  • Updated JEDEC manufacture list to JEP106AZ (May 2019)
  • Fixed channel mapping for Apollo Lake ECC detection
  • Fixed ECC detection for certain Intel Skylake-SP chipsets

Version 8.2 - 3/Jun/2019​

• Fixes/Enhancements
  • Added REPORTPREFIX configuration file parameter to specify the prefix text to use for the report files
  • Added TEST12_SINGLECPU flag to blacklist.cfg to force test 12 to run in single CPU mode as a workaround for CPU threads hanging in PARALLEL mode
  • Added DISABLE_LANG flag to blacklist.cfg to disable language support and font support, which is known to cause issues on some Dell systems
  • Changed the blacklist.cfg RESTRICT_ADDR flag lower address limit from 0x1000 to 0x100000, as some systems experience issues when writing to the BIOS area (up to 0xFFFFF)
  • Fixed bug with blacklist.cfg RESTRICT_ADDR flag not setting the lower address limit properly
  • Fixed buffer overrun bugs detected by HeapGuard when measuring memory latency
  • Fixed fluctuations in memory/cache speed measurements
  • Fixed UI issues with System Information screen
  • Changed "red" error text to "light red" for better readability
  • Fixed CPU temperature readings for several AMD Ryzen chipsets
  • Added reporting of Module Manufacturer's Specific Data in DDR4 SPD modules to PXE server for use with Management Console (Site Edition only)
  • Fixed timing issues with retrieving SPD data on Skylake-X chipset
  • Fixed decoding of DDR4 SPD Post Package Repair (PPR) (Byte 9)
  • Fixed decoding of DDR4 SPD Secondary SDRAM Package Type (Byte 10)

Version 8.1 - 4/Jan/2019​

• Fixes/Enhancements
  • Added version information and total CPU threads to test summary screen
  • Increased maximum number of CPU threads to 256
  • Added text colour to error messages during testing
  • Added Mac Mini 2018 to blacklist which sets the lower address limit to 0x1000 by default
  • Fixed bug in detection of hyperthreads when the number of CPU threads exceeds the maximum
  • Fixed incorrect JEDEC manufacture names (Bank 10)
  • Fixed missing RAM part number / serial number obtained from SMBIOS in HTML report
  • Fixed incorrect channel/slot number for ECC errors on Skylake-SP chipsets
  • Fixed bug in specifying the number of test passes for Free version