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Release Notes

Memtest86 Free Edition 6.00
New Features
  • Support for DDR4 RAM (and associated hardware), including retrieval and reporting of DDR4-specific SPD details. This includes DDR4 RAM that support Intel XMP 2.0 DDR4 RAM timings.
  • New RAM benchmarking feature allowing results to be graphed and saved to disk. Previous results can be graphed on the same chart for comparison.
  • New "Hammer Test" for detecting disturbance errors caused by charge leakage when repeatedly accessing addresses in the same memory bank but different rows in a short period of time.
  • Language support for French/German/Japanese/Chinese. All text are displayed in the selected language, including generated reports.
  • Added Haswell-E (DDR4) ECC support
  • Added Xeon E5 v3 ECC support
  • Added Ivy Bridge (non-Xeon) ECC support
  • Added AMD Steppe Eagle ECC support
  • Added Intel Atom E3800 SoC ECC support
  • Fixed ECC detection for Ivy Bridge-EX/Haswell-EX chipsets that have a 2nd memory controller
  • Fixed Intel5400 ECC registers not being reset after starting test
  • Fixed ECC errors immediately being reported after starting test (Ivy Bridge-E)
  • Added support for ECC injection for Intel Xeon E3 v3 (untested)
  • Fixed handling of Intel ICH SMBUS built-in hardware semaphore to prevent SMBus device contention
  • Fixed possible crash when DDR3 module type value in the RAM SPD info is invalid
  • Fixed DDR4 SPD clock speed rounding errors in the RAM SPD info
  • Fixed DDR3 SPD Register manufacturer/type in the RAM SPD info not appearing correctly
  • CPU speed measurement is now more robust by taking multiple samples
  • Fixed Intel turbo clock speed calculation
  • Fixed detection of Intel turbo support for Xeon chipsets
  • Increased maximum # of supported CPUs to 72
  • Increased maximum # of supported RAM modules to 64
  • Increased the number of supported memory controllers to 8
  • New config file parameter 'ECCINJECT' for specifying whether to enable/disable ECC injection
  • New config file parameter 'MEMCACHE' for specifying whether to enable/disable memory caching
  • New config file parameter 'PASS1FULL' for specifying whether the first pass should run the full iteration or reduced iteration
  • New config file parameter 'ADDR2CHBITS' to specify the address bits to XOR to determine the memory channel
  • New config file parameter 'LANG' for specifying language to use on startup
  • Console resolution is now forced to 80 x 25
  • Graphics resolution is now set to a minimum of 1024 x 768
  • Updated ImageUSB to v1.1.1015 which includes an option to zero the USB drive
  • Running memory tests in parallel mode is now more robust for UEFI BIOS that exhibit inconsistent multiprocessor behaviour
  • Fixed detection of the number of enabled processors for UEFI BIOS that exhibit inconsistent multiprocessor behaviour
  • Fixed test status screen not being displayed correctly for consoles with small/large screen widths
  • In the RAM SPD menu screen, PGUP/PGDN can be used to navigate between pages of RAM modules
  • For specific cases where files under EFI\BOOT cannot be accessed (eg. grub2), log/report files shall be written to the root directory
  • During MemTest86 boot-up, the system memory map is now written to log file
  • Various optimizations of the size of the MemTest86 binary
  • Forced a memory address limit of 32-bits when running under 32-bit UEFI
  • Memory ranges to be tested are now allocated at the beginning of each test (due to the possibility that the memory map changes in the middle of testing)
  • Reduced the number of log messages written when waiting for other processors to finish when running in parallel mode
  • When allocating memory for Bit Fade Test, leave 1MB of free memory available (to prevent firmware drivers from running out of memory)
  • Fixed potential crash or other unexpected behaviour due to memory issues with random functions
  • Reports are now saved using UTF16 encoding to support Unicode characters
  • Changed memory allocation behaviour by only pre-allocating memory segments >= 16MB to prevent memory
Description Download

Size: 18.32MB Announcement

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