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 Release notes  Memtest86 Free Edition 6.00  |
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| In this page we post official release notes and changelogs related to Memtest86 Free Edition 6.00, if and as software developers make available these. However, if you need more info on Memtest86 Free Edition 6.00, or relases notes are not available yet, you can always consider to read its description as well. |
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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.
Fixes/Enhancements
- 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
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