memtest86+ Changelog

New in version 5.01

October 1st, 2013
  • New Features:
  • Added support for up to 2 TB of RAM on X64 CPUs
  • Added experimental SMT support up to 32 cores (Press F2 to enable at startup)
  • Added complete detection for memory controllers
  • Added Motherboard Manufacturer & Model reporting
  • Added CPU temperature reporting
  • Added enhanced Fail Safe Mode (Press F1 at startup)
  • Added support for Intel "Sandy Bridge-E" CPUs
  • Added support for Intel "Ivy Bridge" CPUs
  • Added preliminary support for Intel "Haswell" CPUs (Core 4th Gen)
  • Added preliminary support for Intel "Haswell-ULT" CPUs
  • Added support for AMD "Kabini" (K16) CPUs
  • Added support for AMD "Bulldozer" CPUs
  • Added support for AMD "Trinity" CPUs
  • Added support for AMD E-/C-/G-/Z- "Bobcat" CPUs
  • Added support for Intel Atom "Pineview" CPUs
  • Added support for Intel Atom "Cedar Trail" CPUs
  • Added SPD detection on most AMD Chipsets
  • Bug Fixes:
  • Enforced Coreboot support
  • Optimized run time for faster memory error detection
  • Rewriten lots of memory timings detection cod
  • Corrected bugs, bugs and more bugs (some could remain)

New in version 4.20 (January 26th, 2011)

  • New Features:
  • Added failsafe mode (press F1 at startup)
  • Added support for Intel "Sandy Bridge" CPU
  • Added support for AMD "fusion" CPU
  • Added Coreboot "table forward" support
  • Bug Fixes:
  • Corrected some memory brands not detected properly
  • Various bug fixes

New in version 4.10 (May 6th, 2010)

  • New Features:
  • Added support for Core i7 Extreme CPU (32nm)
  • Added support for Core i5/i3 (32 nm)
  • Added support for Pentium Gxxxx (32 mn)
  • Added support for Westmere-based Xeon
  • Added preliminary support for Intel Sandy Bridge
  • Added support for AMD 6-cores CPU
  • Added detection for Intel 3200/3210
  • New installer for USB Key
  • Bug Fixes:
  • Corrected a crash at startup
  • Many others bug fixes

New in version 4.0 (September 23rd, 2009)

  • New Features:
  • Major Architectural changes
  • First pass twice faster (reduced iterations)
  • Detect DDR2/3 brands and part numbers on Intel DDR2/3 chipsets
  • Added detection for Intel "Clarkdale" CPU
  • Added detection for Intel "Gulftown" CPU
  • Added detection for AMD "Magny-Cours" CPU
  • Added detection for Intel XMP Memory
  • Added for CPU w/ 0.5/1.5/3/6/12/16/18/24MB L3
  • Added "clean" DMI detection for DDR3/FBDIMM2
  • Better detection of Integrated Memory Controllers
  • Bug Fixes:
  • Corrected detection for Intel "Lynnfield" CPU
  • Corrected detection for AMD 45nm K10 CPU
  • Solved crash with AMD Geode LX
  • Complies with SMBIOS 2.6.1 specs
  • Fixed compilation issues with gcc 4.2+
  • Many others bug fixes

New in version 3.5 (February 9th, 2009)

  • Limited support for execution with multiple CPUs was added.
  • Support for detection of additional chipsets was added.
  • Additions and corrections for CPU detection were made, including for the reporting of L3 cache.
  • The information display was reworked for better readability and new information.
  • Abbreviated iterations were introduced for the first pass.
  • Enhancements were made to memory sizing.
  • Miscellaneous other bugfixes were made.

New in version 2.11 (December 23rd, 2008)

  • This release adds support for the Intel Core i5 (Lynnfield) CPU, Intel P55 Southbridge, Intel PM45/GM45/GM47 Mobile chipset, and Intel GL40/GS45 Mobile chipset.
  • It corrects DDR2/DDR3 detection on Intel x35/x45, corrects detection on some Core i7 CPUs, fixes a bug with some AMI BIOS (freeze at startup), and has various bugfixes.

New in version 2.10 (November 16th, 2008)

  • Support was added for Intel Core i7 (Nehalem) CPU, Intel Atom Processors, Intel G41/G43/G45 Chipsets, Intel P43/P45 Chipsets, Intel US15W (Poulsbo) Chipset, Intel EP80579 (Tolapai) SoC CPU, ICH10 Southbridge (SPD/DMI), and Intel 5000X.
  • A workaround was added for DDR3 DMI detection.
  • The program is now fully aware of a CPU with L3 cache (Core i7 & K10).
  • Intel 5000Z chipset detection, Memory Frequency on AMD K10, and cache detection on C7/Isaiah CPU were fixed.