Memtest86+ Changelog

What's new in Memtest86+ 6.20

May 7, 2023
  • Add support for Alder Lake-N CPUs
  • Add support for VIA VT8233(A)/VT8237
  • Add support for nVidia nForce 3
  • Add support for ALi M1533/1543(C)/1535
  • Add temperature reporting on AMD K8 CPUs
  • Add some JEDEC Manufacturers
  • Better handling of SPD reading on Mobile CPUs
  • Fix APIC Timer fail on some mobile platforms
  • Fix older CPU (P5/P6-class) detection

New in Memtest86+ 6.10 (Feb 4, 2023)

  • Add support for Secure Boot Signing
  • Add support for Headless EFI system
  • Add various command line options
  • Add support for legacy ATI SB400
  • Fix an issue related to BadRAM pattern
  • Fix disabling SMP using F2 at startup
  • Fix crash on SuperMicro X10SDV
  • Various bug fixes and optimizations

New in Memtest86+ 6.01 (Dec 30, 2022)

  • Fix potential issue with Test #7 & #9
  • Skip PASS/FAIL banner on key press

New in Memtest86+ 6.00 (Oct 24, 2022)

  • Rewrite code for UEFI 32 & 64 bits
  • Add support for x64 Long Mode Paging
  • Add support for up to 256 cores
  • Add detection for DDR4 & DDR5
  • Add support for XMP 3.0
  • Add detection for AMD Zen 1/2/3/4
  • Add detection for Intel up to 13th Gen
  • Add better support for AMD pre-ZEN CPUs
  • Add support for older nVidia and AMD chipsets
  • Add support for SDRAM
  • Many enhancements
  • Numerous bug fixes & optimization

New in Memtest86+ 6.00 Beta 3 (Jul 18, 2022)

  • Rewrite code for UEFI 32 & 64 bits
  • Add support for x64 Long Mode Paging
  • Add support for up to 256 cores
  • Add detection for DDR4 & DDR5
  • Add support for XMP 3.0
  • Add detection for AMD Zen 1/2/3
  • Add detection for Intel up to 13th Gen
  • Add better support for AMD pre-ZEN CPUs
  • Add support for older nVidia and AMD chipsets
  • Add support for SDRAM
  • Numerous bug fixes & optimization

New in Memtest86+ 6.00 Beta 2 (Jun 1, 2022)

  • Add better support for AMD pre-ZEN CPUs
  • Add support for older nVidia and AMD chipsets
  • Add support for SDRAM
  • Numerous bug fixes & optimization

New in Memtest86+ 6.00 Beta 1 (May 31, 2022)

  • Rewrite code for UEFI 32 & 64 bits
  • Add support for x64 Long Mode Paging
  • Add support for up to 256 cores
  • Add detection for DDR4 & DDR5
  • Add support for XMP 3.0
  • Add detection for AMD Zen 1/2/3
  • Add detection for Intel up to 13th Gen
  • Add support for native USB keyboards
  • Add detection for Rambus RDRAM
  • Add detection for Zhaoxin CPUs
  • Numerous bug fixes

New in Memtest86+ 5.31b Beta (Apr 12, 2020)

  • Many bug fixes in the core functions.

New in Memtest86+ 5.01 (Sep 30, 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 Memtest86+ 4.20 (Jan 25, 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 Memtest86+ 4.10 (May 7, 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 Memtest86+ 4.00 (May 7, 2010)

  • 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/Gulftown" CPUt
  • 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
  • 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 specst
  • Fixed compilation issues with gcc 4.2+
  • Many others bug fixes

New in Memtest86+ 2.11 (Dec 22, 2008)

  • New Features
  • Added support for Intel Core i5 (Lynnfield) CPU
  • Added support for Intel P55 Southbridge
  • Added support for Intel PM45/GM45/GM47 Mobile chipset
  • Added support for Intel GL40/GS45 Mobile chipset
  • Bug Fixes
  • Corrected DDR2/DDR3 detection on Intel x35/x45
  • Corrected detection on some Core i7 CPU
  • Fixed a bug with some AMI BIOS (freeze at startup)
  • Various bug fixes

New in Memtest86+ 2.10 (Nov 16, 2008)

  • New Features
  • Added support for Intel Core i7 (Nehalem) CPU
  • Added support for Intel Atom Processors
  • Added support for Intel G41/G43/G45 Chipsets
  • Added support for Intel P43/P45 Chipsets
  • Added support for Intel US15W (Poulsbo) Chipset
  • Added support for Intel EP80579 (Tolapai) SoC CPU
  • Added support for ICH10 Southbridge (SPD/DMI)
  • Added detection for Intel 5000X
  • Now fully aware of CPU w/ L3 cache (Core i7 & K10)
  • Bug Fixes
  • Added workaround for DDR3 DMI detection
  • Fixed Intel 5000Z chipset detection
  • Fixed Memory Frequency on AMD K10
  • Fixed cache detection on C7/Isaiah CPU
  • Fix Memtest86+ not recognized as Linux Kernel

New in Memtest86+ 1.65 (Jan 5, 2007)

  • Add support for Intel Conroe/Merom/Woodcrest
  • Add support for Intel Yonah (0.65nm)
  • Add support for Intel Presler (0.65nm)
  • Add support for B-Step Smithfield
  • Add support for ALi/ULi 1689 & 1695
  • Add support for ATi RS482
  • Solve some P4 detected as Pentium D
  • Solve a bug with RAS detect on i955X
  • Solve a bug with K5 L1 detection size
  • Cosmetic : Mhz changed to MHz
  • Rewrite some code to avoid warning with gcc 4
  • Solve Fedora bugzilla Bug #162373