However, from V5 with the the software is being released under a proprietary license. The MemTest86 v4 project (for traditional BIOS) is still maintained and remains GPL open source, for use on old machines. The core software still remains free to use without restrictions. Starting from MemTest86 v5, the code was re-written to support self-booting from the newer UEFI platform.
The 64bit era was here, DDR4 was coming, UEFI had already arrived and Microsoft's Secure boot technology threatened to prevent MemTest86 from booting on future PC hardware. This was around the time that a lot of technological changes were occurring. In Feb 2013, after another long period of not much development, PassMark Software took over the maintenance of the original MemTest86 project from Chris. MemTest86 (the original) and the plus version exchanged a bunch of source code in this period. The original MemTest86 was continued to be developed across 2004 to 2013, with multiple updates made - most notably the stable Version 4.0 release. Nevertheless, both Memtest86s subsequently continued to be developed. The naming was unfortunate as it now leads to total confusion between users. MemTest86 was released as free open source (GPL) software during this period.īetween 2002 – 2004 (during the time period of the MemTest86 V3.0 release and there wasn't much activity from Chris) the code was 'forked' by Samuel Demeulemeester (formally part of the French CanardPC publishing group in France) into another version of the software called MemTest86+. Between 19, support for 64bit was added (but only via PAE paging), new CPU types, symmetrical multiprocessors and many other features have been added during this period. Since then, there have been more than a dozen new versions released. However, some of the testing algorithms used have been under development since 1981 and were previously implemented on Dec PDP-11, VAX-11/780 and Cray XMP (an old super computer) architectures.
Supported OS: Windows 11, Windows 10, Windows 8.MemTest86 (without the plus) was originally developed by Chris Brady (BradyTech Inc) with a first release in 1994.Technical Details and System Requirements Complete test automation via the configuration file.Save logs and create customizable HTML reports.Secure Boot verified – Code signed by Microsoft.Insufficient RAM is one of the most frustrating computer problems, as symptoms are often random and hard to pin down. Corrupted data, crashes, and unexplained behavior. Unreliable RAM can cause a multitude of problems. (So there is no need for a future product called MemTest64). This covers both 32-bit and 64-bit machines. The number 86, following the MemTest part of the name, refers to the original x86 CPU instruction set that all of today's PCs use. This is an advanced x86 memory testing tool. Free Download PassMark MemTest86 latest version standalone offline installer for Windows.
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