

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. MemTest86 (without the plus) was originally developed by Chris Brady (BradyTech Inc) with a first release in 1994.
