As this test is experimental, it shall be disabled by default. The motivation for this test came from discovering a defective RAM module that did not produce errors when accessed via the CPU, but failed when files were read from disk via DMA. This test exercises the disk controller's DMA hardware to perform memory access, bypassing the CPU.
Added new experimental memory test as Test 14. In order to run MemTest86, PCs with legacy BIOS platform must use the older V4 release of MemTest86. What's NewĪs MemTest86 V10 supports only the newer UEFI platform, older PCs without UEFI support would be unable to boot MemTest86. 
MemTest86 is relied on for industrial use (PC/CPU/motherboard/RAM manufacturers) and consumer use (system builders, overclockers, computer enthusiasts).
Multi-language support (Chinese, German, Russian, Spanish & more). Support for memory blacklisting in Windows (badmemorylist) and Linux (BADRAM). Full test automation via configuration file. 
Save logs and create customizable HTML reports.Secure Boot verified - Code signed by Microsoft.Optimized for UEFI-based x86/ARM systems.Self-booting off USB or Network (PXE)* boot, without needing DOS, Linux nor Windows.
All RAM types supported (DDR2, DDR3, DDR4, DDR5, SODIMM, XMP, ECC). 13 different RAM testing algorithms - including row hammer fault detection*. MemTest86 supports all current technologies: The version of Windows, Linux, or Mac used on your machine is irrelevant for execution. MemTest86 does not require any operating system for execution. If your RAM is bad from a memtest, you should first update your motherboard's BIOS or consider buying new RAM. Memtest86 only detects physical errors in your system memory, but cannot fix any errors. You can read a description of each of the test sections here. MemTest86 executes a series of numbered test sections to check for errors and there should be 0 errors. How many errors in Memtest86 are acceptable? Memtest86 will load your CPU up to 100% during testing, because data read or written to RAM will pass through the CPU, but it should not harm your processor or RAM. MemTest86 boots from a USB flash drive and tests the RAM in your computer for faults using a series of comprehensive algorithms and test patterns. 
No, MemTest86 is a memory-only testing tool for x86 and Arm PCs.
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