|
Memtest86 and Memtest86+ are memory test software programs designed to test and stress test an x86 architecture computer's random access memory (RAM) for errors. Each tries to verify that the RAM will accept and correctly retain arbitrary patterns of data written to it, that there are no errors where different bits of memory interact, and that there are no conflicts between memory addresses. == History == Memtest86 was developed by Chris Brady. After Memtest86 remained at v3.0 (2002 release) for two years, the Memtest86+ fork was created by Samuel Demeulemeester to add support for newer CPUs and chipsets. the latest version of Memtest86+ is 5.01.〔(Memtest86 - Memory Diagnostic Support Page )〕〔http://www.memtest.org/#history〕 Memtest86 is written in C and x86 assembly. The source code is released under the GNU General Public License (GPL). The bootloading code was originally derived from Linux 1.2.1. Both versions now support current dual- and quad-core-CPUs and the corresponding chipsets. The latest release of Memtest86+ supports Intel-based Macintosh computers. Starting from Memtest86 2.3 and Memtest86+ 1.60,〔〔 the program can output a list of bad RAM regions in the format expected by the BadRAM patch for the Linux kernel; using this information, a Linux system can reliably use a RAM module even if it has a few bad bits. Grub2 is able to supply this same information to an unpatched kernel,〔(GNU GRUB Manual 1.99 )〕 making the BadRAM patch unnecessary. At some point the original memtest86 was sold to PassMark who continued to improve it through version four. Version five was rewritten and released under another licence. Version six provides support for DDR4 RAM, UEFI secure boot, plus a new "row hammer test" based on research from Yoongu Kim et al. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Memtest86」の詳細全文を読む スポンサード リンク
|