Memtest and memtest86 + tutorial

The importance of having a computer in it is self-evident that most computers suffer from unstable situations, such as a program that inexplicably loses response and prompts "0x ???????? Instruction reference 0x00000000 memory, the memory cannot be written "; when opening the file, the system occasionally prompts that the file is damaged, but it will be okay to open it later ......, Both have a great relationship with the memory quality and compatibility. Is there any testing software available for purchase? The answer is yes. Here we recommend memtest and memtest86 +.

Memtest

Memtest not only thoroughly detects the memory stability, but also tests the memory storage and data retrieval capabilities, this gives you real control over the memory that is currently being used on your machine.

Memtest is a green software. You can directly click the execution file to run it. After the main interface appears, you can enter the memory capacity you want to test in a space. If you do not enter the memory capacity, the default value of the software is "all unused memory ". Then press the start test button to start the memory test. In the test, you only need to click "Stop Test" to terminate the test.

Memtest cyclically checks the memory until the user stops. If the memory has any quality problems, memtest will prompt you. The longer this test takes, the higher the test of the memory quality. Generally, as long as the following value is displayed after 200%, it basically indicates that the memory has no quality problems. During the test, it is best to close all applications, otherwise the part of the memory occupied by the application will not be detected.

Memtest86 +

This is a compact and professional memory testing program developed based on the famous memory testing software memtest86.

The installation and use of memtest86 + are somewhat different from those of other memory testing software, because it cannot run in windows. However, there are four ways to run this program: ISO boot disk, binfile used in Linux, EXE file used in USB boot disk, and floppy boot package. The following uses an ISO boot disk as an example to describe how to use it.

Download pre-compiled bootable ISO from the official website (http://www.memtest.org), decompress it, and burn it into a boot disc with the burning mirror function of Nero and other recording software. Start the computer with this CD, and memtest86 + will automatically start testing the memory. On the page, under the memtest86 + v1.30 program version, we can see the processor model and frequency used by the current system, as well as the size and speed of the CPU level-1 cache and level-2 cache, of course, it also includes the capacity and speed of the system physical memory, the main character of the test. The last display is the chipset type used by the motherboard. Through this information, we can have a general understanding of the main configurations of the system.

The Test Progress is displayed on the right of the system information, "pass" shows the completion progress of the main test process, and "test" shows the completion progress of the current test project. "Test #1" shows the current test project. The "walltime" below shows the time consumed by the test. In this row of data, the "ECC" column shows whether the current memory supports enabling the ECC verification function, "test" shows the test mode, which is available in "standard" and "full" modes. "Pass" indicates the number of times the memory test has been completed. The memtest86 + test has unlimited loops. It will continue testing unless you end the test program. In addition, the test of memtest86 + takes a long time. It takes about one hour to run the test in the standard mode. If the test is complete, it takes several hours (related to the memory capacity ).

To perform a full test, click "c" to open the settings menu of memtest86 +, and then click "2" to select the "test selection" option (note that you can enter a number on the primary keyboard ), click "3" and select "all test" to enable the full test mode. With this menu, we can also perform more settings, such as setting the cache size for the test and restarting the test.

After the test starts, the main memory burst problem will be detected within a few seconds. If it is a fault triggered by the special location mode, it will take a long time for the test to be detected. This requires patience. When memtest86 detects a defect, an error message is displayed at the bottom of the screen, but the test continues. If there is no error message after testing several times, we can determine that the memory is stable and reliable.

Finally, it is worth noting that if your system has multiple memory records (I believe there are a few in your machine), you need to test each memory separately, in this way, we can identify the memory error.

Because memtest86 + takes a long time to test, it can be used not only for memory testing, but also for system stability testing. After the memtest86 + test is complete, Press ESC to exit and restart the system.

Original article: http://lnsw.blog.163.com/blog/static/27870099201101155447223/