Asus M4A89GTD PRO Supplementary Manual page 25

Runs the high-precision Pi calculation on each logical CPU to test the stability of the
CPU under heavy load. If the test runs normally in the specified period or before you
stop it, the test is successful.
Memory Stress Test
Memory Stress Test items:

Tests the stability of the memory modules.
Uses a variety of parameters and approaches to test the stability of the memory
modules.
To access more memory for assessing the current physical memory load capacity,
enable the Lock Pages in the memory settings, if the current account policy allows it.
Refer to the operating system's Help file for more details on enabling the Lock Pages.
Display Adapter Stress Test
Display Adapter Stress Test items:

Texture Mapping Test

3D Rendering Test
During the specified time, the above two tests run alternatively to assess the display adapter
load ability.
Test Results Analysis
For each devices test (such as the System Devices Test / System Stress Test), the ASUS PC
Diagnostics shows the corresponding test results as Passed, Failed, or Value.

Passed
Indicates that the test is successfully completed with no errors.

Failed
The test cannot be completed because one or more errors are detected during the
test.