Acer HARLEY TAB A3-A20 Service Manual page 86

6.8 SD/ExSD----SD Card Test

Insert a valid SD card before starting up this test.

This test is to check whether the tablet can detect the SD card and check the total memory, the available
memory and the normality of R/W of SD card. This test will passé if the three functions work normally.
 After the test is done, click on ―Pass‖ or ―Fail‖ button to exit the test. Test result will be automatically
written into ―/sdcard/Factory/Diagnostic/ _TestResult.txt‖.
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