AT&T 2.1.1 manual Hardware Verification, Power-On Self Test

Configuration Testing and Troubleshooting

Hardware Verification

Power-On Self Test

When the Power-On Self Test (POST) is initiated upon booting the system, two columns of information appear on the screen. The left column identifies the item being tested; the right column indicates PASS or FAIL, or the amount of memory allocated.

The following table shows the item being checked and indicates possible causes for failure. If there is more than one cause listed, try to resolve the problem starting with the first item listed.

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