Power Supply Tests
Test | Estimated completion time | Description |
Good | 1 second | Checks if the power supply’s |
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| good bit is set. If it’s not set, this |
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| could indicate that the power |
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| supply isn’t seated well or is bad, |
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| or that there’s no AC connected. |
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|
Processor Tests
Test | Estimated completion time | Description |
L1 Cache Test | 3 seconds | Verifies that the L1 cache is |
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| good on all processor cores. |
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|
Sensor Tests
When Server Diagnostics EFI starts, it performs a hardware existence test. Sensors found during this test can be tested individually using sensor tests.
Test | Estimated completion time | Description |
Sensor Reads | 1 second | Verifies that the sensor reads are |
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| within the preset sensor limits. |
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|
|
SMC PID Sensor Tests
The System Management Controller (SMC) monitors the Proportional Integral Derivative (PID) controller which controls several important temperature sensors.
Test | Estimated completion time | Description |
SMC PID Sensor | 1 second | Verifies that the sensor reads |
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| controlled by the PID are within |
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| the preset sensor limits. |
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|
|
USB Tests
Connect USB devices before running USB tests.
Test | Estimated completion time | Description |
Presence | 1 second | Verifies that a USB device is |
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| connected. |
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Appendix Server Diagnostics Test Reference
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