HP AB300 - Server Console Solution Troubleshooting Guide download pdf (Page 27)

Diagnostics and Troubleshooting

Troubleshooting Guide 335795-006 4–3

Power-On Sequence

At power-on, the flash boot block code initializes the hardware to

a known state, then performs basic power-on diagnostic tests to

determine the integrity of the hardware. Initialization performs

the following functions:

1. Initializes CPU and memory controller.

2. Initializes VGA software.

3. Initializes and configures all PCI devices.

4. Initializes the video to a known state.

5. Initializes USB devices to a known state.

6. Performs power-on diagnostics. (See the following

“Power-On Diagnostics” section.)

7. The unit boots the operating system.

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HP AB300 - Server Console Solution Troubleshooting Guide Page 27