A few days ago I wanted to use my HP C8000 workstation after a long time - but a defect changed my plans. Instead of showing the Boot Console Handler (BCH) the C8000 only presented a black screen. Even the serial interface was not working at all - no good sign.

I had a deepter look at the issue and unplugged all …

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It has …

It is quite possible that a brand-new Raspberry Pi only comes with 256 MB memory after the first boot:

1$ dmesg | grep -i "MB total"
2[    0.000000] Memory: 256MB = 256MB total

A misdelivery does not necessarily have to be the reason for this effect. It is rather important which of the following codes is noted …