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by bogomipz
2102 days ago
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>"My understanding of the spec, is that the BIOS just powers PCI/PCI-e devices on and off one by one during early boot, such that only one option ROM can be wired at a time; and does all its interaction with said ROM while it's isolated like this. The ability to do this "early power-on" — that maybe only powers on the wired ROMs and nothing else — is an important part of what it means for a PCI device to be "Plug-and-Play"!" Interesting is this what acutally makes the boot times for servers with a handlful of option ROMs so painfully slow then? |
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