3
votes
1answer
272 views

What does an ACPI BIOS configure during boot?

When a PC boots with an ACPI BIOS, what does it exactly do? I understand that the point of ACPI is to allow the OS to control hardware resources and power management but before the OS is loaded ...
3
votes
1answer
986 views

PCI Expansion card resource allocation by a Plug-and-Play BIOS

Plug-and-Play BIOS spec says that if you have a PnP BIOS, it can configure the hardware. This means that your BIOS reads the resource requirements of all devices and configures them (allocates ...