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A bare VM may not have a BIOS, it's just partitioning supported by the host CPU and OS. The emulation of the legacy PC hardware stack for conventional OS compat
by speed_spread 1y ago
A bare VM may not have a BIOS, it's just partitioning supported by the host CPU and OS. The emulation of the legacy PC hardware stack for conventional OS compatibility is a separate thing. If the guest OS is custom-designed to launch in a bare VM with known topology it can boot very, very fast.