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PXE is an acronym for Pre-Boot Execution Environment. New computers utilizing PXE are compliant with the PC99 specification. This specification for computers was developed by both Intel and Microsoft, released in 1998. The PC99 specification is much more than just network boot standards, it covers everything right down to the dopey color code used on keyboard and mouse connectors on the back of the personal computer.PXE is an acronym for '''Pre-Boot Execution Environment'''. New computers utilizing PXE are compliant with the PC99 specification. This specification for computers was developed by both Intel and Microsoft, released in 1998. The PC99 specification is much more than just network boot standards, it covers everything right down to the dopey color code used on keyboard and mouse connectors on the back of the personal computer.PXE is an extension on DHCP. It requires both a DHCP and TFTP server on the network to which the PC is connected. A PC with a PXE enabled BIOS may boot to an operating system stored on the network server. It is more commonly used to install an operating system via the network from the remote server, but may also be used to run the remote operating system.:* Boot a diskless (no floppy, no cdrom, no harddrive) PC from an operating system via the network:* Boot an operating system installation via the network to install the OS on the PC