ZAX Computer Prototype

 is the original prototype of the ZAX Supercomputers. It went online in 2053.

Background
Developed by Vault-Tec. Initially a prototype of some of the systems designed to govern the vaults, it is given to the government to help the Department of Energy collect resource data. Within a year, it is taken by the military for plague and tactical research; one version, ZAX 1.2 is constructed for West Tek.

Appearances
It does not appear in any Fallout games, and is only mentioned in the Fallout Bible.