64k of onboard memory, with 38,911 bytes free after system initialization and before chainloading Deitrix.

A monochromatic vector display with a configurable foreground color.

An unnamed Pip-Boy GUI, started after system initialization.

Deitrix 303, an operating system stored on ROM bank 1.

Nondescript system components 'Loader v1.1' and 'Exec Version 41.10'.

The software stack and specifications on the Sole Survivor's Pip-Boy 3000 Mark IV consist of the following: It is a more ergonomically designed and up-to-date version of the Pip-Boy 3000 used in other vaults. Its screen also acts as a flashlight in low visibility areas and it has a dial for tuning into radio frequencies. The Pip-Boy 3000 Mark IV is a multi-functional device that features a built-in Geiger counter and has been programmed to display the wearer's stats, area maps, inventory, and item properties. The Pip-Boy 3000 Mark IV was distributed to all six Vault-Tec vaults in the vicinity of Boston: Vault 75, Vault 81, Vault 95, Vault 111, Vault 88 and Vault 114.

Brighter pipboy light v1