beige box

Noun

 * 1)  A device used in phreaking, technically equivalent to a telephone company lineman's handset: a telephone fitted with alligator clips to attach it to a line.
 * 2)  A desktop computer in the style typical of personal computers of the 1980s and 1990s, having a boxy off-white case and CRT monitor.
 * 3)  An outdated personal computer.