Iron

Hardware, especially older and larger hardware of mainframe class with big metal cabinets housing relatively low-density electronics (but the term is also used of modern supercomputers).

Often in the phrase big iron.

Oppose silicon.

See also dinosaur.

[Jargon File]

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Iris IRISA IRIX IRL IRM	88open A3D ABC Abstract-Type and Scheme-Definition Language ACE	Iron Age iron box Ironman ironmonger IRQ