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of a fatal error, the Mac will not make its startup chime.

Old World Macs (until 1998)

Macs made before 1987, upon failing the POST, crashed silently without playing any sound and froze, with a single hexadecimal string and a Sad Mac icon on the screen, if working. Macs made after 1987 but before 1998, upon failing the POST, will immediately halt with a "death chime", which is a sound that varies by model; it can be a

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