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by Pastaman on August 12th, 2003

Pastaman

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What is a ISA?

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  • by DOSJockey382 on August 13th, 2003

    DOSJockey382

    ISA stands for Industry Standard Architecture. ISA is a 16-bit expansion card bus that was first implemented with the IBM AT personal computer. Originally referred to as the AT bus, the AT bus became ISA in 1987 when IEEE set down industry-wide timing specications for the bus, which IBM had not done. ISA has been in nearly every PC computer line from the IBM AT to the Pentium 3 and Athlon lines. ISA started to be phased out about the time Athlon and Pentium 3 processors started breaking the the 1GHz barrier. ISA slots are longer than PCI and AGP slots and black in color, usually found on the far right when looking at the back of more recent computers that still have ISA slots.

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