PIO modes

By ITGirl
Apr 23, 2006
  1. i know im going old school..but was just wondering

    what sort of bus is required to operate PIO mode 3 or 4?
  2. Nodsu

    Nodsu TS Rookie Posts: 5,837   +6

    PIO modes 3 and 4 would indicate something to do with ATA. These modes were officially defined in the ATA-2 standard (1996). So one would need ATA devices that conform to ATA-2 or later.
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