Processor Direct Slot

The Processor Direct Slot (PDS ) is the slot of the company Apple, which is directly connected to the processor bus. This slot has quick access to the processor and the main memory.

Apple has used in its various computers PDS formats. There was Ethernet cards, video cards, PC cards, and emulation accelerators. In general, all of these cards work only in a single computer model or a small group of closely related models.

Computer with PDS were, inter alia,

  • SE/30
  • Macintosh IIci, IIfx
  • Quadra 700/950
  • Power Macintosh 6100/60 -/66, 7100/66 and the Power Macintosh 8100/80/100/110 ( in the model 7100/66AV and 7100/80AV, as well as the AV series of the 8100 PPC 's PDS was standard assigned a Videodigitalisierkarte, which was used as a graphics card)
  • Performa 6300 series, 6400 also have a PDS slot, which could accommodate accelerator cards, so that instead of the internal soldered PPC603e / v processor a G3 processor card took over control of the Macintosh
  • LC II, LC III, LC 475, Performa 475
  • Apple
  • Peripheral bus (internal)
Macintosh SE/30 Macintosh IIfx
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