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Processor Direct Slot
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{{Multiple issues|{{More citations needed|date=April 2023}} {{More footnotes|date=April 2023}}}} [[Image:LC-PDS-Ethernet-Card.jpg|right|thumb|250px|LC PDS Ethernet card. PDS connector is at bottom left of photo. The card was mounted parallel to the main logic board, unlike most computer busses in which cards are inserted at right angles to the motherboard.]] A '''processor direct slot''' ('''PDS''') is a slot incorporated into many older [[Macintosh]] models that allowed direct access to the signal pins of a CPU, similar to the functionality of a [[local bus]] in [[Personal computer|PC]]s. This would result in much higher speeds than having to go through a bus layer, such as [[NuBus]], which typically ran at a slower 10 MHz speed.<ref name="lowendmac-iici">{{Cite web |title=Mac IIci |url=https://lowendmac.com/1989/mac-iici/ |access-date=2022-09-03 |website=lowendmac.com |archive-date=2022-09-03 |archive-url=https://web.archive.org/web/20220903213221/https://lowendmac.com/1989/mac-iici/ |url-status=live }}</ref>
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