• Thumbnail for Processor Direct Slot
    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...
    11 KB (1,340 words) - 17:39, 9 October 2024
  • Thumbnail for Macintosh Classic II
    the LC and the SE/30 before it, the Classic II lacked an internal Processor Direct Slot, making it the second slotless desktop Macintosh after the Classic...
    10 KB (882 words) - 09:29, 23 July 2025
  • memory and video boards are the most common. VESA Local Bus and Processor Direct Slot were examples of a local bus design. Although VL-Bus was later succeeded...
    1 KB (174 words) - 06:35, 4 April 2024
  • Motorola 68030, 68040 and PowerPC 601 processors. These upgrades were installed directly into the Processor Direct Slot of various Macintosh platforms, as...
    8 KB (767 words) - 15:39, 16 May 2025
  • Thumbnail for Macintosh SE/30
    SE/30 has a black-and-white monitor and a single Processor Direct Slot (rather than the NuBus slots of the IIx, with which the SE/30 shares a common architecture)...
    15 KB (1,559 words) - 06:43, 1 January 2025
  • Thumbnail for Macintosh IIci
    the same compact case design. With three NuBus expansion slots and a Processor Direct Slot, the IIci also improved upon the IIcx's 16 MHz Motorola 68030...
    7 KB (766 words) - 00:13, 22 February 2025
  • Thumbnail for Macintosh Color Classic
    Color Classic has a single expansion slot: an LC-type Processor Direct Slot (PDS), incompatible with the SE slots. This was primarily intended for the...
    11 KB (982 words) - 18:17, 25 July 2025
  • discontinued. The 5400 has one PCI slot replacing the LC-based Processor Direct Slot found in previous models, and an L2 cache slot for an optional L2 cache card...
    7 KB (619 words) - 21:02, 4 October 2024
  • Thumbnail for Macintosh Classic
    internal Processor Direct Slot, making it the first non-expandable desktop Macintosh since the Macintosh Plus. Instead, it had a memory expansion slot. The...
    24 KB (2,644 words) - 23:34, 9 July 2025
  • Thumbnail for Power Macintosh 5200 LC
    75 Hz. The 5200 LC and 5300 LC contains a Processor Direct Slot for expansion, as well as an L2 cache slot for an optional L2 cache card. By March 1996...
    10 KB (1,022 words) - 03:12, 19 June 2025
  • Thumbnail for Macintosh Quadra 610
    compatibility using an additional i486SX processor running at 25 MHz on a card installed in the Processor Direct Slot of the machine. The product was deemed...
    10 KB (970 words) - 04:15, 19 May 2025
  • Thumbnail for Macintosh IIsi
    of all but one of the expansion card slots (a single Processor Direct Slot) and removal of the level 2 cache slot. It shipped with either a 40 MB or 80 MB...
    6 KB (624 words) - 19:42, 27 September 2024
  • Thumbnail for Macintosh Quadra 700
    25 MHz processor made it a very useful computer for scientific or design work. Expansion: Two NuBus slots and a Processor Direct Slot; processor upgrades...
    12 KB (1,191 words) - 22:35, 22 July 2025
  • Thumbnail for Power Macintosh 5260
    5500 was introduced in early 1997. The 5260 has an LC-style Processor Direct Slot, and a slot into which an L2 cache card can be added. Common to all models...
    7 KB (546 words) - 04:04, 30 July 2024
  • Thumbnail for Macintosh SE
    others have the battery soldered directly in place. Expansion: A Processor Direct Slot on the logic board allows for expansion cards, such as accelerators...
    13 KB (1,398 words) - 02:10, 26 May 2025
  • Thumbnail for Power Macintosh 8100
    8100AV models, which came with an analog video in/out card in its Processor Direct Slot. A faster 110 MHz model was released in November 1994 without an...
    6 KB (411 words) - 06:46, 3 May 2023
  • Thumbnail for Macintosh LC
    68030 processor. Both the LC and LC II can be upgraded with the LC III's logic board. The LC uses a "pizza box" case with a Processor Direct Slot (PDS)...
    10 KB (1,152 words) - 22:30, 31 July 2025
  • Thumbnail for Expansion card
    proprietary system with seven 50-pin-slots for Apple II peripheral cards, then later used both variations on Processor Direct Slot and NuBus for its Macintosh...
    22 KB (2,752 words) - 14:24, 22 July 2025
  • Thumbnail for Macintosh Processor Upgrade Card
    point intensive programs. While the Macintosh Processor Upgrade did not plug into the LC Processor Direct Slot, due to power used and the space taken by the...
    5 KB (505 words) - 07:25, 14 June 2025
  • Thumbnail for Macintosh Quadra
    a Processor Direct Slot (PDS) expansion slot, while the latter was a newly designed full-tower case with five NuBus expansion slots and one PDS slot. The...
    26 KB (1,905 words) - 22:35, 22 July 2025
  • data sets, IBM Passive data structure, another term for record Processor Direct Slot, in some old Macintosh computers Personal data service, services...
    3 KB (383 words) - 17:09, 5 June 2025
  • Thumbnail for Macintosh TV
    only model in the “500 Series” that doesn’t have an available PDS (Processor Direct Slot) – that gave way to the TV tuner. The built-in 14″ Trinitron monitor...
    8 KB (781 words) - 18:00, 18 April 2025
  • Thumbnail for Apple Attachment Unit Interface
    both at the same time. AAUI connectors are also present on some Processor Direct Slot Ethernet adapter cards used in Macintosh LC and Performa machines...
    9 KB (1,043 words) - 15:38, 3 November 2024
  • Thumbnail for Macintosh Quadra 605
    68030-compatible LC Processor Direct Slot. While this is mechanically compatible with previous models' LC PDS (it will take 96-pin or 114-pin LC PDS slot cards) it...
    24 KB (2,613 words) - 08:55, 26 July 2025
  • Thumbnail for Power Macintosh 6100
    PowerPC 601 processor. The base model was complemented by an AV version, which included an add-on card fitted in its Processor Direct Slot that added audio...
    17 KB (1,712 words) - 23:42, 9 April 2025
  • Thumbnail for Power Macintosh 6400
    communication slot is not compatible with similar slots on other Macintosh computers. Processor Direct Slot (and therefore NuBus) cards are not supported...
    10 KB (784 words) - 15:07, 21 April 2025
  • Thumbnail for Power Macintosh 6200
    PCI slot, and Comm Slot II (incompatible with the earlier Comm Slot). It also includes two GeoPort external serial ports. Processor Direct Slot cards...
    19 KB (1,708 words) - 15:53, 1 July 2025
  • Thumbnail for Macintosh IIvi
    at a similar price point. All models include three NuBus slots and a Processor Direct Slot (PDS). The Performa 600 models were formally introduced on...
    5 KB (332 words) - 04:36, 23 August 2024
  • Thumbnail for Macintosh Quadra 800
    an external SCSI port, two ADB and two serial ports, 3 NuBus slots, a Processor Direct Slot, mono audio in, and stereo audio out. The inclusion of an AAUI...
    8 KB (803 words) - 08:00, 1 June 2025
  • Thumbnail for PowerBook Duo
    accomplished via a unique 156-pin Processor Direct Slot (PDS) giving the docks full access to the Duo's central processing unit (CPU) and data buses. Several...
    23 KB (2,555 words) - 17:41, 4 August 2025