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- Macintosh_Quadra_840AV abstract "The Macintosh Quadra 840AV (code names: "Quadra 1000", "Cyclone") is a personal computer that is a part of Apple Computer's Quadra series of Macintosh computers. It was introduced in July 1993 alongside the Centris 660AV, the "AV" after both model numbers signifying video input and output capabilities, as well as enhanced audio. It was discontinued in July 1994, with no immediate replacement – however, the later AV versions of the Power Macintosh 8100 took a very similar position in Apple's product lineup.At the time of introduction, its 40 MHz Motorola 68040 CPU and interleaved RAM made it the fastest Macintosh available, topping both the nominally higher-end Quadra 950 and the Quadra 800 by 7 MHz. It remains both the fastest Quadra and the fastest 68k Macintosh of all time, since all later high-end Macintoshes were PowerPC-based Power Macintoshes. The 840AV is also the only Mac to use the 40 MHz-clocked 68040. It also sports a faster 66.7 MHz AT&T DSP 3210 Digital Signal Processor chip, compared with the 55 MHz variant in the 660AV. The on-board DSP was primarily intended to speed up audio/video processing, although few Mac programs made use of this due to the complexity of programming it.The 840AV and its relative, the Centris/Quadra 660AV, marked a number of firsts for the Macintosh family. They were the first Macintoshes to include on-board 16-bit 48 kHz stereo audio playback and recording capability, as well as S-Video and composite video input and output. To improve video playback, two separate frame buffers were used: one for standard graphics, and one specifically for video. This enabled the live video input to be displayed as a scalable "window" within the Macintosh user interface. They were also the first personal computers that supported speech recognition (PlainTalk) out-of-the-box. The Apple GeoPort Telecom Adapter Kit introduced with the AV Macs added many DSP-based telecommunication functions, such as modem, fax, and telephony.The Quadra 840AV came in a similar case to the earlier Macintosh Quadra 800 (the power button was moved to the front and the debugging switches were omitted). However, the 840AV was significantly different on the inside. Apart from the faster processor, it lacked the 800's Processor Direct Slot and second ADB port, but added a DAV slot (in line with NuBus slot A) and the new GeoPort. Also, unlike the 800's 8 MiB of fixed RAM on the logic board, all of the 840AV's memory was in SIMMs (this is the reason why the minimum amount of memory is lower).".
- Macintosh_Quadra_840AV cpu Motorola_68040.
- Macintosh_Quadra_840AV operatingSystem Mac_OS_9.
- Macintosh_Quadra_840AV operatingSystem System_7.
- Macintosh_Quadra_840AV thumbnail Macintosh_Quadra_840AV.jpg?width=300.
- Macintosh_Quadra_840AV wikiPageExternalLink ?page=gallery&model=840.
- Macintosh_Quadra_840AV wikiPageExternalLink SP237.
- Macintosh_Quadra_840AV wikiPageExternalLink TA29752?viewlocale=en_US.
- Macintosh_Quadra_840AV wikiPageExternalLink art5.htm.
- Macintosh_Quadra_840AV wikiPageExternalLink mac_quadra_840av.html.
- Macintosh_Quadra_840AV wikiPageExternalLink quadra-840av.html.
- Macintosh_Quadra_840AV wikiPageID "4839792".
- Macintosh_Quadra_840AV wikiPageLength "6894".
- Macintosh_Quadra_840AV wikiPageOutDegree "36".
- Macintosh_Quadra_840AV wikiPageRevisionID "655922556".
- Macintosh_Quadra_840AV wikiPageWikiLink 68k.
- Macintosh_Quadra_840AV wikiPageWikiLink AppleDesign_Powered_Speakers.
- Macintosh_Quadra_840AV wikiPageWikiLink Apple_AudioVision_14_Display.
- Macintosh_Quadra_840AV wikiPageWikiLink Apple_Computer.
- Macintosh_Quadra_840AV wikiPageWikiLink Apple_Inc..
- Macintosh_Quadra_840AV wikiPageWikiLink Apple_Keyboard.
- Macintosh_Quadra_840AV wikiPageWikiLink Apple_Macintosh.
- Macintosh_Quadra_840AV wikiPageWikiLink Apple_Mouse.
- Macintosh_Quadra_840AV wikiPageWikiLink Category:68k_Macintosh_computers.
- Macintosh_Quadra_840AV wikiPageWikiLink Category:Macintosh_Quadra_series.
- Macintosh_Quadra_840AV wikiPageWikiLink Category:Macintosh_towers.
- Macintosh_Quadra_840AV wikiPageWikiLink Digital_Signal_Processor.
- Macintosh_Quadra_840AV wikiPageWikiLink Digital_signal_processor.
- Macintosh_Quadra_840AV wikiPageWikiLink GeoPort.
- Macintosh_Quadra_840AV wikiPageWikiLink Interleaved_memory.
- Macintosh_Quadra_840AV wikiPageWikiLink Logic_board.
- Macintosh_Quadra_840AV wikiPageWikiLink Mac_OS_8.
- Macintosh_Quadra_840AV wikiPageWikiLink Mac_OS_9.
- Macintosh_Quadra_840AV wikiPageWikiLink Macintosh.
- Macintosh_Quadra_840AV wikiPageWikiLink Macintosh_Quadra.
- Macintosh_Quadra_840AV wikiPageWikiLink Macintosh_Quadra_660AV.
- Macintosh_Quadra_840AV wikiPageWikiLink Macintosh_Quadra_800.
- Macintosh_Quadra_840AV wikiPageWikiLink Macintosh_Quadra_950.
- Macintosh_Quadra_840AV wikiPageWikiLink Mebibyte.
- Macintosh_Quadra_840AV wikiPageWikiLink MiB.
- Macintosh_Quadra_840AV wikiPageWikiLink Motherboard.
- Macintosh_Quadra_840AV wikiPageWikiLink Motorola_68000_series.
- Macintosh_Quadra_840AV wikiPageWikiLink Motorola_68040.
- Macintosh_Quadra_840AV wikiPageWikiLink Personal_computer.
- Macintosh_Quadra_840AV wikiPageWikiLink PowerCD.
- Macintosh_Quadra_840AV wikiPageWikiLink PowerPC.
- Macintosh_Quadra_840AV wikiPageWikiLink Power_Macintosh.
- Macintosh_Quadra_840AV wikiPageWikiLink Power_Macintosh_8100.
- Macintosh_Quadra_840AV wikiPageWikiLink Power_Macintosh_G3.
- Macintosh_Quadra_840AV wikiPageWikiLink Power_Macintosh_G3_beige.
- Macintosh_Quadra_840AV wikiPageWikiLink Processor_Direct_Slot.
- Macintosh_Quadra_840AV wikiPageWikiLink S-Video.
- Macintosh_Quadra_840AV wikiPageWikiLink SIMM.
- Macintosh_Quadra_840AV wikiPageWikiLink System_7.
- Macintosh_Quadra_840AV wikiPageWikiLink System_7_(Macintosh).
- Macintosh_Quadra_840AV wikiPageWikiLink File:Macintosh_Quadra_840AV_logic_board_820-0382-10_(661-1700).jpg.
- Macintosh_Quadra_840AV wikiPageWikiLink File:Quadra_840AV_&_Macintosh_16-inch_Color_Display_&_AppleDesign_Powered_Speakers_&_Apple_Extended_Keyboard_II_&_Apple_Desktop_Bus_Mouse_II.jpg.
- Macintosh_Quadra_840AV wikiPageWikiLinkText "840AV".
- Macintosh_Quadra_840AV wikiPageWikiLinkText "Mac Quadra 840AV".
- Macintosh_Quadra_840AV wikiPageWikiLinkText "Macintosh Quadra 840AV".
- Macintosh_Quadra_840AV wikiPageWikiLinkText "Quadra 840 AV".
- Macintosh_Quadra_840AV wikiPageWikiLinkText "Quadra 840".
- Macintosh_Quadra_840AV wikiPageWikiLinkText "Quadra 840AV".
- Macintosh_Quadra_840AV cpu Motorola_68040.
- Macintosh_Quadra_840AV cpuspeed "40.0".
- Macintosh_Quadra_840AV discontinued "1994-07-18".
- Macintosh_Quadra_840AV hasPhotoCollection Macintosh_Quadra_840AV.
- Macintosh_Quadra_840AV imagewidth "150".
- Macintosh_Quadra_840AV introduced "1993-07-29".
- Macintosh_Quadra_840AV msrp "3500".
- Macintosh_Quadra_840AV os "System 7.1-System 7.1.2, System 7.5-Mac OS 8.1, or with PowerPC upgrade, Mac OS 9.1".
- Macintosh_Quadra_840AV ram "8".
- Macintosh_Quadra_840AV ramtype "60".
- Macintosh_Quadra_840AV wikiPageUsesTemplate Template:Apple_hardware.
- Macintosh_Quadra_840AV wikiPageUsesTemplate Template:Apple_hardware_before_1998.
- Macintosh_Quadra_840AV wikiPageUsesTemplate Template:Mac_specs.
- Macintosh_Quadra_840AV wikiPageUsesTemplate Template:Use_mdy_dates.
- Macintosh_Quadra_840AV subject Category:68k_Macintosh_computers.
- Macintosh_Quadra_840AV subject Category:Macintosh_Quadra_series.
- Macintosh_Quadra_840AV subject Category:Macintosh_towers.
- Macintosh_Quadra_840AV hypernym Computer.
- Macintosh_Quadra_840AV type Device.
- Macintosh_Quadra_840AV type InformationAppliance.
- Macintosh_Quadra_840AV type Computer.
- Macintosh_Quadra_840AV type Thing.
- Macintosh_Quadra_840AV type Q1067263.
- Macintosh_Quadra_840AV comment "The Macintosh Quadra 840AV (code names: "Quadra 1000", "Cyclone") is a personal computer that is a part of Apple Computer's Quadra series of Macintosh computers. It was introduced in July 1993 alongside the Centris 660AV, the "AV" after both model numbers signifying video input and output capabilities, as well as enhanced audio.".
- Macintosh_Quadra_840AV label "Macintosh Quadra 840AV".
- Macintosh_Quadra_840AV sameAs Quadra_840AV.
- Macintosh_Quadra_840AV sameAs Macintosh_Quadra_840AV.
- Macintosh_Quadra_840AV sameAs m.0cqc_l.
- Macintosh_Quadra_840AV sameAs Q3274652.
- Macintosh_Quadra_840AV sameAs Q3274652.
- Macintosh_Quadra_840AV wasDerivedFrom Macintosh_Quadra_840AV?oldid=655922556.
- Macintosh_Quadra_840AV depiction Macintosh_Quadra_840AV.jpg.
- Macintosh_Quadra_840AV isPrimaryTopicOf Macintosh_Quadra_840AV.