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Encyclopedia > Macintosh Quadra
Macintosh Quadra 800
Macintosh Quadra 800

The Macintosh Quadra series was Apple Computer's product family of professional high-end Apple Macintosh personal computers built using the Motorola 68040 CPU from 1991 until the Power Mac was introduced in 1994. The product manager for the Quadra family was Frank Casanova who was also the Product Manager for the Macintosh IIfx. The first models were the Quadra 700 and Quadra 900, both introduced in 1991. Download high resolution version (800x857, 126 KB) Wikipedia does not have an article with this exact name. ... Download high resolution version (800x857, 126 KB) Wikipedia does not have an article with this exact name. ... Apple Inc. ... The first Macintosh computer, introduced in 1984, upgraded to a 512K Fat Mac. The Macintosh or Mac, is a line of personal computers designed, developed, manufactured, and marketed by Apple Computer. ... The Motorola 68040 is a microprocessor from Motorola. ... Die of an Intel 80486DX2 microprocessor (actual size: 12×6. ... Power Macintosh, or Power Mac, is the name of a line of Apple Macintosh personal computers based on various models of PowerPC microprocessors. ... The Macintosh IIfx was a model of Apple Macintosh computer, introduced in 1990 as the fastest Mac, and discontinued in 1992. ... The Macintosh Quadra 700 was introduced (along with the Quadra 900) in October 1991, as Apples first computers to use the Motorola 68040 processor, as well as the first to feature built-in Ethernet networking. ... The Macintosh Quadra 900 is a high-end personal computer introduced with the Quadra 700 in October 1991 as Apple Computers first computers in the Quadra series using the Motorola 68040 processor. ...

Contents

Models

Macintosh Quadra 605, the low end Quadra. looks like a pizza box, eh?
Macintosh Quadra 605, the low end Quadra. looks like a pizza box, eh?

The first computers to be part of the Macintosh Quadra series were the Quadra 700 and Quadra 900, both introduced in 1991 with a Central processing unit (CPU) speed of 25 MHz. The 700 was a compact model using the same case as the Macintosh IIci, with a Processor Direct Slot (PDS) expansion slot, while the latter was a newly designed tower case with five NuBus expansion slots and one PDS slot. The 900 was replaced in 1992 with the Quadra 950, with a CPU speed of 33 MHz. The line was joined by a number of "800-series" machines in a new mid-sized case, starting with the Quadra 800, and the "600-series" pizza-box desktop cases with the Quadra 610. Image File history File links Download high-resolution version (1280x756, 63 KB) Summary A more subtly-lit Quadra 605. ... Image File history File links Download high-resolution version (1280x756, 63 KB) Summary A more subtly-lit Quadra 605. ... Ports at the rear of a Quadra 605, including RJ45 Ethernet expansion. ... The Macintosh Quadra 700 was introduced (along with the Quadra 900) in October 1991, as Apples first computers to use the Motorola 68040 processor, as well as the first to feature built-in Ethernet networking. ... The Macintosh Quadra 900 is a high-end personal computer introduced with the Quadra 700 in October 1991 as Apple Computers first computers in the Quadra series using the Motorola 68040 processor. ... Year 1991 (MCMXCI) was a common year starting on Tuesday (link will display the 1991 Gregorian calendar). ... Die of an Intel 80486DX2 microprocessor (actual size: 12×6. ... MegaHertz (MHz) is the name given to one million (106) Hertz, a measure of frequency. ... The Apple Macintosh IIci was an improvement on the Macintosh IIcx. ... LC PDS Ethernet card. ... NuBus is a 32-bit parallel computer bus, originally developed at MIT as a part of the NuMachine workstation project, and eventually used by Apple Computer and NeXT Computer. ... Year 1992 (MCMXCII) was a leap year starting on Wednesday (link will display full 1992 Gregorian calendar). ... Macintosh Quadra 950 The Macintosh Quadra 950 was the third Quadra computer that Apple made. ... The Macintosh Quadra 800 (Codenames: Fridge, Wombat 33, also sold with bundled server software as the Apple Workgroup Server 80) is a personal computer that is a part of Apple Computers Quadra series of Macintosh computers. ... The Macintosh Quadra 610 and the Macintosh Centris 610 (also sold with bundled server software as the Apple Workgroup Server 60) are two closely-related personal computers that are a part of Apple Computers Quadra and Centris series of Macintosh computers, respectively. ...


In 1993 the Quadra AV series was released, consisting of the 800-series Quadra 840AV and the 600-series Quadra 660AV, at 40 MHz and 25 MHz respectively. Both included an AT&T Digital signal processor and S-Video and composite video input and output ports for video, as well as CD-quality microphone and audio output ports. The AV models also introduced PlainTalk, consisting of the text-to-speech software MacinTalk Pro and speech control (although not dictation). However all of these features were poorly supported in software, and DSP was not installed in later AV Macs. Year 1993 (MCMXCIII) was a common year starting on Friday (link will display full 1993 Gregorian calendar). ... The Macintosh Quadra 840AV (Codenames: Quadra 1000, Cyclone) is a personal computer that is a part of Apple Computers Quadra series of Macintosh computers. ... The Macintosh Quadra 660AV (Codename: Tempest) is a personal computer that is a part of Apple Computers Quadra series of Macintosh computers. ... AT&T Inc. ... A digital signal processor (DSP) is a specialized microprocessor designed specifically for digital signal processing, generally in real-time. ... S-Video (also known as Y/C) is a baseband analog video format offering a higher quality signal than composite video, but a lower quality than RGB and component video. ... Composite video is the format of an analog television (picture only) signal before it is combined with a sound signal and modulated onto an RF carrier. ... A Compact Disc or CD is an optical disc used to store digital data, originally developed for storing digital audio. ... A microphone, sometimes referred to as a mike or mic (both IPA pronunciation: ), is an acoustic to electric transducer or sensor that converts sound into an electrical signal. ... PlainTalk is the collective name for several speech synthesis (MacInTalk) and speech recognition technologies, developed by Apple Computer. ... PlainTalk is the collective name for several speech synthesis (MacInTalk) and speech recognition technologies, developed by Apple Computer. ...


Branding

The Quadra name was also used for the successors to the Centris models that briefly existed during 1993: The 610, the 650 and the 660AV. Centris was a "mid-range" series of systems between the Quadra on the high end and the LC on the low end, but it was later decided that there were too many product lines and the name was dropped. Some machines of this era including the Quadra 605 were also sold as Performas, further adding to the confusion. The Macintosh Centris 660AV, the last computer to use the Centris name Macintosh Centris was a set of three 1993 Macintosh models that were built around the Motorola 68LC040 and 68040 CPUs. ... The Macintosh Quadra 610 and the Macintosh Centris 610 (also sold with bundled server software as the Apple Workgroup Server 60) are two closely-related personal computers that are a part of Apple Computers Quadra and Centris series of Macintosh computers, respectively. ... The Macintosh Quadra 650 and the Macintosh Centris 650 are two closely-related personal computers that are a part of Apple Computers Quadra and Centris series of Macintosh computers, respectively. ... The Macintosh Quadra 660AV (Codename: Tempest) is a personal computer that is a part of Apple Computers Quadra series of Macintosh computers. ... Macintosh LC sans display, keyboard or mouse The Macintosh LC (meaning low-cost color) was Apple Computers product family of low-end consumer Macintosh personal computers in the early 1990s. ... Ports at the rear of a Quadra 605, including RJ45 Ethernet expansion. ... A Macintosh Performa 5200, an all-in-one desktop similar to the iMac. ...


The last use of the name was for the Quadra 630, which was a variation of the LC 630 using a "full" Motorola 68040 instead of the LC's 68LC040, and introduced together with it in 1994. The 630 was the first Mac to use an IDE based drive bus for the internal hard disk drive, whereas all earlier machines had used SCSI. The Macintosh Quadra 630 (Codenames: Crusader, Show Biz, Show & Tell; also sold with minor variations as the Macintosh LC 630 in the educational market and as the Macintosh Performa 630 in the consumer market) is a personal computer that is a part of Apple Computers Quadra series of Macintosh... The Motorola 68040 is a microprocessor from Motorola. ... The 68LC040 is a low cost version of the Motorola 68040 microprocessor with no FPU. This makes it less expensive and draw less power. ... Year 1994 (MCMXCIV) was a common year starting on Saturday (link will display full 1994 Gregorian calendar). ... ATA cables: 40 wire ribbon cable top, 80 wire ribbon cable bottom Advanced Technology Attachment (ATA) is a standard interface for connecting storage devices such as hard disks and CD-ROM drives inside personal computers. ... Typical hard drives of the mid-1990s. ... This article or section does not cite any references or sources. ...


The first three Apple Workgroup Server models, the WGS 60, the WGS 80 and the WGS 95 (mostly called "AWS 95" for "Apple Workgroup Server") were based on the Centris 610, the Quadra 800 and the Quadra 950, respectively. Apple Workgroup Server (AWS or sometimes WGS) and, later, Macintosh Server, were the names given to selected models of Macintosh computers which were sold by Apple Computer with additional server software and sometimes bigger hard drives . ...


Timeline of Macintosh Quadra and Centris models

See also: Timeline of Apple Macintosh models

This timeline of Macintosh models lists all major types of Macintosh computers produced by Apple Computer in order of introduction date. ...


Processor

Inside a Quadra 605.

The transition to the Motorola 68040 was not as smooth as the previous transitions to the Motorola 68020 or Motorola 68030. Due to the Motorola 68040's split instruction and data caches, the Quadra had compatibility problems with self-modifying code (including relocating code, which was common under the Macintosh memory model). Apple partially fixed this by having the basic Mac OS memory copy call flush the caches. This solved the vast majority of stability problems, but negated much of the Motorola 68040's performance improvements. Apple also introduced a variant of the memory copy call that did not flush the cache.[1] The new trap was defined in such a way that calling it on an older version of Mac OS would simply call the previous memory copy routine. The net effect of this was that many complex applications were initially slow or prone to crashing on the 68040, although developers quickly adapted to the new architecture by relying on Apple's memory copy routines rather than their own (or flushing the cache), and using the memory copy that did not flush the cache when appropriate (most of the time). Image File history File links Size of this preview: 696 × 600 pixelsFull resolution (817 × 704 pixel, file size: 158 KB, MIME type: image/jpeg) Inside a Macintosh Quadra 605. ... Image File history File links Size of this preview: 696 × 600 pixelsFull resolution (817 × 704 pixel, file size: 158 KB, MIME type: image/jpeg) Inside a Macintosh Quadra 605. ... Motorola 68020 The Motorola 68020 is a microprocessor from Motorola. ... Motorola 68030 Processor from a Macintosh IIsi The Motorola 68030 is a 32-bit microprocessor in Motorolas 68000 family. ... In computer science, self-modifying code is code that alters its own instructions, whether or not it is on purpose, while it is executing. ... About This Computer Mac OS 9. ...


See also

Wikimedia Commons has media related to:
Macintosh Quadra

Image File history File links Commons-logo. ... The Wikimedia Commons (also called Wikicommons) is a repository of free content images, sound and other multimedia files. ... Apple Macintosh models grouped by CPU type. ... The following is a list of Apple Computer software and hardware products which have been superseded by improved versions, or discontinued, and are no longer manufactured. ...

Footnotes

  1. ^ Apple Developer Connection - BlockMove 11

External links

  • EveryMac.com - Macintosh Quadra series
  • Lowendmac.com - Centris/Quadra Index
  • Mac Guides - Quadra
  • Jag's House - Macintosh Quadra 950
  • Macintosh Quadra History

  Results from FactBites:
 
Quadra 700 & 900 On-Board Video Capabilities (2265 words)
This first article discusses a number of general Quadra video topics, the second details how to wire the video connector sense pins to access all the Quadra's supported video modes, and the third describes the memory configurations necessary to support each of the video modes at specific pixel depths.
By grounding pin 4 and pin 7 to pin 11, the Macintosh Quadras are told that an NTSC monitor is attached.
However, note that 512K of VRAM is the minimum configuration for the Quadra 700 whereas it is 1MB of VRAM for the Quadra 900 (this is the amount of VRAM soldered on the motherboard).
Quadra/Performa/LC 630 Series (1203 words)
Although some versions were labeled LC, the 630 was designed to replace the Quadra 610.
The 630 was the first Macintosh to use an IDE hard drive, a type of drive common in the IBM compatible market.
Quadra 630 RAM Expansion, how to add a second RAM socket to single socket models.
  More results at FactBites »


 

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