Macintosh Centris

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The Macintosh Centris 660AV, the last computer to use the Centris name Macintosh Centris 660AV.jpg
The Macintosh Centris 660AV, the last computer to use the Centris name

Macintosh Centris is a family of personal computers designed, manufactured and sold by Apple Computer, Inc. in 1992 and 1993. They were introduced as a replacement for the six-year-old Macintosh II family of computers; the name was chosen to indicate that the consumer was selecting a Macintosh in the center of Apple's product line. Centris machines were the first to offer Motorola 68040 CPUs at a price point around US$2,500, making them significantly less expensive (albeit slower) than Quadra computers, but also offering higher performance than the Macintosh LC computers of the time.

Contents

Apple released three computers bearing the Centris name: the Centris 610 (replacing the Macintosh IIsi) and Centris 650 (replacing the Macintosh IIci in form and the Quadra 700 in function), both of which were introduced in March 1993, [1] and the Centris 660AV which followed in July. Apple also considered the Macintosh IIvx to be part of the Centris line. The IIvx was released in October of the previous year but, according to Apple, their lawyers were unable to complete the trademark check on the "Centris" name in time for the IIvx's release. [1]

The retirement of the Centris name was announced in September 1993, [2] with the 610, 650 and 660AV all being rebranded the following month as Macintosh Quadra machines as part of Apple's effort to reposition their product families to correlate with customer markets instead of price ranges and features. The IIvx was also discontinued in favor of the newly announced Quadra 605.

Overview

The Centris 610 uses a 20 MHz 68LC040 CPU, which has no math coprocessor functions. It used a new "pizza box" case that was intended to be placed under the user's computer monitor. The Centris 610 also provided the basis for the Workgroup Server 60. This case was also used for the Power Macintosh 6100 lines of computers and, when these later computers were introduced, Apple offered consumers a product upgrade path by letting them buy a new motherboard. Apple's motherboard upgrades of this type were considered expensive, however, and were not a popular option.

The base-configuration Centris 650 uses a 25 MHz 68LC040 CPU; while more expensive configurations with built-in Ethernet use the 25 MHz 68040 allowing it to succeed the Quadra 700. It uses the Macintosh IIvx-style desktop case. [3]

The Centris 660AV uses a 25 MHz 68040 and also includes an AT&T 3210 digital signal processor. Like other "AV" computers from Apple, it supports both video input and output. It uses the "pizza box" case which debuted earlier in the Centris 610. [4]

The Centris 610 and 650 were replaced about six months after their introduction by the Quadra 610 and 650 models, which kept the same case and designs but raised the CPU speeds from 20 MHz and 25 MHz to 25 MHz and 33 MHz, respectively – while the Centris 660AV was renamed as the Quadra 660AV without any actual design change. These Macs also existed during Apple's transition from auto-inject floppy drives to manual-inject drives. [5] This is why there are two different styles of floppy drive bezel (faceplate) on these models. Some later Centris 660AV Macs have manual-inject floppy drives, so this change was not entirely concurrent with the name change.

Timeline

Timeline of Macintosh Centris, LC, Performa, and Quadra models, colored by CPU type
Macintosh Performa 6214Macintosh Performa 6210Macintosh Performa 6205Macintosh Performa 6230Macintosh Performa 6220Macintosh Quadra 840AVMacintosh Quadra 650Macintosh Quadra 610Macintosh Quadra 605Macintosh Quadra 660AVMacintosh Quadra 800Macintosh Centris 650Macintosh Centris 610Macintosh Quadra 950Macintosh Quadra 630Macintosh Quadra 900Macintosh Quadra 700Macintosh Performa 6420Macintosh Performa 6410Macintosh Performa 5440Macintosh Performa 5430Macintosh Performa 5280Macintosh Performa 6360Macintosh Performa 5260Macintosh Performa 6400Macintosh Performa 6400Macintosh Performa 5400Macintosh Performa 5400Macintosh Performa 6260Macintosh Performa 5400Macintosh Performa 5420Macintosh Performa 5410Macintosh Performa 5270Macintosh Performa 5260Macintosh Performa 6320Macintosh Performa 6310Macintosh Performa 6300Macintosh Performa 6290Macintosh Performa 5320Macintosh Performa 5300Macintosh Performa 6218Macintosh Performa 6216Macintosh Performa 6200Macintosh Performa 6116Macintosh Performa 5220Macintosh Performa 5215Macintosh Performa 5210Macintosh Performa 5200Macintosh Performa 640CDMacintosh Performa 580CDMacintosh Performa 588CDMacintosh Performa 638Macintosh Performa 637Macintosh Performa 636Macintosh Performa 635Macintosh Performa 631Macintosh Performa 630Macintosh Performa 578Macintosh Performa 577Macintosh Performa 575Macintosh Performa 476Macintosh Performa 475Macintosh Performa 560Macintosh Performa 550Macintosh Performa 275Macintosh Performa 6118Macintosh Performa 6117Macintosh Performa 6115Macintosh Performa 6112Macintosh Performa 6110Macintosh Performa 467Macintosh Performa 466Macintosh Performa 460Macintosh Performa 410Macintosh Performa 520Macintosh Performa 450Macintosh Performa 430Macintosh Performa 405Macintosh Performa 250Macintosh Performa 600Macintosh Performa 400Macintosh Performa 200Power Macintosh 5300 LCMacintosh LC 575Macintosh TVMacintosh LC IIIMacintosh LC 550Macintosh LC 580Macintosh LC 520Macintosh LC 630Macintosh LC 475Power Macintosh 5200 LCMacintosh LC IIIMacintosh LC IIMacintosh LCMacintosh Centris

See also: List of Mac models

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References

  1. 1 2 Gruman, Galen (April 1993). "Centris 610 & 650 – Two new midrange performers replace the venerable Mac II line". MacWorld. pp. 106–113.{{cite magazine}}: Cite magazine requires |magazine= (help)
  2. ↑ Quinlan, Tom (September 27, 1993). "Centris folded into Quadra line". InfoWorld. p. 12.
  3. ↑ "The Sad Story of the Centris". March 6, 2021.
  4. ↑ Apple's New 'AV' Macs Tune In, Speak Out. Popular Science. October 1993. p. 58. Retrieved May 3, 2017.
  5. ↑ "Apple Service Source – Centris 650 / Quadra 650" (PDF). tim.id.au. p. 14. Retrieved May 3, 2017. Replacement Note: You may encounter either an auto-inject or manual-inject 1.4 MB floppy drive. Replace floppy drives like for like.
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