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- Macintosh_Processor_Upgrade_Card abstract "The generically named Macintosh Processor Upgrade Card was a central processing unit upgrade card sold by Apple Computer, designed for many Motorola 68040-powered LC and Performa model Macintoshes. The card contains a PowerPC 601 CPU and plugs into the 68040 CPU socket of the upgraded machine. The Processor upgrade card required the original CPU be plugged back into the card itself, and gave the machine the ability to run in its original 68040 configuration, or through the use of a software configuration utility allowed booting as a PowerPC 601 computer running at twice the original speed in MHz (50 MHz or 66 MHz) with 32 KB of L1 Cache, 256 KB of L2 Cache and a PowerPC Floating Point Unit available to software. The Macintosh Processor Upgrade requires and shipped with Macintosh System 7.5.Apple described the Macintosh Processor Upgrade Card as giving a performance increase of \"two to four times\" for general purposes, or \"up to 10 times\" for floating 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 upgrade, LC PDS cards could not be fitted while the card was installed. This limited the usefulness of the Processor Upgrade Card, as internal ethernet, Apple IIe compatibility, video cards and other LC PDS expansion options must be removed.DayStar Digital manufactured the Macintosh Processor Upgrade Card for Apple, sold the same card as their Daystar PowerCard 601-50/66 and also manufactured a Daystar PowerCard 601/100 which reached 100 MHz. After Daystar went out of business the 100 MHz model was manufactured and sold by Sonnet Technologies as their Sonnet Presto PPC 605.".
- Macintosh_Processor_Upgrade_Card wikiPageID "4283358".
- Macintosh_Processor_Upgrade_Card wikiPageLength "2753".
- Macintosh_Processor_Upgrade_Card wikiPageOutDegree "12".
- Macintosh_Processor_Upgrade_Card wikiPageRevisionID "530790061".
- Macintosh_Processor_Upgrade_Card wikiPageWikiLink Apple_Inc..
- Macintosh_Processor_Upgrade_Card wikiPageWikiLink Category:Macintosh_internals.
- Macintosh_Processor_Upgrade_Card wikiPageWikiLink Central_processing_unit.
- Macintosh_Processor_Upgrade_Card wikiPageWikiLink DayStar_Digital.
- Macintosh_Processor_Upgrade_Card wikiPageWikiLink Floating-point_unit.
- Macintosh_Processor_Upgrade_Card wikiPageWikiLink Mac_OS.
- Macintosh_Processor_Upgrade_Card wikiPageWikiLink Macintosh_LC.
- Macintosh_Processor_Upgrade_Card wikiPageWikiLink Macintosh_Performa.
- Macintosh_Processor_Upgrade_Card wikiPageWikiLink Motorola_68040.
- Macintosh_Processor_Upgrade_Card wikiPageWikiLink PowerPC_600.
- Macintosh_Processor_Upgrade_Card wikiPageWikiLink Processor_Direct_Slot.
- Macintosh_Processor_Upgrade_Card wikiPageWikiLink Sonnet_Technologies.
- Macintosh_Processor_Upgrade_Card wikiPageWikiLinkText "Macintosh Processor Upgrade Card".
- Macintosh_Processor_Upgrade_Card wikiPageWikiLinkText "Macintosh Processor Upgrade".
- Macintosh_Processor_Upgrade_Card wikiPageWikiLinkText "PowerPC Macintosh Processor Upgrade Card".
- Macintosh_Processor_Upgrade_Card wikiPageUsesTemplate Template:Reflist.
- Macintosh_Processor_Upgrade_Card subject Category:Macintosh_internals.
- Macintosh_Processor_Upgrade_Card hypernym Card.
- Macintosh_Processor_Upgrade_Card type Company.
- Macintosh_Processor_Upgrade_Card comment "The generically named Macintosh Processor Upgrade Card was a central processing unit upgrade card sold by Apple Computer, designed for many Motorola 68040-powered LC and Performa model Macintoshes. The card contains a PowerPC 601 CPU and plugs into the 68040 CPU socket of the upgraded machine.".
- Macintosh_Processor_Upgrade_Card label "Macintosh Processor Upgrade Card".
- Macintosh_Processor_Upgrade_Card sameAs Q17042512.
- Macintosh_Processor_Upgrade_Card sameAs m.0bv0nj.
- Macintosh_Processor_Upgrade_Card sameAs Q17042512.
- Macintosh_Processor_Upgrade_Card wasDerivedFrom Macintosh_Processor_Upgrade_Card?oldid=530790061.
- Macintosh_Processor_Upgrade_Card isPrimaryTopicOf Macintosh_Processor_Upgrade_Card.