Power Macintosh
Apple Macintosh personal computers based on various models of PowerPC microprocessors. Apple Computer started producing Power Macs in 1994; earlier models were based on 68k-series processors. The ROM and Mac OS operating system released with the new machines included an emulator to enable programs written for the older machines to run without changes.
Within Apple's product line, the Power Macintosh models occupy the high end, targeted primarily at businesses and universities. They are usually equipped with Apple's newest technologies, and command the highest prices among Apple desktop models. Many models have dual processor configurations.
The earliest Power Macs were PowerPC 60x processor-based, followed by the G3, the G4 (and Cube), and recently the G5. Other PowerPC-based Macintosh lines include the iMac, iBook, and various PowerBook models since 1995.
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