DayStar’s PowerCache made a fast 1989 Mac even of

CPU upgrades for computers have been around for decades, and DayStar was a prolific maker of them for Macs. The company advertised that its PowerCache cards could make a Mac IIci from 1989 even faster than Apple’s high-performance were those claims actually true? Sources: PowerCache performance explanation: “PowerCache IIci Beats Mac IIfx, MacUser, February 1991. “PowerCache IIci,“ MacUser, December 1991. “The Accelerated Course,“ Macworld, July 1991. Macintosh IIfx photos (also a pretty cool site in general!): “Macintosh Quadras: Power but no pizzazz,“ Macworld, December 1991. “Dual Dynamos: The Macintosh Quadra 700 and 900,“ MacUser, December 1991. DayStar 68040 card photo: : ----------------------------------------­------------------------------------- Please consider supporting my work on Patreon: Follow me on Twitter and Instagram! @thisdoesnotcomp ----------------------------------------­------------------------------------- Music by Epidemic Sound (). Intro music by BoxCat Games ().