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Easily change your Mac's CPU type System
It's time to put an end to those "OS X running on normal X86 machine" videos and pictures ... with a bit of work, you can upgrade your CPU, as seen in the About this Mac box, to whatever you want:


Start TextEdit and open /System -> Library -> CoreServices -> loginwindow.app -> Contents -> Resources -> English.lproj -> AboutThisMac.strings. Navigate to the bottom of the document; for single CPU machines, find this string:
"ABOUT_BOX_SINGLE_PROCESSOR_FIELD_FORMAT" = "%@";
For multiple CPU machines, find this:
"ABOUT_BOX_MULTIPLE_PROCESSORS_FIELD_FORMAT" = "%@";
Change the %@ to whatever you want your new CPU to be, like, say "Pentium 133mhz w/ MathBug Technology." You can also patch up the About window to look more like the real OSx86 version, by opening the AboutThisMac.nib in the same folder (Developer Tools required). This was tested in Panther and Tiger, and works in both. Also good to appear cool with your "overclocked" 3.5GHz G5!

[robg adds: Yea, this is a completely whimsical hint of no practical value ... but that doesn't mean it's not fun and worth sharing. To edit the above-referenced file, you'll need root privileges (changes take effect immediately on save, which is nice). I found it easiest to just use the Terminal and sudo vi. There's a character limit, too -- I originally tried "Quad 4 GHz PowerPC Dual Core G5," but the "G5" bit got cut off. As always, make a backup first (or just remember the %@ bit you took out) in case you want to go back to the default setting. Maybe it's just me, but my PowerBook certainly feels faster now that it's got those four 4GHz dual-core G5s in it! :)]
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Easily change your Mac's CPU type | 11 comments | Create New Account
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Yeah, but...
Authored by: bonkydooky on Aug 16, '05 10:24:38AM

Can you make it run Windows?
*ducks*



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This isn't Longhorn?
Authored by: lullabud on Aug 16, '05 01:00:46PM

From my understanding, we're already running a future version of MS Windows... I mean, according to those big signs that were hanging at Macworld. >:)



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Easily change your Mac's CPU type
Authored by: aaronrp on Aug 16, '05 12:11:54PM

"1 Mhz Zilog Z80" might be good, in the other direction...



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Easily change your Mac's CPU type
Authored by: Chas on Aug 16, '05 12:25:18PM

You have committed an unpardonable slur against the venerable Z80. Its lowest speed was 2.5Mhz.



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Easily change your Mac's CPU type
Authored by: adrianm on Aug 16, '05 04:12:16PM

But how much ferrite core memory does your mac have?



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Easily change your Mac's CPU type
Authored by: _merlin on Aug 16, '05 09:10:37PM

But since then, ZiLOG have released low-power versions for embedded applications that run at lower clock frequencies.

The Z80 was an elegant architecture. You can really tell that the 8086 was the first chip Intel designed after their start chip architect quit. It sucks hard!



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Quantum!
Authored by: igraham09 on Aug 16, '05 07:38:09PM

haha thnx for the awesome hint!

i now have a - 2.3 THz Quantum Intel GX processor
running - Mac OSX 10.5.3
with - 32 GB PC-3200 DDR400 SDRAM
(i basically did the same thing except with the memory string!)



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Easily change your Mac's CPU type
Authored by: pakkman781 on Aug 16, '05 07:58:13PM

I now have a:
Processor: 8 Mhz Motorola 68000
Memory: 128k
OS: 1.0

Makes me want to open vMac :)

---
(insert sig here)



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I finally have my Serial Number back
Authored by: staggie on Aug 17, '05 01:37:45AM

For me the best thing about this tip was that I could use the same method to put my serial number back into the About this Mac window. I lost it when my midplane was replaced last winter and this is th first time I've come accross a way to force it back.



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I finally have my Serial Number back
Authored by: ruaric on Aug 17, '05 05:56:33AM

exact same thing happened to me. time to put mine back in. Cool, good tip!



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Easily change your Mac's CPU type
Authored by: borjadecuba on Feb 01, '06 09:51:18AM

For some odd reason this hint won't work with me.. the .String file wont save in the folder. What am I doing wrong ?



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