> On Aug 27, 2010, at 3:01 PM, Matt Rhinesmith wrote: > >> This DOES work, and it proves that this is so in one simple way. If reset >> the PRAM, it still says 533 MHz. If you try that with the speed-changing >> commands, it resets itself on every PRAM wipe. > > Nope, you're wrong. This is written to NVRAM, not PRAM. Resetting the PRAM > doesn't reset the NVRAM. I'll PROVE you wrong. Boot to Open Firmware using > Cmd-Opt-O-F. > > At the Open Firmware prompt, type: > > set-defaults<Return> > reset-all<Return> > > where <Return> means hit the Return key. The replies should be "OK" to the > first command, and a restart to the second command. > > NOW you'll see that your "About this Mac" and "System Profiler" are back to > their normal settings, and are showing you the REAL speed of you Mac, which > HASN'T CHANGED. > > What you were doing was simply changing the value stored in the NVRAM that > tells the About this Mac & System Profiler what the speed is. If you change > the speed of a Mac FOR REAL by moving the required jumpers (or soldered on > resistor jumpers) AND the new speed ISN'T one of the speeds available in the > look-up table in the firmware, THEN the About this Mac & System Profiler will > say "0 MHz" or default to a lowest possible MHz, both of which will be WRONG, > the HARDWARE jumpers set the ACTUAL speed, and the # shown in About this Mac > and System Profiler ISN'T from an actual test, it simply comes off a value > stored in a look-up table in the firmware which is copied over to NVRAM. What > you've done is copied a FAKE number into NVRAM and now it shows your FAKE > speed. If you want, I can supply you with a list of more FAKE speeds, and you > can play around and make your clamshell iBook say that it's 1.67 GHz if you > want, but that won't make it 1.67 GHz. You'll be lucky to overclock 15-20%, > and 10% would likely be best. Anything greater and you'll likely overheat > your CPU and burn up your Mac without some significant cooling modifications.
Sorry everyone, he's right. I ran Geekbench on it, intending to prove you wrong, and it came up with a score of 170. I looked on the result browser, and that was the same score as the 366. There were also some listings on there for a 467 MHz overclock, and they were in the 200s. Sorry to give you false info, and this pretty much confirms that Mark Sokolovsky is a lying #?€£¥$&@. -- You received this message because you are a member of G-Books, a group for those using G3 iBooks and PowerBooks (we run a separate list for G4 'Books). The list FAQ is at http://lowendmac.com/lists/g-books.html and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] To leave this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/g-books Support for older Macs: http://lowendmac.com/services/
