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Why not just buy a new processor?
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Registered User
Join Date: Jan 2001
Location: Goddard, Kansas, USA
Status:
Offline
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I have a Rev A Gossamer (266) and was wondering why I can't just buy one of the faster processors that ran on similar configurations (333Mhz?). Couldn't I just get 333 G3 ZIF and pop it in then adjust the bus speed accordingly?
I've never done anything like this so I am just trying to learn (and speed up X).
Thanks in advance.
Chris Shuman
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Mac Elite
Join Date: Jun 2000
Location: Pasadena
Status:
Offline
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I'm thinking its a firmware issue...if you can tweak it yourself, (like that Japanese guy who OC'd his original G4/AGP to 133 system bus with Firmware tweak) then you should be fine. Oh, and don't forget to find where the multiplier on your mobo is, find out how to change it, and solder on/off some surface mount capacitors, which is also delicate work. In other words, unless you are a huge mac-geek, an OC freak, or got way too much time on your hands, its probably not the best idea...why else would companies exist selling upgrade cards?
One of these days, I'll use a Rev B iMac for this kind of experiement to see how good of an EE I really am 
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G4/450, T-bird 1.05GHz, iBook 500, iBook 233...4 different machines, 4 different OSes...(9, 2k, X.1, YDL2.2 respectively) PiA to maintain...
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Mac Enthusiast
Join Date: Sep 2000
Location: sLurrey
Status:
Offline
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you dont need to play with firmware
you could just over clock it with the jumper settings
my friend did that with his 300-366 no problem
so with a faster processor im sure you could go higher
i forget where the link is for the jumper settings
ill look for it
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w3rd..
surrey represent
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Mac Elite
Join Date: Jun 2000
Location: Pasadena
Status:
Offline
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okie, sounds easy enough  so which revs of the iMac still used the jumper configuration? I doubt the current ones do...so maybe 'til they switched to 100Mhz bus?
My question is, where can I trade my rev 2.6 G4 for a newer rev for relatively cheap (any maybe slightly faster clock rating, I can change the hardware configuration easily enough)? I heard a lot of people got "deals" for it, I have no idea where 
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G4/450, T-bird 1.05GHz, iBook 500, iBook 233...4 different machines, 4 different OSes...(9, 2k, X.1, YDL2.2 respectively) PiA to maintain...
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Registered User
Join Date: Jan 2001
Location: Goddard, Kansas, USA
Status:
Offline
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Didn't Beige G3's come with a 333Mhz toward the end of their life. I was really hoping to get an actual 333 and overclock it. Maybe replace my speaker with a fan.
Does anyone know anyone who is really into this sort of thing. I would really like to get in contact with them.
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Mac Elite
Join Date: Oct 1999
Location: near Boulder, Colorado
Status:
Offline
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Go to Mike Breeden's site.
www.xlr8yourmac.com
Lots of hot-rodding tips, ideas and reports.
I have an old 8500 with a G3-400 running at 454MHz on a 56.8 MHz bus that I took to work.
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