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G4 Sawtooth 400mhz Question
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Fresh-Faced Recruit
Join Date: Jul 2006
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Could I possibly upgrade to a 733 G4 processor that I got from another G4(Quicksilver) or is it not possible?
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Mac Elite
Join Date: Jun 2000
Location: If I tellz ya, then I gotsta killz ya !
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IF it did fit, which is questionable, it would only run at 700/750/800 mhz, since the Sawtooths have a 100mhz bus speed.
But OTHO, I put a DP450 card from a Gigabit G4 into what used to be a 400 SP Sawtooth nottaproblemo 
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Signatures are ugly. Bitchy women are ugly......YOU do the math :)
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Administrator  Join Date: May 2000
Location: California
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This sounds like an OEM processor card from a 133 MHz system. The socket will fit, the card and heat sink probably won't. Unless you do some solder work on the bus multiplier jumpers, it will run at 550 MHz in your Sawtooth, which has a 100 MHz bus.
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Fresh-Faced Recruit
Join Date: Jul 2006
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I tried it but theres just no way it could fit in the socket, the board for the processor is jsut way too lagre and goes over the IDE cable slot and if you were to get it screwed down it probably wouldn't be seated in the socket correctly.
Now say there were some sort of Riser the could give about an extra 1 or 1/2 inch and give you a flush mount with the sockt it may work, but not sure if the board would support the full 733(but it would give you some gain.)
Just my observation in case anyone wanted to try it.
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Baninated
Join Date: May 2005
Location: England
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isnt the firmware on the processor board? wouldnt that just cock up?
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Moderator  Join Date: Sep 2001
Location: Arizona
Status:
Online
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The processor will work fine, but it'll run at a lower clock speed because of the multiplier.
5.5 x 133 = 733~
5.5 x 100 = 550
In order for the processor to physically fit, you'll need to cut the plastic from the IDE connector.
All in all though, it'd be a worthless upgrade. A 7450 G4 with no L3 cache running at 550MHz would perform at nearly identically to a 400MHz 7410.
Originally Posted by kick52
isnt the firmware on the processor board? wouldnt that just cock up?
The firmware is stored on the logicboard, not the CPU card.
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Baninated
Join Date: May 2005
Location: England
Status:
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oh ok then.
i saw a 700mhz card like the one you were talking about at forevermac.com i think for £50 and a double processor 500mhz for £25. go check it out.
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Fresh-Faced Recruit
Join Date: Jul 2006
Status:
Offline
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I found the Giga Designs Upgrade online earlier and plan on possibly getting the Single 1.6 or the Dual 1.7 or 1.8 in the next week. So so far total costs of this project:
$80 G4 Sawtooth with 512 RAM(purchased from school with crap CD drive)
$250-500 Upgrade
Not too bad for the prices.
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