[G4] [Help] PowerMac G4 Quicksilver 800MHz on PowerMac G4 AGP Graphics, it works?

[John Niven]

Francisco,

I don't think anybody has addressed your question.

I doubt you can use a QS dual processor in your AGP.

The first question is can you run a dual processor
with your motherboard. You have to check the revision
using this app: 

http://www.macbidouille.com/downloads/UniNorthASICChecker.sit

It will let you know if your motherboard supports dual
processors.

The second factor is physical. The motherboard cpu
connector is the same, but the daughterboard is a
different shape. You would have to be able to solder
and hack the heatsink.

I have an older AGP that wouldn't take a dual up-grade
so I fitted a 733MHz single from a QS. I just removed
the ata dvd interface and used the main one instead. I
use SCSI drives anyway. I then resoldered the speed
configuration resistors so that the cpu ran at 800MHz
with the slower 100MHz bus. I hacked some of the fins
off the heatsink so the case closes.

It works. Runs Tiger. I use it at work. But I wouldn't
recommend it. Faster Macs are to be had for not much
money, and no effort/risk.

If you CAN run a dual cpu then look for an original
Apple dual 450 or 500. That's an easy, cheap, plug and
play upgrade.

To make your mac run faster:
1) get at least 1Gb of ram
2) fit a modern ATA harddrive with a big cache and
7200rpm.
3) get a modest video card upgrade, that will run
quartz extreme. Flashed PC version on ebay work.
4) Relax. What do you expect from a 7 year old machine
:-)

John

 


--- Francisco <franciscoeugeniomalheiros at yahoo.se>
wrote:

> Thanks by your help!
> It means that this processor works on PM G4 Agp
> Graphics, right?
> 
> 
> 
> --- Till Wimmer <g4-lisz at tonarchiv.ch> escreveu:
> 
> > Hi Francisco,
> > 
> > your 800MHz dual processor has a L3 cache on board
> > which is not enabled 
> > by default in older G4 machines. You may try my
> > extension here: 
> > http://www.substring.ch/index.php/content/c57/
> > 
> > Good luck,
> > Till
> > Francisco wrote:
> > > Hi there!
> > > I'm new on this world of macintosh, i bought a
> > PowerMac G4 500MHz AGP 
> > > Graphics recently, but i'm not having a good
> > performance, so a friend 
> > > offers to me a 800MHz (dual, i think) processor
> > from a PowerMac G4 
> > > QuickSilver, someone knows if this processor
> runs
> > at my PowerMac G4 
> > > without problems or crashes or special
> adaptations
> > on motherboard?
> > >
> > > Thanks,
> > >
> > > Francisco
> > >
> > >
> >
>
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