Re: Will a QS2002 Dual-1GHz CPU work in a QS?

2011-04-06 Thread Mac User #330250
--  Original message  --
Subject: Re: Will a QS2002 Dual-1GHz CPU work in a QS?
Date:Wednesday, 06. April 2011
From:peterh...@cruzio.com
To:  g3-5-list@googlegroups.com

 Any QS 2001 proc will work in a QS 2002.
 
 Any QS 2002 proc will work in a QS 2001.
 
…
 
 I have several QS 2001 Macs which have had dual 1.0 GHz QS 2002 procs
 installed. But not the other way.

Thanks! That's the answer I was hoping for!

Cheers,
Andreas  aka  Mac User #330250

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Will a QS2002 Dual-1GHz CPU work in a QS?

2011-04-05 Thread Mac User #330250
Hi!

Merely out of confusion:

Will a Dual-1GHz G4 processor card, which obviously comes from a QS2002, work 
in an original QS from 2001?

I ask because I've read an item description on eBay once stating that the 
Dual-800 is the highest usable stock processor for the original QS. The seller 
specifically discouraged buying the Dual-1 GHz processor card due to 
incompatibility.
True? Or just a marketing strategy that worked?

I have such Dual-800 MHz processor right now, but I'm thinking about giving it 
this other 2×200 MHz boost… That is, if I can sell the Dual-800 for a 
reasonable price.

BUT… before I can do that, I need to know for sure if the Dual-1 GHz QS2002 
has any issues in a QS2001.

Because otherwise (both cases) I'll have to wipe the dream of 2×1 GHz out of 
my mind…

Anyone ever done such an /upgrade?/

Thanks,
Andreas  aka  Mac User #330250

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Re: Will a QS2002 Dual-1GHz CPU work in a QS?

2011-04-05 Thread peterhaas

 BUT… before I can do that, I need to know for sure if the Dual-1 GHz
 QS2002
 has any issues in a QS2001.

 Because otherwise (both cases) I'll have to wipe the dream of 2×1 GHz out
 of
 my mind…

Any QS 2001 proc will work in a QS 2002.

Any QS 2002 proc will work in a QS 2001.

Actually, the only significant difference is the ROM on the mobo, and it
DOES NOT support LBA48 in the QS 2001, whereas it DOES support LBA48 in
the QS 2002.

I have several QS 2001 Macs which have had dual 1.0 GHz QS 2002 procs
installed. But not the other way.



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Re: Will a QS2002 Dual-1GHz CPU work in a QS?

2011-04-05 Thread Alex Barnes
Speaking of LBA48... Yellow Dog Linux and Debian Linux both report and use the 
full 250 GB (because that is the size of my HD) in my QS 2001. But Mac OS 10.5 
sees it as a 128 GB drive. I know this has nothing to do with the thread. But 
good info none the less.

 Actually, the only significant difference is the ROM on the mobo, and it
 DOES NOT support LBA48 in the QS 2001, whereas it DOES support LBA48 in
 the QS 2002.

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Re: Will a QS2002 Dual-1GHz CPU work in a QS?

2011-04-05 Thread peterhaas

 Speaking of LBA48... Yellow Dog Linux and Debian Linux both report and use
 the full 250 GB (because that is the size of my HD) in my QS 2001. But Mac
 OS 10.5 sees it as a 128 GB drive. I know this has nothing to do with the
 thread. But good info none the less.

MacOS X is pretty blind. It is depending upon the Open Firmware definition
of the two ATA channels.

On any Macs which have a Key Largo ATA chip, you may override the O.F.
definition with a patch. Either one or both channels.

As the patch is persistent in the read-only storage, it is good until the
PRAM is reset.

Unlike the High Cap kext, the O.F. patch is good at all times.



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