[X4U] Older G4 desktop - and large format drives

Michael Winter winter at mac.com
Tue Nov 14 10:04:15 PST 2006


On Nov 14, 2006, at 11:52 AM, revDAVE wrote:

> What is the largest size ATA100 drive that is safe to put into an  
> older G4
> desktop (g4 450 - not yosemite)?

120 GB.

> - I believe it has something to do with the internal controller  
> card and how
> large of the drive it will allow...

Its a problem with the BootROM (though I thought it was the  
controller too). I plugged a separate controller card into my G4 and  
hook larger drives up to it -seems to work fine, can even boot from it.

> Also -  I imagine with the proper external case ( that says it can  
> format
> 300-400 gigabytes) -  that the same drive could be properly  
> formatted and
> run on this older computer - is this true?

Yes.

For more info, see "Macintosh: Using 128 GB or Larger ATA Hard Drives"
<http://docs.info.apple.com/article.html?artnum=86178>

-Mike


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