On Sep 28, 2011, at 11:07 AM, Powerbook G3 Store wrote:

> Yes, drift.  I read that if you try to use the full partition some of the OS
> files can drift outside the partition and you can't boot the drive.  

You read wrong. 

This is a conflation of several issues.

There's a 4GB limit on using SCSI target mode to transfer files on older 
Powerbooks

Then there's a 132gb limit on newer ones (same as what you see on desktops.) 
This is the most common issue discussed here. It is fixed by the SpeedTools 
driver or firmware hacks.

However, since the switchover to SATA happened before drives larger than 128gb 
were commonly made for 2.5 ATA, this is largely an moot issue for older Macs 
(the limit is often defined as 128gb because that's the nearest size smaller 
than the actual 132 gb limit that was made). If you're thinking of installing 
larger drives, double check to make sure they actually ARE ATA drives, not SATA.

There is no 'drift' because the controller cannot access above the 132 gb 
limit, period, without the special drivers.

Finally there's the 8GB limit for OSX, which doesn't apply to the Pismo or 
Lombard models, but does apply to the Wall Street, wherein the OSX system 
volume must reside on a volume < 8GB, which also must be in the first partition 
of the drive. This only ever applied to a handful of Mac models.

-- 
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs


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