Re: Partitions corrupted on a drive (UPDATE: typos fixed+parts rewritten)

2017-01-09 Thread peterhaas
>> But, it is still safer to limit the boot volume to two partitions, the >> first of which is 128 GB (131,072 MB, actual capacity) with the >> remainder >> being used for data storage which is not boot-dependent. > > It really is the only *safe* way. > >> Thereafter, the other volumes may be

Re: Partitions corrupted on a drive (UPDATE: typos fixed+parts rewritten)

2017-01-09 Thread Mac User #330250
About BootX and Open Firmware, I found one more: https://opensource.apple.com/source/bless/bless-11/README.BOOTING It explains that BootX uses OF to load files. And before the QS 2002, OF was limited to LBA28, i.e. 128 GB. The /simple/ truth and the reason for the complicated work-around.

Re: Partitions corrupted on a drive (UPDATE: typos fixed+parts rewritten)

2017-01-09 Thread Mac User #330250
Hello Peter! On 2017-01-09 03:16, peterh...@cruzio.com wrote: It is my understanding that if the LBA48 property has been introduced to O.F. "persistently", then a volume which is larger than 128 GB may indeed be the boot volume. Unfortunately this is not true. During the boot process, the

Re: Partitions corrupted on a drive (UPDATE: typos fixed+parts rewritten)

2017-01-08 Thread peterhaas
> (Sorry, my first attempt had numerous errors such as typos. I've also > rewritten parts and added a TO-DO, what I would do). > THIS IS THE UPDATED VERSION OF THE SAME EMAIL. > ... It is my understanding that if the LBA48 property has been introduced to O.F. "persistently", then a volume which

Re: Partitions corrupted on a drive (UPDATE: typos fixed+parts rewritten)

2017-01-08 Thread Mac User #330250
Hello Neal! (Sorry, my first attempt had numerous errors such as typos. I've also rewritten parts and added a TO-DO, what I would do). THIS IS THE UPDATED VERSION OF THE SAME EMAIL. On 2016-12-30 19:34, W. Neal Lewis wrote: Machine Name: Power Mac G4 (AGP graphics) Machine Model: