Subj : Re: MS-DOS HDDs and partitions
To   : StormTrooper
From : paulie420
Date : Sat Apr 15 2023 23:16:53

 St> Its a BIOS limit, not a DOS limit that you're seeing.  In order to
 St> bypass the DOS extender you'd need a more recent BIOS which would be hit
 St> and miss depending on whats on board on your 486.
 St> 
 St> When DOS boots it gets the boot information from BIOS, so if BIOS can't
 St> see more than 500Mb which was a hard limit for some time, DOS will only
 St> ever see that initially unless you load the extender to tell DOS about
 St> the rest of the space BIOS can't tell it about.

Yea, understood. And I've used a DDO software; OnTrack v9.56, to bypass that... but to my dismay, it replaces a bit of the MBR and makes it so I can't mount the CFCard on any sort of current system :/

I thought I had it all figured out - use some 30 year old software to get around the 504MB limit... but now I'm stuck to writing .IMGs to 3.5" diskettes - jesus... :P

Back to the drawing board.



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