From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Access to hard disk (>8.5GB)
Date: Thu, 26 Apr 2001 14:58:32 +0300
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References: <988280877 DOT 267693 AT osiris DOT esoterica DOT pt>
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To: djgpp AT delorie DOT com
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"Hiper M.A.R." wrote:
> 
> Djgpp provides means to access directly drives using INT13 (biosdisk;
> _bios_disk).
> This only work if drive is smaller than 8.5 GB.
> Does any one knows or have means to directly access sectors for drives
> > 8.5 GB.

What functions of Int 31h did you use?  IIRC, there are special functions to
access large disks, but you need to issue them with __dpmi_int, since
biosdisk doesn't know about them.