Date: Wed, 29 Dec 1999 10:34:12 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Leon <Leon AT caresystems DOT com DOT au>
cc: djgpp AT delorie DOT com
Subject: Re: finding serial number of the formatted disk
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On Wed, 29 Dec 1999, Leon wrote:

> Hello - was just wondering if anyone has a clue on how one would be able to
> make a program determine (at run-time) the serial number of the disk from
> which it was launched...

The usual way of finding this info is to look into Ralf Brown's
Interrupt List.  A quick search reveals function 440Dh, subfunction
66h, of Interrupt 21h which you can use.  There's also an undocumented
function 69h of Interrupt 21h which seems to do the same.