Date: Tue, 28 Jan 1997 02:14:58 -0500 (EST)
Message-Id: <1.5.4.16.19970128021630.4017804a@walrus.com>
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To: opendos AT mail DOT tacoma DOT net
From: Bob Schultz <unicorn AT walrus DOT com>
Subject: Re: [opendos] Still can't boot OpenDOS from second hard drive
  with grub-0.4
Sender: owner-opendos AT mail DOT tacoma DOT net
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At 10:18 PM 1/27/97 -0600, Weiqi Gao wrote:
>Hi,
>
>I posted an inquery yesterday about booting OpenDOS from the second hard
>drive and haven't got any definitive answer except the one from Church who
>asked "how did you set up the menu?"
>
>Here, in more detail, is what I have been able to accomplish so far:
>1.  Downloaded DOD701.EXE :)  Exploded it.  Made the disk set.
>2.  Installed it on a MS-DOS 6.2 system using default locations, worked OK,
>uninstalled it.
>3.  Installed it on the D:\ drive (system at D:\, utilities in D:\OPENDOS,
>etc.).  OpenDOS reported it SYSed the drive.
>4.  Installed grub-0.4 with the following menu.lst:
>    title=MS-DOS 6.2
>        root=(hd0,0)
>        makeactive
>        chainloader=+1
>    title=OpenDOS 7.01
>        root=(hd1,0)
>        makeactive
>        chainloader=+1
>5.  The menu worked fine.  If I select the first option, MS-DOS 6.2 is
>booted up as expected.
>6.  If I select the second option, I get a message "Cannot load DOS press
>key to retry..."
>7.  The message came from the OpenDOS boot record.
>
>My questions are:
>1.  What am I doing wrong?
>2.  Am I stupid or what?
>3.  Am I right in assuming that OpenDOS should not be installed onto a
>second hard drive?
>4.  If I cannot use the free OpenDOS for commercial purposes, what good
>does it do for me?

The boot sector code has the drive hard coded at offset 24h.  Use a disk
editor to change this from 80h to 81h.  I haven't tried this, but I think
that it will work.  Good luck.