On Mon, Dec 19, 2011 at 8:40 PM, dmccunney <dennis.mccun...@gmail.com> wrote:
> On Mon, Dec 19, 2011 at 5:56 PM, Rugxulo <rugx...@gmail.com> wrote:
> I've had worse pains.  I noprmally prefer to have each OS on its own
> drive, but that wasn't an option here.

VirtualBox would be easier, but your cpu may not support VT-X, sadly.
Without that, some stuff doesn't work, and it can be quite slow. (This
laptop lacks it.)

> The old box this was done on was a gift from a friend who had
> upgraded, and it's basically a testbed to see what performance I can
> wring out of ancient hardware *without* spending money on it.

Nothing wrong with using old hardware. It doesn't magically stop being
useful. But some people didn't get the memo!

>> On Mon, Dec 19, 2011 at 10:19 AM, dmccunney <dennis.mccun...@gmail.com> 
>> wrote:
>> https://help.ubuntu.com/community/Grub2#Uninstalling_GRUB_2
> I'd as soon not.  The only thing not working is booting to FreeDOS,
> and I'd prefer not to introduce more variables.

I know, I'm just giving you the option.

>>> I multi-boot Win2K Pro, Ubuntu Linux, Puppy Linux, and FreeDOS on an
>>> old Fujitsu Lifebook.
>>> This used to work.
>> On this Lenovo cpu, I'm triple-booting Win7 64-bit Home Premium, Lucid
>> PuppyLinux 5.2.8, and FreeDOS 1.1 (ish).
> I have full installs for both Ubuntu and Puppy.  Both are on ext4 file
> systems (to take advantage of extents,) and each mounts the other's
> slice.  I spent some time playing because I wanted to have *one* copy
> of major apps shared between both Linuxs, some some things live on one
> side, and some on the other.  I have an open source Windows driver
> that will let me see and access the Linux slices from 2K.

I'm not sure I see the point of having Ubuntu and Puppy, esp. since
some Puppy variants are "mostly" Ubuntu-compatible (like mine).

FAT32 is natively supported by FreeDOS, Windows, and Linux. Most
people consider it a good middle-ground. But yeah, there are other

> Like I said, this *used* to work.  All were booting fine from Grub2
> before I did the clean re-install of Win2K and had to redo Grub in
> consequence.  I do vaguely recall having to do some fiddling to get
> FreeDOS to boot the first time around.  Unfortunately, I don't recall
> just which fiddle did the trick.

Does GRUB 2 use menu.lst? I don't know, not interested in learning
that (yet?). Ugh. Maybe it needs chainloading or something weird. Try
searching for the GRUB4DOS [sic] wiki or such.

Or use FDISK, TestDisk, GParted, BOOTMGR to see your MBR and partition
table. If FreeDOS won't boot, it means your partition isn't marked
active, isn't primary, isn't FAT, doesn't have a bootable boot sector,
or something weird along those lines. Can you access DOS at all (via
floppy)? Perhaps you could use wDE or similar low-level tool to view
raw sectors to see if there's a boot sector or not.

>> Don't forget that you can always use DOSBox ("universe"??) or DOSEMU
>> ("multiverse"??).
> I use DOSEmu under Ubuntu for other things, but wanted a pure DOS
> boot.  Among other things, the old box doesn't have to horsepower to
> do emulation for other than simple stuff, and I don't think some of
> that I have on FreeDOS woruld work well in DOSEmu.

DOSBox is mostly good but slow (though core=dynamic exists) and
limited to 64 MB max (default 16). It's mostly full emulation and good
for sound cards, graphics, etc. It doesn't use any DOS, only its own
fake internal one.

DOSEMU uses V86 mode, FreeDOS 1.0 kernel+binaries, is fast, but lacks
somewhat in the full compatibility department. Still, it seems to
allow quite a lot of RAM (e.g. 520 MB DPMI, though default is 20!). It
works pretty well, even has some SB support, but it's not 100% perfect
(nothing is). Honestly, real native hardware has several drawbacks
("too much" RAM chokes some software), not to mention worse hardware
support (lack of basic drivers), though indeed it doesn't have various
bugs like most emulators.

>> I don't know. On this Lenovo PC, I use BTTR's tiny BOOTMGR, whose MBR
>> "chainloads" (?) to the boot managers for Win7 ("BCD"?) and PuppyLinux
>> ("GRUB 1") on their own partitions.
>> In short, you may have better luck using something like BOOTMGR, GRUB
>> Legacy (1), or Gujin. I'm sorry I can't help more, but partitions
>> (primary? extended?) are complicated.
>> P.S. Don't forget Rufus:
> Noted, but I'm not quite up to throwing out the baby with the
> bathwater just yet, which is about what completely redoing my setup
> with a different boot manager would come down to.

Presumably it's some tricky setting in GRUB as MBRs and partitions are
very arcane. But who knows, maybe you'll get lucky.

Worst case scenario: you could burn a backup CD / DVD with all your
files and start from scratch. Better than nothing. Sorry if I can't
help more, it's complicated.   :-/

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