Dual boot OS/2 Warp 4 and Win2K

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October 18, 2001 at 13:51:53 Pacific

I need to get a PC running with OS/2 for a new client project. I was surprised to find that even IBM won't preinstall OS/2! Alas, it's do-it-yourself time.

So I bought a IBM ThinkPad T22 (w/ 20GB HD) hoping that it would be most likely to support OS/2. It comes with an Intel PRO/100 Mobile Combo Adapter, which provides both LAN and Modem access. Where in the world would I find an OS/2 Warp 4 driver for such a device?

Next, I'd like to keep the preinstalled Win2K (I'll change the drive letter to E:). I'm thinking about using PartitionMagic to create a 512MB FAT (C:) and 4GB HPFS (D:).

At this point I become doubtful. Can I boot from the OS/2 floppies (just downloaded 2 of them from the IBM web site) and "load" OS/2 to the active, primary partition C: while "installing" the bulk of the OS files to D:? If I can do that, I think I can run Win2K to repair the overwritten boot sector.

Man, I've made a mockery out of this post. Sorry. I just need advice on creating a dual boot PC.

Thanks


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#1
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October 22, 2001 at 12:12:37 Pacific

Hi Maxx, try to find the driver in www.os2bbs.com
Respect about win2000 and os/2, I don't think that win2000 be so friendly with os/2.
I think I have read something about this in this page.

Good luck.


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Æ October 24, 2001 at 15:18:02 Pacific


Win2000 Killing OS/2 Boot Manager
Source: Bob Bencivenga (benji00@mediaone.net)

Since the release of Win2000 there has been alot of discussion about
how Win2000 will kill the BM for OS/2 every time you boot Win2000. In
looking through the news groups today I stumbled across this bit of news
which should help everybody. The following is the text of how to fix it.

no keysno keys

Windows 2000 RC2 did not destroy Boot Manager the way the final
release version does. The problem has been traced to a single
Win2000 file. The file is FASTFAT.SYS. It lives in the
WINNT\SYSTEM32\DRIVERS directory and the WINNT\SYSTEM32\DLLCACHE
directoy.

What you need to do is copy this file from a Win2000 RC2 (possibly
earlier version also - I don't know) install onto your Win2000
final version install above directories. You need to copy it to
DLLCACHE first. This is a hidden directory, so you need to go to a
command prompt and CD to it. Rename the original one first and then
copy the RC2 version there. You will get an error message box about
a system file being changed. Press CANCEL. Now copy the file into
the DRIVERS directory. These directions assume you are doing the
coping under Win2000. I guess if you do it under OS/2 it might be
easier, I dunno. I did it under Win2000 because it's installed on a
FAT32 partition so OS/2 can't see it.

Anyways, reboot with your OS/2 install disks and re-install the
Boot Manager. You can also add Win2000 to the Boot Manager. Now,
when you boot Win2000, BM is no longer destroyed.


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Mark Harrison November 12, 2001 at 17:17:00 Pacific

I am using BOOT MAGIC which is included with a product called Partition Magic 7.0 to replace Boot Manager. This solved all my problems. Hope this helps.

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Stan Koper December 21, 2001 at 14:19:25 Pacific

Because of consistent WIN98SE crashes, I'm looking at upgrading to Win2k, but I'm aware of the problems with boot manager. And I just resolved the problem with the newer boot manager "seeing" Fat32 drives and not being able to boot OS/2!

As I understand it, Win2k sees the BM partition as fat 12, and "cleans" it during the installation. You can reinstall BM, but then it's in partition 1, and Win2k can't find its loader program.

There's another fix (besides switching to another product), and that's to add some language to one of the win2k startup ini files, to let it know that boot manager is in the first partition, and the loader is in the second (or something like that). I saw a web site with the instructions, but I lost it and I'm still looking. That's how I got here.

And I own Partition Magic 5.0 and 6.0, so I can use boot magic if I want. But I don't.


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