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Drive letter changed - how to start old OS/2 installation

Started by defender, 2007.09.15, 00:15:27

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defender

Hello everybody,

since a hard disk crash I was away from OS/2 quite a long time. Now I realized that I still have a partition with OS/2 Warp 4 on it, which used to have the drive letter C:. Now, due to a new installation of my whole system, this drive letter changed to D:, since it is a primary partition on a second hard drive now. OS/2 starts to boot, but can't load any drivers since it always wants to access C:\OS2\BOOT\...

Is there a way to reanimate this old installation and tell OS/2 that it remains on drive D: now? A new installation seems not to be possible, the installation program gives me no option to install it on D:

Any help? For old time sake, I would be glad to use my favorate OS again...

Thanks a lot in advance!

Andi

RobertM

You can re-assign the drive letters (using LVM) so that your current Drive D is Drive C and your current Drive C is something else...

The other option would be a lot of editting of various files to make them point to Drive D (which would be a MAJOR hassle) - some of which I believe include INI files that are not human readable (like OS2.ini and OS2SYS.ini)

I'd pick the first option...

-Robert



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Kirk's 5 Year Mission Continues at:
Star Trek New Voyages
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Andi

For older (non LVM) systems you can edit config.sys, os2.ini and os2sys.ini. The ini files are in \os2\. and they are 'hidden' and 'system' (attrib -r -s -h * /s). You need a hex editor with SearchAndReplace for that. Replace C:\ with D:\, ignore case but don't omit the backslash. It's not the elegant way, but it should work (read - it worked for me but no gurantee).

Don't forget to make a backup copy before.

I think I've read that Daniela Engert had done this and it work for her too. Maybe google will find her post.

Ben

Do all the above.

And when you have that done go into
X:\OS2\INSTALL\BOOTDISK and run "SYSINSTX.COM" or it simply will not work.

I've switched OS/2 boot drives many times over the years, it is do-able.

defender

Thanks to everybody! I will try to follow your instructions!

What I'm wondering right now:

Why does the Warp4 installation program give me no option to install OS/2 on the *primary* partition of the second hard drive? Is there a specific reason for that? That would overwrite my current OS/2 installation, but I wouldnt really mind that... just wondering...


RobertM

Quote from: defender on 2007.09.27, 16:58:27
Thanks to everybody! I will try to follow your instructions!

What I'm wondering right now:

Why does the Warp4 installation program give me no option to install OS/2 on the *primary* partition of the second hard drive? Is there a specific reason for that? That would overwrite my current OS/2 installation, but I wouldnt really mind that... just wondering...



IIRC it is a matter of where the machine supports booting (and I don't recall the PC750 supporting that method). But, you may be able to install bootmanager on the primary HDD and then select a partition on the secondary drive as installable. Also, I believe i had a problem with installing on a partition that was too big on the PC750... I think I kept my boot partition to something under a gig. Also, the primary partition should be at the beginning of freespace (with the only thing before it being BootManager if installed on the particular drive).

-Robert


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Kirk's 5 Year Mission Continues at:
Star Trek New Voyages
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defender

Well, I actually *have* a bootmanager installed (AirBoot), so I don't want install OS/2's own Bootmanager in addition... Bad thing that OS/2 won't install just anywhere and let *me* care of how to boot it in the end...