Dual boot problem

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Sid Boyce

11 Apr 2004 11 Apr '04

18:25

After my daughter's PC developed problems, I decided to install Linux and crossover office and in the process discovered it was a bad DIMM. Now I have Linux as /dev/hda1 and Windows as /dev/hdc1. When I boot in grub and select Windows, it comes back to the menu and boots only Linux. I wonder if my suspicion that Windows (98SE) needs to be on /dev/hda1 is correct, grub is set correctly to boot Windows from (hd1,0). Regards Sid. -- Sid Boyce .... Hamradio G3VBV and keen Flyer Linux Only Shop.

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James Smullins

11 Apr 11 Apr

18:35

New subject: [SLE] Dual boot problem

On Sunday 11 April 2004 14:25, Sid Boyce wrote:

...

After my daughter's PC developed problems, I decided to install Linux and crossover office and in the process discovered it was a bad DIMM. Now I have Linux as /dev/hda1 and Windows as /dev/hdc1. When I boot in grub and select Windows, it comes back to the menu and boots only Linux. I wonder if my suspicion that Windows (98SE) needs to be on /dev/hda1 is correct, grub is set correctly to boot Windows from (hd1,0).

Win 98 does indeed need to be on the 1st partition on the 1st drive. Jim

Sid Boyce

19:53

New subject: [SLE] Dual boot problem

James Smullins wrote:

...

On Sunday 11 April 2004 14:25, Sid Boyce wrote:

...
After my daughter's PC developed problems, I decided to install Linux and crossover office and in the process discovered it was a bad DIMM. Now I have Linux as /dev/hda1 and Windows as /dev/hdc1. When I boot in grub and select Windows, it comes back to the menu and boots only Linux. I wonder if my suspicion that Windows (98SE) needs to be on /dev/hda1 is correct, grub is set correctly to boot Windows from (hd1,0).

Win 98 does indeed need to be on the 1st partition on the 1st drive. Jim

Thanks, also in another post, it's mentioned that in YaST you can do a virtual swap of HD's. Regards Sid. -- Sid Boyce .... Hamradio G3VBV and keen Flyer Linux Only Shop.

Vince Littler

19:57

New subject: [SLE] Dual boot problem

On Sunday 11 April 2004 7:35 pm, James Smullins wrote:

...

On Sunday 11 April 2004 14:25, Sid Boyce wrote:

...
After my daughter's PC developed problems, I decided to install Linux and crossover office and in the process discovered it was a bad DIMM. Now I have Linux as /dev/hda1 and Windows as /dev/hdc1. When I boot in grub and select Windows, it comes back to the menu and boots only Linux. I wonder if my suspicion that Windows (98SE) needs to be on /dev/hda1 is correct, grub is set correctly to boot Windows from (hd1,0).

Win 98 does indeed need to be on the 1st partition on the 1st drive. Jim

This is what I have always understood UNTIL Johann suggested several weeks back having Windows on the 2nd drive. This would normally boot from GRUB on the first drive, but you could take out the first drive and have it boot natively. I have not tried this myself yet, but I am looking for an opportunity. I cannot see Johann's scheme would work if there were a Windows type partition which is recognised as C: before the intended Windows boot partition. I would rephrase Jim's comment as: "Windows needs to be on the partition which is recognised as C:" Which leads to this question for Sid: "Do any Windows type partitions appear on /dev/hdb [or /dev/hda] which are recognisable as C: before /dev/hdc1?" Vince Littler

Sid Boyce

20:25

New subject: [SLE] Dual boot problem

Vince Littler wrote:

...

On Sunday 11 April 2004 7:35 pm, James Smullins wrote:

...
On Sunday 11 April 2004 14:25, Sid Boyce wrote:

...
After my daughter's PC developed problems, I decided to install Linux and crossover office and in the process discovered it was a bad DIMM. Now I have Linux as /dev/hda1 and Windows as /dev/hdc1. When I boot in grub and select Windows, it comes back to the menu and boots only Linux. I wonder if my suspicion that Windows (98SE) needs to be on /dev/hda1 is correct, grub is set correctly to boot Windows from (hd1,0).

Win 98 does indeed need to be on the 1st partition on the 1st drive. Jim

This is what I have always understood UNTIL Johann suggested several weeks back having Windows on the 2nd drive. This would normally boot from GRUB on the first drive, but you could take out the first drive and have it boot natively. I have not tried this myself yet, but I am looking for an opportunity.

I cannot see Johann's scheme would work if there were a Windows type partition which is recognised as C: before the intended Windows boot partition. I would rephrase Jim's comment as:

"Windows needs to be on the partition which is recognised as C:"

Which leads to this question for Sid:

"Do any Windows type partitions appear on /dev/hdb [or /dev/hda] which are recognisable as C: before /dev/hdc1?"

Vince Littler

There is only one partition with Windows /dev/hdc1, so I shall try the map command in grub to do a virtual swap and see how that goes, "info grub" says it's the way to get it working. Regards Sid. -- Sid Boyce .... Hamradio G3VBV and keen Flyer Linux Only Shop.

Sid Boyce

12 Apr 12 Apr

23:43

New subject: [SLE] Dual boot problem

Sid Boyce wrote:

...

Vince Littler wrote:

...
On Sunday 11 April 2004 7:35 pm, James Smullins wrote:

...
On Sunday 11 April 2004 14:25, Sid Boyce wrote:

...
After my daughter's PC developed problems, I decided to install Linux and crossover office and in the process discovered it was a bad DIMM. Now I have Linux as /dev/hda1 and Windows as /dev/hdc1. When I boot in grub and select Windows, it comes back to the menu and boots only Linux. I wonder if my suspicion that Windows (98SE) needs to be on /dev/hda1 is correct, grub is set correctly to boot Windows from (hd1,0).

Win 98 does indeed need to be on the 1st partition on the 1st drive. Jim

This is what I have always understood UNTIL Johann suggested several weeks back having Windows on the 2nd drive. This would normally boot from GRUB on the first drive, but you could take out the first drive and have it boot natively. I have not tried this myself yet, but I am looking for an opportunity.

I cannot see Johann's scheme would work if there were a Windows type partition which is recognised as C: before the intended Windows boot partition. I would rephrase Jim's comment as: "Windows needs to be on the partition which is recognised as C:"

Which leads to this question for Sid:

"Do any Windows type partitions appear on /dev/hdb [or /dev/hda] which are recognisable as C: before /dev/hdc1?"

Vince Littler

There is only one partition with Windows /dev/hdc1, so I shall try the map command in grub to do a virtual swap and see how that goes, "info grub" says it's the way to get it working. Regards Sid.

grub> map (hd0) (hd1) grub> map (hd1) (hd0) grub> quit /boot/grub/device.map shows they are swapped, when I try to boot Windows, it throws me to the grub prompt. Perhaps I need to alter menu.lst which shows them as originally set, linux as (hd0,0) and windows as (hd1,0). I didn't have a rescue disk with me, so I left it for another time. What about "grub-install /dev/hdc", do I need that also? Regards Sid. -- Sid Boyce .... Hamradio G3VBV and keen Flyer Linux Only Shop.

Felix Miata

11 Apr 11 Apr

20:30

New subject: [SLE] Dual boot problem

James Smullins wrote:

...

Win 98 does indeed need to be on the 1st partition on the 1st drive.

It needs only to be a sole active primary on what it thinks is the 1st disk. Most of mine are actually on /dev/hda3. I generally have more important things to put on hda1 & hda2. -- "Each one should use whatever gift he has received to serve others..." 1 Peter 4:10 NIV Team OS/2 ** Reg. Linux User #211409 Felix Miata *** http://members.ij.net/mrmazda/

James Smullins

13 Apr 13 Apr

01:22

New subject: [SLE] Dual boot problem

On Sunday 11 April 2004 16:30, Felix Miata wrote:

...

James Smullins wrote:

...
Win 98 does indeed need to be on the 1st partition on the 1st drive.

It needs only to be a sole active primary on what it thinks is the 1st disk. Most of mine are actually on /dev/hda3. I generally have more important things to put on hda1 & hda2.

Its amazing what one can learn here. :) Jim

Felix Miata

05:41

New subject: [SLE] Dual boot problem

James Smullins wrote:

...

On Sunday 11 April 2004 16:30, Felix Miata wrote:

...

...
James Smullins wrote:

...

...
...
Win 98 does indeed need to be on the 1st partition on the 1st drive.

...

...
It needs only to be a sole active primary on what it thinks is the 1st disk. Most of mine are actually on /dev/hda3. I generally have more important things to put on hda1 & hda2.

...

Its amazing what one can learn here. :)

Actually with the right bootloader and MBR it need not even be active, but there must be no more than one "active" primary per disk or it will not play nice. :-) -- "Each one should use whatever gift he has received to serve others..." 1 Peter 4:10 NIV Team OS/2 ** Reg. Linux User #211409 Felix Miata *** http://members.ij.net/mrmazda/

Patrick Shanahan

11 Apr 11 Apr

19:39

New subject: [SLE] Dual boot problem

* Sid Boyce [04-11-04 13:25]:

...

After my daughter's PC developed problems, I decided to install Linux and crossover office and in the process discovered it was a bad DIMM. Now I have Linux as /dev/hda1 and Windows as /dev/hdc1. When I boot in grub and select Windows, it comes back to the menu and boots only Linux. I wonder if my suspicion that Windows (98SE) needs to be on /dev/hda1 is correct, grub is set correctly to boot Windows from (hd1,0).

All is well. dos/windoz needs to be on the first hard drive, but you can fool it with grub. info grub -> booting -> general boot methods -> chain loading -> dos/windows bottom of 2nd paragraph explains using 'map' to do a virtual swap of the hard drives. -- Patrick Shanahan Registered Linux User #207535 http://wahoo.no-ip.org @ http://counter.li.org HOG # US1244711

Sid Boyce

19:55

New subject: [SLE] Dual boot problem

Patrick Shanahan wrote:

...

* Sid Boyce [04-11-04 13:25]:

...
After my daughter's PC developed problems, I decided to install Linux and crossover office and in the process discovered it was a bad DIMM. Now I have Linux as /dev/hda1 and Windows as /dev/hdc1. When I boot in grub and select Windows, it comes back to the menu and boots only Linux. I wonder if my suspicion that Windows (98SE) needs to be on /dev/hda1 is correct, grub is set correctly to boot Windows from (hd1,0).

All is well. dos/windoz needs to be on the first hard drive, but you can fool it with grub.

info grub -> booting -> general boot methods -> chain loading -> dos/windows

bottom of 2nd paragraph explains using 'map' to do a virtual swap of the hard drives.

Thanks, I shall read and heed. Regards Sid. -- Sid Boyce .... Hamradio G3VBV and keen Flyer Linux Only Shop.

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Felix Miata
James Smullins
Patrick Shanahan
Sid Boyce
Vince Littler