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Duel booting with an existing OS

#1 User is offline   RandyC 

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Posted 13 November 2001 - 10:26 PM

Hi there,

I have windows XP installed on my C drive and I have a removeable disk that had win98 and is assigned to drive D. I want to duel boot these OS's in the Loader, but I cant seem to get it to work. I have tried putting in d:\"Windows 98" in the boot.ini but it doesnt work. I have also tried the bootcfg command in the XP recovery console but its doesnt seem to detect the win98 install. So I am currently forced to change the boot drive in the bios to boot W98. If anyone can help me out here I would be greatful.

RandyC
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#2 User is offline   Marktait 

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Posted 13 November 2001 - 11:16 PM

cant u tell ur bios to boot to drive d: instead? Otherwise i dunno

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#3 User is offline   RandyC 

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Posted 14 November 2001 - 01:30 AM

I am doing that already ... just its a little long winded. I was hoping I could try and get W98 to appear in the Loader before I boot into XP.

The only reason I want to do this is because XP wont run a version of Prolog i'm using and there isnt an upgrade for it. I have tried all of the compatibilty modes but with no success ;(
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#4 User is offline   Brian Frank 

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Posted 14 November 2001 - 05:55 AM

Hmmm...I believe 98 has to be within the first 6GB of yer disk or in the primary partition. You could move the partition, but you'd need something like Partition Magic to do so.
That's where you're running into problems.
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#5 User is offline   RandyC 

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Posted 14 November 2001 - 11:57 AM

Thanks for the replys,

I would change it over to the primary partition if I had one. I'll explain again.

I have XP on my first hard disk and my old win98 install on a removable harddisk which I use to run between uni and home. XP doesnt pick up the 98 install when i run bootcfg in the recovery console and it doesnt like me placing the line d:\"Windows 98" to try and boot through the boot.ini . Currently i'm having to change the boot drive in the bios each time I want to use win98 to run a program that doesnt like XP (I have tried everything to get it to work under XP i.e. compatibility mode and it doesnt work, just GPF's on me, but in win98 it works fine). If anywone can tell me how to add an existing win98 install to the boot.ini file that I would be very greatful as it saves me booting changing the bios.

RandyC

======================================================
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1x FUJITSU 2gb Removable (Windows 98 SE installed)
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#6 User is offline   XD_Andy 

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Posted 24 November 2001 - 10:22 PM

You *could* try this.

Switch your removable disc caddy and C drive around in your PC...

ie make the caddy Primary master and 'C' drive primary Slave.

In bios, make first boot device primary master, second boot device primary slave.

When-ever your removable drive is in place, it'll get assigned 'Drive C' and boot, but your XP drive will be assigned drive D. Data disc drive E, and so on.

When not in, you XP drive will be assigned Drive 'C' and boot.

CAUTION - anything you've got in your removable drive pointing to drive D will write to your XP drive (you don't want that to happen)

To get round this, you could tell your 98 OS to 'hide' the XP drive (drive D) from the control panel, and rename drive E to drive D.

Could give that a try


Andy ;-)
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#7 User is offline   HKPrince 

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Posted 25 November 2001 - 06:41 AM

Quote:

I was hoping I could try and get W98 to appear in the Loader before I boot into XP.



Dual booting of Windows XP with another Windows OS such as 98 or ME (NT, I don't know), you will need the ntdetect.com, ntldr, boot.ini (you should have them), another pagefile.sys on the Windows OS root directory (I don't know why there is another) etc, and most important, bootsect.dos, the boot sector image of another Windows OS. Without it, even you write the boot option of the Windows OS in boot.ini, Windows XP doesn't know how to do. Whenever Windows XP or Windows 2000 is installed with an existing Windows OS, it modifies the master boot record of the harddisk and add its own boot sector to it, then move the boot sector of the OS to bootsect.dos. When the computer boots, it reads the boot sector and calls up ntldr (NT loader). NT loader allows you to select OS which is written in boot.ini. If you select another OS, NT loader then call the bootsect.dos to boot another OS. I hope I am writing the right thing because I have tried to do the same thing but I search in the net and find out it is quite difficult.
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#8 User is offline   RandyC 

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Posted 25 November 2001 - 12:40 PM

Thanks for the replys. Just one question though how do I make a bootsect.dos file for the W98 drive?

RandyC
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#9 User is offline   RandyC 

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Posted 26 November 2001 - 08:00 PM


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#10 User is offline   RandyC 

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Posted 29 November 2001 - 01:06 AM

AlecStaar,

I think I have found the tool that will do such a thing. Its called Bootpart and it can be found at: http://www.winimage.com/bootpart.htm

As for the removable disk i'm using, it's a standard FUJITSU harddisk attached to a removable hard disk mounting in a 5 1/4 drive bay. I use it at uni to transport my files from my network drive to home. Its a little bulky but it does the job smile

Hope this app helps

RandyC
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