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dual boot xp/osx separate hdd's

sim888

By sim888,
in Multi-booting and Virtualisation

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sim888
sim888
Posted
Posted

Bit new to this so please bear with me...

 

Looking to install osx onto a spare hdd, and atm have xp already installed on another hdd.

 

I want to keep the existing xp install, and have the option to dual boot xp from its existing hdd, and osx from the fresh new hdd..

 

Is that possible, as all i seem to be able to find is dual booting from he same hdd.. If there is a guide, that would be awesome too!

 

cheers

s.

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guilliamo
guilliamo
Posted
Posted

While there are other, potentially more elegant options depending upon the version of OSX you install, the simple scheme that works just fine is this:

 

In almost every BIOS, you can select which HDD is the primary or 1st boot drive; when you want to boot to XP, select that HDD to boot to, and when you want to boot to OSX, select that HDD to boot to.

 

The grandkid's computer has 3 HDD....XP, Vista & OSX...and at 6 & 8 they've mastered this just fine.

 

G

sim888
sim888
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Posted

Thanks guilliamo, i didn't think it was going to be too hard :D

 

xdawiz, i got the osx part installed fine -with no other hdd plugged in- have to iron out a few bugs first (lan doesn't seem to be working on my p53-ds3p)..once i sort that out, will test the dual booting out.. hopefully i won't have to go into the bios everytime to choose what to hhd to boot 1st, and it'll give me a choice at post... If not, there's always vm/bootcamp (hopefully they work, havent looked into that yet either :P )

sim888
sim888
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Posted

At the moment, this is how its setup:

 

I have osx installed on a 500gb sata drive

Xp is on separate !tb sata drive - which is unplugged at the moment

with a 2 other 1tb drives - also unplugged

 

At work, so haven't had a chance to sort out the lan and other little issues as yet.

Once i get osx working i'll tackle the dual boot situation and post the results

 

am keepng an eye on this thread also: http://forum.insanelymac.com/index.php?showtopic=120935

 

cheers

s.

sim888
sim888
Posted
  • Author
Posted

Hi Xdawiz, Got the OSX install running well, all seems good...fixed lan issue buy picking up a netgear ga311 lan card - not sure why the onboard lan wasn't working, and don't really care, $20 for the ga311 (worked straight out of the box) is better than hour/s of my time trying to work out why the onboard is not working :P

 

Anyways, now onto the dual booting. Will work on that tonight and let you know - Worse case scenario, i'll probably have to set up separate profiles in my bios, one for XP one for OSX.

 

s.

hellohellohello
hellohellohello
Posted
Posted

if your OSx86 disk was formated as MBR, you can do the following:

 

1. Set your XP hd as 1st boot, boot in winXP

2. Drop CHAIN0 file into your C:\ (i got this off of the ox86 wiki)

3. Add the following line to your boot.ini:

 

c:\chain0=”OsX86″

 

5. Make sure that you'll be prompted at reboot to choose OS. Right click MyComputer > Properties > Advanced

6. Reboot.

 

now you should be prompted to boot either Microsoft Windows XP or OSx86. When you choose the latter, it'll go right into whatever flavor of OSx86 you have installed.

 

this is what works for me, 2x500gb SATAa, one with WinXP SP3, the other with iATKOS 4i (10.5.4).

 

Hope this helps.

kalarm
kalarm
Posted
Posted
if your OSx86 disk was formated as MBR, you can do the following:

 

1. Set your XP hd as 1st boot, boot in winXP

2. Drop CHAIN0 file into your C:\ (i got this off of the ox86 wiki)

3. Add the following line to your boot.ini:

 

c:\chain0="OsX86″

 

5. Make sure that you'll be prompted at reboot to choose OS. Right click MyComputer > Properties > Advanced

6. Reboot.

 

now you should be prompted to boot either Microsoft Windows XP or OSx86. When you choose the latter, it'll go right into whatever flavor of OSx86 you have installed.

 

this is what works for me, 2x500gb SATAa, one with WinXP SP3, the other with iATKOS 4i (10.5.4).

 

Hope this helps.

 

I am not quite sure how this works.

 

when I go see my HDD, my vista HDD is disk 0, my other SATA drive is disk 1 and my IDE drive with leopard is disk 2.

sky capt
sky capt
Posted
Posted

hello, i'm having a similar problem and funnily enough similar hardware i'm on a p35-DS3R. Both xp + leopard work fine by themselves when i change the boot order in the bios but they don't seem to want to play nice when i use chain0 xp works no problems but i get the usual boot error with leopard.

 

Both oses are on seperate hard drives, and both os work flawlessly. i did use the kalyway 10.5.2 intel instal.

 

Any guidance would be much appreciated!.

 

[and yes i've gone through alot of the threads here to try and resolve my problem, even tried acronis boot loader but that thing seemed way to unstable and rendered one of my partitions as full when it had 250gb free on it..lol so needless to say that thing is gone]

Le-Bebop
Le-Bebop
Posted
Posted

Hi everybody!

 

I have the same config, with 2 HDD (in SATA-II): one for XP, the other for Léo. for the moment I choose the OS with Bios settings.

 

For the Chain0 method, I will have a problem: XP does not run under AHCI mode! In fact when I boot, I change in Bios: 1 the boot device, 2 the mode (IDE vs AHCI)..

I read somewhere that there are drivers which make XP be able to run under AHCI, but I can't find them, moreover, We have to reinstall XP to install the drivers...

Or may be.. If I install XP on an IDE HDD (rather than SATA-II). Will XP see the IDE drive in AHCI mode??

 

Another solution consists to boot XP with Parallels. but I can't config BootCamp (see here http://forum.insanelymac.com/index.php?showtopic=123053)

 

If someone knows a solution for the AHCI problem or the BootCamp, please reply!...

 

Thanks!

  • 4 weeks later...
whitebug
whitebug
Posted
Posted
Hi everybody!

 

I have the same config, with 2 HDD (in SATA-II): one for XP, the other for Léo. for the moment I choose the OS with Bios settings.

 

For the Chain0 method, I will have a problem: XP does not run under AHCI mode! In fact when I boot, I change in Bios: 1 the boot device, 2 the mode (IDE vs AHCI)..

I read somewhere that there are drivers which make XP be able to run under AHCI, but I can't find them, moreover, We have to reinstall XP to install the drivers...

Or may be.. If I install XP on an IDE HDD (rather than SATA-II). Will XP see the IDE drive in AHCI mode??

 

Another solution consists to boot XP with Parallels. but I can't config BootCamp (see here http://forum.insanelymac.com/index.php?showtopic=123053)

 

If someone knows a solution for the AHCI problem or the BootCamp, please reply!...

 

Thanks!

 

 

Hey,

 

I was in the same situation as you are in, issues with XP not booting with AHCI mode. Not sure if you have solved your problem but I'd like to point this out: http://forums.pcper.com/showthread.php?t=444831. Many thanks to Ned Slider for that guide.

 

Point to note while installing, use the registry file corresponding to either ICH8 or ICH9. I did a mistake by using the registry for ICH9 when my system only supports ICH8. Im a nub and I managed to get it working, dont think it will be any harder for you or anyone.

 

Bug.

Deejyanate
Deejyanate
Posted
Posted

Hey guys,

I have Vista on my laptop HDD and Mac OSX on an external USB HDD, runs fine off of it

Basically all I did was:

 

1: Enter you bios setup, and select the DVD drive to boot first

2:Put in the Disck with mac on and let it do its thing...takes a while.

3: In the installer use disk utility to find your USB hard drive, Partition it into 2. First partition for the OS so format it as Macosx extented (journeld). Second partition dunoo whatver you wanna call it. Documents is what i called it, just a place to store extra non apllication things. Format it as a FAT (i think thats what they call it in the disk util, it has that i the name)

4:Quit the diskutil after you done all that, next install mac on the HDD you just formatted for the OS. Wait for however long for it to install

(this is the clever and easy part instead of messing about with the MBR etc)

5: Enter you bios again! And put USB HDD as the first boot, This way, when the HDD is plugged in it will boot OSX if it isn't plugged in it will boot windows!

Problem solved, Hope this helps!

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