2 partitions, 2 Mac OSX's

Hi all,
Recently got a new macbook pro running snow leopard. I currently use OSX Tiger at work and would like to install my build on here until we discontinue using it. I have partitioned the internal harddrive using disk utility - no problems there.
I then tried to use the Mac OS Tiger install DVD to install on partition number 2 - no joy.
Next I hooked up an external drive with an image of my Tiger install and restored that across using disk utility . It appears all the directories are there but the drive is not bootable. I have tried using the option key on boot up but the drive is non recognisable.
Surely I'm missing something simple here? It must be possible to run 2 Mac OSX's on 2 partitions?
If anyone could help I'd really appreciate it.
Many thanks.
...brainwave - the original tiger setup was on a PowerPC setup machine. Perhaps it's the difference between the PowerPC and Intel drive?
Cheers

rob K1 wrote:
...brainwave - the original tiger setup was on a PowerPC setup machine. Perhaps it's the difference between the PowerPC and Intel drive?
No, the problem is that your machine did not come with Tiger installed. An intel that came with Tiger can run only Tiger, Leopard, and Snow Leopard. An intel that came with Leopard can run only Leopard and Snow Leopard. An intel that came with Snow Leopard can run only Snow Leopard. And, these restrictions hold on bootable external drives.

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ifarber wrote:
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Message was edited by: khiner
Message was edited by: khiner

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"i tried upgrading my hard drive to a new hitachi HD"
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with this new drive do you want to:
install the operating system on the new drive
format the drive to use it as storage
create a standby bootable drive
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