Does zeroing out another Macs HD through TDM remove a Firmware Update?

Hello,
If I zero out the Physical Volume on an iBook G3 which had a Panther installation, while it's connected to my Intel iMac running 10.4.10 & using Target Disc Mode and Disc Utility, what happens to the Firmware Update 4 .1.7?
I need to know if that Firmware Update needs to be applied again from OS 9.2.2 prior to upgrading to Panther again OR can I just install Panther on the iBook again as I'd already applied the Firmware Update?
Does zeroing destroy the Firmware Update? Can I use Disc Utility on an Intel Mac to zero an iBook G3 or do I need to use a PPC and Target Disc Mode?
I'm thinking of installing Panther again on the iBook using TDM and a PPC iMac but am concerned about whether the Firmware Update will still be intact.
Message was edited by: Spawn_Dl3y

That's the answer I was hoping for as I don't want to re-install Panther on the G3 again and have serious probs with not having the Firmware Update present ....
Can I install OS 9 instead of Panther on the HD without any conflicts ocurring seeing that the Firmware has been updated? Is the Firmware backwards compatible with OS 9?
Thanks for your posts Niel and Johnodd4
Message was edited by: Spawn_Dl3y

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