Target Disk Mode won't see my dvd

Hi,
I have a iMac (2011, Mac OS X 10.7.4) with the dvd of Mac OS X Leopard (10.5) in it, that is in firewire target disk mode.
This one is connected to a iMac G4 Flat Panel (1ghz, 1,25 SDRAM, Mac OS X 10.4.11) to install leopard on it.
Now my iMac G4 can see my hard drive of the new iMac but don't see any dvd/cd/...
anyone knows a solution for this?
Thanks in advance
Spywurm

Hi, cavenet -
I know Apple added 128+ GB support to the ATA bus halfway through a model, but if this is the older version, why does it report the higher number in some placess?
Your G4 533MHz machine is a G4 (Digital Audio) model. Native large drive support for drives larger than 128GB was not added until the second model series (the 2002 models) of the QuickSilver machines.
I suspect the differences in reporting have to do with what OSX is capable of 'seeing' and its attempt to tell the truth, vs. the hardware limitation of the built-in ATA controller.
Re the FwTDM problem, be sure you are using an Apple keyboard, or one which specifically supports standard Mac OS startup commands. Not all 3rd-party keyboards support those.

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