Mac ibook (powerbook4,3 4.3) won't boot tiger os x

Hi..
I booted into Open Firmware on an ibook which previously had os x 10.4.11 installed on it.  I did something to change the boot parameter by choosing to boot into os 9.2.1 but now os x won't boot.  I then reformatted the drive with an os 9.2.1 installation cd disk utility.
When I boot into Open Firmware the first and second line read:
Apple Powerbook4,3 4.3 6f3 BootROM built on 05/14/02 at 15:14:32
Copyright 1994-2002 Apple Computer, Inc.
I'm wondering why since I have purchased a retail copy of OS X Tiger 10.4 that I can't boot from the Tiger installation media.
Can anyone help me recover my iBook?  I purchased the iBook second-hand with OS X preinstalled.

Now that may not work either.  
The Powerbook 4,3 iBooks were anytime between May 20, 2002 and October 22, 2003.
Inside the battery bay it should tell you if there is a CD, DVD, or Combo drive (supports DVD), or superdrive (DVD burner).  It should also tell you the serial number, which is your key to knowing which retail installer will work.  The serial numbers are written with a prefix of 5 characters, the last 3 tell you the date of manufacture,
and what was able to run on it.    So any xx243xxxxx where x can be any letter or number would be the 43rd week of 2002.   Any xx307xxxxx would be the 7th week of 2003.
During that time frame:
August 24, 2002 10.2 was released (26th week).
After this point only the 10.2.3 retail installer will work or later retail installer, or the prebundled discs.
December 19, 2002 10.2.3 retail was released (51st week).
After this point only the 10.3 retail installer or later retail installer would work, or prebundled discs.
10.3 retail installers were all CDs.
10.4 retail installers were mostly DVDs, though a limited version was available with CDs known as the Media Exchange discs.
Prebundled discs included Appleworks and hardware test and portions of iLife not included with the operating system.
You can't use the installer disc that came with another Mac of the same vintage but different model, or different model but same vintage.   You can't use OEM or upgrade discs, except where the upgrade disc was available within the 3 weeks of the operating system release and if the Mac was shipped during that tight time frame.

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