Quicksilver 867 freezes / hangs in 10.3 all the time

Ive got a G4 Quicksilver 867 - the first version, not the mirror door - it was working fine under 9.2, but ive done a clean install of 10.3, the installationwent fine - biut it will completely freeze after a few moments after startup....someone said that its the processor - i instantly thought it was the logic board - but he said that they were made before 10.3 and the processors were problemtatic and this was the issue - anyone have any recommendations of what i can do/fix it/get a new processor (these the guy also said were very scarce - id be happy to use a reliable non apple part as i know you can get processor upgrade things...)

please help!!!

qxe900@yahoo.co.uk

It was bought sceond hand - and the original superdrive had been changed for anoter brand - i do not suspect this is the problem as i disconnected this from the IDE cable - still hung.

I phone apple today on the off chance they may suggest something - obviously they came out with the ram suggestionalso as did my searches on the net a few weeks ago - is got about 800mb or so of ram - froma variety of sources...i will after wriyting this post put the 2 x 512mb of kingston value ram i have in my vaio in and see if that solves it - i took all the sticks out and popped in one at a time incase it was a clash and the same problem - Apple suggested that i do a re-install but choose archive - itried to explain that they install i have no has no apps and is completely clean - still i tried it by booting off the upgrade CD and it even got as far as choosing custome and hung - completely froze.

I have seen it freeze just after i turn it on when the little circle thing starts, and it sometimes stops on that.....other times it can work for a few mins, then stops. I had also seen once or twice the nasty power symbol saying retart - i think its called a kernal panic or somehting....i always thought it ,may be the logic board - ie mac simply work - and when they start playing up something serious is up?!?

Ill try 2 identical sticks of kingstone 512 pc133 and see what happen - watch this space.

done it - but it wont boot at all now - just keeps the apple logo on - wont even do the spinning circle thing....

..i held down the alt/option key - ther were a few graphics - apparently here i can choose my boot drive - left it and it then booted itself - but when i go to disc utilities - it hangs....hmmmm

oddly enough i thought that...i tried reistalling the OS - and it hung right at the very last bit - tried again and it hung at the begining - so the HDD is the nest thing to try....and the fact that it boots off the os cd to get to the point where it intalls also say to me it a buggered os or rather buggered HDD...do you think if i borrowed a HDD from an old 450 graphite without a superdrive but running 10.3 and put it inpplace of my current quicksilver hdd it would boot from it - only ive not got access to a clean hdd...just access to drives in graphites.