[iBook] Installed security update now iBook will not boot

[Clark Martin]

>>You might start by powering off and then resetting PRAM by holding 
>>down the Apple/Option/P and R keys while starting up. Wait until 
>>you hear 3 start-up chimes and then release the keys.
>>
>>If that doesn't take you you back to a normal state, let us know.
>>
>>  M
>
>
>
>
>Hi The Ibook 600 does not have a pram battery
>
>You need to do a system reset and then i remove the battery and put 
>it back in and then start it up. Thats what i do for my G3 900 and 
>it works every time. . apple has all the info listed on there sight 
>when you go to support and ibook and start up issues.
>
>The battery is just what i need to do and does not need to be done 
>by every one. it is just the thing that works for my book.

No it has a super cap.  But it still has a PRAM and it can be reset.