I've been having frequent grey screens of death; "restart now, hold down power, etc..." so I decided to run the Hardware test c.d. that came with my Tibook. All hardware passed with the exception of Memory=m_3/6. Here are the stupid questions;
Do I really need to replace the RAM chips? I have the below in my 500mhz Tibook;
SODIMM0/J16 TOP
SODIMM1/J16 BOTTOM
Which one do I replace? Do I really have to replace both?? Can't I just like reset PRAM or something???

How can RAM just go bad after over two years of dinkering???? Again, these are probably stupid questions, but I've got a 6 yr old REVA iMac-never a problem, and this two and a half yr old Tibook, never a problem. So I'm one of those spoiled rotten Mac users you hear about that haven't any problems. Well, I guess if there's a problem, I'm glad it's RAM and not something bigger. Please help all and thanx. I was sure someone else had this problem, but I ran a search within the Powerbook forum and rendered no results on the above fault code. BTW, this site ROCKS and thanx again!