PowerBook G4 1.25 ram upgrade problems
So i'm new here and i tried searching for my problem but i can't seem to find it.
i apologize if i missed a huge thread about it.
I bought a new macbook and gave my powerbook g4 to my mother.
It had the 512mb ram original ram and i upgraded to 1gig of crucial ram.
Since then the laptop will work for a while then either it will freeze, or an error that just says restart your computer will come up.
when working on it the other day upon startup i got this error.
System failure: cpu=0 code 00000008 (unaligned stack)
Latest crash info for cpu 0
Exception state (sv=0x00001030)
PC = 0x000ABC08 ; MSR=0x00001030; DAR=0x55555725; DSISR=0x42000000; LR=0x000ABACC; R1=0xFC14FB41; XCP=0x00000098 (system failure
Backtrace terminated – unaligned frame address 0xFC14FB41
Proceeding back via exception chain
Exception state (sv=0x3B4DE500)
PC = 0x00002EF4 ; MSR=0x02003000; DAR=0x55555725; DSISR=0x42000000; LR=0x000029AC; R1=0xFC14FC21; XCP=0x0000000C (0x300 – Data access)
Backtrace terminated – unaligned frame address 0xFC14FC21
Darwin kernel version 8.11.0: Wed Oct 10 18:26:0 PDT 2007;
Root:xnu-792.24.17 ~ 1/Release _PPC
Memory access exception (1,0,0)
Ethernet MAC address:00:00:00:00:00:00
ip address: 0.0.0.0
waiting for remote debugger connection
It works sometimes then fails after its been on after a while.
If i put the old ram it works fine.
here is the ram i installed
i have read a lot about lower socket failure but it still reads as having 1 gig of ram so it reading both slots..
Powerbook G4 1.25ghz
Thanks from my mother
and for the sake of phone bill cause she keeps calling me with questions!
thanks mac forums!
2nd round of ram
well i bought one brand of ram and it didn't work, same problem, then went for the crucial ram as i've bought it several times before and didn't have problems.
is there only certain brands that work better with the powerbook g4?
Not that I know of. But remember, you get what you pay for. Crucial has a pretty good rep, so it just may be a bad ram module. It's happened to me before. (new, but bad)
Have you tried changing the ram around? Put the "good" one in the slot you think is bad? (by itself) Then try the new in the other slot. If everything works ok until you add the new ram, I'd say you found your problem.
You could also try the Apple Hardware test. Another link for it, if you need the test.
You'd need to run the extended ram test though. The quick test may not catch it right away.
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