PowerPC :: Fix IBook G3 Logic Board Options
Jul 11, 2007
my G3 iBook's logic board has died (it was in that series that had the logic board problem). I had it replaced once already when it was under warrenty. However, the second one has died and Apple will not touch it (unless I pay something like $350 for Apple to fix it). Well, I decided to take matters into my own hands and I ripped open my iBook piece by piece. Now that I have the logic board in front of me, what can I do to fix it? Can I sodder something? Should I take it out and buy a new one off ebay?
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Dec 17, 2009
last week I started to get scrambled video on my iBook G3 (2002 vintage) running 10.2.8. I got it to start up correctly before freezing twice in the last week, but it appears to have given up completely today. I'm not as concerned about this as I would have been a few years ago, since I have a lot of experience with similar problems. Apple replaced the logic board under AppleCare in 2003 and again in 2004, and this is part of the series of iBooks that Apple was fixing for free for a while as part of a class-action settlement. Apple doesn't appear to be doing that anymore (that's fine, the computer is Old with a capital O and it's not feasible to continue supporting the product), and I assume that this has effectively totaled the computer
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May 3, 2008
Hoping that some of you here still own or have owned Powerbooks recently... I have a PB G4 1.67ghz that I bought in July 2005. Since then, it's seen the back of the Apple Store several times to replace three logic boards, a screen, and a SuperDrive, with the most recent instance being the third logic board replacement. This has left the future of my laptop in uncertainty, as the warranty expires this July. In the past, I've owned several Macs for 5 years or more, including my beloved G4 Cube, so I'm no stranger to sticking with my Mac until it's absolutely necessary to upgrade... and financially, I was planning for this computer to last me another 2 years before I had to upgrade.
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Oct 23, 2007
I'm looking fore some help/opinions on a friends iBook G3 800/30GB/256MB/10.2.8the problem is- when you press the power button, it powers on and you hear the (all is ok) chime. now sometimes it will boot perfectly fine and others you get nothing, just a blank screen.Now i know these things were notorious for logic board failure, but could this just simply be the HD, and if it is, how easy is it to change.
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Feb 29, 2008
How do I fix it? I assume the Repair program is expired, so how would I go about fixing it myself?
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Jan 26, 2008
I have a 17" PB, 1.33 ghz with 1.76gb ram. In September it gave signs of the hard drive failing. It would crash right after booting and then not boot at all.If I booted into target disk mode i could still access the files. I backed everything up and did many versions of trying to reformat / reinstall my OS to no avail. When Leopard came out I went through the process again to see if that might help but it didn't. Today I replaced the HD and now it still won't boot at all. It goes to the grey apple screen with the rotating loading icon and stalls. I've let it sit there for 10 minutes or more.
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Apr 6, 2007
Can you put a 800Mhz g3 logic board in 700Mhz g3? I read somewhere that I will have grounding issues. Is that true? Has anyone done this? My ibook has been sitting here unused for the last 4 months and I would like to see if I could get it working. (The video chip has died and I have tried to get it back)
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Aug 12, 2006
I need to know if I can put a 12" 900mhz G3 logic board in my 800mz g3 iBook case.
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Sep 30, 2006
Does any one know if I can put a faster logic board in a 12" 1.07 ghz iBook? Something like a 1.2 ghz from ebay or something? Would it use the same ram?
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Oct 16, 2006
My logic board is getting ready to crap out for the third time. I hadn't planned on wasting $$ on replacing it, but I have a friend who has an old iBook with a dead screen who told me I could have it. So, my quetion is how hard is it to switch out the logic boards? Has anyone done it? I'd prefer not to pump more money into this thing since it's probably going to die again in 6-9 months.
Also, is there a fan in the 500mHz iBooks? I'm thinking that may be the problem, b/c it's been running incredibly hot lately and have never heard the fan come on.
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Apr 30, 2007
I am planning on purchasing an ibook G4 from somebody on craigslist. It was purchased in 2006. I know that ibooks were known for having problems with the logic board, but was that taken care of by mid 2006? Also did they fix the problem with the inverter cable going out from the hinge set up on these? I had previously bought an ibook g3 that the inverter cable was going out for really cheap, i just used it until the cable finally quit working and i'm parting it out.
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May 26, 2009
I have two iBooks with bad logic boards, which may or may not be caused by the GPU issue that so many G3s suffer from.
So I was on ebay looking for logic boards and I came across a couple of postings for logic board repair. It sounded like most of them will just resolder the points on the GPU, if thats the problem you have, if not they tell you they can't fix it and charge you nothing, or so their ad says.
The deal is you pay $50 over paypal, ship the computer cross country, they do the work ship it back and voila...
Has anyone ever done this? Is it a scam?
Sure paypal can protect my $50, but if I ship them the computer I may never see it again. Even though it's busted it's worth something...
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Sep 21, 2006
will a 12" powerbook logic board work in a 12" ibook? i mean they aer the same size but is there something that wont work?
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Jan 7, 2008
Is it possible to replace the logic board in a 12in 700mhz g3 ibook with a g4 12in logic board? I was just wondering because I came across a g4 logic board.
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Jan 15, 2008
I was just wondering if anyone could help me with this. the iBook that I just inherited from my aunt, (She got a new MB) was working yesterday, whenever the power shut-off on it. (It has a power issue on the logic board, and if it comes unplugged it dies, even though it has a new battery.) so she went to work, and attempted to power it on, it came up, and the apple was on the screen, and the spinner came up, nad it spun for a very long time, eventually the screen flashed, and turned blue, and the spinner came again. After around 15 minutes, she was given the kernal panic screen. She held down the power button, and restarted, only to come up with the old finder face, and a question mark. I rush over with my disc's, and load up the disk utility. It was repairing the disk, and about 3/4 of the way through, it had an error. So, I rebooted, and we got an apple, and it repeated the previous situation, and gave the blue screen, followed by a kernel panic. This time I ran the hardware test, and it says that the logic board passed, but there was an issued with the harddrive.
At first disk utility could find the hard drive, and it reported it as being a 2 TB drive!!!!!!! So I got suspicous about that, and after the hardware test, the computer was reporting that there was no hard drive in the computer at all. we know for a fact that the drive was either 50, or 80Gb's, (90% sure 80) My question to you is: Is this the hard drive that has gone bad, or, is it the controller on the logicboard needing to be replaced?
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Jul 17, 2009
I have an old iBook G4 with a dead logic board, everything works fine for about 10-15 minutes, then the display stops responding. The hard drive continues to spin, processor still chugs, etc. I'm going to leave it running iTunes in a few minutes and when it freezes, hit the space bar to see if the actual machine still responds. (In which case I would be sure that it's the video card, or some cable in that area.)
My question: I'm looking on eBay for replacement logic boards, and I'm wondering how specific/universal they are. Obviously, it needs to come from a 14" iBook, but does it matter what processor speed? Eg. Will a board from a 1.2GHz iBook work? I have the iFixIt guide, and I'm not too worried about wrecking the thing, so it's just a matter of making sure I get the right part. (How about this one: Linkety ?)
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Nov 4, 2006
After 3 days of contact with Apple support they have determined that even though they sold units with defective logic boards and the serial number of our unit falls in the range of units with the problem, Apple is not going to honor the replacement or prorate repair since the program expired in August...I thought only software houses used customers to beta test their products
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May 13, 2008
so i've got a system with a fried c2d board. i can pick up a cd board for $150 plus shipping which is good for me. to find a comparable replacement, i'm looking at ~350 and i'm just not feelin that price as im on a budget.
i'm not concerned about the speed decrease as im just trying to get this thing rebuilt.
i understand that there are different heatsink assemblys..vertical vs horizontal. however, i do not know how to tell the difference and i am also unsure whether or not my c2d heatsink will work on this board i receive.
the logicboard possess a t7300 c2d and model # is 820-2279-a, it appears.
i cant find anything on that model, except for on ebay.
and i totally cant find the serial number on this macbook. under the battery on the tray has no serial number listed, and i've read through this documentation [URL]
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Sep 19, 2010
Would it be possible to get a logic board with a 1.33ghz or faster processor out of a 12.1" G4 and swap it in to a G3? Are the parts even compatible? I know from building engines that certain years and parts are interchangable but I don't know about computers.
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Jan 6, 2011
thread or youtube walkthrough for removing a G4 MDD dual 867 logic board? (including how to remove the CPU daughter card).I have the heat sink off and all my RAM and PCI cards out,.
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Mar 6, 2008
I'm still working on this deal to buy a used 12" PB. The seller says that she just replaced the logic board, hard drive, and battery. Now, I see this as a negative. Obviously the computer was having problems, she spent a bunch of money fixing it, and is now selling it anyway. What do you think? Is it a negative that it had problems and needed to be fixed? Or is it a positive that it has a brand new logic board that will theoretically last longer than an original one?
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Jul 6, 2008
I bought my first Mac (iBook) last December. However, it is now dead from logic board failure. I was looking at Macbooks but they are very expensive, which is why I bought the iBook in the first place. So now I'm looking at 15" PowerBook G4. My question is: If having a G4 proves too difficult in the next few years (PowerPC compatibility and speed), could I put a logic board from a 15" MBP in the PB?
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Jul 30, 2008
I am thinking about purchasing this PowerBook and getting it fixed or reselling it. What do you think?
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Jun 26, 2009
As the title implies, I've got 3 year old G5 iMac sitting as a paperweight at my desk. At least half that time ago the logic board died and I was quoted a repair bill of around $900. I couldn't go with it, but I couldn't decide what to do with it either. I now have to get rid of it and since I know that this model had lots of issues with logic boards I'm hoping some of you will have some good advice.
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Oct 3, 2006
I am looking for a motherboard and possibly processor for a MDD g4 powermac. I need the 167mhz version, rev with dual firewire 400 ports. Also, possibly a dual 1.25ghz processor module. I have either a dead processor or motherboard in this machine and I am having trouble finding some used replacement parts.
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Oct 29, 2006
I've got a 900mhz G3 iBook that my wife uses. The logic board was replaced on it once already. It's really starting to act up again. I see Apple is still honoring their Logic Board switch out. What are the chances they'll upgrade it to a G4 or a macbook ? Has any recently sent there iBook in for a logic board replacement? How'd it go, how long did it take?
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Mar 3, 2008
My 17 inch iMac G5 1.8ghz seems to have died. For a while it's been refusing to power up and then powering up randomly but now it wont power up at all. I've looked on the logic board and reset the SMU etc but I can only get the first LED to light up. I think this means the logic board has died. Is it worth replacing the logic board and can it be done easily myself? Or should I just bite the bullet and pay out for a new alu intel iMac? I'm in the UK btw, any ideas on logic board prices?
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Mar 27, 2008
I'm obviously new with Power Mac G5. I have two different logic boards for a Power Mac G5. The EEE code and part numbers are as follows:
Logic Board 1:
EEE Code: SML
Part Num: 661-3585
Other Num: 630T6907 (I don't know what this number signifies)
Logic Board 2:
EEE Code: SMJ
Part Num: 661-3584
Other Num: 630T6906 (Again, I don't know what this number is for)
My question is this; what configurations can I use these boards as replacements in? I'm looking at 3 PowerMacs right now but none have matching EEE codes. I listed the EEE codes and the type of machine they are below.
PowerMac 1:
EEE code: Q5M
Single 1.8GHz G5, 1GB Ram
Power Mac 2:
EEE code: ROR
Dual 2.5GHz G5, 1GB Ram
Power Mac 3:
EEE code: Q6E
Dual 2.0 GHz G5, 4GB Ram, Bought in late 2003
So, if it is impossible to use these logic boards as replacements in any of the above mentioned systems, which systems are they actually good for? I understand there may be system bus speed differences for one. But is there some sort of reference for these EEE codes such as a table or chart? Or possibly a compatibility list or description table with features for each board?
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Sep 29, 2008
I have an emac, g4 with a bad logic board. Does anyone have any idea what it would take to replace this and the estimated cost?
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Jan 8, 2009
I picked up a 12" PB for 160 USD today. It had a bad battery and noisy and seemingly non functional optical drive, stock configuration. Looked like someone tried to open it up and failed to put back one of the hinge screws. I believe this is causing a green line (crimp in the video cable) on the screen. My question is: I have never replaced the optical drive on one of these. I bought this for a friend whose ibook died and he has a nearly brand new dual layer ATA superdrive in it that I can replace into the Powerbook. I knew this was daunting. Then I really just looked at the ifixit steps and yeah, you have to dismantle the WHOLE computer. There are 46 steps to replace the optical drive. Has anyone attempted this? I don't understand why you have to take out the logic board to get the optical drive out? On the upside, the near dead battery is eligible for the replacement program, so Apple is sending a new 125 dollar battery. Sorry I am rambling, just freaked at how much work it is to put a new optical drive in these things. Major surgery. someone on MR said they did it before.
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