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Powerbook G4 Ram Slot Not Working
Sometimes the problem can be fixed by a zap of PRAM. Then I wanted to update the memory to it's max, which is 2gb! You can opt to use it that way and spend nothing on repairs, as many other people with bad lower RAM slots have done. I had a client with two 500mhz TiBooks with the problem. navigate here
Thanks [ Reply to This | # ] A fix of sorts for PowerBooks with lower RAM slot issues Authored by: ash7 on Mar 04, '08 08:41:06AM Not so sure this Loading... Evgeni Meirson 50,876 views 1:04 How to resolve issue where unused RAM slot will not recognize RAM - Duration: 1:48. This discussion is locked Maria Casafrancisco Level 1 (0 points) Q: Those with the dead lower RAM slot? https://www.cnet.com/news/powerbookibook-lower-ram-slot-failure-revisited/
faulty module)? Or, individually replacing just the logic board, for closer to $700. Open Menu Close Menu Apple Shopping Bag Apple Mac iPad iPhone Watch TV Music Support Search apple.com Shopping Bag : CommunitiesSign inPostBrowse discussionsContact SupportSearchCommunitiesContact SupportSign inContentPeopleSearch Support CommunitiesNotebooksPowerBook Please enter a
And i believe that same will happen either using the hint described above. Anti-malware/virus software... Obviously some % of "broken" PB will become even more "broken" after this fix. This is usually done by pressing the Command-Option-P-R keys while you turn on your computer until the start sound chimes again.
These symptoms may only occur intermittently. Feb 17, 2008 7:32 PM Helpful (0) Reply options Link to this post by dgalvan123, dgalvan123 Feb 18, 2008 3:45 AM in response to BGreg Level 1 (50 points) Feb 18, When both SO-DIMM memory slots are filled (populated), only one slot's memory is recognized. If you find his articles helpful, please consider making a donation to his tip jar.Links for the DayMac of the Day: PowerBook 5300, introduced 1995.08.25.
More than a year after the issue was reported, Apple began offering the "Memory Slot Repair Extension Program" (as reported here). Has anyone actually gone in and had apple repair it through the warranty program I mentioned? Topics covered including: What is the PowerBook G4 (15-inch 1.67/1.5 GHz) Memory Slot Repair Extension Program? Low End Mac, LowEndMac, and lowendmac.com are trademarks of Cobweb Publishing Inc.
- The third line encodes the two lines above together on the stack.
- You need to use the sizes above to map your RAM to relavent address space.
- Letters may be edited for length, context, and to match house style.
- And there was nothing that I could do to repair that piece of plastic.
- So unless you feel like you're aren't able to do what you want with this computer, it may be an adequate machine to get you by until a MacBook is feasible.Good
- Other just won't take anything.
- All rights reserved.
I think you would do the Mac community a service to bring this to the attention of your readers again. https://www.ifixit.com/Answers/View/48026/Lower+memory+slot+failure. Working... Category How-to & Style Licence Standard YouTube Licence Show more Show less Loading... I would though call AppleCare if you have the problem and the article I mentioned earlier in the thread does not apply to you.
Can I determine if my PowerBook G4 (15-inch 1.67/1.5 GHz) has the component issue and fix it myself? macrecyclingcom 169,558 views 8:26 PowerBook G4 Fixed! - Duration: 4:06. My background in electronics began when I was 14 and soldering printed circuit boards. his comment is here evanthehunter 9,164 views 2:25 Trash-Picked Macintosh PowerBook G4!!! - Duration: 20:01.
Also, make sure the modules are of the same specs, because often the machine will reject one module if the two are different.I would try resetting the PMU before doing a Transcript The interactive transcript could not be loaded. Sign in Transcript Statistics 7,099 views 8 Like this video?
I just got one from the kitchen and tried to make it fit, and… it worked perfectly!
Now if some of "Open Firmware" experts can tell us how to make this change permanent so it survive reboot. --- Andrei Tchijov Leaping Bytes, LLC [ Reply to This | this is an example of how i mapped my powerbooks memory modules to address space.0> 0 encode-int 10000000 encode-int encode+2> 10000000 encode-int 40000000 encode-int encode+4> encode+2> " reg" delete-property2> " reg" Comment on this posting... But it does work wonderfully on my wife's PB.
But I just went to the "genius bar" tonight and they swapped my 1GB card which was in the lower slot and replaced the 512MB card that was in the uppper Comment on this posting... This looks like it is due to a manufacturing defect, but it *does* mean that if the RAM is not seated *just* right, it does not read properly. weblink I have found a workaround for the problem, though not quite a full solution (as it won't survive a reboot).
Hide Question All replies Helpful answers Page 1 Next by Warren Allen1, Warren Allen1 Feb 13, 2008 12:17 AM in response to Maria Casafrancisco Level 1 (25 points) Feb 13, 2008 The last three letters of your serial number will tell us your exact machine. Finally, the last line starts the boot process for my Mac. i hope this information is of use to someone more tech savvy.
Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic i had performed a hdd replacement prior, my powerbook was dead prior to this for a couple of weeks. If it is improperly seated and turned on, it may not turn on at all, or may issue some warning beeps and turn off, or flash the sleep light and turn The problem is that when the system allocates more memory into an application -i assume more than a half of the total ram, the system collapses into a kernel panic.
That something both rigid and flexible enough and also long enough turned out to be… a toothpick. The 8-Bit Guy 551,923 views 8:05 Steve Jobs Insult Response - Duration: 5:18. While not necessarily a solution for everyone with the problem, I hope this information helps someone out there. to attempt to make more people aware of this problem....
Sign in to add this video to a playlist. It's worth a try if you have the old original chips lying around. I found everything very helpful and informative! It's kind of hard to make a claim based on manufacturing defect four years after the fact.
It won't break any time soon, and there's nothing that will cause it to move. however, doing the nvedit stuff isn't working. Do this by holding Command-Option-O-F just after the system chimes during the boot process.