The first line loads the location of my first memory module onto the Open Firmware stack. Doing Disney! Symptoms of an affected PowerBook G4 include: The computer does not start up; instead, there are three short beeps (typically) followed by the the sleep LED flashing periodically. bobesch, Jul 13, 2016 bobesch thread starter macrumors 6502 Joined: Oct 21, 2015 Location: Kiel, Germany #6 Dronecatcher said: ↑ I had a 15 with the bad slot years ago - weblink
But the "psychological" factor and the "good" price I've paid made me sending the PB back... This is most likely why Apple will NEVER release a firmware patch ... Anti-malware/virus software... If the screen turns white, you are too late, or for whatever reason it's not working.If none of that works, I'd power on holding down the option key.
The slot is part of the logic board, and replacing the logic board is the Apple solution, and you've been quoted $327 for that service. Anyone here running a PB 15" with 2Gigs RAM at all? Anonymous form close (x) Front Page Mac Blog iOS Blog Roundups AirPort Apple Car Apple Deals Apple Pay Apple Stores Apple TV Apple VR Project This does mean that the RAM cover does not go on, but in this fashion I can run with both memory slots filled.
However, the Mac still will not recognize the lower DIMM if there is memory in both the upper and lower slots. share Share on Twitter Share on Facebook Email Link Like + Quote Reply Xandros, Jul 31, 2016 Xandros macrumors regular Joined: Sep 19, 2010 #20 Could be the actual module. It's the RAM-module. 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
I doubt I would do this as a solution as a tech, but rather inform the customer of the potential "jigger".This really should be addressed by Apple now that someone has Eventhough, Apple has read this post, and found a solution to it (that is, a firmware upgrade), I believe they are faced with even bigger problem before its release: "What should An iPhone Knockoff So Good It's Probably Being Mad... More Bonuses Template images by Spiderstock.
share Share on Twitter Share on Facebook Email Link Like + Quote Reply Lastic likes this. Failing that, try switching the slots in which your modules are installed. This was solved by a third party who created a Flash Player plugin that runs YouTube at 360p with no issues at all, full-screen and windowed mode. I have an old Powerbook G4 that I used to use with UStream but it requires Flash, which now gives a "must upgrade plugin" error when it tries to load.
There's an auction for a 1.67 GHz PB next to my place. https://www.ifixit.com/Answers/View/48026/Lower+memory+slot+failure. share Share on Twitter Share on Facebook Email Link Like + Quote Reply bobesch, Aug 3, 2016 bobesch thread starter macrumors 6502 Joined: Oct 21, 2015 Location: Kiel, Germany #22 bobesch Read on for this user's workaround to the memory slot recognition issue...]As I said, my PowerBook was physically detecting the RAM in Open Firmware, but simply not mapping it to any share Share on Twitter Share on Facebook Email Link Like + Quote Reply Dronecatcher, Jul 13, 2016 Dronecatcher macrumors 65816 Joined: Jun 17, 2014 Location: Lincolnshire, UK #9 Hrududu said: ↑
Comment on this posting... Another thing to note, seating of the RAM on these models is very sensitive. It appears that the 1 Ghz through 1.67 Ghz Powerbook G4s have a certain bus slewing issue which even slightly out of spec RAM will cause problems. check over here eBay Seller Strike ineffective and YOU don't care!...
Loading... Perfect companion to my 12"PB (which now sports a nice Snoopy & Woodstock @ campfire sticker so that I don't mix them up ). sourav Aggarwal 128,533 views 2:19 Memory Upgrade----PowerBook G4 - Duration: 4:33.
This leads us to believe that Apple does not know how to permanently fix this problem, or does not want to allocate the funds to do that. I'm not sure that absence of rough usage can be counted on to prevent what is apparently a manufacturing defect. Please consider making a donation so I can make the site better! I could be wrong but, that would be my guess.
That module is probably high density. Vantage Point: What Is That Music From The Vantage... I just discovered that my Mom's PowerBook is also defective.... http://brsgrp.com/powerbook-g4/powerbook-g4-usb-not-working.html in this case it starts at address space 0 and is 10000000 (256mb) in size. the second loads my second memory module onto the stack starting at address 10000000 (directly after
How long is the PowerBook G4 (15-inch 1.67/1.5 GHz) Memory Slot Repair Extension Program available? But when the system memory exceeds 512MB and tries to write to the otherwise non-functional lower module, the system freezes - because it can't. Please type your message and try again. Stay logged in Please select a forum to jump to News and Article Discussion MacRumors.com News Discussion Mac Blog Discussion
This is my first Mac computer so I'm taking everything very slow, trying to understand and learn a new operating system! And it has all additional stuff included (except from the box). Comment on this posting... faulty module)?
I think you would do the Mac community a service to bring this to the attention of your readers again. I've identified a third-party repair service that will repair your existing logic board for $250, if you prefer to go that route. Answer this question I have this problem too Subscribed to new answers Is this a good question? This may be different to what others are experiencing so your mileage may vary. [robg adds: Note that this hint involves the use of Open Firmware, and you could permanently damage
So I don't know what else to do??