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mac-machine
Member
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Posted: Tue Oct 31st, 2006 04:31 pm |
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I was trying to determine if I can just send in my Processor board for repair or if I have to ship the whole unit.
As a producer of upgrades I would think you have the ability to test processors, however, the person I spoke with told me I would need to ship the whole unit as there was no way to test without it.
I have 2 processors for my Dual 1GHz QS;
one has bad cache (POST 16/64 error)
and the other KP's randomly and logs errors for CPU1 (this one will run for days looping the AHT or Mac Test Pro and not show any error, drove me crazy for 2 months trying to figure it out. I had an Apple shop check it too, with same conclusion. I did replace the Logic Board just to make sure that wasn't the issue).
I would like to get one of them working again without putting too much $ into it, as I've already accquired a "spare" logic board.
Daystar seems to be one of the few places that list R&R service for CPUs (DT&T is hopeless and haven't heard of anyone having success with Galaxyhp either).
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Gary
Administrator
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Posted: Tue Dec 5th, 2006 10:23 pm |
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| Daystar can do the R&R. You are corrrect though, we do not have a QuickSilver lying around for a test unit... you would need to send your system.
____________________
Gary Dailey
Daystar Technology
http://Daystar-Tech.com, http://Daystar-Store.com
email: gary@daystartechnology.com, chat: garydailey@mac.com
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mac-machine
Member
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Posted: Thu Dec 7th, 2006 03:45 am |
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Thanks Gary, confirmation from the top dog works for me. Looks like my QS will be going down to GA for a bit.
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kctipton
Member
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Posted: Thu Feb 8th, 2007 12:38 am |
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Hello,
This is the only place on the net I could find something in English about the post/16/64 error detected by the hardware test disc.
Did you guys ever determine for sure that the logic board was at fault here? If so, my G4 tower needs the same repair.
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mac-machine
Member
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Posted: Thu Feb 8th, 2007 01:31 am |
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POST/16/64 is a processor cache error, according to Apple.
I found it in an Apple error code listing, I looked for a very long time too.
Daystar is the only place I've found that lists BGA processors repairs.
I've discovered that one of the two processors I have is actually good, not the one reporting the POST error.
In my case it appears to have been a bad Power Supply, I believe that one of the processors was not getting the voltage/power it needed and the system expected and that caused the Kernel Panics I was getting (CPU 1 errors).
Last edited on Thu Feb 8th, 2007 01:33 am by mac-machine
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kctipton
Member
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Posted: Thu Feb 8th, 2007 02:10 am |
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Sooo, what did you do to fix your problem?
And, should I be wanting that post/16/64 error fixed?
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kctipton
Member
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Posted: Thu Feb 8th, 2007 02:13 am |
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If you would share where you found the apple documents re: post/16/64 you'd be doing the world a favor. I get a _lot_ of hits on my blog for that search term. People all over the world come to my blog apparently hoping I can explain the error.
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mac-machine
Member
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Posted: Thu Feb 8th, 2007 01:34 pm |
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kctipton wrote: Sooo, what did you do to fix your problem?
And, should I be wanting that post/16/64 error fixed?
I replaced the Power Supply and have run through all the steps that used to generate KP's in the past and have had none.
I replaced the PS because it started emitting a high pitch whine and eventually died.
Once it was replaced I noticed that the "Flurry" screen saver was no longer causing KP's. So I tested the other processes that had caused KP's in the past and have had none to date, since Dec 14th.
Again this was on my second processor not the one reporting the POST/16/64 error.
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mac-machine
Member
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Posted: Thu Feb 8th, 2007 01:36 pm |
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kctipton wrote: If you would share where you found the apple documents re: post/16/64 you'd be doing the world a favor. I get a _lot_ of hits on my blog for that search term. People all over the world come to my blog apparently hoping I can explain the error.
I will try to dig it up again, I hope that I saved a copy some where. I looked for 10 months before I stumbled upon it. I will post here when I locate the information.
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Gary
Administrator
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Posted: Thu Feb 8th, 2007 03:58 pm |
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mac-machine wrote:
kctipton wrote: If you would share where you found the apple documents re: post/16/64 you'd be doing the world a favor. I get a _lot_ of hits on my blog for that search term. People all over the world come to my blog apparently hoping I can explain the error.
I will try to dig it up again, I hope that I saved a copy some where. I looked for 10 months before I stumbled upon it. I will post here when I locate the information.
The error commands are based on Apple Hardware testes. Any Apple Service Provider can provide the diagnostics as needed based on the system and hardware diagnostics uses.
For example: AHT 1.25 has two codes...
post/16/X YYYYYYY which is actually a RAM problem.
a) Reseat DIMM(s) YYYYYYY and retest
b) Replace DIMM(s) YYYYYYY
c) Replace Main Logic Board
and, post/16/X
a) Replace Processor Board
b) Replace Main Logic Board
____________________
Gary Dailey
Daystar Technology
http://Daystar-Tech.com, http://Daystar-Store.com
email: gary@daystartechnology.com, chat: garydailey@mac.com
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kctipton
Member
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Posted: Thu Feb 8th, 2007 06:09 pm |
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Hahaha, this sounds too hard for the CompUSA dudes to fix (they're the only people nearby who work on Macs).
Well, I'll print out this thread and take it with me when I get this authorized for repair.
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mac-machine
Member
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Posted: Fri Feb 9th, 2007 01:38 pm |
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Gary wrote:
The error commands are based on Apple Hardware testes. Any Apple Service Provider can provide the diagnostics as needed based on the system and hardware diagnostics uses.
For example: AHT 1.25 has two codes...
post/16/X YYYYYYY which is actually a RAM problem.
a) Reseat DIMM(s) YYYYYYY and retest
b) Replace DIMM(s) YYYYYYY
c) Replace Main Logic Board
and, post/16/X
a) Replace Processor Board
b) Replace Main Logic Board
Thanks Gary, I'm pretty sure that's similar to what I found in Apple's KB (I have access to Apple KB via our Service Account at work).
There was a foot note or something that gave the X=64 as being a cache issue specifically. I may also have gotten this from Dr. Smoke over at "The X Lab", I'll check some older e-mails too.
In any case, for the post errors without extended numbers, Apple points to the Processor first. The Processor is usually the last item they list to replace.
KC - I'd put the codes Gary listed above on your Blog, they at least give you an idea of what area to focus on to resolve the issue.
Last edited on Fri Feb 9th, 2007 01:39 pm by mac-machine
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mac-machine
Member
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Posted: Fri Feb 9th, 2007 02:22 pm |
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As a follow up to the other "processor problem" I had, the one with random KP's, I have posted this in the Apple Forum and will also link from other forums that I am a memeber of:
http://discussions.apple.com/thread.jspa?threadID=848866
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Gary
Administrator
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Posted: Sat Feb 10th, 2007 03:28 pm |
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mac-machine wrote:
As a follow up to the other "processor problem" I had, the one with random KP's, I have posted this in the Apple Forum and will also link from other forums that I am a memeber of:
http://discussions.apple.com/thread.jspa?threadID=848866
The XLab has a great FAQ for Kernal Panics on Macs... A must read:
http://www.thexlab.com/faqs/kernelpanics.html
____________________
Gary Dailey
Daystar Technology
http://Daystar-Tech.com, http://Daystar-Store.com
email: gary@daystartechnology.com, chat: garydailey@mac.com
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kctipton
Member
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Posted: Sat Feb 10th, 2007 10:34 pm |
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I found a thread on apple.com which wasn't around last time I tried to figure it out: http://tinyurl.com/ytuslr
The answers largely repeat what's found here, but for thoroughness I thought I should add it.
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kctipton
Member
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Posted: Tue May 15th, 2007 01:25 pm |
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As the warranty was running out, I got approval to get the post/16/64 thing repaired. A new processor (both were replaced, I think) has made the error message go away.
I notice that the computer is much less sluggish now (loading multiple windows, iTunes database, etc.). And, I hope there will be many fewer errors requiring Disk First Aid and other troubleshooting.
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mcdermd
Member
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Posted: Thu Jun 12th, 2008 01:40 am |
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I have similar problems on a dual 1ghz G4 Quicksilver processor. Kernel panics on loading the OS, when it does boot, it only shows one processor in Activity Monitor and a POST/16/64 error in AHT. Everything works fine, albeit slow with a single 500mhz processor (clocking at 667 on the 133mhz bus).
Is this a problem with the BGA for the cache or processors? Or is this a case where the cache or processor chips require replacement? I guess what I'm looking for clarification on is this usually a simple $100 reflow or does it usually require chip replacement also?Last edited on Thu Jun 12th, 2008 01:41 am by mcdermd
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