Diagnostic Mode, My iPod Classic doesn't have a FW Jack

Hi,


I'm experiancing a problem with my iPod Classic 6th Generation. I beleive (due to some research) that it may have some bad sectors because it repetitavely crashes iTunes during sync on random songs. I tried doing it in small chunks but it didn't seem to make a difference.


I tried Diagnostic Mode and I have gotten to the point where it's at the Accessorize Test. It says on the screen;


LCD=2


FW_DETECT=0

USB_DETECT=1

Please plug FW


I beleive FW means Fire Wire but I have no signs of a Fire Wire jack. I've tried everything and I'm stuck on this part.


Any help appreciated, I just don't want to know if you're having the same experiances as me 🙂


Thanks,

Zach

iPod classic, Mac OS X (10.5)

Posted on Jun 10, 2011 8:56 AM

Reply
Question marked as Top-ranking reply

Posted on Jun 10, 2011 6:31 PM

Your computer might not have a FireWire port and even if it does, it's no use unless you have a FireWire iPod cable. Skip the test or reset your iPod and do manual tests, which in any case will be more informative.


Check your iPod with Diagnostics Mode

It's possible that your iPod's hard drive has started to fail. Take your iPod and place your right thumb on the centre SELECT button and your left on the top MENU button. Press down both thumbs for about 6 seconds until your iPod reboots. Immediately move your left thumb around to the rewind button |<< on the left and hold this down together with SELECT for a further 6 seconds. Your iPod should now switch into Diagnostic Boot mode. Press MENU for Manual Test, then select IO > HardDrive > HDSMARTData to reveal your stats. For comparison here is a sample of mine from 6th Generation Classic after I'd had it for about 2 years.

Retracts: 889
Reallocs: 12
Pending Sectors: 0
PowerOn Hours: 2202
Start/Stops: 894
Temp: Current 24c
Temp: Min 10c
Temp: Max 50c

Take a note of your results. When finished press SELECT & MENU for 6 seconds to reset the iPod again.


With modern disc drives sectors are no longer marked bad by a disc scan, if the SMART firmware detects a sector it has trouble accessing it will attempt to invisibly reallocate it to a spare area of the disc.


Note that I've only 12 remapped sectors and none pending. To help explain what the numbers mean here is an extract from the Wikipedia S.M.A.R.T.article:

Reallocated Sectors Count
Count of reallocated sectors. When the hard drive finds a read/write/verification error, it marks this sector as "reallocated" and transfers data to a special reserved area (spare area). This process is also known as remapping, and "reallocated" sectors are called remaps. This is why, on modern hard disks, "bad blocks" cannot be found while testing the surface – all bad blocks are hidden in reallocated sectors. However, as the number of reallocated sectors increases, the read/write speed tends to decrease. The raw value normally represents a count of the number of bad sectors that have been found and remapped. Thus, the higher the attribute value, the more sectors the drive has had to reallocate.


Pending sector count
Number of "unstable" sectors (waiting to be remapped, because of read errors). If an unstable sector is subsequently written or read successfully, this value is decreased and the sector is not remapped. Read errors on a sector will not remap the sector (since it might be readable later); instead, the drive firmware remembers that the sector needs to be remapped, and remaps it the next time it's written.

Large numbers of Reallocs or Pending Sectors would suggest your drive is failing and that you may need to repair or replace your iPod. Check your stats after another attempt to update your iPod. If the numbers increase that again points to hard drive failure. While it won't be good news at least you'll know it isn't some random software problem and you can decide what to do next.


tt2

104 replies

Jul 8, 2011 6:27 PM in response to turingtest2

TT2,


I performed the diagnostic and here's what I get and it's not what I expected:


Retracts: 0

Reallocs: 0

Pending Sectors: 0

PowerOn Hours: 6

Start/Stops: 9

Temp: Current 26c

Temp: Min 22c

Temp: Max 34c



I've had this Classic since Sept 2007 and I've used it a lot so I'm surprised at the results, to say the least. I've never had any problems with this iPod and it's got over 30,000 songs on it. Any ideas why I get these results? I'm not too worried because of my lack of problems but I'm still curious.


Thanks,


CDJunkie

Feb 13, 2012 11:55 AM in response to turingtest2

I have a similar problem with my IPod 6gen 80gb. I bought it second hand and it worked fine for a year, but today I dropped it. It wasn't high or anything but after that it turned really slow. It still plays most songs, with others it loads for a while and then skips. If i connect it to my PC it will show the ipod in my computer, but I can't do anything with it. And PC goes really slow. Itunes won't recognize it, floola won't, I can't open the Ipod from my computer or even right click the icon. Also the Ipod now shows i have only 200MB of free space, but I had like 40 GB before and everytime I disconnect from the PC the Ipod restarts and goes to original settings.

On top of all that the hardrive started making a lot more noise, similar to normal but repeatedly and sometimes a high pitch buzz.

A lot of details, but I just wanna be precise.


I did the diagnosis:


Retracts: 9

Reallocs: 72

Pending Sectors: 72

PowerOn Hours: 225

Start/Stops: 12783

Temp Current: 27

Temp Min: 5

Temp Max: 54


I've got a bad feeling about this....

Mar 18, 2012 1:28 PM in response to turingtest2

Ok, suspected faulty HD? Could it be a logic board causing the issue? See below.


Ok so initially i was having a problem with my ipod and lack of sound in one earphone. Checked different earphones and still same problem.


Bought a new back plate with audio jack and battery in etc and installed. But in doing so broke the connector attaching it to the logic board. worked ok for a week but eventually failed. Suspected due to logic board so bought a new one and installed.

after new logic board installed everything was working fine, sound in both ears, but ipod was operating abit slower than usual and would randomly freeze during songs and then continue playing again.

Im assuming its the logic board rather than the hard drive as the hard drive was working fine before new logic board was installed.


Thanks for your advice

Mar 21, 2012 5:27 PM in response to ZUsher

my numbers:

Retracts; 1

Reallocs: 0

Pending Sectors: 296

PowerOn Hours: 23

Start/Stops: 4514

Temp: Current 29c

Temp: Min 14c

Temp: Max 53c


My ipod classic is only a year old!! I live in saudi Arabia... so could hot temperatures affect this? I have a mac book pro and when i plug my ipod in the ipod says that it is connected but when i look at my computer it doesnt show up! and it doenst show up in itunes either!!! WHAT should i do!!?? The ipod plays perfect i can listen to music and charge it I just cant add new music because it wont show up!!!

Apr 28, 2012 10:04 AM in response to turingtest2

hi

i did the manual diagnostic on my ipod classic 20gb 4th generation

it shows that


retracts - 381

realloc - 253

pending - 663


the HDD scan - says PASS 19gb


when i try to format/erase the disk using my mac - it say either teh disk is not mountable in FAT 32 format, or no STAT disk in mac os extended format.


i dont know whats going on, can you guide me .


cheers

May 31, 2012 3:02 PM in response to turingtest2

Ok so I ended up on this page and ran the SMART test and these were my numbers...


Retracts: 201

Reallocs: 1023

Pending sectors: 74

Start/stops: 19029


I ran this because my iPod is 30Gb but is only allowing me to put 2.4Gb of music on before giving me Error(-69). Any tips..? or is this the end of my 30Gb iPod being a 30Gb iPod...and instead it being a 2.4Gb iPod...

May 31, 2012 4:09 PM in response to Corey5390

Try the formatting fix from earlier in this thread. This should release the pending sectors. If the drive is stable then a full format should map out all of the bad sectors, and once done a restore should be successful. If the computer bogs down completely, or you still can't get any media on to it afterwards then I guess it's time to call it a paperweight.


tt2

May 31, 2012 4:45 PM in response to turingtest2

Ok, well if you're talking about doing the steps on the methodshop.com link I've already done them, countless times. The thing that annoys me about it is that it was holding 1600 songs, and then I decided to reformat and restore the darn thing so that I'd have a "new ipod", and now it cant take more than 480. On a separate note, I do not have the option to run a "HDD Scan" in the iPod diagnostics, its a 30Gb video iPod, and I'm kinda confused as to why. I may have tried to run one awhile ago but quit and am wondering if thats some of my problem. Does any of this seem plausable?

Jun 1, 2012 8:54 AM in response to ZUsher

TT,


Need help. IPod Classic 120GB, makes a crackling sound. Ran the test here are my numbers:


Retracts: 255

Reallocs:352

Pending Sectors:269

Poweron hours: 199

Start/Stops: 6746

Temp: Current 33c

Temp: min 4c

Temp: max 49c.


Not sure what all this means. Powered off and got the message to restore. "Use Itunes to Restore". Well, I have no clue how to do either. Please help.


Thanks.

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Diagnostic Mode, My iPod Classic doesn't have a FW Jack

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