Houndawg

I had heard that SanDisk SD cards were bad to suddenly lose data. I thought that people who saw that error were just not handling the Axim right. And I laughed.

But, last night, after transfering some data from my work computer to my Axim to work on at home, the beast bit me. Imagine my supprise when I turned on the Axim & was asked if I wanted to re-format my 128M card, that had about 60M of data on it. Of course I said no. And I laughed (quieter).

Then my Axim got smart. The memory software said I had 2 SD cards in the Axim (couldn't figure out where the other one was) and neither was valid. And I stopped laughing.

I did wind up re-formatting the card. It wouldn't work any other way. I lost all that data.

I'll file this in with the "Turn-on-the-Axim-before-placing-it-in-the-dock-if-you-like-your-installed-programs" lesson that I learned.

I'm not laughing.

cmms_axim

ya that sucks. I had a sandisk that i eventualy got an rma for and then sent to my mom. Now i have a simpletech 256 works great!! no problems. I never turn my ax on before I put it in the cradle. not anymore. sandisk cards are really faulty.

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CMMS_AXIM

My Setup:
X5 Advanced PXA250 (had it for a while) 400mgz
ROM A05
256MB Simpletech SD Card
Truemobile WiFi Card
Rhino-Skin Aluminum Case
Belkin Clear screen overlay
Update from dell my mm2003 shipment has been delayed until 9/19!!! Still Waiting....

Jefefef

What's this about not turning it on before putting it in the cradle?

Welcome to aximsite Houndawg!

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bakergm

Is the problem still happening with WM2k3?

Just wondering.

EJB

As far as I can tell, this issue has been resolved in WM2003. I' m using my 256mb Sandisk without problems now.

Howard2k

The main culprit was the 128MB card..

EJB> Are you saying that you were having problems before under 2002 and are not under 2003 with the same Axim and same card?

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whitelyt

Quote:

Originally posted by Howard2k The main culprit was the 128MB card.. EJB> Are you saying that you were having problems before under 2002 and are not under 2003 with the same Axim and same card?

Wow, that really bites. I have a 128MB Sandisk SD card that I've used for four months now without a problem. That's not to say that this cannot happen to me. I am curious to know how long you used your card before it started giving you problems.

Howard2k

I used mine in my camera for a week or two and then it caused problems. So I threw it in the Axim and started doing some heavy reads/writes and was able to make it fail within 2 hours.. replaced it with another scamdisk and for general use it was fine for about 2 days. Then started giving the odd problem. So more heavy reads/writes and it also failed. Replaced it for ANOTHER scamdisk and started straight into the reads/writes. Within 3-4 hours it was toast. Replaced it with a Lexar and ran the same tests for a good 6-7 hours. No problems. Been fine since.

Is your Scamdisk made in Japan or Taiwan?

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whitelyt

Quote:

Originally posted by Howard2k Is your Scamdisk made in Japan or Taiwan?

My "scramdisk" cards say China on them.

I have not had any problems with my cards and I using them everyday.

Hmmmm, is yours Taiwan?

Howard2k

Mine were all Taiwan from memory. Might have been China. I know it wasn't Japan. Apparantly some of the newer Scamdisk cards from Japan are better..


To give you an example of the problems I would copy files up there and they would not show up in the directory listing, they'd just take up space... Or folders would dissapear etc. I could be playing an MP3 and it would all of a sudden crash out with errors. I'd go take a look and the file would be gone..

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Astounded EEG

Sandisk does not make SD memory in Japan. It does all manufacturing in Taiwan or China. the new "NS" series of cards is better, but i have no idea how common they are. they are still made in Taiwan or China.

one japanese SD card was reported but never confirmed. even if it's real it's about as relevant to us as the Loch Ness Monster.

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2x SimpleTech Bonzai USB2 mini-drive/SD card reader
2x Lexar 1GB (Non-Hi Speed!) SD (USA): write speed = 5.5MB/sec (37.5X) Space avail. (formatted) = 975MB
1x SimpleTech 512MB SD (Taiwan?): write speed = 5.3MB/sec (36.4X)...... Space avail. (formatted) = 489MB
RMA'd: SimpleTech 512MB SD (Japan): write speed = 3.9MB/sec (26.6X)... Space avail. (formatted) = 491MB
Sold: Viking 256MB SD (Taiwan): write speed = 1.5MB/sec (10.2X)........... Space avail. (formatted) = 241MB
Sold: Viking 128MB SD (Japan): write speed = 1.5MB/sec (10.2X)............. Space avail. (formatted) = 120MB

Chrissss

I can't guarantee what I'll say here is true...just my observations re: SD card problems.

I think the issue with some cards is that when you "delete" a file the card isn't releasing the space back properly. When you delete a file it doesn't clear the data, it just drops the files association within the cards file stucture.

When I've deleted a file I've run an "Analyze" from the Defrag screen of StorageTools. It finds that file space as "fragmented" and requires a defrag.

The free version of StorageTools doesn't let you defrag unless you register it, so I haven't yet run the defrag to see for sure if it cleans it up properly, but I assume it does so.

The only time I've had a problem with my SD cards is if their nearly full, then some files are deleted, then I try to write to it.

Chris...

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