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1 gig sd memory card only loads half full

by dustmeister / January 1, 2007 1:26 AM PST

I have tried two different brands of 1 gig sd memory cards in three different computers, two with xp and 1 with 2000 pro. always at half full, message: destination drive full, please insert another disk to continue. but when click on that drive in win expl, it showes only half full. Thanks for any help!

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Did you make a subdirectory or folder?
by R. Proffitt Forum moderator / January 1, 2007 1:33 AM PST

If not I bet the top or ROOT directory is full. Which means no more files even if there is space.


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by dustmeister / January 1, 2007 1:43 AM PST

Thanks, will try that. Happy New Year!

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Did that work?
by mileskl / January 12, 2007 8:35 AM PST
In reply to: reply

I've got the same problem you described, but I do not see anything in the root.

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Then that one is dead.
by R. Proffitt Forum moderator / January 12, 2007 9:58 AM PST
In reply to: Did that work?

If there is nothing in the root and it won't format, it's dead.


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Surely not
by mileskl / January 12, 2007 1:06 PM PST
In reply to: Then that one is dead.

I have 3 brand new 1 gig SD cards. One of them is a 150X card. They all do the same thing. Surely they're not all dead. I haven't tried formatting them. Maybe that will do it.

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Remember I only have your words to work with.
by R. Proffitt Forum moderator / January 12, 2007 1:17 PM PST
In reply to: Surely not

Unless you rewrite what you've provided, there's something dead.


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SD Memory card capacity...
by Thomas L Clements / March 3, 2008 7:05 AM PST

Bob, I've been impressed with your answers and experience. I would like to challenge you one more. I am computer literate and can think in computer terms or at least visualize the concepts. Certain current developments in the field though I'm not up to par on. ... I'm trying to store music files, mostly *.wma onto a 2GB SD card. I can fill the card up to something less than 1MB without a problem and the Properties of the disk show the appropriate size allocated. The problem though comes later, usually after the disk is appropriately removed and then plugged back in. The properties have read ok (last time) and been reduced previous tries of the same. When I look at the contents of the disk I find some files and folders with their names & info all messed up if not missing altogether. I have formatted the disk and others that I've tried the same on and recopied the files from my hard drive just to end up with the same problem. While copying manually or checking immediately after the process is done; I am able to see everything just fine. It's when I come back to it later that I run into the problem. --- update, I checked and with 3 cards each of the same brand bought together they say their size is the same. The one card I put data on of those 3 is maintaining it as would be expected. The 4th card, also a 2GB, is generic as far as I can see on it. It comes up with a total capacity of about 5MB more than the others say and it is the one I am having problems with. In fact it is the replacement for another one of the same that I had the same trouble with. I assume from the way it is reacting that the memory capacity readout is suggesting that memory allocation due to size reported is the problem. - Sorry this is so long. What might you know about this and a way to fix the problem if there is a way? Would stopping short maybe 10MB of filling the disk be safe for the data stored or would it be susceptible to the Random part of RAM? Thanks, Tom.

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format the card to determine its the true capacity
by ramarc / March 3, 2008 8:58 AM PST

it won't be the first time i've seen cheapo brands lie about their capacity. also make sure you haven't allowed windows vista use the card for readyboost. and remember that a fat formatted drive has higher overhead if you put lots of small files on it.

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What about Fat & Fat32...
by Thomas L Clements / March 4, 2008 2:31 AM PST

After I had exhausted my cpability to think anymore and submitted my note, I remembered about the Fat & Fat32 formats that I had dealt with. When formatting with Fat or Fat32 the size on a single disk remained the same and visibly unchangable, although it was different from the size on the other disk. I read the help about the formats and expected some kind of resulting change equal to what you mentioned. I also noticed that on the messed up disk that approx. only half of the copied files are listed present with the addition of Norton's Recycled folder and the found.000 folder. Noorton isn't present on the other SD and still works fine on my PC. Is this disk possibly being treated as a permanent disk with need of changes in my bios? Not long ago I did have another hard drive in my system. Most if not all of those settings are on automatic, but you never know. I am working with a current Windows XP Pro OS. NTFS hasn't been a factor. After previously working with Win NT 4.0 I know that it is out of place here. I am trying to prepare an SD disk for my son's mp3 player to put this into context. I also use these same disks on my own Canon Powershot S2 IS Camera and as travel memory sticks with the readers as needed. Thank you Bob & Ramarc for your responses. I am hoping to be able to reformat, resize, or reconfigure the disk that is larger. I failed to mention that this last copy session I did placed the same amount of data (copies) to both so my hoping that setting a lesser max amount to put on the larger one as being a solution doesn't seem feasible. One last note this letter, I did buy the disk with a free reader as an incentive from someone on buy.com. I later found out it came from Hong Kong. I feel I shouldn't be alarmed by that but when investigating problems every detail matters and can be the final piece to the puzzle. Thanks again, This a first and I didn't expect this good of a return. Anything more with these added details I would love to hear from you. Tom.

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SD Card losing files...
by Thomas L Clements / March 8, 2008 1:27 PM PST

There are about 400 files averaging about 5MB each. Would using FAT32 instead of FAT take care of the problem if that was where the problem was? The disk was sent to me from Hong Kong and looking at the consistantly messed up files with their changed sizes and dates appears like it could be a bad/incorrect internal language setting could be causing the mix up. Is there any chance of that? The problem has so far proved to be disk specific but it is hard to tell for sure.
Thanks, Tom.

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There are some issues with..
by R. Proffitt Forum moderator / March 3, 2008 9:21 AM PST

Some card readers out there. One of my hardest working and nice laptops has issues with cards over 2GB. I've been told of a fix but have postponed it till a current project ends.

Your issue almost sounds like the old Norton trash issues or some shadow copy software. Sorry but I'm stumped here.


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this works
by think_I_know / December 27, 2008 11:40 AM PST
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