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Thread started 07 Nov 2011 (Monday) 00:11
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5d II, slow transfer rate, some files corupt?

 
lancebroad
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Nov 07, 2011 00:11 |  #1

Hi, I wonder if anyone has experienced this before.

I import my files via a CF card reader, the transfer rate is pretty slow and takes about an hour to move 300 files. Then some files double up, one shown as a normal CR2 file, one as if there is no data in the file.

I formatted the card again, to no avail.

The card is a sandisk 8GB 60mb/sec
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tzalman
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Nov 07, 2011 03:37 |  #2

Desktop or laptop? My ancient card reader, USB 1 I think, is that slow, but using an adapter to the PCI slot on my laptop I can copy about 80 5D2 CR2s in a minute.


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lancebroad
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Nov 07, 2011 03:45 |  #3

Desktop. So what sort of adapter is it?

Its a USB 2.0 device so yeah


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tzalman
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Nov 07, 2011 04:13 |  #4

lancebroad wrote in post #13364418external link
Desktop. So what sort of adapter is it?

Its a USB 2.0 device so yeah

CF to Express Card, but I've never seen an Express Card/PCI slot on a desktop, that's why I asked. So not much help to you, sorry.


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tonylong
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Nov 07, 2011 12:44 |  #5

lancebroad wrote in post #13364418external link
Desktop. So what sort of adapter is it?

Its a USB 2.0 device so yeah

Is the card reader a built-in card reader or an external one?

USB 2.0 readers can vary in their speeds, so trying a newer model could help, and make sure you get a good brand. I've found Sandisk to be reliable.

I have a Sandisk Imagemate 12-in-1 reader that is a few years old, so certainly not the fastest out there. It transfers 8 GB in about 8 minutes.

The model # is SDDR-89 V4 (we are talking about the insert piece here).

They have put out a series of these things. I have three, an SDDR 86 (very slow) and an SDDR 88 (in between) so it makes a difference.


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lancebroad
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Nov 08, 2011 00:52 |  #6

tonylong wrote in post #13366112external link
Is the card reader a built-in card reader or an external one?

USB 2.0 readers can vary in their speeds, so trying a newer model could help, and make sure you get a good brand. I've found Sandisk to be reliable.

I have a Sandisk Imagemate 12-in-1 reader that is a few years old, so certainly not the fastest out there. It transfers 8 GB in about 8 minutes.

The model # is SDDR-89 V4 (we are talking about the insert piece here).

They have put out a series of these things. I have three, an SDDR 86 (very slow) and an SDDR 88 (in between) so it makes a difference.

Hi Tony, I never had a problem with it till recently all of a sudden, speed had dropped.

Its a TEAC internal one which plugs straight onto the motherboard USB 2.0 port.


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tonylong
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Nov 08, 2011 02:21 |  #7

Well, hmm, try a newer external reader?


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Vermin87
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Nov 08, 2011 02:37 |  #8

When you put regular data on the card, does it still behave the same way? Or does it only happen with data recorded from the camera? You can try copying in some movies or something from your computer to the card and then back to the computer. Then you know if it's a problem with the files or a problem with the card/reader. Other things to check are if the card has gone bad by checking another card to see if it has the same problem. I'd also do a system restore if it happened recently after you did an update to your system. Sometimes a driver change can make a huge difference.


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tim
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Nov 08, 2011 03:20 |  #9

USB card readers can be weird. Try uninstalling and reinstalling the drivers. Sometimes reinstalling the OS helps. Getting a new card reader is probably a better, cheaper choice.


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lancebroad
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Nov 08, 2011 05:30 |  #10

I did a clean re-instal of windows last week, after some dramas. But the problem is still there. Seems I might go buy a new card reader.


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Garry ­ Gibson
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Nov 08, 2011 05:43 |  #11

My suggestion, get a usb 3.0 internal pci card. Then move to a 3.0 reader. You will definitely
see a speed difference.


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BrandonSi
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Nov 08, 2011 08:49 |  #12

Try the transfer straight from the camera. If the problem persists, it's either the card or the camera (then try a different card, to see if it's the camera or the card).

If not, it's the reader.


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