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Thread: SD card reader limited to 2gb? any way to update it?

  1. #1
    Formerly known as Viet Cong Zombi and tuone
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    SD card reader limited to 2gb? any way to update it?

    i have a 24 inch dell monitor from 2006 (from bargain forums : ) with inbuilt card reader, the SD card can't read a 4 or 16 gb SD card...

    i figure that i have to buy an external reader as the only workaround

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    Re: SD card reader limited to 2gb? any way to update it?

    i had a dell from about 2005/6 and i manged to upgrade the card reader by a firmware update. if you google the make and model you might be able to do the same with the monitor. i presume you plug it in via USB for the card reader

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    Re: SD card reader limited to 2gb? any way to update it?

    million to one chance but are the card's themselves formatted as FAT16?

    ie does the card work at it's full size in OTHER devices? or is it the card limiting it?

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    Formerly known as Viet Cong Zombi and tuone
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    Re: SD card reader limited to 2gb? any way to update it?

    Thanks, i guess that confirms it, the dell website gives juste one file for the 2405fpw lcd monitor it's for xp, not firmware.... Ooooh i have to find a decent card reader!

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    Re: SD card reader limited to 2gb? any way to update it?

    I use a USB type adaptor for my SD cards.

    A few pounds will buy you one.

    will that monitor not be USB 1 and not faster USB 2 ??
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    Re: SD card reader limited to 2gb? any way to update it?

    Quote Originally Posted by deejayburnout View Post
    I use a USB type adaptor for my SD cards.

    A few pounds will buy you one.

    will that monitor not be USB 1 and not faster USB 2 ??
    It is USB2, however Tuone is stuffed as Dell never added SDHC compatibility.
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    Re: SD card reader limited to 2gb? any way to update it?

    SD cards can be no larger than 2GB.

    SDHC is another format, using the same physical dimensions as SD, with the limit increased to 32GB.

    SDXC is another format, using the same physical dimensions as SD, with the limit increased to 2048GB.

    Sounds like your card reader only does SD.

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    Re: SD card reader limited to 2gb? any way to update it?

    my old dell monitors the same, ended up buying a USB reader from kingofflash.co.uk for 50p

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    Re: SD card reader limited to 2gb? any way to update it?

    Quote Originally Posted by directhex View Post
    SD cards can be no larger than 2GB.
    You can actually get 4Gb SD (not SHDC) cards but they're not all that common. I've got a copuple which used to get used in the car as the SD reader in my sat Nav doesn't read SDHC cards.

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    Comfortably Numb directhex's Avatar
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    Re: SD card reader limited to 2gb? any way to update it?

    Quote Originally Posted by burble View Post
    You can actually get 4Gb SD (not SHDC) cards but they're not all that common. I've got a copuple which used to get used in the car as the SD reader in my sat Nav doesn't read SDHC cards.
    Strictly speaking this is true.

    They never took off because SD mandates use of FAT16 (SDHC is FAT32), which has a design limit of 2GB and can be extended to 4GB only through use of excessively large clusters, which many embedded devices won't touch with a barge pole.

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    Re: SD card reader limited to 2gb? any way to update it?

    http://www.7dayshop.com/catalog/prod...ucts_id=108547

    Pretty cheap. Not used that device, but have bought from that shop before, without problem!
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    Re: SD card reader limited to 2gb? any way to update it?

    Poundland do an SDHC compatible reader.

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    Re: SD card reader limited to 2gb? any way to update it?


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    Re: SD card reader limited to 2gb? any way to update it?

    Quote Originally Posted by directhex View Post
    Strictly speaking this is true.

    They never took off because SD mandates use of FAT16 (SDHC is FAT32), which has a design limit of 2GB and can be extended to 4GB only through use of excessively large clusters, which many embedded devices won't touch with a barge pole.
    I and some others once wrote a driver and filesystem for an SD card for a PIC with 4KB memory. A sector size larger than 512b would have been... a problem.

    The trouble with in-built things like this is you're a slave to whether or not they get firmware updates. Actually I wonder if some of the cheaper ones are mostly "soft" readers without firmware, and therefore a driver update would do. I'll stop waxing...
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    Re: SD card reader limited to 2gb? any way to update it?

    Bought one of these Integral USB SD card readers from amazon the other day after failing to find a driver for the SD reader in my laptop that supports DMA (was getting very slow read speeds and high CPU usage, not ideal)

    Have to say I'm very impressed, especially for less then £2 inc delivery!
    On reflection though, not impressed with the amount of time I wasted on crappy drivers when a new reader was only £2

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