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On 22/06/2020 11:56, Walter Dnes wrote: |
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> On Mon, Jun 22, 2020 at 11:28:17AM +0100, Neil Bothwick wrote |
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> |
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>> The SD standard says >33G should use exFAT, this is why many devices |
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>> state they only support cards up to 32G. The really mean they only |
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>> support FAT. My Dashcam is like this but it happily works with a 128G |
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>> card, once I reformatted it with FAT. |
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> Warning; that still does not change the fact that each individual file |
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> cannot exceed 4G in size on regular FAT. |
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> |
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Warning 2: I did exactly that, and it LOOKED like it was working |
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happily, until it overflowed some internal limit and my 1G card turned |
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into a 128M card or whatever it was. Have you actually TESTED that card |
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IN THE DASHCAM and made sure it can actually use that 128G? Or will it |
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only be able to use 4G of that card? |
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Oh - and 32GB cards are physically different from 128GB cards because |
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they work to different standards. That's why so many of the old "real |
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SD" card devices only ever use up to 2GB. You CAN (or could) get 4GB SD |
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cards, but they were rare, so most people couldn't find them. The SD |
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standard was replaced by SDHC, which is why your fileformat changes at |
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32GB, which is the maximum capacity of an SDHC card. Above 32GB it's |
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SDXC, which is another reason why sticking a larger card into a device |
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which says "up to 32GB" is a bad idea - it may not be able to handle SDXC. |
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Cheers, |
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Wol |
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