antlists wrote: > On 22/06/2020 11:56, Walter Dnes wrote: >> On Mon, Jun 22, 2020 at 11:28:17AM +0100, Neil Bothwick wrote >> >>> The SD standard says >33G should use exFAT, this is why many devices >>> state they only support cards up to 32G. The really mean they only >>> support FAT. My Dashcam is like this but it happily works with a 128G >>> card, once I reformatted it with FAT. >> Warning; that still does not change the fact that each individual file >> cannot exceed 4G in size on regular FAT. >> > Warning 2: I did exactly that, and it LOOKED like it was working > happily, until it overflowed some internal limit and my 1G card turned > into a 128M card or whatever it was. Have you actually TESTED that > card IN THE DASHCAM and made sure it can actually use that 128G? Or > will it only be able to use 4G of that card? > > Oh - and 32GB cards are physically different from 128GB cards because > they work to different standards. That's why so many of the old "real > SD" card devices only ever use up to 2GB. You CAN (or could) get 4GB > SD cards, but they were rare, so most people couldn't find them. The > SD standard was replaced by SDHC, which is why your fileformat changes > at 32GB, which is the maximum capacity of an SDHC card. Above 32GB > it's SDXC, which is another reason why sticking a larger card into a > device which says "up to 32GB" is a bad idea - it may not be able to > handle SDXC. > > Cheers, > Wol I recall them being called something different.  I'm in no hurry to buy a card just to test tho.  I'll have to find a good excuse to buy one.  lol  Dale :-)  :-)