SD Card

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Re: SD Card

by F0LLETT » January 26th, 2016, 11:29 am

tony75 wrote:re SD cards

I think that you will find that the problem with cards disconnecting or not working is related to the read write speed of the card.


a lot of SD cards sold have a very low read write speed... they are not reliable

you need a card with a high write speed .... around 100 Mb/s suitable for use in a modern high speed camera.
there are low cost cards on the market with write speeds as low as 10 Mb/s these will not work


That doesn't explain my issue with my card. 48mb/s and constant disconnections. Until I messed with drivers and now same card works perfect.
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Re: SD Card

by tony75 » January 26th, 2016, 5:35 pm

do you know what you did with the drivers ?
would be useful to know
many thanks
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Re: SD Card

by LinxNewbieGoPro » February 6th, 2016, 2:42 am

what speed should the micro sd be reading / writing? SanDisk 128GB exFAT 22MB/s read / 17 MB/s write are my benchmarks for the built in sd slot while on the usb port with an SDXC reader I'm getting 42.2MB/s and 27MB/s with the exact same micro sd.
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Re: SD Card

by GeneralWaste » December 12th, 2016, 8:40 am

i had a 32gb san disk card working at just under 20mb/s writting speed, which i thoought it was pretty decent. but i had to restore my tablet to factory settings. now the card writes just under 10mb/s. i bought a toshiba 128gb, same. also steam does not recognise the cards as storage mediums. i bet the problem is in the drivers. same as in for all those people who cant get certain cards to work. :?:
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Re: SD Card

by Scorpio86 » January 3rd, 2017, 2:00 am

I have a 128gb Samsung card no problems. With steam installed on the he and install games from steam on the sd I've had no issues so far but only tried a few games.

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Re: SD Card

by psund70 » February 3rd, 2017, 7:33 pm

I have a theory, after reinstalling windows mine samsung 128gb card worked fine for a long time.
When I docked the tablet with the gaming controller, the card ejected. Then I remmeber that has happned before when docking, can it be that the card hits the side of the dock sometimes when mounting tablet?

It is very close, the card is sticking out a bit from the tablet. Something I will have a eye on when docking anyway.
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Re: SD Card

by F0LLETT » February 17th, 2017, 8:33 pm

psund70 wrote:I have a theory, after reinstalling windows mine samsung 128gb card worked fine for a long time.
When I docked the tablet with the gaming controller, the card ejected. Then I remmeber that has happned before when docking, can it be that the card hits the side of the dock sometimes when mounting tablet?

It is very close, the card is sticking out a bit from the tablet. Something I will have a eye on when docking anyway.


Never had this. I would say its more power problem. Controller takes power and causes SD to disconnect.
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Re: SD Card

by psund70 » February 17th, 2017, 8:46 pm

I think you are correct.

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Re: SD Card

by JaseUK » April 15th, 2017, 8:13 am

Hi,
I have this sd card and I am getting quite a few disconnects with it.
https://www.amazon.co.uk/gp/product/B01 ... UTF8&psc=1
Its the 64gb one.
Has anyone else got the same card?
Are the problems related to the fact its only up to 80mb/s transfer speeds?
thanks
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Re: SD Card

by gopher1369 » June 8th, 2017, 12:13 pm

JaseUK wrote:Has anyone else got the same card?


Hi Jase,

I owned that card, and it worked absolutely fine for me. However it was not the exact same Sandisk Ultra, mine is a couple of years old so slower spec (they seem to increase incrementally every year), I was getting 40mbps read, 30mbps write with it. No disconnects in the week or so I've now owned my Linx Vision.

I wanted something faster so bought a brand new 64Gb Sandisk Extreme, 90Mb read / 60Mb write and now I'm getting disconnects! Going to try the alternative drivers listed earlier in this thread.
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