SPEC NERDS LISTEN UP: How to Get the Best SD Card Performance on TX16s with EdgeTX 

You're welcome. Thanks for the comment.

I learned a ton from this channel! Picked up on everything & set up almost 30 planes from these videos. 1st day was 🤯. 2nd day, better. Yesterday (3rd day), it all clicked 👍😁! I sold a rektum ix20se for $500, got the ag01 tx16s. Love the tx16s! Rektum is absolutely over-priced trash, imho

Welcome to the dark side.

Awesome. Glad to help. Welcome back.

Nice! Tell your friends, I’m here all week.

Glad to hear it! Always makes me smile when I know the video content is helping people out.

You're welcome!

Thanks Bill. Appreciate the kind comment.

Good! Glad the information helped you get your radio running more smoothly.

You bet!

You're welcome.

You're welcome.

You bet! Thanks for hitting the tip jar.

So it was a little tedious but I went through and deleted all the sound files I don't need and the total SD card contents are now under 7MB. I couldn't get the EaseUS program to allow me to delete or create partitions on the SD card without buying a license first (so much for the free version I guess) so I used the "Disk Management" function built in to Win10. I deleted the primary partition and created a new one with only 256MB and 4096 byte allocation units. Copying the entire SD card contents to my backup folder now takes less than 15 seconds. I don't know if there's an in-radio performance boost but it seems like it's doing well. No startup/shutdown sound stutters and the ELRS LUA script opens maybe a little quicker than before. I have my radio set to automatically connect as a USB drive when I plug in the cable, and Windows now mounts it pretty much instantly.

Nice work!

No negative impact using custom audio or Amber. That should be fine.

@@RCVideoReviews Cheers! I'm off to see how that 70" Slick flew now. I love my EF 48" Extra and can only imagine how lovely a 70" EF machine is!

Model blanks?? I'm not sure I follow.

At the end of the video I said I wold probably try an even smaller partition. Smaller block sizes reduce windows copy speed.

Since the F4 can buffer 4KB per USB request/reply, that is the best size to use. Anything smaller and Windows slows down substantially, and you don't gain anything except more efficient storage consumption on the card which isn't really meaningful given the paltry amount of space required for Edge. 4KB is the right size. Ideally the smallest partition will be the fastest.

@@RCVideoReviews Will the radio make any difference between a 4 k formatted card and a 32k formatted card ? That is the question

Yeah, it gets really choppy using 32k block size for audio and images. It's a pretty bad experience TBH.

Still follow the guidance in the video for best performance while actually in the radio which is where the proper formatting is needed for best performance.

As I said in the video, the generic cards are markedly slower in file operations with windows.

I have a Boxer Max and the startup time was slower than I saw for others online. When I swapped out the SD Card for another one I had lying around (64GB Samsung - WAY overkill, but it's what I had that wasn't in use) my startup time was dropped by 75% or more. The cards Radiomaster ships are pretty poor quality.

The stock card is more than adequate for 15 models. Regarding the syntax error, please join discord and ask there.

Yes. Same CPU family which means it'll have similar communications bus parameters.

www.utmel.com/compare/STM32F427VGT6--4859968-vs-STM32F407VGT6--4812882

Thanks for the quick response!@@RCVideoReviews

Yes. Same hardware under the shell.

There's a free tool called Treesizefree for Windows. There are also free tools for Mac if you use Mac, but the name escapes me. Download one of these tools that can help you figure out what's taking up all the space on your card. A stock/basic install of EdgeTX with audio files is something like 25MB. So you have LOTS of space left on a 256MB card.

@@RCVideoReviews thanks, I will have to look into that. I use a PC with Windows 10. Normally I extract all files to a folder on one of my drives. I don’t notice any duplicate files.

I haven't found a way to identify the existing blocksize. So I just choose to be deterministic about it. Backup, Partition, Format.

@@RCVideoReviews , Okay, but what block size should we use for BetaFlight logging?

No idea, I didn't test for BF logging or the MCU's on which logging takes place. This video is specific to the TX16s and EdgeTX.

In Windows you can use the DiskPart command line utility for this. After selecting the appropriate volume, the "filesystems" command will display the allocation unit size, and it will also list the filesystems and au sizes that you can use on the volume if you wish to format it, which you can also do with DiskPart.

@@BlizzardActual Excellent Information. Looks like SD Card Formatter, which is recommended for BlackBox Logging is FAT with 32K allocation table.

Don’t use Windows!

Sounds like you have the wrong version. Mine has never asked for money. It pops up an ad at the end asking me to upgrade, but it lets me perform all of the functions just like I showed in the video. Make sure the title of the window is "EaseUS Partition Master Free Edition"

You don't need any extra software. Just define the volumes you want in windows disk management

Windows disk manager does not give full control over allocation table configuration. It is linked to volume size just like the standard formatter.

@@RCVideoReviews​ I don't think understand you completely. I was able to set the partition size, block size and file system type using windows disk management tool. I set up a 4GB FAT32 partition with 4KB blocksize on a 64GB SD card that way. Is that any different than what you did?

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