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Nope, no "overflow" messages in the log or any other errors indicating any sign of problems.

I think working out what was up with the other board, will wait until next week. I am enjoying listening to TG91 in the meantime

Had a bit of time to play and now have BM connection backup and working.

Just wanted to say a big thank you to all that have helped.
73s Mike

The new MMDVM HAT has arrived this afternoon, just soldered on the SMA socket and it appears to be working

Hooray!

If it's any use :

If I use the "pistar-findmodem" command, that initially gives me back this response. "Detected MMDVM_HS (GPIO): /dev/ttyAMA0 (MMDVM_HS_Hat-v1.4.17 20190529 14.7456MHz ADF7021 FW by CA6JAU GitID #cc451c4)"

However, after a couple of minutes, the MMDVM locks up and I get no ...

Thankyou so much for your assistance in this matter.

I did try YSF, just out of interest last night, but no joy with that either. Perhaps someone can point me at the GitHub for the MMDVM and I can try building/expirementing with that. Maybe with a "defective" setup to hand, I can pinpoint the issue ...

If there is anything I can do to assist with dev/testing, then please let me know.

1/. I've prized the OLED up as far as I dare and can't see any identification marked around the antenna/OLED area, sorry!
2/. I have changed the modem selection to "STM32-DVM / MMDVM_HS - Raspberry Pi Hat (GPIO)", but no difference.
3/. All leds (except power) blink 3 times on startup. The SVC goes ...

1/. I am click "applying changes" after making changes into each section and waiting for the page to refresh. The changes I've made (such as DMR id) are been reflected on screen. Post reboot, all changes are present and correct.
2/. With this SD card, changes did get reflected in the full-edit DMR ...

Was that "sudo pistar-mmdvmhshatflash hs_hat". If so, I believe we tried that on Tuesday?

There is another cheapie MMDVM board coming from Ebay as per your suggestion yesterday, on the basis they are as cheap as chips, so why not. I've also asked Flo (DF2ET) if I can purchase a pucka MMDVM board ...

I've also tried a SanDisk 32gb and that also gives the same errors, but don't have any others to try. As I said, it has been working fine with Dstar for 6mths+.

There isn't much too it surely, change the setting and click "Apply Changes"?

This is a cheapie Chinese MMDVM purchased from a radio ...