Well after some tinkering last night I've found out my R1 will hash at 200 & 250m but only for a couple of minutes. The green led doesn't flash but I get accepted shares and it reads it on the ckpool app as 12ghs. I've got a fan on it but can't seem to get it to stay hashing. Anyone have any ideas? Wifi is disabled and suggested diff is set to 12.
To be honest I am having problems with any frequency above 200MHz. It seems more difficult this time round than back last Year when I first started playing and I have no idea why that is? Here are my experience with a few observations and comment that may or not help?
200Mhz is sort of ok, generally speaking hashing starts when you power up or if after a stop the Cron Job has to restart things. Occasionally usually after a Day or so's running it stops and you need to do a reboot.
As you then progress up in frequency I find that starting becomes less reliable and restarts become more frequent and also less reliable. 225MHz not much worse than 200MHz then at 250MHz and 275MHz initial starting noticeably less reliable, sometimes I need to Save & a Apply 3 or 4 times to get things going, or sometimes Reboot and the Save & Apply a few times. Note I have upped the Core Voltage on when I get to 250MHz so that is not the Problem.
300MHz not having any luck getting things going at all, although I have run at this frequency before.
My next step is to stop randomly trying things
take a far more systematic approach and work my way slowly up through the frequencies again, making some notes and also looking for some more things to Monitor and check. I am also going to connect a UART, which I have done before , and remind myself what can be monitored there?
Rich