once these things are setup, is there much maintenance needed?

Mine still showing unshipped.

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If you let them run at 537 frequency, you will likely see high chip temperature and a LOT of HW errors that will eventually crash a hashing board. You'll know this by a row of xxxxxx xxxxxxxxx xxxxxxxxxx xxxxxxxx in your ASIC status. Then you'll have to reset the machine to get that board back online.  To me this is the server telling you that 537 frequency is at the edge of redline and if we run them there for extended times, they will not last long.
     I have had excellent luck down clocking these units to 525 frequency ( or lower if it's hot out ) and running fans at 100%. There, they get very stable. No HW errors and no boards crashing. You'll still be hashing around high 17's or low 18 thousand mh. Once you fool with it and find the "sweet spot of clock speed and fan speed for your environment, they require zero to no maintenance. Just clean the heat sinks every month or so unless you have a high level air filtration system. 

OMG.....here we go again.....someone please tell him......

Yes, X11 is a composite of 11 algos, but the hardware is designed to give you the result after running through all those algos.  You can't just tell the hardware to stop in the middle of computing and give you the results for a specific algo. ASIC's usually are optimized and made very efficient at doing 1 specific function, in this case x11.  To add or do only a specific algo requires not only a firmware change, but now also a hardware change.

at least dash is worth 320 dollars now few days ago it was like 275 dollars lol. Hopefully it goes up to 350+ in the next few days

lol

M

If Bitmain cared for community involvement in improving their software, all of their custom firmware would be open-sourced. They would release the data sheets and schematics for their mining devices. I'm sure they have some of the best developers in the industry working for them. And I'm probably the shittiest coder around so I wouldn't be suited to the task anyhow