Have any of you guys played around with editing HBM2 memory timings on linux?

If anyone has a reference V64/V56/FE card with Samsung Mem on linux and is feeling adventurous, could you guys try the following timings?
--rp 10 --rc 45 --rfc 290

Please keep in mind that editing timings can result in damage to your cards.
These timings work for me on my Vega FE, but there's no guarantee they will work for other cards.
In particular, I'm curious what your cn trtl results are.  Timings currently have a very limited impact on our other kernels.