after trying to get one quad-board (labeled 1.15x) running on Linux (Ubuntu 12.04) I have growing problems with one of the FPGAs
that chip already was the slowest in my setup leveling in to 208 MHz (all others do at least 216 Mhz) previously on Windows 7 .
after realizing to utilize sudo also the linux-client ran right off, but it shut down the FPGA #2 due to increasing hash rate drop (4-10%). That I already had with -oh 0 on Windows 7, but with -oh 0.04 it was OK on 208 MHz.
Now reconnecting to Windows for double-checking the hash rate drop also occurred there, #2 is disconnected due to that.
I already remounted the cooler two times, covering of the chip with MX4 looked ok, nothing besides the chip.
Any ideas what to check/try next
*edit, replaced "error" with correct term "hash rate drop" :
while writing also #1 is disconnected for hash rate drop rate 4% and the others are leveling down to 212 MHz .. I think it better to power that one off.
