Update:
Freq Value 1505
Freq 268
Timeout 52
I just switch 9 miners over to 268 and it the values I posted from the table above work. The next step on the table is 262.5, but I have a few that don't really need to be stepped down that far. Anyone happen to have or are able to determine a frequency value and timeout number for a frequency of 265?
what is your HW rate like at this frequency? I had mine sitting at 275 with a HW around 4%. I could not reduce this even though I walked the timeout from 40 through to 55, so now mine is sitting at the default 250, with an almost 0% HW (one machine has been 0% for the last three days) I want to get as close to 275 as possible and I know some of the defaults just do not work (300 for example give me a very very low hash rate and high HW)
Recheck the resistance. It is a giant pain in the ass, but you need to adjust it every once in a while. As the units heat up the graphite bakes in and increases the resistance and lowers the voltage. If you keep them in a warm environment or stacked against each other it accelerates this. I just had to readjust 16 of them as they were getting up in the 2-6% range.
Here's all of them after I readjusted them. I need to redo 24 + 27 as that was my first run through with those:
#-Frequency-HW Error Percentage
1 275 = 0.29526542916726889801986331068943
2 275 = 0.62115496524246610234090456970006
3 275 = 0.23817991100379235015136527593905
4 262 = 1.420715117786610214752061797818
5 268 = 0.17169630125425603119634490585804
6 275 = 1.20790671325427633955219624587
7 275 = 0.18331280114123078473516947311905
8 268 = 0.36165085608083697405127173722769
9 275 = 0.21186440677966101694915254237288
10 268 = 0.70918402741122569319816735687377
11 268 = 0.49968110951768275373912915248864
12 275 = 0.34170646345878661448545764874231
13 275 = 1.9673807729572612767789858972979
14 275 = 0.47481498730798894795862586065377
15 275 = 0.6791942830244073656741999662125
16 268 = 0.53198186854696549987408713170486
17 275 = 0.43863837101047957795230479100523
18 275 = 0.41021045428810598087537035300329
19 275 = 0.67922119374401532077880625598468
20 275 = 0.29032854982484574301775789789368
21 262 = 0.01070080052179141591973380484797
22 268 = 0.12752589397725269826129329918819
23 268 = 0.29771095000081261053350097734885
24 275 = 3.4735131299000746191284894664367
25 275 = 0.85411213665794186527069844331175
26 275 = 0.29528606269128995930662355517787
27 275 = 3.0170086204243341624534494288025
UP1 275 = 0.37350073902379235969789229544126
UP2 275 = 0.84665203041665056262135282470168
UP3 275 = 0.17782269147173546733228135310189