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Topic: Two stage performance tuning for S9 / S9i (include version for immersion cooling - page 2. (Read 2730 times)

jr. member
Activity: 66
Merit: 3
A couple of Questions
with psu rated at 1600W what would be the best settings to ensure that all running smooth and avoid psu blow up?
should I limit frequency to 725? would it be ok to use 1650W as measured on S9?

member
Activity: 133
Merit: 15
~ Fortuna Favet Fortibus ~
Can someone explain the difference between the fix fan and auto fan version?

Fix Fan: Device does not provides control of fans,so the fans working with 100% rpm, all kinds of situation (if you don't have cooling room then you should choose this)
Auto Fan: Device provides control of the fans,so the fans behave according to the temperature of the environment (if you have cooling room system you should choose this)
newbie
Activity: 76
Merit: 0
Can someone explain the difference between the fix fan and auto fan version?
newbie
Activity: 29
Merit: 4
We are using s9, the advertised hash-rate for that batch of miner is 11.85th/s.
It looks like the reset issue in 7a is not solved. Undecided
Miner constantly restarting over and over again even after it ran through the config process. hw errors are low to non existent at all so im not really sure why the firmware is set to reboot the miner over and over again. its so bad that the pool i use shows my hashrate is only 400gh/s out of the reported 13.2th/s on the status page and thats because it spends almost as much time restarting than it does actually mining.
Using the latest v7a.
Any ideas Huh

after i go back to the stock firmware the miner runs at 11.7xxth/s all day non stop.
newbie
Activity: 18
Merit: 0
hi.

i have 13.5th old s9. freq 637,637,612mhz per board and 0,9v. i have trouble. then i use 650fix freq or youre firmware in my s9
in second board one chip have 8900th speed and in panel my speed showing incorectly.
in autofreq firmware  bitmain use some autofix for incorrect chips and my total th is showing rightly.
can you add this bitmain fix in youre firmware?
member
Activity: 133
Merit: 15
~ Fortuna Favet Fortibus ~
I have two APW3++ 1600W and one 1800w PSU so I want to combine with two 13.5 th S9's,how can I pin with six hashboards? and what should I setting the voltage and freq? I want above 16 th.. Can you help me please?
newbie
Activity: 32
Merit: 0
Well, a feedback about 7b from other miner: "i let it auto tune the miner to the most efficient setting but the miner (which chose the voltage and freq itself) stopped mining again and just sat there after a few minutes. this chip checking feature that was added just wont work and keeps stopping the miner from actually mining."

I have only 7a Wink If you need help, please write: devpool001 at gmail.com
newbie
Activity: 32
Merit: 0
"The web interface does not display all the pools that are in the configuration file, but only first 3"

But you see the 4th pool on the screen short. Right?


Right, some software, awesome for example can add more pool, than 3
newbie
Activity: 29
Merit: 4
"The web interface does not display all the pools that are in the configuration file, but only first 3"

But you see the 4th pool on the screen short. Right?
newbie
Activity: 29
Merit: 4
Well, a feedback about 7b from other miner: "i let it auto tune the miner to the most efficient setting but the miner (which chose the voltage and freq itself) stopped mining again and just sat there after a few minutes. this chip checking feature that was added just wont work and keeps stopping the miner from actually mining."
newbie
Activity: 32
Merit: 0

thank you.

you need to connect to the device (via ssh default login: root, password: password) and execute the command:

cat /config/bmminer.conf

(save and post result)

The web interface does not display all the pools that are in the configuration file, but only first 3
newbie
Activity: 32
Merit: 0
To make it more perfect, could you also add a possibility for manual % fan speed control?

Sorry, but I think this procedure is dangerous - someone can put fans at 20% (for example) and at night it will be enough, and in the afternoon the ash will overheat. I have built-in protection against overheating, but I do not want to test it Wink
newbie
Activity: 29
Merit: 4
newbie
Activity: 32
Merit: 0
Hi developer

It looks like v7a creates 4th pool by self and it is not point to right one. Hope it is not added dev. pool.
Could you fix it.
Pool status screenshot is here:https://1drv.ms/f/s!ArNwsEYWIidwgeJKlXAsdIIygiltqQ

can you send full screen?
newbie
Activity: 29
Merit: 4
Hi developer

It looks like v7a creates 4th pool by self and it is not point to right one. Hope it is not added dev. pool.
Could you fix it.
Pool status screenshot is here:https://1drv.ms/f/s!ArNwsEYWIidwgeJKlXAsdIIygiltqQ
newbie
Activity: 29
Merit: 4
To make it more perfect, could you also add a possibility for manual % fan speed control?
newbie
Activity: 29
Merit: 4
Could you also add the NO_FAN version, as usually Wink
newbie
Activity: 32
Merit: 0
10 minute resets confirmed by other testers too.

Feedback (does not mean 100% right):
1) "S9 works, but every 10 minutes it climbs to check the devfee pools. Pools are disabled, so every 10 minutes the ASIC is rebooted with this firmware."
2) "Loaded into S9, worked 10 minutes and fell off the pool, connected again to the pool worked again 10 minutes and again fell off.
Happens and works on the pool for 30 minutes, then did not check."
3) "One of the S9 with firmware 6b goes into reboot every 10 minutes."

The chips were checked every 10 minutes, and if they were faulty, they were corrected and rebooted. Now I changed the algorithm, there will be fewer reboots, if I can not correct all the chips, then there will be no more reboots.

in Kernel Log you can see which chips are corrected and to what value
newbie
Activity: 32
Merit: 0
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