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October 17, 2018, 08:55:10 AM *
News: Make sure you are not using versions of Bitcoin Core other than 0.17.0 [Torrent], 0.16.3, 0.15.2, or 0.14.3. More info.
 
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1  Bitcoin / Mining software (miners) / Re: Antminer S9 FW with voltage/fan/frequency control on: August 17, 2018, 07:44:59 PM
Great write up binary works great. How do i control the fan speed i have tried changing it in the config and its been removed from the hidden cgi-bin/minerAdvanced.cgi only frequency is on there do i need to use a external pwm controller with a remote temp sensor? I installed the fixed frequency for the 600mhz miner on my 12.5th auto frequency miner and its working great with the exception it runs hotter than i like and can't change the fan. Any suggestions?

If i set frequency to 650 or over voltage gets set to 9.4 no matter what binary i use am i doing something wrong?
2  Economy / Goods / Re: [WTS] 120mm 5,000 RPM PWM 4-Pin Fans {BULK AVAILABLE} on: August 11, 2018, 12:54:21 AM
Do you still have any of the VD1238B12HH fans left? Looking for 8 to 12 depending on price and shipping to 49106 in Michigan?
Thanks weather you have some left or not. It wouldn't let me PM you.

Replace that crummy AntMiner fan!
Replace those broken 120mm fans!
While supplies last, we have moved stock off of eBay and back to BTCTalk so we can lower prices!
Same as before, these are the most powerful fans available for the price.
These things move MASSIVE air and are NOT QUIET!

Price: $15/Piece

Contact: +I7O252I5224 - Acid or PM

Item Location: Nevada, United States

-------------------------------------------------

Bulk Orders:If you would like to place a bulk order from us, please send us a private message as we will be able to provide you with a bulk discount offer.

Condition:This product was used. It is in great shape and operates just as well as it did when received new. Minor wear and tear is normal on any used item. Please take in consideration before making your purchase.

Dimensions:Length=120mm x Width=38mm x Height=120mm
RPM:2500-5000OEM
Replacement:Yes
Size:120mm
Manufactuer:Trohito
Model:VD1238B12HH
Bearing Type:Ball Bearing
Power Draw:DC 12V @ 3.40A
Color:Black
Number of Blades:9
Fan Grill Included:Yes
Type:Case Fan
Compatibility:Case
Features:4-PIN PWM Support for increased fan speed control.
Wire Length:Estimated 18" Inches



3  Bitcoin / Mining support / IBM 2980 Delta DPS-2980AB-A Voltage Adjustment on: December 17, 2017, 01:10:42 AM
I took my 2980 PSU apart to play with it and see if the voltage would adjust some and it will.
Can only get to the small adjustment pots with the cover removed the access panels don't open enough up to get to them.
See Video Voltage Adjustment is 11.9 to 12.9 This is with no load I Don't have all my connectors to make up the pig tails to load test it yet. I have pictures but can't figure out how to post them.

https://youtu.be/7wVcZwyZ6jg
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