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Author Topic: Bitmain S5 Replacement Fan  (Read 4369 times)
amelen
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June 11, 2015, 07:32:23 PM
 #61

New fans came - did various testing. In all scenario's, with a good push fan (160cfm min), adding a pull fan only lowers temps 1-2C.

Open case? closed case? Push/Push? Pull/Pull??? Push/Pull?


Open case. Push/pull. Tried various setups, if you have a good push (stock or delta), pull had almost no effect.

On a side note, I bought a 4 pack of the Delta's and have some extra now if anyone is interested.
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chek2fire
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June 11, 2015, 10:13:58 PM
 #62

In my opinion the key to have a cooler s5 with other fans is how thick they are. If you have notice the stock fan is very thick. This has the result to pull out more hot air and very fast. I dont think anyone will see low temp with any other thin fan.

Did you read about a page back when we talking about Static Pressure?

sorry my english is not very good to follow your conversation. Ι only like to add my opinion Smiley

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August 11, 2015, 08:13:30 AM
 #63

I've put two Cooler Master Jetflo PWM 95CFM fans on my S5, however it wont start hashing with them. Just beeping.

If I connect them to a fan controller and connect the original fan to the S5 and put it beside it works and they can keep the miner at about 60 degrees celsius at stock speed. But as soon as I disconnect the stock fan it starts beeping. What can I do?

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August 11, 2015, 09:54:52 AM
 #64

My choice is 2xGembird DC120SF-12AS3 fans.

This configuration is cheap enough and efficient enough to even run S5 at freq. 400.

https://bitcointalk.org/index.php?topic=919018.msg10095261#msg10095261

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August 11, 2015, 10:00:50 AM
 #65

But as soon as I disconnect the stock fan it starts beeping. What can I do?
Try to update a firmware. Here at my work an S5 was running with no fans connected to the I/O board at all (2 fans were connected over MOLEX to 3pin adapters directly to PSU).

From Siberia with love!
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Профессионально занимаюсь развёртыванием ферм (ASIC, GPU, BURST), оборудованием помещений для майнинга.
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August 11, 2015, 02:30:17 PM
 #66

But as soon as I disconnect the stock fan it starts beeping. What can I do?
Try to update a firmware. Here at my work an S5 was running with no fans connected to the I/O board at all (2 fans were connected over MOLEX to 3pin adapters directly to PSU).



Last software does not have this capability.

Fan1 must be connected.

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