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Author Topic: GekkoScience Terminus R606 750GH (up to 1TH) quiet miner, now shipping  (Read 6702 times)
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April 28, 2019, 08:10:34 PM
Last edit: April 28, 2019, 11:36:22 PM by frodocooper
 #101

Saw this on amazon, pretty excited to see a new hobbyist miner with a decent hashrate and efficiency, I honestly would probably just run it on CKs solo pool still.

What fans are on these btw? I figure they can't be too noisy.

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April 29, 2019, 12:06:25 AM
Last edit: April 29, 2019, 12:19:23 AM by frodocooper
 #102

... What fans are on these btw? I figure they can't be too noisy.

The noise depends on 2 things:
1) Heat sink design
2) Air flow required

You're not gonna reduce the sound much by changing the fans as long as they aren't small/tiny fans (which they aren't).

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April 29, 2019, 02:05:12 PM
Last edit: April 30, 2019, 12:04:14 AM by frodocooper
 #103

Saw this on amazon, pretty excited to see a new hobbyist miner with a decent hashrate and efficiency, I honestly would probably just run it on CKs solo pool still.

What fans are on these btw? I figure they can't be too noisy.

Um, perhaps read the 1st post where the miner is described?

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April 29, 2019, 06:00:00 PM
 #104

606 is quiet, 80mm fan not sure of the width. No fan control I'm aware of but it's not needed I could take this to a cafe and mine all day. Maybe some odd looks but it's not going to bother anyone. 

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April 29, 2019, 06:14:32 PM
 #105

I built it with the potential for thermostatic fan control but didn't put it in the firmware because the fan's pretty quiet already so throttling it back wasn't necessary. Also the BM1387 run beautifully when cold and have a pretty high temperature coefficient so even at the bottom end the extra airflow is a benefit.

If someone ever wants to put in a jacked-up fan and have it throttle at low temps it would't take long to change the firmware. Most of the mechanism is already in there. You'd have to re-flash it yourself though, which will require some PIC ISP device.

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April 29, 2019, 08:13:12 PM
Last edit: April 30, 2019, 12:05:07 AM by frodocooper
 #106

Um, perhaps read the 1st post where the miner is described?

Did it say anything other than 80mm and quiet? I didn't see any decibel or rpm. The word quiet isn't much to go off now is it? Especially if you're someone like me and may want to have this as a desk piece.

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April 29, 2019, 08:53:08 PM
Merited by NotFuzzyWarm (2)
 #107

As for noise, it's pretty quiet. 80mm 160mA 12V case fan. I don't have a decibel reading but it's quite nonintrusive from more than a couple feet away.

Sound is negligible, quiet as hell and I even mounted a second fan on the back.

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April 29, 2019, 09:47:53 PM
Last edit: April 30, 2019, 12:06:41 AM by frodocooper
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 #108

Fan Speed:
2,000 RPM (@ 12V DC)
1,200 RPM (@ 7V DC)
850 RPM (@ 5V DC)

Air Flow:
31 CFM / 52.7 m³/h (@ 2,000 RPM)

Noise Level:
0.3 Sone (@ 2,000 RPM)

Fans are measured in Sones not Db but a rough translation is 1 Sone is equivalent to a person whispering from 1m away. So ya, it's a very quiet fan.

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April 29, 2019, 10:00:46 PM
Last edit: April 30, 2019, 12:05:54 AM by frodocooper
 #109

Good to hear, I have a cluster of mini PC's mining away with a small 80mm USB fan turned to medium and figured this might be a next addition to the office desk.
That mA seems plenty low.

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April 30, 2019, 12:02:59 AM
 #110

By the way, the sellers with prototype units haven't seen this feature yet because it wasn't implemented by the time their units shipped but if the R606 gets too hot (that is, the internal temp sensor reads 75C or higher) the volt-setting LEDs will blink at you.

Cool, quiet and up to 1TH pod miner, on sale now!
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April 30, 2019, 12:15:06 AM
Last edit: April 30, 2019, 12:42:05 AM by frodocooper
 #111

Fan Speed:
2,000 RPM (@ 12V DC)
1,200 RPM (@ 7V DC)
850 RPM (@ 5V DC)

Air Flow:
31 CFM / 52.7 m³/h (@ 2,000 RPM)

Noise Level:
0.3 Sone (@ 2,000 RPM)

Fans are measured in Sones not Db but a rough translation is 1 Sone is equivalent to a person whispering from 1m away. So ya, it's a very quiet fan.

I have this in my bathroom

https://www.amazon.com/Panasonic-FV-08VQ5-WhisperCeiling-Ceiling-Mounted/dp/B076Q7V5WX

the under .3 sones model it is the quietest bathroom fan I have ever heard by far.

same model better link

https://www.acwholesalers.com/Panasonic-Ventilation-FV-0511VQ1/p92875.html

0.3 sones = 22.5 db

see link below

http://www.sengpielaudio.com/calculatorSonephon.htm

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April 30, 2019, 01:08:51 AM
 #112

re: the ventilator fan, Intereisting bit in the manual (and yes OT but) "This fan utilizes Smart Flow microchip technology that monitors the static pressure in the system and speeds up or slows down the rpm of the fan depending upon the amount of resistance within the ducts. This feature allows the fan to perform as rated and avoid potential installation issues."

So within reason, the CFM you select is what it delivers. Nice touch but no mention of max duct length...

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April 30, 2019, 01:15:39 AM
 #113

Trick with fans is size, its not the only thing but its important. Ceiling fans are among the quietest because they can move good quantity of air spinning slowly. But if your room can accommodate either a 40" ceiling fan and a 52" ceiling fan, the larger one will be quieter to move the same amount of air than the 40" one. Of course this thing doesn't even get hot to begin with so i guess its fine with 80mm. You can typically see those in cheap cases, PC PSUs or cpus.

There is also the design of the blades, the number of blades, etc. Perhaps if you test the unit in a place with 40°C ambient temperature, we could know better how fast they need to be running to keep things in check, or if faster/larger fans would be needed.

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April 30, 2019, 01:46:24 AM
 #114

Wait a couple months and they all will be tested in an environment with 40F, because the majority of my shop is not climate-controlled and also is home to 50KW of real miners.

But when I ran one at blistering top-end speed on my ~26C workbench without a case (and therefore no ducting), i had to block the fan to get much above 60C.

I'd pretty much just leave it as-is. Unless you're doing something really stupid, the included fan should both be quiet enough and move adequate air.

Cool, quiet and up to 1TH pod miner, on sale now!
Currently in development - 200+GH USB stick; 6TH volt-adjustable S1/3/5 upgrade kit
Server PSU interface boards and cables. USB and small-scale miners. Hardware hosting, advice and odd-jobs. Supporting the home miner community since 2013 - http://www.gekkoscience.com
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April 30, 2019, 01:48:45 AM
 #115

R606s are starting to appear in the wild.   Grin

I am getting all rejected shares when using prohashing.com pool, with and without asicboost enabled.

What is the appropriate/correct version of cgminer to be running with these devices?  I am currently running version (April 26 @ 5c757f5) posted by vh on 4-26-19, here: https://bitcointalk.org/index.php?topic=5053833.msg50506833#msg50506833

Thanks!
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April 30, 2019, 02:03:14 AM
Last edit: April 30, 2019, 04:50:22 AM by frodocooper
 #116

That's the most recent stable one.  
You'll occasionally see rejects during the first minute of connecting to a pool.
If the pool doesn't stop rejecting, try a different pool to make sure the unit is healthy.

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April 30, 2019, 02:30:23 AM
Last edit: April 30, 2019, 04:50:43 AM by frodocooper
 #117

I am seeing 100% reject rate through this pool anyway; kano and others are accepting shares.  Rejection error states "version_bits must be null bec"

https://ibb.co/Kb6w2c5

Also, has the syntax changed for frequency?  This version seems to always set target at 400, regardless of setting.  Using --gekko-newpac-freq xxx

Thanks!
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April 30, 2019, 02:45:41 AM
 #118

--gekko-r606-freq

Cool, at least the pools on the supported list are behaving for the miner.
If you would like me to take a closer look at prohashing.com, sent me a pm with a user I can send work shares to.
Ideally your full run syntax to mimic what you see.

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April 30, 2019, 03:41:14 AM
Last edit: April 30, 2019, 04:51:36 AM by frodocooper
 #119

--gekko-r606-freq

Cool, at least the pools on the supported list are behaving for the miner.
If you would like me to take a closer look at prohashing.com, sent me a pm with a user I can send work shares to.
Ideally your full run syntax to mimic what you see.

Thanks, pm sent.

Device is seeing ~1 TH/s on kano pool currently!

https://imgur.com/C3hdULH



What do the 3 sets of numbers in parenthesis mean after frequency settings in this version of cgminer?

https://imgur.com/r6UPtri
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April 30, 2019, 04:54:46 AM
Last edit: May 01, 2019, 12:14:02 AM by kano
Merited by cjsummers82 (1)
 #120

What do the 3 sets of numbers in parenthesis mean after frequency settings in this version of cgminer?

https://imgur.com/r6UPtri

Stat line code is here:
https://github.com/vthoang/cgminer/blob/0d524aae219a42f0da29a1ee9aac4ceb50600f1d/driver-gekko.c#L1645

That says they're ms times for the work, so mostly useful for development:
(scanhash_ms/task_ms/fullscan_ms)
https://github.com/vthoang/cgminer/blob/0d524aae219a42f0da29a1ee9aac4ceb50600f1d/driver-gekko.c#L1710

Heh, this section is actually quite interesting:
https://github.com/vthoang/cgminer/blob/0d524aae219a42f0da29a1ee9aac4ceb50600f1d/driver-gekko.c#L1689
( for the chip status [oooooooooooo] )

Edit: updated the links above so that they point to the unchanging version - so they always point to the correct line - since vh updated it

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