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Author Topic: GekkoScience Terminus R808 Miner Official Support Thread  (Read 15898 times)
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minerbobbert
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October 20, 2018, 02:53:05 AM
 #341

New issue cropped up on my pod - anyone have advice?

I am using the brick power supply and the connecter gets loose. Unless it sits just right the unit turns off. It happens about once or twice a week and I have to jiggle the connector to get it to work. Any way to tighten that up?
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419mining
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December 01, 2018, 08:48:55 PM
 #342

New issue cropped up on my pod - anyone have advice?

I am using the brick power supply and the connecter gets loose. Unless it sits just right the unit turns off. It happens about once or twice a week and I have to jiggle the connector to get it to work. Any way to tighten that up?

Hey MinerBobbert, is it the Terminus or the Brick that is having issues?

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December 01, 2018, 09:12:46 PM
Last edit: December 01, 2018, 09:42:11 PM by frodocooper
Merited by vapourminer (1)
 #343

New issue cropped up on my pod - anyone have advice?

I am using the brick power supply and the connecter gets loose. Unless it sits just right the unit turns off. It happens about once or twice a week and I have to jiggle the connector to get it to work. Any way to tighten that up?

You could change that power supply out for a much better, server power supply! The terminus already has a 6-pin PCI-e connector, and using something like a HP 460 Watt or 750 Watt Server PSU with breakout board will solve your current problem, and is a much better power source in my opinion! My cousin has a terminus and was unable to make it run steadily at higher frequencies. I sent him a HP 750 Watt PSU with board, and now he can run his terminus at 300Mhz with ZERO issues!

Although 900 Watts/1200 Watts would be overkill, 419mining has a kit available here: https://www.419mining.com/shop/power-supply/complete-power-bundle/.

HP also make 460 Watt and 750 Watt models like this one on Amazon: http://a.co/d/eHrC9Rl for only $15.00 USD.

You will then need a breakout board like this for only $7.99: https://www.parallelminer.com/product/x8-breakout-board-adapter-compatible-with-hp-750w-1200w1500watt-hp-power-supply-copy/.

Lastly, you will need a 6-pin PCI-e cable like this: https://www.ebay.com/itm/27cm-6-Pin-Male-To-PCI-E-6-Power-Extension-Cable-Video-Card-18AWG-Connector/292828225339?epid=4026270229&hash=item442dec1f3b:g:Hs0AAOSw8R9b9m1q:rk:9:pf:0

Or, you could buy a complete kit for $35.00 like this: https://www.parallelminer.com/product/gpu-mining-power-supply-kit-hp-750-watt-80-gold-psu/

For $25.00 and free s&h, you could buy a brand new HP 750 Watt Server PSU with brand new Breakout Board and PCI-e cable from me. Anyway, there are so many options besides the ones I listed, and I'd be willing to be that you would be much happier powering your terminus with a server power supply that was built to run 24/7/365.


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419mining
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December 01, 2018, 09:18:05 PM
 #344

What RockMoney says is correct, the powersupply from parrellels is a great deal, thats lower than even my costs.  But if your running on one of our 7A power bricks, they are solid. We imported them in from China specifically for GekkoScience products and they went through rigorous testing before they were approved, yes even by SideHack.

Long story short, I was asking because if it was one of ours, we have full warranties on all our products and would be happy to replace it for you at no cost.

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December 01, 2018, 10:10:28 PM
 #345

Okay that's pretty balls. I built the darn thing and I've never got one to run 300MHz. Nice.

By the way - the barrel jack on the R808 is only rated for 5A, so a peak of 60W reliably. I'm looking at an 8A-rated part for a different project and if I like it we'll probably use that exclusively on anything needing a barrel in the future. Might be more sturdy.

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December 04, 2018, 05:54:33 AM
 #346

No I just have the barrel connector that came with it. It's loose at the part where it connects to the pod.

I'm interested in the pin connector. Looks like more work and cost but may be better for my last little guy.  I ordered a few and he's the last one standing. I upgraded the fans, so maybe a power supply is next. You have or know of a tutorial for how to set that up?

I'm also going to start a setup with a bunch of newpacs. My goal would be getting them and the terminus running off a single pi.
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December 04, 2018, 01:36:56 PM
 #347

No I just have the barrel connector that came with it. It's loose at the part where it connects to the pod.

I'm interested in the pin connector. Looks like more work and cost but may be better for my last little guy.  I ordered a few and he's the last one standing. I upgraded the fans, so maybe a power supply is next. You have or know of a tutorial for how to set that up?

I'm also going to start a setup with a bunch of newpacs. My goal would be getting them and the terminus running off a single pi.

Just watch out for the pi USB bandwidth. They can only support a limited number of miners running at a time, ASIC Boost will help greatly with that, but that's even a little buggy still. (you can read more about that in the newpac support fourms)

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minerbobbert
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December 04, 2018, 03:44:46 PM
 #348

I think that's an issue I ran into earlier when I was trying to run all 4 of my pods off a pi. Never could get it working and I had to split it between 2 Pi's.

Anyone know if there is a way to figure out bandwith from both internet usage (I use a wireless connection) and USB traffic to calculate where I would get into trouble? I don't like doing it by trial and error and realizing I have to buy new equipment halfway through.
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December 04, 2018, 04:05:51 PM
Merited by 419mining (1)
 #349

With how Bitmain distributes work to its chips, timing is very particular to keep the buffers filled and it only gets worse with higher hashrates and more devices. Different chips have different internal work buffering mechanisms, and the particulars of ASICBoost also change that dynamic, so non-AB Bitmain with multiple chips is pretty much a worst-case scenario for timing requirements. Barring unforseen disaster, I likely won't be using their chips again in the future. Leastways not anytime soon.

If you can get ASICBoost working on your NewPac setup, the timing is relaxed by about 3/4 on them. That means if you can handle two R808 on a Pi, you should be able to handle about three times the hashrate worth of NewPacs. Should be able, I haven't fully tested that exact setup yet.

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Wes0310
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May 16, 2019, 07:13:55 AM
 #350

Hi,

i have a issue with my Terminus R808.

I tried to connect to my RASPBERRY PI 3B+. But i can't receive a signal from the Terminus.
The blue light is on.
Also i tried to connect to Win PC. Also no signal.

My New Pac works great with both plattforms.

I hope you can help me.
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May 18, 2019, 04:54:36 PM
Last edit: May 18, 2019, 05:35:58 PM by flippintwit
Merited by frodocooper (2)
 #351

Hi,

i have a issue with my Terminus R808.

I tried to connect to my RASPBERRY PI 3B+. But i can't receive a signal from the Terminus.
The blue light is on.
Also i tried to connect to Win PC. Also no signal.

My New Pac works great with both plattforms.

I hope you can help me.

Which USB connection on the R808 are you using for the communications? The mini USB is for controller communications, the 'regular' (rectangular) USB provides 5V power, no data communications.
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September 05, 2019, 07:28:01 PM
 #352

Does anyone know the specifications for the fans or the part number?   My fans died and I put an old cpu fan sitting there but it doesn't work as well and I have to reduce frequency.  I know it's not worth buying the fans just to run this thing, but I'm giving it to a teenager for a project and I at least wanted to have the fans working for him.
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September 05, 2019, 09:42:11 PM
 #353

I got a bunch sitting in a box if you want replacements. Though really you'd be better off with upgrades. They're a pretty standard 50mm fan. I think someone around here probably posted a listing for better ones than stock.

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September 05, 2019, 10:56:20 PM
 #354

I got a bunch sitting in a box if you want replacements. Though really you'd be better off with upgrades. They're a pretty standard 50mm fan. I think someone around here probably posted a listing for better ones than stock.

I tried searching the hardware forum for r808 fan and the only post that came up was your OP on the r808.  If anyone still has that listing for the upgrade, please let me know.   If not I could buy the ones you have sitting in the box, it doesn't matter too much since I plan on giving it away anyway.
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September 05, 2019, 11:37:35 PM
 #355

There's links one page back.

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September 06, 2019, 12:04:52 AM
 #356

There's links one page back.

Of course there is.  Embarrassed

It didn't come up in the search and obviously I did not read through this entire thread.  Thanks.  I'll just order those Cooler Masters from Amazon.  I've had good results with Cooler Master fans on some computers I've built, so I'm sure they will do nicely.
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September 09, 2019, 01:14:10 PM
 #357

I thought they were 80mm fans? I put a noctua fan on the back end of the demo unit from pre release a while back. Not sure how wide the stock internal fan is though.

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September 09, 2019, 02:11:04 PM
 #358

Were you in business when the R808 was around? I'm pretty sure I didn't send you a demo unit. Also pretty sure you're thinking of the R606 but this is the thread for last year's model.

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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September 09, 2019, 02:13:16 PM
 #359

Sorry, may fault thinking r606.  . . .early morning eyes.

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