GekkoScience Terminus R808 Miner Official Support Thread

[avulsionist]

try a different computer if you can or different power supply.
What speed are you trying to hash at?

I did try that. Used the power supply from the Terminus that has been fine since in got the, on a desktop and another Pi. Still only shows zero chips detected.

This one has only been running at 200 since I got it back from Sidehack.

I guess I'll have to send it back.

This is what I see.

Code:

 [2018-05-21 19:43:18.907] GSE 19: setting frequency to 100.00MHz
 [2018-05-21 19:43:24.144] GSE 20: Terminus BM1384 Bitcoin Miner (10030156)
 [2018-05-21 19:43:24.353] GSE 20: found 0 chip(s)
 [2018-05-21 19:43:24.354] Hotplug: GekkoScience added GSE 20
 [2018-05-21 19:43:24.354] GSE 20 failure, disabling!
 [2018-05-21 19:43:24.354] GSE 20: setting frequency to 100.00MHz
 [2018-05-21 19:43:29.586] GSE 21: Terminus BM1384 Bitcoin Miner (10030156)
 [2018-05-21 19:43:29.794] GSE 21: found 0 chip(s)
 [2018-05-21 19:43:29.795] Hotplug: GekkoScience added GSE 21
 [2018-05-21 19:43:29.795] GSE 21 failure, disabling!
 [2018-05-21 19:43:29.795] GSE 21: setting frequency to 100.00MHz
 [2018-05-21 19:43:30.532] Accepted 118fcd53 Diff 15/1 GSD 1 pool 1
 [2018-05-21 19:43:35.026] GSE 22: Terminus BM1384 Bitcoin Miner (10030156)
 [2018-05-21 19:43:35.236] GSE 22: found 0 chip(s)
 [2018-05-21 19:43:35.237] Hotplug: GekkoScience added GSE 22
 [2018-05-21 19:43:35.237] GSE 22 failure, disabling!
 [2018-05-21 19:43:35.237] GSE 22: setting frequency to 100.00MHz
 [2018-05-21 19:43:39.149] Accepted 3f151b25 Diff 4/1 GSD 1 pool 2
 [2018-05-21 19:43:39.267] Accepted 099b3970 Diff 27/16 GSD 1 pool 3
 [2018-05-21 19:43:39.420] Accepted 0fdb6196 Diff 16/16 GSD 1 pool 3
 [2018-05-21 19:43:40.474] GSE 23: Terminus BM1384 Bitcoin Miner (10030156)
 [2018-05-21 19:43:40.682] GSE 23: found 0 chip(s)
 [2018-05-21 19:43:40.683] Hotplug: GekkoScience added GSE 23
 [2018-05-21 19:43:40.683] Accepted 25f4b5d6 Diff 7/1 GSD 1 pool 2
 [2018-05-21 19:43:40.683] GSE 23 failure, disabling!
 [2018-05-21 19:43:40.683] GSE 23: setting frequency to 100.00MHz

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[goose1072]

yeah you're going to have to send it back I had one like that not too long ago.

[Ecnad]

What size are the screws holding the fans on? I need some longer ones for upgraded fans. Know the length I need, but not the M size

[sidehack]

All my heatsink screws to date are various lengths of M3.

[Ecnad]

My thoughts after some time with these:

Don' use power bricks. They can't properly power them. I bought the highest rated 12v 6a bricks and they weren't up to the task. Two burned out completely, and another kept putting the pod in zombie status.
The ones connected to a PSU (EVGA Supernova 550) ran 20 days before needing a reboot.

Of my six units, two were giving me issues with shutting off or inability to reach higher frequencies. I replaced the stock fans on them with ones from cooler-master that have twice the airflow rating (https://amzn.to/2xvCzZh) [and 50mm M3 screws] and that's got them in line. One still doesn't want to go above 200mhz, but that one was giving me trouble from day one and Sidehack had agreed to take a look at it, but now that I've got it stable at 200, I'm fine with it.

The 550 PSU is now powering all 6 at 200mhz and putting out a combined 536 GH/s which is right in line (slightly better) than the predicted output.

As I live in the south and it is 109 here with the heat index, I have 2 140mm fans adding to the fan power and neither the noise nor heat are bothersome. Excuse the lack o cable management, was still fiddling with them this morning. They are mounted in a line to maximize airflow through the heatsink channels, and when it's really warm in my office I add a third 140 to the end to help push the warm air away from the pods.

Bottom line: I love these pods, and they are perfect for summer mining in a small home farm.

http://biggerdiapers.com/gek.jpg

[avulsionist]

My thoughts after some time with these:

Don' use power bricks. They can't properly power them. I bought the highest rated 12v 6a bricks and they weren't up to the task. Two burned out completely, and another kept putting the pod in zombie status.
The ones connected to a PSU (EVGA Supernova 550) ran 20 days before needing a reboot.

Of my six units, two were giving me issues with shutting off or inability to reach higher frequencies. I replaced the stock fans on them with ones from cooler-master that have twice the airflow rating (https://amzn.to/2xvCzZh) [and 50mm M3 screws] and that's got them in line. One still doesn't want to go above 200mhz, but that one was giving me trouble from day one and Sidehack had agreed to take a look at it, but now that I've got it stable at 200, I'm fine with it.

The 550 PSU is now powering all 6 at 200mhz and putting out a combined 536 GH/s which is right in line (slightly better) than the predicted output.

As I live in the south and it is 109 here with the heat index, I have 2 140mm fans adding to the fan power and neither the noise nor heat are bothersome. Excuse the lack o cable management, was still fiddling with them this morning. They are mounted in a line to maximize airflow through the heatsink channels, and when it's really warm in my office I add a third 140 to the end to help push the warm air away from the pods.

Bottom line: I love these pods, and they are perfect for summer mining in a small home farm.

http://biggerdiapers.com/gek.jpg

Thats great info. I have been meaning to find a good replacement fan I have also found adding some riser feet or having the bottom exposed helped with the heat dissipation and stability of my little 2 unit setup. (one is in for repair currently)

[sidehack]

While I'm pretty darn disappointed with this product as a whole, it certain served as educational. Customer feedback about fan inadequacy and improved stability with increased underside airflow, stuff like that, is being factored in to the new version's design.

The next version will have heatsinks top and bottom, and come in an enclosure with a single fan (probably 80mm or 92mm or whatever's standard and fits well) blowing sideways through both heatsinks. If you can picture a New R-Box, except in about a four-inch cube. Improved cooling, probably improved fan control, and stackable. The new one will also integrate software voltage control and cgminer will report both chip and PCB temperatures (I've already talked to VH about making fan control profiles in the driver). I'm designing the control package for that right now (just got some new parts in today to play with) for the new stickminer, and it'll be used on every new miner (of any size) going forward.

We've also done a fair bit of work tweaking the manufacturing processes and other issues which contributed to the general unreliability of the Terminus R808. The new one will be tested more extensively before shipping to prevent the warranty nightmare I'm still dealing with on the blue boards.

So, thanks for the feedback on what needs to be improved.

[Ecnad]

v2 sounds awesome, can't wait.

[avulsionist]

Same.
Would buy.
I still love the R808. It's a sturdy little self contained low power workhorse

[kunemubez]

nice info

[olseh]

While I'm pretty darn disappointed with this product as a whole, it certain served as educational. Customer feedback about fan inadequacy and improved stability with increased underside airflow, stuff like that, is being factored in to the new version's design.

The next version will have heatsinks top and bottom, and come in an enclosure with a single fan (probably 80mm or 92mm or whatever's standard and fits well) blowing sideways through both heatsinks. If you can picture a New R-Box, except in about a four-inch cube. Improved cooling, probably improved fan control, and stackable. The new one will also integrate software voltage control and cgminer will report both chip and PCB temperatures (I've already talked to VH about making fan control profiles in the driver). I'm designing the control package for that right now (just got some new parts in today to play with) for the new stickminer, and it'll be used on every new miner (of any size) going forward.

We've also done a fair bit of work tweaking the manufacturing processes and other issues which contributed to the general unreliability of the Terminus R808. The new one will be tested more extensively before shipping to prevent the warranty nightmare I'm still dealing with on the blue boards.

So, thanks for the feedback on what needs to be improved.

This is why the community supports you mate. You listen to feedback and always strive for the best. That and you don't want to screw the buyer with price. While I didn't get the pod I got both versions of stickminers and look forward to seeing AND buying your next product.

Thanks for all the hard work

[sunk818]

I replaced the stock fans on them with ones from cooler-master that have twice the airflow rating (https://amzn.to/2xvCzZh) [and 50mm M3 screws] and that's got them in line.
The 550 PSU is now powering all 6 at 200mhz and putting out a combined 536 GH/s which is right in line (slightly better) than the predicted output.

http://biggerdiapers.com/gek.jpg

So, you replaced the fans that come with R808 then added additional fans? Which direction do the fans blow?

I guess I lucked out because the power brick and delivered fans are able to get me to 200Mhz just fine... getting around 80Gh-85Gh.

[Ecnad]

I replaced the stock fans on them with ones from cooler-master that have twice the airflow rating (https://amzn.to/2xvCzZh) [and 50mm M3 screws] and that's got them in line.
The 550 PSU is now powering all 6 at 200mhz and putting out a combined 536 GH/s which is right in line (slightly better) than the predicted output.

http://biggerdiapers.com/gek.jpg

So, you replaced the fans that come with R808 then added additional fans? Which direction do the fans blow?

I guess I lucked out because the power brick and delivered fans are able to get me to 200Mhz just fine... getting around 80Gh-85Gh.

I replaced the stock fans, yes. The air flows down through the fins of the heatsink. As does the larger fans I have on top super-charging the air-flow.

[goose1072]

I also got lucky I guess, getting 80-85 and sometimes jumping to 100 on one of them running @ 200mhz.
I am using a server PSU 750w to power all four of my R808's, one is currently at repair so right now it's 3.
I had them at 225Mhz and 250Mhz at one time for a day or so but was scared that they wouldn't get enough cooling, they have never gotten too hot to touch.
At 250Mhz they were nice and warm and with 200Mhz they feel like room temperature, got to get me one of those laser temperature things...lol
I have them in a controlled environment that stays at 65f all day every day.

[flippintwit]

The next version will have heatsinks top and bottom, and come in an enclosure with a single fan (probably 80mm or 92mm or whatever's standard and fits well) blowing sideways through both heatsinks. If you can picture a New R-Box, except in about a four-inch cube. Improved cooling, probably improved fan control, and stackable. The new one will also integrate software voltage control and cgminer will report both chip and PCB temperatures (I've already talked to VH about making fan control profiles in the driver). I'm designing the control package for that right now (just got some new parts in today to play with) for the new stickminer, and it'll be used on every new miner (of any size) going forward.

A power tap for a second, optional user supplied fan, setup in a push-me/pull-you configuration would be a good 'feature' to add is it's not too late.

Don't forget, flashy-flashy lights are a MUST HAVE!

Willing to sell any R808 'Seconds?'

[sidehack]

Really not sure why that'd be necessary. Not like we're going through a lot of constriction.

No R808 in any condition is for sale.

[f5525]

Hi VH,

The miner has been in zombie mode for the past few days.
I updated CGMiner, lower the freq to default, and tried different pools but still the same.
The blue light is constant and both fans are running.
I read the voltage across the reset pins and it cycles between zero and 1.41 volts.
I'm not sure what else to try now.

Thanks

 cgminer version 4.10.0 - Started: [2018-06-23 17:16:25.577]
--------------------------------------------------------------------------------
 (5s):0.000 (1m):0.000 (5m):0.000 (15m):0.000 (avg):0.000h/s
 A:0  R:0  HW:0  WU:0.0/m
 Connected to stratum.antpool.com diff 16.4K with stratum as user fh5525s.1
 Block: 320a60e3...  Diff:5.08T  Started: [17:16:25.579]  Best share: 0
--------------------------------------------------------------------------------
U]SB management [P]ool management S]ettings [D]isplay options [Q]uit
 0: GSE 10030218:                         | ZOMBIE
--------------------------------------------------------------------------------
[2018-06-23 17:17:35.303] GSE 12: found 0 chip(s)
 [2018-06-23 17:17:35.310] Hotplug: GekkoScience added GSE 12
 [2018-06-23 17:17:35.310] GSE 12 failure, disabling!
 [2018-06-23 17:17:35.311] GSE 12: setting frequency to 100.00MHz
 [2018-06-23 17:17:40.710] GSE 13: Terminus BM1384 Bitcoin Miner (10030218)
 [2018-06-23 17:17:41.114] GSE 13: found 0 chip(s)
 [2018-06-23 17:17:41.121] Hotplug: GekkoScience added GSE 13
 [2018-06-23 17:17:41.122] GSE 13 failure, disabling!
 [2018-06-23 17:17:41.122] GSE 13: setting frequency to 100.00MHz
 [2018-06-23 17:17:46.519] GSE 14: Terminus BM1384 Bitcoin Miner (10030218)
 [2018-06-23 17:17:46.925] GSE 14: found 0 chip(s)
 [2018-06-23 17:17:46.932] Hotplug: GekkoScience added GSE 14
 [2018-06-23 17:17:46.933] GSE 14 failure, disabling!
 [2018-06-23 17:17:46.937] GSE 14: setting frequency to 100.00MHz
 [2018-06-23 17:17:52.338] GSE 15: Terminus BM1384 Bitcoin Miner (10030218)
 [2018-06-23 17:17:52.743] GSE 15: found 0 chip(s)

[meckanic]

I bought a few these units, have to say they work pretty nice. My only problem is getting to the max hashrate speed. You know the heating problems. Any solutions out there? I have noticed fan slowdown approaching fan failure on these units, a couple of times 1 of the fans refused to start, but it is a fan bearing issue. I don't want to zombie these units, so I keep extra fans on them at all times and I don't run them higher than 200mhz.

Just looking for a good thermal solution to run them at the full 480 gh/s.

Cheers

[sidehack]

I'm assuming 480GH is the desired aggregated speed from at least 4 units? That's about 275MHz, which is pushing pretty hard. Some people reported taller feet and under-board airflow helped increase stability. The actual limit on this board is thermal derating of the main regulator, which is the rectangular add-on board in the corner by the pot. Keeping that cool will also help.

Yes the fans on these are pretty crappy and I won't be using them again.

[avulsionist]

I bought a few these units, have to say they work pretty nice. My only problem is getting to the max hashrate speed. You know the heating problems. Any solutions out there? I have noticed fan slowdown approaching fan failure on these units, a couple of times 1 of the fans refused to start, but it is a fan bearing issue. I don't want to zombie these units, so I keep extra fans on them at all times and I don't run them higher than 200mhz.

Just looking for a good thermal solution to run them at the full 480 gh/s.

Cheers

These got these fans on recommendation of another uses. https://amzn.to/2xvCzZh
You also need to get longer screws.
https://www.amazon.com/gp/product/B00918GW0Y/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1

 But for max speed, 200 MHz is the default as well as the only guaranteed rate. I had one that would do 275 but the other errors out even with increased cooling at 225 so I keep it at 200.