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Author Topic: Avalon ASIC users thread  (Read 432421 times)
Elokane
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June 25, 2013, 03:27:28 PM
 #1281

how do we add these to the cgminer config?

You add them to the last config field, "More Options(Default: --quiet)".

Seconding the request for frequency report.

Edit: Actually I see now that frequency changed in the cgminer status page with this option on. Good job. Cheesy

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June 25, 2013, 03:47:52 PM
 #1282

Hi.

I've uploaded a new firmware with the about-to-be-released cgminer 3.3.1 with 2 new features which I hope you'll like:

http://ck.kolivas.org/apps/cgminer/avalon/20130626/openwrt-ar71xx-generic-tl-wr703n-v1-squashfs-factory.bin

--avalon-auto       Adjust avalon overclock frequency dynamically for best hashrate
--avalon-cutoff <arg> Set avalon overheat cut off temperature (default: 60)


yes I like it very much;) be sure to get a little donation from me

in which frequency and time steppings --avalon-auto adjusts the frequency?

edit: other question deleted got the answer by reading the changelog;)

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June 25, 2013, 03:53:14 PM
 #1283

Is there a relationship between HW errors and temperature? I.e. is it better to let the fans work harder and make more noise even though the machine can handle 48-50c well to reduce them?

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June 25, 2013, 03:54:54 PM
 #1284

Is there a relationship between HW errors and temperature? I.e. is it better to let the fans work harder and make more noise even though the machine can handle 48-50c well to reduce them?
I have the same question.
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June 25, 2013, 03:55:22 PM
 #1285

Hi.

I've uploaded a new firmware with the about-to-be-released cgminer 3.3.1 with 2 new features which I hope you'll like:

http://ck.kolivas.org/apps/cgminer/avalon/20130626/openwrt-ar71xx-generic-tl-wr703n-v1-squashfs-factory.bin

--avalon-auto       Adjust avalon overclock frequency dynamically for best hashrate
--avalon-cutoff <arg> Set avalon overheat cut off temperature (default: 60)


yes I like it very much;) be sure to get a little donation from me

in which frequency and time steppings --avalon-auto adjusts the frequency?

Thanks appreciate the donations ^_^  

It goes up by 2Mhz and down by 1 at a time, and the timeout is automatically adjusted via my new algorithm based on the highest I could find that wouldn't create dupes (the previous values still would on occasion). I spent a few hours playing with what ratio of hardware errors to hashrate yielded close to the ideal amount. It will be interesting to see if those with massive cooling, extra power, setting their target temp lower and so on, what speeds it will tune to. Mine sits at 351.

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June 25, 2013, 03:56:27 PM
 #1286

Is there a relationship between HW errors and temperature? I.e. is it better to let the fans work harder and make more noise even though the machine can handle 48-50c well to reduce them?
I have the same question.
There is a relationship, but you'll have to experiment and tell me what you find yourself. It's cold here so nothing runs hot even with fans at their lowest.

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June 25, 2013, 04:05:21 PM
 #1287

What is an acceptable HW:Accepted ratio?
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June 25, 2013, 04:05:48 PM
 #1288


Hi.

I've uploaded a new firmware with the about-to-be-released cgminer 3.3.1 with 2 new features which I hope you'll like:

http://ck.kolivas.org/apps/cgminer/avalon/20130626/openwrt-ar71xx-generic-tl-wr703n-v1-squashfs-factory.bin

--avalon-auto       Adjust avalon overclock frequency dynamically for best hashrate
--avalon-cutoff <arg> Set avalon overheat cut off temperature (default: 60)

this is in addition to the existing options:

--avalon-options <arg> Set avalon options baud:miners:asic:timeout:freq
--avalon-temp <arg> Set avalon target temperature (default: 50)





my batch 2 did not enjoy any of that a constant rate of 129mh/s..... all discarded.
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June 25, 2013, 04:23:53 PM
 #1289

Hi.

I've uploaded a new firmware with the about-to-be-released cgminer 3.3.1 with 2 new features which I hope you'll like:

http://ck.kolivas.org/apps/cgminer/avalon/20130626/openwrt-ar71xx-generic-tl-wr703n-v1-squashfs-factory.bin

--avalon-auto       Adjust avalon overclock frequency dynamically for best hashrate
--avalon-cutoff <arg> Set avalon overheat cut off temperature (default: 60)

this is in addition to the existing options:

--avalon-options <arg> Set avalon options baud:miners:asic:timeout:freq
--avalon-temp <arg> Set avalon target temperature (default: 50)



My 2 avalons sitting at 355/352. Temps 35/41 and 35/39
--avalon-temp 40

With strombom firmware they run @365 86.9 GH after 20h


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elasticband
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June 25, 2013, 04:26:15 PM
 #1290

http://www.amazon.co.uk/Corsair-Professional-Series-Modular-Platinum/dp/B00A74X9SO/ref=dp_ob_title_ce

http://www.amazon.co.uk/Corsair-AX750-Professional-Series-Modular/dp/B003QP417E/ref=sr_1_2?ie=UTF8&qid=1372177350&sr=8-2&keywords=corsair+750w+gold

http://www.amazon.co.uk/Corsair-HX750-Professional-Series-Modular/dp/B008O0RUVU/ref=sr_1_1?ie=UTF8&qid=1372177350&sr=8-1&keywords=corsair+750w+gold


which one do i want to get?
ebereon
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June 25, 2013, 04:26:21 PM
 #1291

Hi.

I've uploaded a new firmware with the about-to-be-released cgminer 3.3.1 with 2 new features which I hope you'll like:

http://ck.kolivas.org/apps/cgminer/avalon/20130626/openwrt-ar71xx-generic-tl-wr703n-v1-squashfs-factory.bin

--avalon-auto       Adjust avalon overclock frequency dynamically for best hashrate
--avalon-cutoff <arg> Set avalon overheat cut off temperature (default: 60)

this is in addition to the existing options:

--avalon-options <arg> Set avalon options baud:miners:asic:timeout:freq
--avalon-temp <arg> Set avalon target temperature (default: 50)

My 2 avalons sitting at 355/352. Temps 35/41 and 35/39
--avalon-temp 40

With strombom firmware they run @365 86.9 GH after 20h

   [timeout] => 33
   [frequency] => 354

I think the timeout is to low. With 365 i had to change timeout to 36 to avoid restarts.

██
█║█
║║║
║║║
█║█
██
'BTC MULTI-WALLET SOON'
▬▬▬▬ Download WHITEPAPER ▬▬▬▬

                    ▄██▄
                  ▄██████▄
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fhh
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June 25, 2013, 04:32:35 PM
 #1292


which one do i want to get?

the platinum one if you care about energy consumption

and think about this
http://www.amazon.co.uk/Corsair-Series-Platinum-CP-9020044-UK-Warranty/dp/B00AO0YRMI/ref=sr_1_1?s=computers&ie=UTF8&qid=1372177927&sr=1-1&keywords=corsair+860

has more reserve

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June 25, 2013, 04:33:28 PM
 #1293

can anyone recommend a fan to replace the blue fan on batch 1?
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June 25, 2013, 04:35:02 PM
 #1294


just spotted this one..... i presume it is better

http://www.amazon.co.uk/Corsair-Professional-Digital-Modular-Platinum/dp/B00A74X9T8/ref=sr_1_2?ie=UTF8&qid=1372178161&sr=8-2&keywords=corsair+750w+platinum


EDIT: http://www.amazon.co.uk/Seasonic-X-750-module-ATX12V-Supply/dp/B002VAFDQS/ref=sr_1_1?ie=UTF8&qid=1372178289&sr=8-1&keywords=seasonic+gold+750w

or the above?
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June 25, 2013, 05:06:26 PM
 #1295



That was i was missing. You suggest exhaust fan to lower the pressure right? What about pressure itself does it correlate to cooling? I mean higher pressure=better cooling?

If that is the case i will just switch blue fan of. I have noticed that intake temp raised "suddenly" with 3 degrees which is false of course i am measuring constantly with other tools:) Which proves the fact that a hot air hits tem sensor just below blue fan. In other words when pwm fans are operating in max it is completely useless. Is that true

PS: buy the way restarts may come from your script how often do you run it? Do you lose network connectivity. And finally i think cgminer needs at least 2 mins to consider pool is dead. So if your primary pool dies restart (cgminer monitor may restart it).


Pressure is decided by the fan speed, while the air flow affect the cooling effect

For example, you block all the exists, then there will be maximum pressue in the case but worst cooling effect. Cooling effect is decided by how quick you can move the air through the case. On a radiator, a push and draw configuration always works better than single fan configuration

My script always check every 3 minutes, but when I was running 0225 firmware and 300Mhz, machine can be up and running for more than 1 month and cgminer restarts every 1-5 days. So I'm not sure it is a firmware issue or a clock rate issue

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June 25, 2013, 05:17:37 PM
 #1296



That was i was missing. You suggest exhaust fan to lower the pressure right? What about pressure itself does it correlate to cooling? I mean higher pressure=better cooling?

If that is the case i will just switch blue fan of. I have noticed that intake temp raised "suddenly" with 3 degrees which is false of course i am measuring constantly with other tools:) Which proves the fact that a hot air hits tem sensor just below blue fan. In other words when pwm fans are operating in max it is completely useless. Is that true

PS: buy the way restarts may come from your script how often do you run it? Do you lose network connectivity. And finally i think cgminer needs at least 2 mins to consider pool is dead. So if your primary pool dies restart (cgminer monitor may restart it).


Pressure is decided by the fan speed, while the air flow affect the cooling effect

For example, you block all the exists, then there will be maximum pressue in the case but worst cooling effect. Cooling effect is decided by how quick you can move the air through the case. On a radiator, a push and draw configuration always works better than single fan configuration

My script always check every 3 minutes, but when I was running 0225 firmware and 300Mhz, machine can be up and running for more than 1 month and cgminer restarts every 1-5 days. So I'm not sure it is a firmware issue or a clock rate issue
Thank you for the update:-)
About restarts - pls try to figure out if they are related to poll issues

About fans I am planning to remove blue fan. Fill the fan hole to avoid air out and install two additional fans to suck hot air out. What do you think about it?

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June 25, 2013, 05:18:10 PM
 #1297

@elasticband

the 760i is having an USB connector (or similar)  to report fan speed and efficency to the computer
I don't think you can use this feature on the avalon;)

and still I think the 860 would be better
but it's your decision

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June 25, 2013, 06:38:07 PM
 #1298

remeber the talk about fans and cooling:

adding a fans and drilling a holes is completely different thing. So leting hot air out with decreased air presure may turn out to be better

front fans press "cool air" inside the PSU. drill holes will reduce the amount of cool air. so the PSU will die faster.

the air blow to PSU didn't go through module heatsink, so they are maintain cool.

drill holes about the PSU will let those valuable cool air run over...

PS: when temp3 is about 50 C, the chip die is only about 65C, completely no problem. not necessary to do too hard, we already over-engineered it for you.
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June 25, 2013, 06:54:58 PM
 #1299

The overclocking blew out my power supply.  My "silver" unit had an Antec Green 650W power supply.  I ran to the store and they had a Corsair 800W and I got it working again.
It was expected dude

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June 25, 2013, 06:55:08 PM
 #1300

How high did you go?

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