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Topic: Avalon ASIC users thread - page 32. (Read 438575 times)

full member
Activity: 175
Merit: 100
January 08, 2014, 04:00:23 PM
With what resistor value did you achieve that ?

I used a 34K soldered on top of the 10.5K R10.

Note that this also increased power consumption to 1240w, probably not worth the hassle now given the escalating difficulty.   Undecided

btw, seasonics rock... I've been abusing this 1250w for 3 months now.

*knocks on wood*
legendary
Activity: 1610
Merit: 1000
January 08, 2014, 01:56:22 PM
My bad thanks for clarification  Wink

No bad at all... just a slight misunderstanding.
I've gained a lot of knowledge from your posts and have the utmost respect for you.   Smiley


That now is a sick overclock for a 3-module Avalon!
You must have volt-modded it.
What voltage are you providing for 465 Mhz ?

Mine too is a 3-module, but 3 of the 24 sub-modules are dead  Sad

~1.29v measured at C1.
It was running between 465 and 468 this morning only due to the extreme temps, lately it's been about 445 - 458.
Thanks dude I am flattered!
full member
Activity: 254
Merit: 100
January 08, 2014, 01:41:51 PM
With what resistor value did you achieve that ?
full member
Activity: 175
Merit: 100
January 08, 2014, 01:28:56 PM
My bad thanks for clarification  Wink

No bad at all... just a slight misunderstanding.
I've gained a lot of knowledge from your posts and have the utmost respect for you.   Smiley


That now is a sick overclock for a 3-module Avalon!
You must have volt-modded it.
What voltage are you providing for 465 Mhz ?

Mine too is a 3-module, but 3 of the 24 sub-modules are dead  Sad

~1.29v measured at C1.
It was running between 465 and 468 this morning only due to the extreme temps, lately it's been about 445 - 458.
full member
Activity: 254
Merit: 100
January 08, 2014, 11:46:45 AM

Condensation occurs on cold objects placed into warmer more humid air not warm objects in colder air.
Just don't apply power when moving it from cold air to warm air until it acclimates to the change.
A hair dryer works if you're in a hurry and not a bad idea to check for condensation before starting it.   Wink

I keep mine in my attic which hit ~ 0F yesterday morning.




That now is a sick overclock for a 3-module Avalon!
You must have volt-modded it.
What voltage are you providing for 465 Mhz ?

Mine too is a 3-module, but 3 of the 24 sub-modules are dead  Sad
legendary
Activity: 1610
Merit: 1000
January 08, 2014, 10:54:34 AM
My Avalon, enjoying the weather outside  Cheesy


Scary  Smiley
at -12 if i read it correctly some condense may appear when cold air hits aluminum heat sinks Huh

Condensation occurs on cold objects placed into warmer more humid air not warm objects in colder air.
Just don't apply power when moving it from cold air to warm air until it acclimates to the change.
A hair dryer works if you're in a hurry and not a bad idea to check for condensation before starting it.   Wink

I keep mine in my attic which hit ~ 0F yesterday morning.



My bad thanks for clarification  Wink
sr. member
Activity: 403
Merit: 250
January 08, 2014, 10:41:35 AM
smoothrunnings,

Thanks for that thread you referenced on Avalon troubleshooting.  I've successfully replaced my TP-Link with a Raspberry Pi and the machine is hashing away happily.  Thanks for your help.

H@shKraker
full member
Activity: 175
Merit: 100
January 08, 2014, 08:28:00 AM
My Avalon, enjoying the weather outside  Cheesy


Scary  Smiley
at -12 if i read it correctly some condense may appear when cold air hits aluminum heat sinks Huh

Condensation occurs on cold objects placed into warmer more humid air not warm objects in colder air.
Just don't apply power when moving it from cold air to warm air until it acclimates to the change.
A hair dryer works if you're in a hurry and not a bad idea to check for condensation before starting it.   Wink

I keep mine in my attic which hit ~ 0F yesterday morning.


sr. member
Activity: 294
Merit: 250
January 08, 2014, 07:39:58 AM
My Avalon, enjoying the weather outside  Cheesy


Scary  Smiley
at -12 if i read it correctly some condense may appear when cold air hits aluminum heat sinks Huh

yes, and seems your averages are 1MH above others. I'd move it inside again..
legendary
Activity: 1610
Merit: 1000
January 08, 2014, 03:30:35 AM
My Avalon, enjoying the weather outside  Cheesy


Scary  Smiley
at -12 if i read it correctly some condense may appear when cold air hits aluminum heat sinks Huh
sr. member
Activity: 351
Merit: 250
January 07, 2014, 11:06:03 PM
found this is the sys log Machine has been solid since disabling wifi and the firmware update. Thanks for all the help.Is the following anything I need to worry about:

Tue Jan  7 22:52:01 2014 cron.info crond[524]: crond: USER root pid 16744 cmd /usr/bin/cgminer-monitor
Tue Jan  7 22:54:01 2014 cron.info crond[524]: crond: USER root pid 16753 cmd /usr/bin/cgminer-monitor
Tue Jan  7 22:56:01 2014 cron.info crond[524]: crond: USER root pid 16762 cmd /usr/bin/cgminer-monitor
Tue Jan  7 22:58:01 2014 cron.info crond[524]: crond: USER root pid 16772 cmd /usr/bin/cgminer-monitor
Tue Jan  7 23:00:01 2014 cron.info crond[524]: crond: USER root pid 16850 cmd /usr/bin/cgminer-monitor
 Huh
full member
Activity: 254
Merit: 100
January 07, 2014, 04:17:52 PM
My Avalon, enjoying the weather outside  Cheesy

sr. member
Activity: 403
Merit: 250
January 07, 2014, 10:20:53 AM
smoothrunnings,

NOW we're cooking with gas.  Many thanks for that thread link.  I feel the "let's replace the TP-Link with a RasPi" option is my path to enlightenment.

H@shKraker
legendary
Activity: 1274
Merit: 1004
January 07, 2014, 09:53:17 AM
I know some people have mentioned this in the past, but I can't seem to find it any more.

Is there a command or cgminer setup flag through the web UI to restart cgminer automatically after a certain interval? I find using the default router as a host I get quite a few instances (a couple times a day) where cgminer will restart but won't detect the Avalon modules, and has to restarted manually. Power cycling isn't necessary, I can just hit Save&Apply in the config tab to quickly restart cgminer again, and it picks up the controller and starts back up.

Under System|Scheduled Tasks is the Crontab. I found this doing a search... Hope it works

59 2, 15 * * * /sbin/shutdown -r +5

it should reboot at 2:59am and 3:59pm every day.

That will reboot entire unit. which i see as useless. All you need is restarting cgminer.
Mines been running for 30days+ with ok hashrates using this: (only cgminer restart every 3 hours)
*/2 *  *   *   *     /usr/bin/cgminer-monitor
0  */3 *   *   *     /etc/init.d/cgminer restart
Excellent, that works well. A little googling helped with the syntax and I switched it up to
*/30 *  *   *   *     /etc/init.d/cgminer restart
in order to get it to restart every half hour. A little testing showed that it take about 20 seconds after a restart to have accepted shares at the pool, so even at a half hour it's only 1% downtime.
sr. member
Activity: 378
Merit: 250
January 06, 2014, 06:17:06 PM
i sell one defective module to fasmax

@ fasmax do you receive my module ?
Not received yet.
Still looking for 1 more defective module that's not mining.
sr. member
Activity: 462
Merit: 250
January 06, 2014, 12:14:00 PM
i sell one defective module to fasmax

@ fasmax do you receive my module ?
hero member
Activity: 630
Merit: 501
January 06, 2014, 08:11:09 AM

You would need to replace the entire module, the sub boards are fabricated at one large board which = 1 module.

I am in the same boat as you, my 29 sub board is dead for some reason even though there is nothing burnt on it.

There is a score between pairs of sub modules on some board versions.  I have used the heat sink as a support, and snapped the board at the score to remove a dead sub module pair.


Do you think you could have used a dermal tool to cut along the score. Snapping seems a little risky.
 

I love Dremel tools. 

I was very concerned how it would turn out.  That is why I placed it on the heat sink, as it is very flat and had a sharp machined edge at exactly the right place to match the score.  My board snapped completely cleanly before I had depressed the unsupported end by a finger width. 


The reason I ask is because I just bought a broken module from a fellow forum member.
I do not have a controller to use with the module.
I am going to try and separate the module into smaller units and build some Klondike controllers to interface the modules to USB.


Which forum did you find the broken module in, or you posted in?

I wonder too if all you can use a sub from a B2 or B3 in a B1, or if you need to find a B1 sub?

hero member
Activity: 630
Merit: 501
January 06, 2014, 08:08:10 AM
Question,

what's the longest PSU you can stick inside a Avy B1 and B2 unit?

newbie
Activity: 41
Merit: 0
January 06, 2014, 08:05:44 AM

You would need to replace the entire module, the sub boards are fabricated at one large board which = 1 module.

I am in the same boat as you, my 29 sub board is dead for some reason even though there is nothing burnt on it.

There is a score between pairs of sub modules on some board versions.  I have used the heat sink as a support, and snapped the board at the score to remove a dead sub module pair.


Do you think you could have used a dermal tool to cut along the score. Snapping seems a little risky.
 

I love Dremel tools.  

I was very concerned how it would turn out.  That is why I placed it on the heat sink, as it is very flat and had a sharp machined edge at exactly the right place to match the score.  My board snapped completely cleanly before I had depressed the unsupported end by a finger width.  


The reason I ask is because I just bought a broken module from a fellow forum member.
I do not have a controller to use with the module.
I am going to try and separate the module into smaller units and build some Klondike controllers to interface the modules to USB.


I saw your ad and that what gave me the idea of trying to fix my bad sub-module. I'm not going to try and compete with you trying to buy bad avay mods...but if you run across any and want to sell one of the working mods, please let me know. If I find any, I will do the same.
hero member
Activity: 630
Merit: 501
January 06, 2014, 07:59:40 AM
smoothrunnings,

Yep ... Tried everything you mentioned and nothing works.  I believe I "bricked" the TL-WR703N module.  The reason I think this is that is I observed the TL-WR703N board during power up the blue LED no longer comes on signifying an attempt at Ethernet physical layer connection (i.e OSI layer 1 attempt).  This previously was not the case as the blue LED ALWAYS came on and provided expected blink sequences during start-up and operation.  Oh THE HUMANITY!!!!  Do you (or anyone else for that matter) have any more ideas I might try?

H@shKraker

Have a look at this tread it may offer you answer.

https://bitcointalksearch.org/topic/official-avalon-technical-support-thread-156323

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