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1  Bitcoin / Bitcoin Technical Support / Re: extra nonce? on: December 03, 2018, 05:24:10 PM
This is probably due to ASICboost version rolling.


https://asicboost.dance/
2  Economy / Speculation / Re: Wall Observer BTC/USD - Bitcoin price movement tracking & discussion on: November 19, 2018, 02:57:45 AM
These days college is just motivation to learn something. You could just as quickly learn everything on your own, but most "kids" don't have enough self-motivation to do it, so college is a good choice.

Unrelated to discussion: I have a question regarding one of your old posts, any chance you could enable PMs from Newbies?
3  Bitcoin / Mining support / Re: Antminer s9i hangs at "After restore: chain[7] PIC fw version=0xcc" on: July 09, 2018, 01:03:10 AM
Okay so, for anyone experiencing this, flashing the latest firmware seemed to relieve the issue thus far.
I'll update this thread if I start having the problem again, I'll keep my fingers crossed! Smiley

(I think I have a record for making a thread before debugging anything....)
4  Bitcoin / Mining support / Antminer s9i hangs at "After restore: chain[7] PIC fw version=0xcc" on: July 09, 2018, 12:43:17 AM
Hi guys, I figured I would post here to see if anyone else has encountered this issue before.
After doing a simple reboot from the Antminer's web panel, the miner would not longer begin mining.
The web panel would become active, but the hashboards would not mine at all.

After doing a bit of searching I found that the kernel log would get to:
Code:
main.c:13630: use critical mode to search freq...
driver-bitmain.c:2374: get PLUG ON=0x000000e0
driver-bitmain.c:2444: Find hashboard on Chain[5]
driver-bitmain.c:2444: Find hashboard on Chain[6]
driver-bitmain.c:2444: Find hashboard on Chain[7]
driver-bitmain.c:1831: set_reset_allhashboard = 0x0000ffff
main.c:1844: Check chain[5] PIC fw version=0x03
main.c:1844: Check chain[6] PIC fw version=0x03
main.c:1844: Check chain[7] PIC fw version=0xcc
main.c:1865: chain[7] PIC need restore ...
main.c:1872: After restore: chain[7] PIC fw version=0xcc

Here is the full kernel log: https://pastebin.com/raw/e9VB2W9N

The miner also did not have the flashing green light indicating that it was OK, but it also did not have the flashing red light either.
The only instance I could find of the "version=0xcc" was a post here (https://bitcointalk.org/index.php?topic=2383200) which seemed to indicate an issue with the firmware of the hashboard on an L3+, so I'm not sure if that still applies to other bitmain hardware.

I'm sorry if this may sound naive, I do not understand much of the technical details provided by the kernel log. :/

If there is any other information that may help, please let me know.

Thank you!
5  Bitcoin / Mining support / Re: S9 fans speed get slower if applying external cold air? on: July 05, 2018, 03:33:57 AM
70f  = good
80f   = okay
90f   = not so good
100f = bad

70f/20c? hahaha I'll have what he's having!
6  Bitcoin / Mining support / Re: Question Regarding Ductwork on: June 24, 2018, 05:04:55 PM
Gods forbid you perhaps read one of the MANY existing threads on this... Most recent is here

Thanks for the link.
7  Bitcoin / Mining support / Question Regarding Ductwork on: June 24, 2018, 04:16:58 AM
Hi there, I'm currently running several Antminers in a spare room in my basement and the room they are located in gets quite hot, especially now that it is summer time.

I purchased some 3d printed shrouds that screw right overtop of the exhaust fans and can be connected to duct work.
I have been considering buying the appropriate duct work and use a duct collar to mount the exhaust duct out my window.

My main question is, will the force of the air exiting the antminer be enough to push all the air through the duct without overheating the miner itself?
The miner is quite a few feet below the window, and since heat rises I would assume most of the heat would exit through the vent hole, though I am not sure.
I have also seen "in-line boosters" which look like they could help, but are quite expensive when you span them over several miners.

Any thoughts are much appreciated, Thank you Smiley
8  Bitcoin / Mining software (miners) / Re: Troubles Getting Temperature/Other Stats with CGMiner API on: June 23, 2018, 02:53:31 AM
Antminers use a modified version of cgminer. I think that the 'stats' command will give you what you are looking for. temp_6 temp_7 temp_8 are your pcb/local temps and then temp2_6 temp2_7 temp2_8 are your chip temps. chain6 is rightmost board, chain8 is left.

Aha, you're right. Thank you!!!
9  Bitcoin / Mining software (miners) / Troubles Getting Temperature/Other Stats with CGMiner API on: June 22, 2018, 11:33:42 PM
Hi there, I'm currently working on an Arduino script to pull data from my Antminer s9i's.

So far, I have been able to play around with the included PHP script (https://github.com/ckolivas/cgminer/blob/7ffd24607c385be643a013e9f9615b84dbdce4ac/miner.php) and get the "Summary" page to return just fine.
Although, when I attempt to get the temperatures provided by the 'devs' (https://github.com/ckolivas/cgminer/blob/master/API-README#L167) command, I simply get an array with the status message being "Error" and the Message being "No"
Therefore, I am assuming I need to modify some sort of permissions to access this part of the API.
I thought I had read somewhere that all devices on the local network would be included, though that could be outdated information.

I have looked around and I still am unsure where I can modify the permissions for accessing these features in the API.
I would greatly appreciate it if someone can share the information with me Smiley

Thanks!! (PS: I apologize if this does not make complete sense, I am still trying to figure out how CGMiner works on Antminers)
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