Cheap power, but yes. ROI is a struggle for every new piece of hardware right now. We're just here to help and have access if we hit a good count.

what frequencies are available by default?

Can you set a frequency other than the included ones via the browser/inspect or editing /config/cgminer.comf?

If so, I can move on, if not, I want get get the firmware and open it up.

-j

Dear Valuable Innosilicon Miner Customer,

We’re glad to inform you that the firmware of D9\D9+ has been updated again after day and night’s efforts of our Innosilicon Firmware team.

For your better user experience, please download on:
D9: http://www.innosilicon.com.cn/download/d9_20180816_081036.swu

D9+: http://www.innosilicon.com.cn/download/d9+_20180816_081229.swu

Upated items:
- Support mining the HCash

You can upgrade the firmware as shown below:

 
Please send email or add Skype miner_support@innosilicon.com.cn to our technical support team if you meet some problem when you update the firmware.

Innosilicon customer service team

What kind of power draw are you getting from the D9 the wall when you set these to efficient mode? I am thinking about picking one up used and was curious about the heat and noise levels when they are run in low power mode.

I did once already. /config/ is fully writeable. how encompassing is that command?

I got sick of the Miner crashing so I hodge-podged together a solution. Its a script that calls cgminer-api from one miner to the other, checking each other if they can receive data from cgminer and call a shutdown, pause and powerup to the TP-Link smart plugs (Pretty cheap! https://www.amazon.com/Kasa-Smart-Wi-Fi-TP-Link-2-Pack/dp/B01KBFWW0O) if no signal is received after multiple attempts.

I noticed when my A9's crash I loose the web interface. Still shows the pages but no data. I think my browser was just caching but I forget to verify that. I tried to view the log and login to SSH. Both didnt work. So in the off chance this call cgminer-api check method doesnt pan out, I'll just do something with SSH failing as a test point, or get actually hashrate from the API.

I could use some help if there are any linux pros here. Anyone know how to schedule a script to periodically run? There is no cron. Maybe i could install it? The A9 Linux seems to be setup to use Systemctl and Systemd as taskmanager/process controller. I tried to create a File.timer file but it wouldnt let me write the file to /etc/systemd/system/and Its too late to be wrapping my head around linux permission issues. I think it would be cool to have these checking up on each other and reasonable immediately power cycling. I could also rust run a script from windows if I could get Curl to take the syntax like the linux version does. Right now Im calling the scripts from Putty plink with a Windows Task scheduled every 10min. Ugly but it works.

On a related note, does anyone know how to set vm.min_free_kbytes permanently? I can just set it with my script but I am interested to know how to properly tweak it to survive a reboot. Its just a guess on what may help these A9's from crashing. I also put back -lowmem in cgminer.conf to see if that helps.

Thank you!

To be 100% certain before I do it, here are the steps??

login via putty

remount file system to read write:
"mount / -o rw,remount"

edit cgminer.service with vim
change this:
"ExecStart=/bin/cgminer -c /etc/cgminer.conf --api-listen --api-network --syslog --text only"

to this:

"ExecStart=/bin/cgminer -c /etc/cgminer.conf --api-listen --api-network --api-allow W:0/0 --syslog --text only"

Save/exit/reboot

Then AM will have privileged access?

Thanks in advance!

I'm about $3.40 a hour on nicehash. The thing for me is it's very consistent with payouts while as of the last few days WhatToMine shows the coins moving up/down in profit very quickly, so without switching coins I don't see how I can beat nicehash. I hope I can because I'd rather be mining coin! I know I can just buy them but it's not nearly as much fun... Anyone care to give easy instructions to enable the A9 to be controlled by AM? I found this post but can't imagine it could be this easy?
https://bitcointalk.org/index.php?topic=4547429.0

I got putty and know how to ssh in, use vim, etc.. Just got no clue at that point.

I won't accept that kind of CS when I am spending up to $50K.

That is why I switched to my personal agent I found on Alibaba.

Happy to make intro. PM me.

It wasnt very helpful, I was hail marrying. but for the sake of education/experimentation I'll share

I killed cgminer process with

systemctl stop cgminer

and ran directly from SSH, this would throw error msgs for bad commands and was easier for messing around. I'd use CTRL C to quit
This chain chip limiting command worked. never tried messing with the clock values, as im not exactly sure what clock it would be changing. I didnt error check this but it was something like:

cgminer -o stratum+tcp://us-east.equihash-hub.miningpoolhub.com:20575 -u USER -p x --api-listen --api-port 4028 --api-allow W:127.0.0.1 --T1noauto --T1Pll1 1250 --T1Pll2 1250 --T1Pll3 1250 --T1VID1 185 --T1VID2 185 --T1VID3 185 --A1Fanspd 100 --A1Fanmode 0 --bitmine-a1-options 0:0:0:6 -debug

Can anyone please post the number of cores reported when you miner initializes?  After PLL Clock and VID is set it comes up in the log.

or by SSH cgminer-api -o stats | sed 's/,/\n/g' | grep 'cores'

My 28ksol:
Num cores=370
Num cores=373
Num cores=373

My 50ksol:
Num cores=384
Num cores=375
Num cores=377


its not exactly a direct relation in performance to core count but im curious if the lower hashing units always have lower core counts.

I haven't Bought a new Oscilloscope yet as im still behind from buying my A9's. Dont even have a good multi meter here. But I see very little variation in 'cgminer-api -o stats' Min/Max voltage and nVol per chip. Its incredibly stable. I would suspect its not updating but I did see a very slight difference in reported value over time in performance mode. Think it was 0.001 Volts. lol.  Over and Under volt does nothing significant to performance. I may have gotten another 1ksol avg from overvolting, but i haven't done a comparison with hard data. Hardware Errors vs Valid Nounces seems to be what I need to compare. Whats crazy is underclocking down to 230Mhz didn't effect the error rate. And the errors are randomly spread across chips in a steady ratio.


cgminer-api -o stats | sed 's/,/\n/g' | grep -E 'found|HW'
00 HW errors=140
00 Nonces found=71
01 HW errors=146
01 Nonces found=74
02 HW errors=177
02 Nonces found=31
03 HW errors=89
03 Nonces found=117
04 HW errors=120
04 Nonces found=73
05 HW errors=103
05 Nonces found=112
06 HW errors=137
06 Nonces found=53
07 HW errors=104
07 Nonces found=118
08 HW errors=146
08 Nonces found=67
09 HW errors=77
09 Nonces found=121
10 HW errors=118
10 Nonces found=102
11 HW errors=61
11 Nonces found=136
00 HW errors=106
00 Nonces found=105
01 HW errors=113
01 Nonces found=107
02 HW errors=125
02 Nonces found=78
03 HW errors=54
03 Nonces found=149
04 HW errors=100
04 Nonces found=121
05 HW errors=100
05 Nonces found=122
06 HW errors=197
06 Nonces found=28
07 HW errors=84
07 Nonces found=138
08 HW errors=13
08 Nonces found=198
09 HW errors=156
09 Nonces found=35
10 HW errors=132
10 Nonces found=87
11 HW errors=179
11 Nonces found=22
00 HW errors=67
00 Nonces found=137
01 HW errors=80
01 Nonces found=135
02 HW errors=204
02 Nonces found=7
03 HW errors=55
03 Nonces found=159
04 HW errors=14
04 Nonces found=183
05 HW errors=63
05 Nonces found=139
06 HW errors=24
06 Nonces found=199
07 HW errors=102
07 Nonces found=98
08 HW errors=64
08 Nonces found=184
09 HW errors=42
09 Nonces found=175
10 HW errors=51
10 Nonces found=149
11 HW errors=68
11 Nonces found=155


So I don't know. My gut says these are bad chips and the supporting hardware is fine. But I cant really know that for sure until I get in there and do some measurements.

I was also playing around with
'bitmine-a1-options 0:0:390:0' to try and limit the spi speed - no idea if it did anything, took the command tho.
'bitmine-a1-options 0:0:0:6' to disable 6 chips in each chain. Workedm I got roughly 1/2 sols. but not exactly as poor hashing chips are randomly placed. Didnt really let it ramp up.

no, the "privileged" commands return the same error code, so I will try your suggestion
I couldn't find any documentation for the cgminer.service script, can I add the "--api-allow W:0/0" on the "[Service]" section?
BTW the cgminer.service is read-only and I cannot do any changes
 

I'm trying to send the command from a linux host:
and I get the response:
I have already tried to add the options:
or
with no luck

but from the same host I get response from the read-only command:

any suggestions?

I got this to work https://github.com/tsileo/pycgminer

In [1]: from pycgminer import CgminerAPI

In [2]: cgminer = CgminerAPI(host='xx.xx.xx.xx', port=4028)

In [3]: cgminer.summary()

Out[3]:
{u'STATUS': [{u'Code': 11,
   u'Description': u'sgminer 4.4.2',
   u'Msg': u'Summary',
   u'STATUS': u'S',
   u'When': 1532482199}],
 u'SUMMARY': [{u'Accepted': 184,
   u'Best Share': 15.84,
   u'Device Hardware%': 1584.0,
   u'Device Rejected%': 1584.0,
   u'Difficulty Accepted': 15.84,
   u'Difficulty Rejected': 15.84,
   u'Difficulty Stale': 15.84,
   u'Discarded': 506,
   u'Elapsed': 390,
   u'Found Blocks': 0,
   u'Get Failures': 0,
   u'Getworks': 17,
   u'Hardware Errors': 0,
   u'Last getwork': 1532482198,
   u'Local Work': 2323,
   u'MHS 15m': 17261.57,
   u'MHS 1m': 44043.96,
   u'MHS 5m': 34571.3,
   u'MHS 5s': 65758.97,
   u'MHS av': 49897.53,
   u'Network Blocks': 4,
   u'Pool Rejected%': 1584.0,
   u'Pool Stale%': 1584.0,
   u'Rejected': 0,
   u'Remote Failures': 0,
   u'Stale': 0,
   u'Total MH': 19472058.0,
   u'Utility': 28.29,
   u'Work Utility': 1563069.9}],
 u'id': 1}


In [7]: cgminer.devs()
Out[7]:
{u'DEVS': [{u'ASC': 0,
   u'Accepted': 87,
   u'Device Elapsed': 533,
   u'Device Hardware%': 0.0,
   u'Device Rejected%': 0.0,
   u'Difficulty Accepted': 9744225.0,
   u'Difficulty Rejected': 0.0,
   u'Enabled': u'Y',
   u'Hardware Errors': 0,
   u'ID': 0,
   u'Last Share Difficulty': 131070.0,
   u'Last Share Pool': 0,
   u'Last Share Time': 1532482339,
   u'Last Valid Work': 1532482339,
   u'MHS 15m': 8069.8,
   u'MHS 1m': 19662.56,
   u'MHS 5m': 14868.44,
   u'MHS 5s': 28061.91,
   u'MHS av': 18295.33,
   u'Name': u'HLT',
   u'Rejected': 0,
   u'Status': u'Alive',
   u'Temperature': 53.0,
   u'Total MH': 9744225.0,
   u'Utility': 9.8},


can't see anywhere where mentions clockspeeds... tried cgminer.devs() cgminer.devdetails()