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Author Topic: Antminer Z9 mini overclocked  (Read 22627 times)
DR_BamBam
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September 13, 2018, 03:59:31 PM
 #301

Quote
almost every antminer (even older models) has one additional connection. I thought the same but no one did it before. I doubt that bitmain will send you a new board (solo) for 200 usd.

Im sure they will since another user on this forum got one sent to him after he burned out a board, my question is will it work ? Im hoping some one with 2 units can set one up and test it, if it works i will hit up bitmain and say i fried one of my boards due to overclocking and i can order a replacement just like the other user.

the post is some where in this thread
https://bitcointalk.org/index.php?topic=3509006.0
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Tailgunner
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September 13, 2018, 04:18:54 PM
 #302


Is it dangerous to connect multiple ASICs from one PSU?  Roll Eyes Roll Eyes Roll Eyes
I don't think so. I currently have 5 z9 minis connected to 2 apw3++ psus on 110v without issue. However the above poster must be using a splitter to connect all 3 to 1 PSU which from what I understand is something you are NOT supposed to do.
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September 13, 2018, 04:31:02 PM
 #303


Is it dangerous to connect multiple ASICs from one PSU?  Roll Eyes Roll Eyes Roll Eyes

OK to drive multiple things from one PSU.  (Think of your house - 1 PSU for your whole city)

Don't mix PSUs on a single device.

I have an IBM 2880 watt server PSU and running 4 Minis off of it.  Previously running 2x S9's off of it.
fanatic26_
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September 13, 2018, 04:41:04 PM
 #304

Batch 2 z9 minis checking in.

Both stable at 675

Seeing 16k/sols from one and 15.7 k/sols from the other pool side. Its actually more than what the local console is reporting. Anything over 675 drops boards within 12 hours.
grinbuck
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September 13, 2018, 05:49:33 PM
Last edit: September 13, 2018, 06:00:00 PM by grinbuck
 #305

Hello since i am still newbie i cannot send private message to you. Can you please send me in pm link of that firmware (Filename: Antminer-Z9-Mini-201805262047-500M.tar.gz) , there is none at bitmain page anymore. Thanks in advance!

Here you go - just in case it's the firmware that's locking down overclocking and not the 'silicon lottery'.

https://drive.google.com/open?id=1y3poGmeOpeZuAy4rvfT4uZ1Z7tozjTLx

Cheers!

EDIT: Had inserted the wrong link by mistake initially. Have updated it. Should be working now.

BTC: 37x5L8wq3pRxjDof6g2CnwgSrt34C5cFHy
grinbuck
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September 13, 2018, 05:55:52 PM
 #306

I don't think so. I currently have 5 z9 minis connected to 2 apw3++ psus on 110v without issue. However the above poster must be using a splitter to connect all 3 to 1 PSU which from what I understand is something you are NOT supposed to do.

Don't think it matters as long as the splitters are good quality and total draw is well within the rated limit. Time will tell though. Will report back if there are any issues.

BTC: 37x5L8wq3pRxjDof6g2CnwgSrt34C5cFHy
rackserver
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September 13, 2018, 07:25:11 PM
 #307

https://service.bitmain.com/support/download?product=Antminer%20Z9%20mini

Antminer-Z9-Mini-NAND-500M-201808311812.tar.gz

Is it a new firmware form Batch-3? Has anyone tried it? What is about overclocking?



forget it. it cannot be overclocked. neither the SSH / WEB F12 edit mode is working.. stays at 500MHz, so you need the MAY for that. or the AUG 12th..
fabry1999
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September 14, 2018, 10:02:39 PM
 #308

Do you know with a 750 the miner is slower than 700 ?

when I set up Z9 mini at 700 I get 15.5 Kh/s while at 750 14.5 Kh/s !

Fabrizio
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September 14, 2018, 10:11:15 PM
 #309

Do you know with a 750 the miner is slower than 700 ?

when I set up Z9 mini at 700 I get 15.5 Kh/s while at 750 14.5 Kh/s !
This is not correct. You need to be looking at the average hashrate taken over a long period of time, I assume you are either looking at the current hashrate (it fluctuates quite a bit) or not giving enough time to calculate an accurate average.
my average at 750 is 16.95 Ksols/s over the past 24 hours. Sometimes into the 17s
fanatic26_
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September 14, 2018, 10:20:07 PM
 #310

Do you know with a 750 the miner is slower than 700 ?

when I set up Z9 mini at 700 I get 15.5 Kh/s while at 750 14.5 Kh/s !
This is not correct. You need to be looking at the average hashrate taken over a long period of time, I assume you are either looking at the current hashrate (it fluctuates quite a bit) or not giving enough time to calculate an accurate average.
my average at 750 is 16.95 Ksols/s over the past 24 hours. Sometimes into the 17s

Actually he is correct. Every batch 2 i have played with either has a reduced hashrate or none at all when running at 750. Personally I cant push mine past 675 without dropping boards.
Tailgunner
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September 14, 2018, 10:43:17 PM
 #311

Do you know with a 750 the miner is slower than 700 ?

when I set up Z9 mini at 700 I get 15.5 Kh/s while at 750 14.5 Kh/s !
This is not correct. You need to be looking at the average hashrate taken over a long period of time, I assume you are either looking at the current hashrate (it fluctuates quite a bit) or not giving enough time to calculate an accurate average.
my average at 750 is 16.95 Ksols/s over the past 24 hours. Sometimes into the 17s

Actually he is correct. Every batch 2 i have played with either has a reduced hashrate or none at all when running at 750. Personally I cant push mine past 675 without dropping boards.
Another thought I had is that the hashboards could be self throttling if the temps are too high at 750. Otherwise I could be wrong, i'll experiment with 700 for a day or so & then report back if I remember.
ezeiza
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September 14, 2018, 11:00:51 PM
 #312

Do you know with a 750 the miner is slower than 700 ?

when I set up Z9 mini at 700 I get 15.5 Kh/s while at 750 14.5 Kh/s !
This is not correct. You need to be looking at the average hashrate taken over a long period of time, I assume you are either looking at the current hashrate (it fluctuates quite a bit) or not giving enough time to calculate an accurate average.
my average at 750 is 16.95 Ksols/s over the past 24 hours. Sometimes into the 17s

Actually he is correct. Every batch 2 i have played with either has a reduced hashrate or none at all when running at 750. Personally I cant push mine past 675 without dropping boards.
Another thought I had is that the hashboards could be self throttling if the temps are too high at 750. Otherwise I could be wrong, i'll experiment with 700 for a day or so & then report back if I remember.

Are you talking about batch 2 or batch 3, because my batch 3 is working stable on 725 for more than 24hour hashing avg. 15.8 kh/s
Gangzsta
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September 15, 2018, 12:51:19 AM
 #313

Ezeiza,
Did you flash May's firmware on your batch 3's?
ezeiza
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September 15, 2018, 09:52:21 AM
 #314

Ezeiza,
Did you flash May's firmware on your batch 3's?

Yes
MinerLamp
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September 15, 2018, 01:53:17 PM
 #315

Ezeiza,
Did you flash May's firmware on your batch 3's?

Yes

Can somebody explain to a total noob how to do this? I just got my batch 3 and no option for overclocking, how do I flash older firmware?
MinerLamp
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September 15, 2018, 03:03:23 PM
 #316

Ezeiza,
Did you flash May's firmware on your batch 3's?

Yes

Can somebody explain to a total noob how to do this? I just got my batch 3 and no option for overclocking, how do I flash older firmware?

never mind, found the may firmware upstairs, works fine so far
imine2
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September 15, 2018, 05:38:27 PM
Last edit: October 14, 2018, 08:05:09 AM by imine2
 #317

About firmware versions and overclocking:


I've been doing some serious digging!!!


When you login to your Z9 mini you check on first page "System - Overview"
Batch 1, 2 and 3 all seem to have
"Hardware Version:" = 9.0.0.5

"File System Version:" tells you which firmware version your Z9 mini is running on.

There are at LEAST four (4) different firmware versions for z9 mini:

1. Sat May 26 20:42:30 CST 2018 = Antminer-Z9-Mini-201805262047-500M.tar.gz
2. Sun Aug 12 17:43:41 CST 2018 = ? ? ?
3. Thu Aug 30 14:57:48 CST 2018 = ? ? ?
4. Fri Aug 31 17:02:59 CST 2018 = Antminer-Z9-Mini-NAND-500M-201808311812.tar.gz (the now only downloadable fw on Bitmains site for z9 mini.)


May 26 and Aug 12 firmware-versions are overclockable either from SSH into machine and changing the file "/config/cgminer.conf" or from Chrome using "Inspection" for the field where you choose "frequence" (May 26 version) alt. "mode" (Aug 12 version) on page "Miner configuration - Advanced settings" and for the May 26 version ofcourse you just choose the frequence here you wan't just like God intended !


Aug 30 and Aug 31 versions just ignores any frequence value from cgminer.conf or with Chrome's "Inspection" method.
If you go to the "/www/pages/cgi-bin/minerAdvanced.cgi"-file and changes value and saving (after you already made the filesystem writable). After reboot it will have changed the file back!!!


Batch 1 seem to be very overclockable !!!
I, myself, are running my single batch 1 Z9 mini on 768 MHz and it's solid !!!


For Batch 2/3 I have seen quite a few running them on 668 MHz solid with both fw May 26(after upgrade) and Aug 12 firmware's !!!


WHEN you install(upgrade) the May 26 firmware using the page "System - Upgrade" I strongly recommend you UNcheck "Keep settings:" to get as clean install and as little problems as possible.


I really recommend you checkout mining at prohashing.com dispite their "high fee" (not high in relation to what I earn compared to MPH, nanopool and flypool after 48 hours, at least for me and my friends.) Read under "Help" on prohashing.com for further info and earning possibilities if you choose a single coin to hash.)


Howto - Pool settings for prohashing.com: (here you can see mine)
Url : stratum+tcp://prohashing.com:3336
(3336 is for Equihash algorithm that z9 mini calculates)
Worker : imine2
(imine2 is the username I choose to register with at prohashing.com)
Password : n=z9mini101
(I choose the name z9mini101 where the "101" stands for machines ip:10.0.1.101 in my home network and it's just a name to identify your machine for yourself and prohashing.com. Important for them and you if you have more than one machine being able to distinguish each machine.)


May 26 firmware:
File: Antminer-Z9-Mini-201805262047-500M.tar.gz
sha-1: 8791eee569dfff728c8363e5d8fd93f68957a2ee
https://ufile.io/cwnf6 (New link - Uploaded 10 october 2018)
(This link goes to the May 26 firmware which I've shared at Uploadfiles.io and THIS LINK should work for 30 days from october 10, 2018!)


Donations - I hope all my hard work will help up your earnings:

Bitcoin (BTC): 1HY5ZvPvx3fx5iA5cQKjw9ZuArse2STuCb
Litecoin (LTC): LZPmxZdoe8ZNL8av5CkPPBEEBJVdoFQbS6
Zcash (ZEC): t1d35jvkzKcWybpCqojZmgDZkcFC7iBwe8w
Monero (XMR): 48gVGMbZsAD5xtbpEpBKTJiDz6uMrnkTxjMcJGGFtore7i7wckSqmvYKfPVGQGab6U9kK76nGa91fhL SDvPfK4bYKkJaXeW
htautosjay
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September 15, 2018, 06:10:36 PM
 #318

About firmware versions and overclocking:

I've been doing some serious digging!!!

When you login to your Z9 mini you check on first page "System - Overview"
Batch 1, 2 and 3 all seem to have "Hardware Version:" = 9.0.0.5

"File System Version:" tells you which firmware version your Z9 mini is running on.

There are at LEAST four (4) different firmware versions for z9 mini:

1. Sat May 26 20:42:30 CST 2018 = Antminer-Z9-Mini-201805262047-500M.tar.gz
2. Sun Aug 12 17:43:41 CST 2018 = Huh
3. Thu Aug 30 14:57:48 CST 2018 = Huh
4. Fri Aug 31 17:02:59 CST 2018 = Antminer-Z9-Mini-NAND-500M-201808311812.tar.gz (the now only downloadable fw on Bitmains site for z9 mini.)

May 26 and Aug 12 firmware-versions are overclockable either from SSH into machine and changing the file "/config/cgminer.conf" or from Chrome using "Inspection" for the field where you choose "frequence" (May 26 version) alt. "mode" (Aug 12 version) on page "Miner configuration - Advanced settings" and for the May 26 version ofcourse you just choose the frequence here you wan't just like God intended !

Aug 30 and Aug 31 versions just ignores any frequence value from cgminer.conf or with Chrome's "Inspection" method.
If you go to the "/www/pages/cgi.bin/minerAdvanced.cgi"-file and changes value and saving after you made filesystem writable. After reboot it will have changed the file back!!!


Batch 1 seem to be very overclockable !!!
I, myself, are running my single batch 1 Z9 mini on 768 MHz and it's solid !!!


For Batch 2/3 I have seen quite a few running them on 668 MHz solid with both fw May 26(after upgrade) and Aug 12 firmware's !!!


WHEN you install the May 26 firmware I strongly recommend you UNcheck "Keep settings:" to get as clean install and as little problems as possible.


I really recommend you checkout mining at prohashing.com dispite their "high fee" (not high in relation to what I earn compared to MPH, nanopool and flypool after 48 hours, at least for me and my friends.) Read under "Help" on prohashing.com for further info and earning possibilities if you choose a single coin to hash.)


Pool settings for prohashing.com: (here you can see mine)
Url : stratum+tcp://prohashing.com:3336   (3336 is for Equihash algorithm that z9 mini calculates)
Worker : imine2   (the username I registered with at prohashing.com)
Password : n=z9mini101   (the "101" stands for machines ip:10.0.1.101 in my home network and it's just a name to identify your machine if you have more then one.)


File: Antminer-Z9-Mini-201805262047-500M.tar.gz
sha-1: 8791eee569dfff728c8363e5d8fd93f68957a2ee
https://ufile.io/fwcqd
(This link goes to the May 26 firmware which I've shared at Uploadfiles.io and should work for 30 days from september 10, 2018!)


Donations - I hope all my hard work will help up your earnings:

Bitcoin (BTC): 1HY5ZvPvx3fx5iA5cQKjw9ZuArse2STuCb
Litecoin (LTC): LZPmxZdoe8ZNL8av5CkPPBEEBJVdoFQbS6
Zcash (ZEC): t1d35jvkzKcWybpCqojZmgDZkcFC7iBwe8w
Monero (XMR): 48gVGMbZsAD5xtbpEpBKTJiDz6uMrnkTxjMcJGGFtore7i7wckSqmvYKfPVGQGab6U9kK76nGa91fhL SDvPfK4bYKkJaXeW

Do you earn more on Prohashing then Mining Pool Hub?... I have been wondering where the best place is to point my Z9's ..
Will Prohashing mine on Autoswitch?. BTCP, HUSH , XEC, ZCL, Ect and payout in BTC?
Thanks
imine2
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September 15, 2018, 07:15:30 PM
Last edit: September 28, 2018, 08:29:33 AM by imine2
Merited by vapourminer (1)
 #319


Do you earn more on Prohashing then Mining Pool Hub?... I have been wondering where the best place is to point my Z9's ..
Will Prohashing mine on Autoswitch?. BTCP, HUSH , XEC, ZCL, Ect and payout in BTC?
Thanks


If you point to
Url : stratum+tcp://prohashing.com:3336
it WILL be autoswitch.

If you only want to mine a single coin you will need to have something like this:
password : c=zcash n=You_choose_some_name_and_or_number_that_makes_it_easy_for_you_to_identify
This is if you wan't to hash only one coin and in this example it was Zcash.

Letting all your machines mine one and same single coin (not solo mining) WITHOUT converting will give lower fee AND share rewards you don't get in my case.

I convert to BTC and LTC.
Because I get immidiate conversion on prohashing and can choose have many % of each like 80% BTC and 20% LTC conversion I wan't I do not risk loosing as much because of the loong unknown time it takes for MPH to do the autoexchange since BTC can move alot in that time.


Furthermore on MPH the multialgo on port 17023 is not in sync whith Whattomine.com and also seems to move big hashing-power between the different algorithm's in a way that I beleive influense the other algorithms negatively.


As I understand it, on prohashing.com I can be rewarded for parts of work my machine done (read "Help" on their site) even when "too late" and I seem to get better "2hr avarage solrate" hashingspeed for my z9mini and for other friends they have been getting ridiculus speeds on their Innosilicon A9 ZMaster's when loggin in to them as well as on prohashing "2hr avarage solrate" hashingspeed both in "balance" and "performance"-mode with different firmwares AND the problem they had with there A9's whatever firmware with restarting because memory full seems to be gone. Their logs dont't get clogged up with as much as with MPH, nanopool and flypool and others. Before they had to restore to factory defaults between 1-2 weeks apart just to keep them spinning for more than something like 8 hours before their A9's would restart. After facory restore they could get 1-1.5 days and for every restart it would get worse.


Seems like prohashing.com calculates each and every machines hashingpower and timedelays and manage to choose which work/coin/difficulty to give to each machine with better earnings as a result.

My z9mini has also shown quite a few impressive 2hr delta hashing speed up towards 20ksol/s.
But hashing speed goes up and down.


I have also "found block":
Algorith     Coin        blockrewards   fee            difficulty         value       status
Equihash   Komodocoin   3   0.001356   1,443,172,861   $2.9901   Mature


I just say that give prohashing.com a day or soo if you feel that you are not satisfied with the miningpool(s) you are using now!


(And I live in Europe so I do NOT have anything to do in any way with prohashing other then being a little bit more satisfied and hopeful with my limited earnings.)

If someone else tries prohashing.com I hope they will give their oppinion whatever it is !!!
htautosjay
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September 15, 2018, 08:27:55 PM
 #320


Do you earn more on Prohashing then Mining Pool Hub?... I have been wondering where the best place is to point my Z9's ..
Will Prohashing mine on Autoswitch?. BTCP, HUSH , XEC, ZCL, Ect and payout in BTC?
Thanks


If you point to
Url : stratum+tcp://prohashing.com:3336
it WILL be autoswitch.
You will need to have something like this
password : c=zcash n=your_login_name_at_prohashing.com
if you wan't to get only one coin and in this example it was Zcash.

Letting all your machines mine one and same single coin (not solo mining) WITHOUT converting will give lower fee AND share rewards you don't get in my case.

I convert to BTC and LTC.
Because I get immidiate conversion on prohashing and can choose have many % of each like 80% BTC and 20% LTC conversion I wan't I do not risk loosing as much because of the loong unknown time it takes for MPH to do the autoexchange since BTC can move alot in that time.


Furthermore on MPH the multialgo on port 17023 is not in sync whith Whattomine.com and also seems to move big hashing-power between the different algorithm's in a way that I beleive influense the other algorithms negatively.


As I understand it, on prohashing.com I can be rewarded for parts of work my machine done (read "Help" on their site) even when "too late" and I seem to get better "2hr avarage solrate" hashingspeed for my z9mini and for other friends they have been getting ridiculus speeds on their Innosilicon A9 ZMaster's when loggin in to them as well as on prohashing "2hr avarage solrate" hashingspeed both in "balance" and "performance"-mode with different firmwares AND the problem they had with there A9's whatever firmware with restarting because memory full seems to be gone. Their logs dont't get clogged up with as much as with MPH, nanopool and flypool and others. Before they had to restore to factory defaults between 1-2 weeks apart just to keep them spinning for more than something like 8 hours before their A9's would restart. After facory restore they could get 1-1.5 days and for every restart it would get worse.


Seems like prohashing.com calculates each and every machines hashingpower and timedelays and manage to choose which work/coin/difficulty to give to each machine with better earnings as a result.

My z9mini has also shown quite a few impressive 2hr delta hashing speed up towards 20ksol/s.
But hashing speed goes up and down.


I have also "found block":
Algorith     Coin        blockrewards   fee            difficulty         value       status
Equihash   Komodocoin   3   0.001356   1,443,172,861   $2.9901   Mature


I just say that give prohashing.com a day or soo if you feel that you are not satisfied with the miningpool(s) you are using now!


(And I live in Europe so I do NOT have anything to do in any way with prohashing other then being a little bit more satisfied and hopeful with my limited earnings.)

If someone else tries prohashing.com I hope they will give their oppinion whatever it is !!!
Thank you for your very detailed reply.. I am going to try to get my head around all of that... Let me re read it over again and ill have a bash at setting up an account. Thanks again  Smiley
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