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Author Topic: Antminer Z9 mini overclocked  (Read 6042 times)
DR_BamBam
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September 13, 2018, 01:10:42 PM
 #301

I noticed the control board has a connection for 1 more hash board is it possible to connect a 4th board to the miner? Has anyone tried if it works or dose it need a custom firmware to initialize the 4th board? I was thinking about building its own case for it with 4 boards instead of 3. I read on another thread that some one fried one of their boards and ordered a new hash board for 200 bucks form bitmain. Thoughts?
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zhzz
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September 13, 2018, 03:43:07 PM
 #302

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?



it's a new firmware and does not allow OC.

I noticed the control board has a connection for 1 more hash board is it possible to connect a 4th board to the miner? Has anyone tried if it works or dose it need a custom firmware to initialize the 4th board? I was thinking about building its own case for it with 4 boards instead of 3. I read on another thread that some one fried one of their boards and ordered a new hash board for 200 bucks form bitmain. Thoughts?

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.
DR_BamBam
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September 13, 2018, 03:59:31 PM
 #303

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
Tailgunner
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September 13, 2018, 04:18:54 PM
 #304


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
 #305


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.
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September 13, 2018, 04:41:04 PM
 #306

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.
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September 13, 2018, 05:49:33 PM
 #307

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.

Share some BTC? 37x5L8wq3pRxjDof6g2CnwgSrt34C5cFHy
grinbuck
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September 13, 2018, 05:55:52 PM
 #308

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.

Share some BTC? 37x5L8wq3pRxjDof6g2CnwgSrt34C5cFHy
rackserver
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September 13, 2018, 07:25:11 PM
 #309

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
 #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 !

Fabrizio
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September 14, 2018, 10:11:15 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
fanatic26_
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September 14, 2018, 10:20:07 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.
Tailgunner
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September 14, 2018, 10:43:17 PM
 #313

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
 #314

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
 #315

Ezeiza,
Did you flash May's firmware on your batch 3's?
ezeiza
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September 15, 2018, 09:52:21 AM
 #316

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
 #317

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?
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September 15, 2018, 03:03:23 PM
 #318

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
 #319

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/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
htautosjay
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September 15, 2018, 06:10:36 PM
 #320

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
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