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Author Topic: Antminer Z9 mini overclocked  (Read 25299 times)
Hitsxx
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September 05, 2018, 12:41:29 PM
 #201

What kind of mods on Z9 mini to run at 900 ?

The frequency is not difficult to change in the interface of the miner. But in order for these settings to work, you need to change the hardware.
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efudd
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September 05, 2018, 01:06:09 PM
 #202

Any package is overclocked. But this is not an easy decision.




Ok, more info than those drops needed there. :-)

Those batch1 or something else?
How are you keeping temps that low?
Just 3 boards running?

My batch1s all slow down at anything > 750Mhz.

Do tell. What hardware modifications made?
I've no problem pulling these outta the factory chassis and modding...

-j

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September 05, 2018, 01:19:44 PM
 #203

What kind of mods on Z9 mini to run at 900 ?

The frequency is not difficult to change in the interface of the miner. But in order for these settings to work, you need to change the hardware.

yes I know, my question was about the hardware change and not how to set 900 on frequency.

Fabrizio
Hitsxx
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September 05, 2018, 01:55:02 PM
Merited by efudd (1)
 #204

Those batch1 or something else?

It is possible to overclock any batch.

Do tell. What hardware modifications made?
I've no problem pulling these outta the factory chassis and modding...

yes I know, my question was about the hardware change and not how to set 900 on frequency.

https://ibb.co/dx6LkK


On the right is the original hash panel. Left - changed.

The bottom line is that the chips should get extra power.
Detailed step-by-step instructions from me will not be, as long as I make money on these changes. Excuse me. My message was for those professionals who work with electronics. These people know that this is possible and how.
efudd
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September 05, 2018, 02:51:27 PM
 #205

Those batch1 or something else?

It is possible to overclock any batch.

Do tell. What hardware modifications made?
I've no problem pulling these outta the factory chassis and modding...

yes I know, my question was about the hardware change and not how to set 900 on frequency.




On the right is the original hash panel. Left - changed.

The bottom line is that the chips should get extra power.
Detailed step-by-step instructions from me will not be, as long as I make money on these changes. Excuse me. My message was for those professionals who work with electronics. These people know that this is possible and how.

I see -- thank you. Did you make any cooling changes? That is my current limitation of knowledge -- thermodynamics is more of a challenge than the electronics aspect. I'm trying to simultaneously optimize cooling on basically 24 Z9 minis.

-j


Hitsxx
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September 05, 2018, 03:25:20 PM
 #206

I see -- thank you. Did you make any cooling changes? That is my current limitation of knowledge -- thermodynamics is more of a challenge than the electronics aspect. I'm trying to simultaneously optimize cooling on basically 24 Z9 minis.


At these capacities, cooling optimization is not required. And there is no good possibility. In the initial system, the optimization depends on the ratio of the area of ​​the crystal and the volume of the surface of the radiator.

But we will experiment with liquid cooling and increase the speed to 25 kSol (or higher).
htautosjay
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September 05, 2018, 03:32:07 PM
 #207

I see -- thank you. Did you make any cooling changes? That is my current limitation of knowledge -- thermodynamics is more of a challenge than the electronics aspect. I'm trying to simultaneously optimize cooling on basically 24 Z9 minis.


At these capacities, cooling optimization is not required. And there is no good possibility. In the initial system, the optimization depends on the ratio of the area of ​​the crystal and the volume of the surface of the radiator.

But we will experiment with liquid cooling and increase the speed to 25 kSol (or higher).
Can you do the same to batch 2 Z9 Mini's ? 20 sols?
Hitsxx
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September 05, 2018, 03:35:36 PM
 #208

Can you do the same to batch 2 Z9 Mini's ? 20 sols?

Of course we can. But there is a problem - the devices must come to us.
htautosjay
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September 05, 2018, 03:42:10 PM
 #209

Can you do the same to batch 2 Z9 Mini's ? 20 sols?

Of course we can. But there is a problem - the devices must come to us.
Where are you located
what is the cost per unit?.
And what is the turnaround time?.
Thanks
Wasp0
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September 05, 2018, 03:46:16 PM
 #210

Any package is overclocked. But this is not an easy decision.

https://ibb.co/m91BaK
https://ibb.co/dkAhhz

That is a great OC Hitsxx, wish i had the skill/Knowledge to undertake that kind of up grade. you do this as a business??
Hitsxx
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September 05, 2018, 04:28:47 PM
 #211

Where are you located
what is the cost per unit?.
And what is the turnaround time?.
Thanks

Send to PM.
htautosjay
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September 05, 2018, 05:09:53 PM
 #212

Where are you located
what is the cost per unit?.
And what is the turnaround time?.
Thanks

Send to PM.
Thank you for your price quotation for the upgrading the Z9's Mini's.. but that price is too much in my humble opinion.  plus this is a sharing forum where we share and help each other out for free where possible as a community.
Good luck with your venture.
Hitsxx
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September 05, 2018, 05:26:49 PM
 #213

Thank you for your price quotation for the upgrading the Z9's Mini's.. but that price is too much in my humble opinion.  plus this is a sharing forum where we share and help each other out for free where possible as a community.
Good luck with your venture.

Price - the concept is very conditional. This is justified at a time when it is beneficial to both parties.
About the forum - completely agree with you, with one exception. Here people help each other to earn money (here 90% of participants do not play the game, but discuss ways to earn money). And my proposal is not so different. I help to earn you, and you to me. All is correct - an honest exchange. Smiley
Sebahl
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September 05, 2018, 05:28:38 PM
 #214

Those batch1 or something else?

It is possible to overclock any batch.

Do tell. What hardware modifications made?
I've no problem pulling these outta the factory chassis and modding...

yes I know, my question was about the hardware change and not how to set 900 on frequency.




On the right is the original hash panel. Left - changed.

The bottom line is that the chips should get extra power.
Detailed step-by-step instructions from me will not be, as long as I make money on these changes. Excuse me. My message was for those professionals who work with electronics. These people know that this is possible and how.

Is all that is needed to achieve this is add the 4 components? (For which there are already pads)?
Hitsxx
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September 05, 2018, 05:35:03 PM
 #215

Is all that is needed to achieve this is add the 4 components? (For which there are already pads)?

Of course not. The installation of visible components in the photo is only part of the necessary work.
ezeiza
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September 05, 2018, 05:57:00 PM
 #216

Those batch1 or something else?

It is possible to overclock any batch.

Do tell. What hardware modifications made?
I've no problem pulling these outta the factory chassis and modding...

yes I know, my question was about the hardware change and not how to set 900 on frequency.

https://ibb.co/dx6LkK


On the right is the original hash panel. Left - changed.

The bottom line is that the chips should get extra power.
Detailed step-by-step instructions from me will not be, as long as I make money on these changes. Excuse me. My message was for those professionals who work with electronics. These people know that this is possible and how.

What is the price
Hitsxx
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September 05, 2018, 07:33:45 PM
 #217

Unfortunately, at the moment I am limited to the rules of the forum on the number of responses to private messages. If you need a quick reply, write an e-mail.
william618
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September 05, 2018, 09:25:35 PM
 #218

I need some help I flashed the firmware of my second batch and I want to restore it.. how to do? On the bitmain website there is only the may version... I think that the old version gives some issues with the batch 2 ...
elgoog
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September 05, 2018, 09:49:15 PM
 #219

I need some help I flashed the firmware of my second batch and I want to restore it.. how to do? On the bitmain website there is only the may version... I think that the old version gives some issues with the batch 2 ...

I installed the old one simply to 2nd batch which had Aug version of firmware.
and it works well and Freq can be changed correctly.
grinbuck
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September 06, 2018, 09:20:49 AM
Merited by not.you (3)
 #220

Price - the concept is very conditional. This is justified at a time when it is beneficial to both parties.
About the forum - completely agree with you, with one exception. Here people help each other to earn money (here 90% of participants do not play the game, but discuss ways to earn money). And my proposal is not so different. I help to earn you, and you to me. All is correct - an honest exchange. Smiley

Ship to a newbie? Thanks but no thanks. No way I'd ship to anyone but a community vetted long term member even if @Hitsxx did it for free. Happy with my puny 15.5 Mh/s. Besides, it's just a matter of time before one of the more knowledgeable, experienced and long term (not to mention generous and community oriented) members in this forum post details of the mod anyways. If it even works stably - which is just a claim at this point in time. A couple pictures is all that @Hitsxx has to prove it.

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