The Habanero - 650GH/s - OOS

[SVK]

MrTeal,

how is higher voltage affecting temperature of dies.

We have summer time and temps are around 30 degrees C. I'm using H100i with SUNON fans and all I can do is piss poor 525MHz Previous owner set voltage to 0.91V and he run it at 930MHz or something like that. I can't run that high.

My other two Habs have cheap china water blocks and they run on 750MHZ--0.86V.

Can this higher voltage cause higher temps of dies ?  

Thank you very much

Higher voltage will affect the power consumption, so it would be worth dropping the voltage. I find 910mV (shows up in cgminer as about .86 at the die) to be good for around 800mV. I would look at taking off the cooling head, cleaning everything good with isopropyl and reapplying the paste though. Unless the fans are extremely low flow, you should be able to get higher than 525MHz without overheating.

What's the model number of the fans?

Board is bent a bit 2-3mm and paste was re-applied 3 times. First I have used Paste supplied by by Corsair and then MX-2.
Fans are PMD1212PMB1-A.

Sometime temp drops for a split second down to 60-70C and then back to 100C.

I don't have Shitnux to lover the voltage

Isn't there any cgminer command I can use to force voltage down ?

Thank you very much for your help

[MrTeal]

MrTeal,

how is higher voltage affecting temperature of dies.

We have summer time and temps are around 30 degrees C. I'm using H100i with SUNON fans and all I can do is piss poor 525MHz Previous owner set voltage to 0.91V and he run it at 930MHz or something like that. I can't run that high.

My other two Habs have cheap china water blocks and they run on 750MHZ--0.86V.

Can this higher voltage cause higher temps of dies ?  

Thank you very much

Higher voltage will affect the power consumption, so it would be worth dropping the voltage. I find 910mV (shows up in cgminer as about .86 at the die) to be good for around 800mV. I would look at taking off the cooling head, cleaning everything good with isopropyl and reapplying the paste though. Unless the fans are extremely low flow, you should be able to get higher than 525MHz without overheating.

What's the model number of the fans?

Board is bent a bit 2-3mm and paste was re-applied 3 times. First I have used Paste supplied by by Corsair and then MX-2.
Fans are PMD1212PMB1-A.

Sometime temp drops for a split second down to 60-70C and then back to 100C.

I don't have Shitnux to lover the voltage

Isn't there any cgminer command I can use to force voltage down ?

Thank you very much for your help

Something is wrong there. Have you tried looking at the individual die temperatures using the PepperApp? Unless your ambient is 50C or higher, you should not be seeing overheating with two 200CFM fans. I wouldn't break down your other boards, but do you have another water cooler (even a small one) you can try in place of the H100i? Properly applied even an H80i should be good up to ~900MHz using a fan like that.

JakeTri posted a cgminer version that allowed you to set the voltages, although it wasn't merged into mainline cgminer.

[SVK]

MrTeal,

how is higher voltage affecting temperature of dies.

We have summer time and temps are around 30 degrees C. I'm using H100i with SUNON fans and all I can do is piss poor 525MHz Previous owner set voltage to 0.91V and he run it at 930MHz or something like that. I can't run that high.

My other two Habs have cheap china water blocks and they run on 750MHZ--0.86V.

Can this higher voltage cause higher temps of dies ?  

Thank you very much

Higher voltage will affect the power consumption, so it would be worth dropping the voltage. I find 910mV (shows up in cgminer as about .86 at the die) to be good for around 800mV. I would look at taking off the cooling head, cleaning everything good with isopropyl and reapplying the paste though. Unless the fans are extremely low flow, you should be able to get higher than 525MHz without overheating.

What's the model number of the fans?

Board is bent a bit 2-3mm and paste was re-applied 3 times. First I have used Paste supplied by by Corsair and then MX-2.
Fans are PMD1212PMB1-A.

Sometime temp drops for a split second down to 60-70C and then back to 100C.

I don't have Shitnux to lover the voltage

Isn't there any cgminer command I can use to force voltage down ?

Thank you very much for your help

Something is wrong there. Have you tried looking at the individual die temperatures using the PepperApp? Unless your ambient is 50C or higher, you should not be seeing overheating with two 200CFM fans. I wouldn't break down your other boards, but do you have another water cooler (even a small one) you can try in place of the H100i? Properly applied even an H80i should be good up to ~900MHz using a fan like that.

JakeTri posted a cgminer version that allowed you to set the voltages, although it wasn't merged into mainline cgminer.

Ambient is 31C, exact number of fan is PMD1212PTB1-A 4800rpm 150cfm.
Dies are as follows:
ASIC 0 = 93
ASIC 1 = 98
ASIC 2 = 101
ASIC 3= 102

537 MHZ and 0.91V. Corsair H100 is brand new so would think that it's working ok. Pump has 2 small cables- one is for powering pump and second is unplugged.
I tried to plug that one to a Hab board port "PUMP" and it made no difference. I have tried to put fans to FAN 3,4 connectors and Pump,Fan 2 connectors and that made no difference. Cgminer command has "--hfa-fan 100" so it should make no difference which FAN port I'm using. I even tried to install Corsair V2 software on my Win7 to see if I can get any data for pump speed(it doesn't show anything).
MX-2 paste isn't bad but I might try liquid metal as I have used on my other 2 hab boards(run out so had to use what I had).

Had a look at Cgminer from JakeTri and in Read ME file I can't see any voltage settings

[daddyfatsax]

I am running at .970 mV and 900 MHz with the same Corsair water cooler. I did add extra fans on the radiator, they are Scythe Ultra Kaze. Using the liquid metal dropped my temps 8C. Hottest I get now is 102 on one of the dies. Both of my boards are in a room with my 6 module Jupiter, so it is at least 80-85F in that room.

[JakeTri]

...
Had a look at Cgminer from JakeTri and in Read ME file I can't see any voltage settings

Here is copy and paste with relevant information from ASIC-README file from https://github.com/jaketri/cgminer

Code:

--hfa-options <arg> Set hashfast options name:clock@voltage0@voltage1@voltage2@voltage3:clk0:clk1:clk2:clk3

This command allows you to set options for each discrete hashfast device by
its name (if the firmware has naming support, i.e. version 0.3+). Currently
this takes as option the clock speed, 4 voltages and 4 clock offsets (voltage and
clock offset for each of the 4 cores of the ASIC)
e.g.:
--hfa-options "rabbit:650,turtle:550@800,bee:950@905@925@975@985:-100:-50:0:25"

Would set a device named rabbit to clock speed 650 MHz using default voltage, the
one named turtle to 550 MHz using a voltage of 800 mV for all cores and the one
named bee is set with different clock and voltage for each ASIC core as following:
> core 0 at 850 MHz (950 MHZ base clock with -100 MHz clock offset) and voltage of 905mV
> core 1 at 900 MHz (950 MHZ base clock with -50 MHz clock offset) and voltage of 925mV
> core 2 at 950 MHz (950 MHZ base clock with 0 MHz clock offset) and voltage of 975mV
> core 3 at 975 MHz (950 MHZ base clock with 25 MHz clock offset) and voltage of 985mV
Starting the device at a speed where it is most stable will give more reliable
hashrates long term and prevent it interacting with other devices, rather than
depending on the clockdown feature in cgminer.

Note: Setting voltage may cause a board reset and hotplug event on cgminer startup.

[SVK]

...
Had a look at Cgminer from JakeTri and in Read ME file I can't see any voltage settings

Here is copy and paste with relevant information from ASIC-README file from https://github.com/jaketri/cgminer

Code:

--hfa-options <arg> Set hashfast options name:clock@voltage0@voltage1@voltage2@voltage3:clk0:clk1:clk2:clk3

This command allows you to set options for each discrete hashfast device by
its name (if the firmware has naming support, i.e. version 0.3+). Currently
this takes as option the clock speed, 4 voltages and 4 clock offsets (voltage and
clock offset for each of the 4 cores of the ASIC)
e.g.:
--hfa-options "rabbit:650,turtle:550@800,bee:950@905@925@975@985:-100:-50:0:25"

Would set a device named rabbit to clock speed 650 MHz using default voltage, the
one named turtle to 550 MHz using a voltage of 800 mV for all cores and the one
named bee is set with different clock and voltage for each ASIC core as following:
> core 0 at 850 MHz (950 MHZ base clock with -100 MHz clock offset) and voltage of 905mV
> core 1 at 900 MHz (950 MHZ base clock with -50 MHz clock offset) and voltage of 925mV
> core 2 at 950 MHz (950 MHZ base clock with 0 MHz clock offset) and voltage of 975mV
> core 3 at 975 MHz (950 MHZ base clock with 25 MHz clock offset) and voltage of 985mV
Starting the device at a speed where it is most stable will give more reliable
hashrates long term and prevent it interacting with other devices, rather than
depending on the clockdown feature in cgminer.

Note: Setting voltage may cause a board reset and hotplug event on cgminer startup.

Many thanks

I didn't look at that file

Unfortunately it doesn't work No surprise

Folder does not contain cgminer.exe file and when I insert this:

cgminer.exe --usb HFA:1 --hfa-name HFA3 -o eu-stratum.btcguild.com:3333 -u  -p 123 -o

stratum+tcp://stratum.d7.lt:3333 -u  -p 12345 --hfa-fan 100 --hfa-temp-target 0 --hfa-

temp-overheat 104 --hfa-fail-drop 0 --hfa-options HFA3:537@860 --api-listen --api-port 4030


just black screen flashes and that's it

What I'm doing wrong ?
Did I download wrong file ?
Should I copy cgminer.exe from normal cgminer folder ?

Thank you very much for your help

Update

I have copied cgminer.exe from cgminer 4.3.4 folder and I'm getting error lib.dll 

[JakeTri]

...
Had a look at Cgminer from JakeTri and in Read ME file I can't see any voltage settings

Here is copy and paste with relevant information from ASIC-README file from https://github.com/jaketri/cgminer

Code:

--hfa-options <arg> Set hashfast options name:clock@voltage0@voltage1@voltage2@voltage3:clk0:clk1:clk2:clk3

This command allows you to set options for each discrete hashfast device by
its name (if the firmware has naming support, i.e. version 0.3+). Currently
this takes as option the clock speed, 4 voltages and 4 clock offsets (voltage and
clock offset for each of the 4 cores of the ASIC)
e.g.:
--hfa-options "rabbit:650,turtle:550@800,bee:950@905@925@975@985:-100:-50:0:25"

Would set a device named rabbit to clock speed 650 MHz using default voltage, the
one named turtle to 550 MHz using a voltage of 800 mV for all cores and the one
named bee is set with different clock and voltage for each ASIC core as following:
> core 0 at 850 MHz (950 MHZ base clock with -100 MHz clock offset) and voltage of 905mV
> core 1 at 900 MHz (950 MHZ base clock with -50 MHz clock offset) and voltage of 925mV
> core 2 at 950 MHz (950 MHZ base clock with 0 MHz clock offset) and voltage of 975mV
> core 3 at 975 MHz (950 MHZ base clock with 25 MHz clock offset) and voltage of 985mV
Starting the device at a speed where it is most stable will give more reliable
hashrates long term and prevent it interacting with other devices, rather than
depending on the clockdown feature in cgminer.

Note: Setting voltage may cause a board reset and hotplug event on cgminer startup.

Many thanks

I didn't look at that file

Unfortunately it doesn't work No surprise

Folder does not contain cgminer.exe file and when I insert this:

cgminer.exe --usb HFA:1 --hfa-name HFA3 -o eu-stratum.btcguild.com:3333 -u  -p 123 -o

stratum+tcp://stratum.d7.lt:3333 -u  -p 12345 --hfa-fan 100 --hfa-temp-target 0 --hfa-

temp-overheat 104 --hfa-fail-drop 0 --hfa-options HFA3:537@860 --api-listen --api-port 4030


just black screen flashes and that's it

What I'm doing wrong ?
Did I download wrong file ?
Should I copy cgminer.exe from normal cgminer folder ?

Thank you very much for your help

Update

I have copied cgminer.exe from cgminer 4.3.4 folder and I'm getting error lib.dll 

If you really need / want to play with voltage settings then keep in mind that you need to set the voltage only once because voltage settings are stored in flash storage on the board.

To adjust voltage settings for Habanero board you can use either HFTool ( https://bitcointalk.org/index.php?topic=639810.0 ) or my cgminer fork.
Each solution have it's own challenges ...
- HFTtool need python with pip and pyusb support.
- cgminer fork need to be compiled from sources.

For Linux users both solution are relatively easy to use.
For windows users each solution have it's own challenges ... For HFTool it is not easy to setup a Windows system with python + pip + pyusb (I did not see any confirmation of windows system working with HFTool). For cgminer you need to know how to use a C compiler .... if you have one ...

I guess it may be possible to use a Linux LiveCD and install pip & pyusb to be able to run once HFTool and setup the voltage.

Unfortunately I cannot run any tests because I sold all my Habanero boards.

[SVK]

...
Had a look at Cgminer from JakeTri and in Read ME file I can't see any voltage settings

Here is copy and paste with relevant information from ASIC-README file from https://github.com/jaketri/cgminer

Code:

--hfa-options <arg> Set hashfast options name:clock@voltage0@voltage1@voltage2@voltage3:clk0:clk1:clk2:clk3

This command allows you to set options for each discrete hashfast device by
its name (if the firmware has naming support, i.e. version 0.3+). Currently
this takes as option the clock speed, 4 voltages and 4 clock offsets (voltage and
clock offset for each of the 4 cores of the ASIC)
e.g.:
--hfa-options "rabbit:650,turtle:550@800,bee:950@905@925@975@985:-100:-50:0:25"

Would set a device named rabbit to clock speed 650 MHz using default voltage, the
one named turtle to 550 MHz using a voltage of 800 mV for all cores and the one
named bee is set with different clock and voltage for each ASIC core as following:
> core 0 at 850 MHz (950 MHZ base clock with -100 MHz clock offset) and voltage of 905mV
> core 1 at 900 MHz (950 MHZ base clock with -50 MHz clock offset) and voltage of 925mV
> core 2 at 950 MHz (950 MHZ base clock with 0 MHz clock offset) and voltage of 975mV
> core 3 at 975 MHz (950 MHZ base clock with 25 MHz clock offset) and voltage of 985mV
Starting the device at a speed where it is most stable will give more reliable
hashrates long term and prevent it interacting with other devices, rather than
depending on the clockdown feature in cgminer.

Note: Setting voltage may cause a board reset and hotplug event on cgminer startup.

Many thanks

I didn't look at that file

Unfortunately it doesn't work No surprise

Folder does not contain cgminer.exe file and when I insert this:

cgminer.exe --usb HFA:1 --hfa-name HFA3 -o eu-stratum.btcguild.com:3333 -u  -p 123 -o

stratum+tcp://stratum.d7.lt:3333 -u  -p 12345 --hfa-fan 100 --hfa-temp-target 0 --hfa-

temp-overheat 104 --hfa-fail-drop 0 --hfa-options HFA3:537@860 --api-listen --api-port 4030


just black screen flashes and that's it

What I'm doing wrong ?
Did I download wrong file ?
Should I copy cgminer.exe from normal cgminer folder ?

Thank you very much for your help

Update

I have copied cgminer.exe from cgminer 4.3.4 folder and I'm getting error lib.dll 

If you really need / want to play with voltage settings then keep in mind that you need to set the voltage only once because voltage settings are stored in flash storage on the board.

To adjust voltage settings for Habanero board you can use either HFTool ( https://bitcointalk.org/index.php?topic=639810.0 ) or my cgminer fork.
Each solution have it's own challenges ...
- HFTtool need python with pip and pyusb support.
- cgminer fork need to be compiled from sources.

For Linux users both solution are relatively easy to use.
For windows users each solution have it's own challenges ... For HFTool it is not easy to setup a Windows system with python + pip + pyusb (I did not see any confirmation of windows system working with HFTool). For cgminer you need to know how to use a C compiler .... if you have one ...

I guess it may be possible to use a Linux LiveCD and install pip & pyusb to be able to run once HFTool and setup the voltage.

Unfortunately I cannot run any tests because I sold all my Habanero boards.

Jake,

thank you very much for your help
When I was buying hab board I have assumed that it will come in standard form(voltage) 

I guess I will have to pay for my mistake 
Fork, compile from sources  I have no clue what these things are

Thank you again for your help

[MrTeal]

...
Had a look at Cgminer from JakeTri and in Read ME file I can't see any voltage settings

Here is copy and paste with relevant information from ASIC-README file from https://github.com/jaketri/cgminer

Code:

--hfa-options <arg> Set hashfast options name:clock@voltage0@voltage1@voltage2@voltage3:clk0:clk1:clk2:clk3

This command allows you to set options for each discrete hashfast device by
its name (if the firmware has naming support, i.e. version 0.3+). Currently
this takes as option the clock speed, 4 voltages and 4 clock offsets (voltage and
clock offset for each of the 4 cores of the ASIC)
e.g.:
--hfa-options "rabbit:650,turtle:550@800,bee:950@905@925@975@985:-100:-50:0:25"

Would set a device named rabbit to clock speed 650 MHz using default voltage, the
one named turtle to 550 MHz using a voltage of 800 mV for all cores and the one
named bee is set with different clock and voltage for each ASIC core as following:
> core 0 at 850 MHz (950 MHZ base clock with -100 MHz clock offset) and voltage of 905mV
> core 1 at 900 MHz (950 MHZ base clock with -50 MHz clock offset) and voltage of 925mV
> core 2 at 950 MHz (950 MHZ base clock with 0 MHz clock offset) and voltage of 975mV
> core 3 at 975 MHz (950 MHZ base clock with 25 MHz clock offset) and voltage of 985mV
Starting the device at a speed where it is most stable will give more reliable
hashrates long term and prevent it interacting with other devices, rather than
depending on the clockdown feature in cgminer.

Note: Setting voltage may cause a board reset and hotplug event on cgminer startup.

Many thanks

I didn't look at that file

Unfortunately it doesn't work No surprise

Folder does not contain cgminer.exe file and when I insert this:

cgminer.exe --usb HFA:1 --hfa-name HFA3 -o eu-stratum.btcguild.com:3333 -u  -p 123 -o

stratum+tcp://stratum.d7.lt:3333 -u  -p 12345 --hfa-fan 100 --hfa-temp-target 0 --hfa-

temp-overheat 104 --hfa-fail-drop 0 --hfa-options HFA3:537@860 --api-listen --api-port 4030


just black screen flashes and that's it

What I'm doing wrong ?
Did I download wrong file ?
Should I copy cgminer.exe from normal cgminer folder ?

Thank you very much for your help

Update

I have copied cgminer.exe from cgminer 4.3.4 folder and I'm getting error lib.dll 

If you really need / want to play with voltage settings then keep in mind that you need to set the voltage only once because voltage settings are stored in flash storage on the board.

To adjust voltage settings for Habanero board you can use either HFTool ( https://bitcointalk.org/index.php?topic=639810.0 ) or my cgminer fork.
Each solution have it's own challenges ...
- HFTtool need python with pip and pyusb support.
- cgminer fork need to be compiled from sources.

For Linux users both solution are relatively easy to use.
For windows users each solution have it's own challenges ... For HFTool it is not easy to setup a Windows system with python + pip + pyusb (I did not see any confirmation of windows system working with HFTool). For cgminer you need to know how to use a C compiler .... if you have one ...

I guess it may be possible to use a Linux LiveCD and install pip & pyusb to be able to run once HFTool and setup the voltage.

Unfortunately I cannot run any tests because I sold all my Habanero boards.

Jake,

thank you very much for your help
When I was buying hab board I have assumed that it will come in standard form(voltage) 

I guess I will have to pay for my mistake 
Fork, compile from sources  I have no clue what these things are

Thank you again for your help

I think there's a precompiled Windows version of that cgminer kicking around, I'll try to search for it.
Stock voltage is 945mV for when you do set it, BTW

[SVK]

...
Had a look at Cgminer from JakeTri and in Read ME file I can't see any voltage settings

Here is copy and paste with relevant information from ASIC-README file from https://github.com/jaketri/cgminer

Code:

--hfa-options <arg> Set hashfast options name:clock@voltage0@voltage1@voltage2@voltage3:clk0:clk1:clk2:clk3

This command allows you to set options for each discrete hashfast device by
its name (if the firmware has naming support, i.e. version 0.3+). Currently
this takes as option the clock speed, 4 voltages and 4 clock offsets (voltage and
clock offset for each of the 4 cores of the ASIC)
e.g.:
--hfa-options "rabbit:650,turtle:550@800,bee:950@905@925@975@985:-100:-50:0:25"

Would set a device named rabbit to clock speed 650 MHz using default voltage, the
one named turtle to 550 MHz using a voltage of 800 mV for all cores and the one
named bee is set with different clock and voltage for each ASIC core as following:
> core 0 at 850 MHz (950 MHZ base clock with -100 MHz clock offset) and voltage of 905mV
> core 1 at 900 MHz (950 MHZ base clock with -50 MHz clock offset) and voltage of 925mV
> core 2 at 950 MHz (950 MHZ base clock with 0 MHz clock offset) and voltage of 975mV
> core 3 at 975 MHz (950 MHZ base clock with 25 MHz clock offset) and voltage of 985mV
Starting the device at a speed where it is most stable will give more reliable
hashrates long term and prevent it interacting with other devices, rather than
depending on the clockdown feature in cgminer.

Note: Setting voltage may cause a board reset and hotplug event on cgminer startup.

Many thanks

I didn't look at that file

Unfortunately it doesn't work No surprise

Folder does not contain cgminer.exe file and when I insert this:

cgminer.exe --usb HFA:1 --hfa-name HFA3 -o eu-stratum.btcguild.com:3333 -u  -p 123 -o

stratum+tcp://stratum.d7.lt:3333 -u  -p 12345 --hfa-fan 100 --hfa-temp-target 0 --hfa-

temp-overheat 104 --hfa-fail-drop 0 --hfa-options HFA3:537@860 --api-listen --api-port 4030


just black screen flashes and that's it

What I'm doing wrong ?
Did I download wrong file ?
Should I copy cgminer.exe from normal cgminer folder ?

Thank you very much for your help

Update

I have copied cgminer.exe from cgminer 4.3.4 folder and I'm getting error lib.dll 

If you really need / want to play with voltage settings then keep in mind that you need to set the voltage only once because voltage settings are stored in flash storage on the board.

To adjust voltage settings for Habanero board you can use either HFTool ( https://bitcointalk.org/index.php?topic=639810.0 ) or my cgminer fork.
Each solution have it's own challenges ...
- HFTtool need python with pip and pyusb support.
- cgminer fork need to be compiled from sources.

For Linux users both solution are relatively easy to use.
For windows users each solution have it's own challenges ... For HFTool it is not easy to setup a Windows system with python + pip + pyusb (I did not see any confirmation of windows system working with HFTool). For cgminer you need to know how to use a C compiler .... if you have one ...

I guess it may be possible to use a Linux LiveCD and install pip & pyusb to be able to run once HFTool and setup the voltage.

Unfortunately I cannot run any tests because I sold all my Habanero boards.

Jake,

thank you very much for your help
When I was buying hab board I have assumed that it will come in standard form(voltage) 

I guess I will have to pay for my mistake 
Fork, compile from sources  I have no clue what these things are

Thank you again for your help

I think there's a precompiled Windows version of that cgminer kicking around, I'll try to search for it.
Stock voltage is 945mV for when you do set it, BTW

MrTeal,

you are a gentleman

Thank you very much for your help

[MrTeal]

I think there's a precompiled Windows version of that cgminer kicking around, I'll try to search for it.
Stock voltage is 945mV for when you do set it, BTW

MrTeal,

you are a gentleman

Thank you very much for your help

I haven't forgotten about this, but I haven't found a Windows build. I'll try to get mingw all installed so I can do a Windows build sometime today.

[SVK]

I think there's a precompiled Windows version of that cgminer kicking around, I'll try to search for it.
Stock voltage is 945mV for when you do set it, BTW

MrTeal,

you are a gentleman

Thank you very much for your help

I haven't forgotten about this, but I haven't found a Windows build. I'll try to get mingw all installed so I can do a Windows build sometime today.

I didn't want to send any message, you have more important things to do than looking for cgminer for me.

I really appreciate your help

Thank you very much

[GenTarkin]

...
Had a look at Cgminer from JakeTri and in Read ME file I can't see any voltage settings

Here is copy and paste with relevant information from ASIC-README file from https://github.com/jaketri/cgminer

Code:

--hfa-options <arg> Set hashfast options name:clock@voltage0@voltage1@voltage2@voltage3:clk0:clk1:clk2:clk3

This command allows you to set options for each discrete hashfast device by
its name (if the firmware has naming support, i.e. version 0.3+). Currently
this takes as option the clock speed, 4 voltages and 4 clock offsets (voltage and
clock offset for each of the 4 cores of the ASIC)
e.g.:
--hfa-options "rabbit:650,turtle:550@800,bee:950@905@925@975@985:-100:-50:0:25"

Would set a device named rabbit to clock speed 650 MHz using default voltage, the
one named turtle to 550 MHz using a voltage of 800 mV for all cores and the one
named bee is set with different clock and voltage for each ASIC core as following:
> core 0 at 850 MHz (950 MHZ base clock with -100 MHz clock offset) and voltage of 905mV
> core 1 at 900 MHz (950 MHZ base clock with -50 MHz clock offset) and voltage of 925mV
> core 2 at 950 MHz (950 MHZ base clock with 0 MHz clock offset) and voltage of 975mV
> core 3 at 975 MHz (950 MHZ base clock with 25 MHz clock offset) and voltage of 985mV
Starting the device at a speed where it is most stable will give more reliable
hashrates long term and prevent it interacting with other devices, rather than
depending on the clockdown feature in cgminer.

Note: Setting voltage may cause a board reset and hotplug event on cgminer startup.

Is it possible to run it without voltage modification yet still individual core speed settings?  If so, what would be the syntax? Thanks

[JakeTri]

...
Had a look at Cgminer from JakeTri and in Read ME file I can't see any voltage settings

Here is copy and paste with relevant information from ASIC-README file from https://github.com/jaketri/cgminer

Code:

--hfa-options <arg> Set hashfast options name:clock@voltage0@voltage1@voltage2@voltage3:clk0:clk1:clk2:clk3

This command allows you to set options for each discrete hashfast device by
its name (if the firmware has naming support, i.e. version 0.3+). Currently
this takes as option the clock speed, 4 voltages and 4 clock offsets (voltage and
clock offset for each of the 4 cores of the ASIC)
e.g.:
--hfa-options "rabbit:650,turtle:550@800,bee:950@905@925@975@985:-100:-50:0:25"

Would set a device named rabbit to clock speed 650 MHz using default voltage, the
one named turtle to 550 MHz using a voltage of 800 mV for all cores and the one
named bee is set with different clock and voltage for each ASIC core as following:
> core 0 at 850 MHz (950 MHZ base clock with -100 MHz clock offset) and voltage of 905mV
> core 1 at 900 MHz (950 MHZ base clock with -50 MHz clock offset) and voltage of 925mV
> core 2 at 950 MHz (950 MHZ base clock with 0 MHz clock offset) and voltage of 975mV
> core 3 at 975 MHz (950 MHZ base clock with 25 MHz clock offset) and voltage of 985mV
Starting the device at a speed where it is most stable will give more reliable
hashrates long term and prevent it interacting with other devices, rather than
depending on the clockdown feature in cgminer.

Note: Setting voltage may cause a board reset and hotplug event on cgminer startup.

Is it possible to run it without voltage modification yet still individual core speed settings?  If so, what would be the syntax? Thanks

The new settings are send to device only if voltage values are different from the voltage value stored on the device flash memory.

You can start this cgminer as normal (without any voltage setting) and look to the cgminer info message about current device settings from flash memory. Look for something like this:

Code:

[2014-07-02 10:02:16] HFA0: Device settings (875MHz@930mV,875MHz@930mV,875MHz@930mV,875MHz@930mV)

After that use the voltage values from device and adjust only the core speed settings. This will not modify the device settings from flash storage.

[SVK]

I might try Shitnux to change voltage of Hab board.

Which version of Shitnux is easiest to get, use and burn to USB key ?
I have tried search but didn't find much info

Already tried to download Gentoo(up to 100kb/s download speed) but my browser crashed after 12 hours(2.6GB) so I'm not getting that version

Thanks for help

[GenTarkin]

Shitnux? Ive never heard of that distro ... LOL

[ZiG]

Shitnux? Ive never heard of that distro ... LOL

LOL...It is the most popular...after WindowZe ver.XYZ, of course ...

[SVK]

Shitnux? Ive never heard of that distro ... LOL

LOL...It is the most popular...after WindowZe ver.XYZ, of course ...

Windows all the way

Sudo here kudo there - Shitnux is like MS-DOS from 90's. It's year 2014 ffs

[Taugeran]

Shitnux? Ive never heard of that distro ... LOL

LOL...It is the most popular...after WindowZe ver.XYZ, of course ...

Windows all the way

Sudo here kudo there - Shitnux is like MS-DOS from 90's. It's year 2014 ffs

Meh. Can't tell ya I had to fire up a windows VM todo anything. WINE does me good

[Taugeran]

I really want to get one of these so I can attempt to cryo cool it. And see if I can break 1K Gh/s with the chip. That would be 2.5x their original spec of 400 for the ASIC. And badass as f**k