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Can Cavirtex be delisted or at removed from the Canadian average? With it shutting down the price there is no longer of any use (unless you've still already got cash in the exchange).
That was a good read, especially to someone like me who is considering buying some ASIC equipment.
It's a tricky decision. Do I invest some BTC into mining hardware, or just buy/sell BTC to reach some profitability targets? For me, your last point hits what will likely sway my decision. I'm more interested in tinkering with the hardware than trading on Mt Gox or some other exchange.
It's a tricky decision. Do I invest some BTC into mining hardware, or just buy/sell BTC to reach some profitability targets? For me, your last point hits what will likely sway my decision. I'm more interested in tinkering with the hardware than trading on Mt Gox or some other exchange.
It seems as your whole power system (cable to PC) is not able to get that much power, so that voltage crashes and with it the PC. How does the PC crash appear? does it reboot?
It just goes dead and reboots, as if the power had gone out in my house and been restored.
I think my next best option is to attempt to get an adapter for the 8 pin power cables. I've never seen an 8-pin to 6-pin adapter though. I've seen plenty of 6-pin to 8-pins.
An 8-pin should be able to plug into a 6-pin slot, however these connectors have extra plastic that prevents that.
I'd go with your opinion to get 8-pin cables
Agreed. It just boggles my mind that a system specifically set up for multiple cards, with a very powerful power supply, doesn't have the connectors necessary. Anyway, I'll see what I can do about harnessing the 8-pin cables.
It seems as your whole power system (cable to PC) is not able to get that much power, so that voltage crashes and with it the PC. How does the PC crash appear? does it reboot?
It just goes dead and reboots, as if the power had gone out in my house and been restored.
I think my next best option is to attempt to get an adapter for the 8 pin power cables. I've never seen an 8-pin to 6-pin adapter though. I've seen plenty of 6-pin to 8-pins.
An 8-pin should be able to plug into a 6-pin slot, however these connectors have extra plastic that prevents that.
have you checked to see how much each of the rails provides or if its a single rail PSU? possibly you're exceeding the rails supply
Sadly, Dell doesn't seem to make that info available, but it's very possible that this is the case. The system is supposed to support 2 graphics cards, but the PSU only has 2x 8 pin and 2x 6 pin connectors available. And I need 4x 6 pin connectors.
Here is the info that I could find.
POWER
NOTE: The T7600 utilizes an Active Power Factor Correction (APFC) power supply to enhance efficiency. Dell recommends only Universal
Power Supplies (UPS) based on Sine Wave output for APFC power supplies, not an approximation of a Sine Wave, Square Wave, or quasi-Square
Specifications
Power Supply Wattage
1300W (for AC input voltages of 181240 Vac)
1100W (for AC input voltages of 108180 Vac)
1000W (for AC input voltages of 100107 Vac)
AC input Voltage Range 100 - 240 Vac
AC input current (low ac range/high AC range) 14.0 A / 7.0 A
AC input Frequency 47 Hz / 63Hz
AC holdup time (80% load) 16 MSEC
Average Efficiency (Energy Star 5.2 Compliant) 87 90 87% @ 20 50 100% load
DC parameters
+12.0v output 12VABCDEFGHIJ ; 18.0A
+5.0v auxiliary output 4.0A
-12.0v output 0.5A
Max total power 1300W
BTUs/h (based on PSU max wattage) 4113.0 BTU
Power Supply Fan 60*25mm (x2)
Compliance:
1watt requirement Yes
Climate Savers / 80Plus Compliant Yes
FEMP (CECP) Standby Power Compliant Yes
Depending on the Operating System you use you can check for power failures.
On mac there's a tool called istatmenus, but I'm pretty sure there are also such tools available for Windows.
If it's an issue caused by the Y-Cable, the cables are too thin. But I wouldn't count on that. It could also be a software issue.
For more information you could check the log files
On mac there's a tool called istatmenus, but I'm pretty sure there are also such tools available for Windows.
If it's an issue caused by the Y-Cable, the cables are too thin. But I wouldn't count on that. It could also be a software issue.
For more information you could check the log files
Well, it appears that Windows is recording a power failure... Kernel-Power. I'm just not sure about why. Again, 1200W power supply, brings me back to the Y-Adapters.
Since I can't post in any support forums yet, I might as well ask a question here.
Does anyone know if using Y-Adapters for powering PCI-Express video cards is a bad thing?
I have a 1200W power supply and two HD 7590 video cards. The power supply only seems to have 2x 6 pin connectors, and the cards require 2 each. I have Y adapters so that I can run both cards. Everything runs fine until I try to start mining. At this point the computer crashes pretty much instantly.
I'm assuming this is a power consumption issue since there are no relevant events logged by the windows event viewer. But since I have a 1200W power supply (Dell T7600) it seems unlikely that I've run out of power.... which brings me to the Y-adapters.
Thoughts?
Does anyone know if using Y-Adapters for powering PCI-Express video cards is a bad thing?
I have a 1200W power supply and two HD 7590 video cards. The power supply only seems to have 2x 6 pin connectors, and the cards require 2 each. I have Y adapters so that I can run both cards. Everything runs fine until I try to start mining. At this point the computer crashes pretty much instantly.
I'm assuming this is a power consumption issue since there are no relevant events logged by the windows event viewer. But since I have a 1200W power supply (Dell T7600) it seems unlikely that I've run out of power.... which brings me to the Y-adapters.
Thoughts?
Hey, I managed to get crash info from cgminer... still not very helpful though. I don't expect much help here, I'm just waiting for my newbie status to go away so I can post this in the correct place.
Code:
cgminer.exe caused an Access Violation at location 74aec9f1 Reading from location 00000000.
Registers:
eax=00000000 ebx=0028eed0 ecx=0028f3a4 edx=029f8cb8 esi=02a76740 edi=00000000
eip=776315de esp=0028eebc ebp=0028f39c iopl=0 nv up ei pl zr na po nc
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000246
Call stack:
776315DE ntdll.dll:776315DE _ZwRaiseException@12
7762014D ntdll.dll:7762014D _KiUserExceptionDispatcher@8
C0000005
0FBFC15F amdocl.dll:0FBFC15F clGetSamplerInfo
0FBFC5EA amdocl.dll:0FBFC5EA clGetSamplerInfo
0FBFDB80 amdocl.dll:0FBFDB80 clGetSamplerInfo
0FC05B1A amdocl.dll:0FC05B1A clGetSamplerInfo
0FC05BEA amdocl.dll:0FC05BEA clGetSamplerInfo
0FBF4DC6 amdocl.dll:0FBF4DC6 clGetSamplerInfo
0FBC8461 amdocl.dll:0FBC8461 clIcdGetPlatformIDsKHR
74891081 OpenCL.dll:74891081
74893F37 OpenCL.dll:74893F37 clGetExtensionFunctionAddress
74891219 OpenCL.dll:74891219 clGetPlatformIDs
00430E2A cgminer.exe:00430E2A
0042FF47 cgminer.exe:0042FF47
00418959 cgminer.exe:00418959
004010B9 cgminer.exe:004010B9 __mingw_CRTStartup crt1.c:244
00401284 cgminer.exe:00401284 WinMainCRTStartup crt1.c:274
75C333AA kernel32.dll:75C333AA @BaseThreadInitThunk@12
77649EF2 ntdll.dll:77649EF2 ___RtlUserThreadStart@8
77649EC5 ntdll.dll:77649EC5 __RtlUserThreadStart@8
Registers:
eax=00000000 ebx=0028eed0 ecx=0028f3a4 edx=029f8cb8 esi=02a76740 edi=00000000
eip=776315de esp=0028eebc ebp=0028f39c iopl=0 nv up ei pl zr na po nc
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000246
Call stack:
776315DE ntdll.dll:776315DE _ZwRaiseException@12
7762014D ntdll.dll:7762014D _KiUserExceptionDispatcher@8
C0000005
0FBFC15F amdocl.dll:0FBFC15F clGetSamplerInfo
0FBFC5EA amdocl.dll:0FBFC5EA clGetSamplerInfo
0FBFDB80 amdocl.dll:0FBFDB80 clGetSamplerInfo
0FC05B1A amdocl.dll:0FC05B1A clGetSamplerInfo
0FC05BEA amdocl.dll:0FC05BEA clGetSamplerInfo
0FBF4DC6 amdocl.dll:0FBF4DC6 clGetSamplerInfo
0FBC8461 amdocl.dll:0FBC8461 clIcdGetPlatformIDsKHR
74891081 OpenCL.dll:74891081
74893F37 OpenCL.dll:74893F37 clGetExtensionFunctionAddress
74891219 OpenCL.dll:74891219 clGetPlatformIDs
00430E2A cgminer.exe:00430E2A
0042FF47 cgminer.exe:0042FF47
00418959 cgminer.exe:00418959
004010B9 cgminer.exe:004010B9 __mingw_CRTStartup crt1.c:244
00401284 cgminer.exe:00401284 WinMainCRTStartup crt1.c:274
75C333AA kernel32.dll:75C333AA @BaseThreadInitThunk@12
77649EF2 ntdll.dll:77649EF2 ___RtlUserThreadStart@8
77649EC5 ntdll.dll:77649EC5 __RtlUserThreadStart@8
You may have to dial the core settings down on the second one. My Sapphire Vapor-X 5870s went crook after a while (came from a bad batch) and I had to underclock them to not get them to crash.
I thought of that, but nothing is overclocked and they seem to be running fine. But the mining software all crashes on startup. It's probably driver related, but I can't gleam any useful info.
What GPUs you running Stealth?
I've been running 5870's since June last year and 7970s more recently on Litecoin.
I've been running 5870's since June last year and 7970s more recently on Litecoin.
I'm running two HD 7950's. Actually, I've been running one for a while, just added a 2nd and now I'm getting crashes, which is why I'm trying to post and get help
I read this forum since months, and now that I need to PM someone, I have to wait.
Late on bitcoin buying, and now late on bitcointalk registering, when I will learn ?
Late on bitcoin buying, and now late on bitcointalk registering, when I will learn ?
I'm in the same boat. I've been browsing this forum and mining for months, but never needed to actually post until today.