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 11 
 on: November 19, 2017, 11:07:10 PM 
Started by Rominator - Last post by eVasilis
Would it help if he flashed his mac to 5.1?

 12 
 on: November 19, 2017, 09:02:43 PM 
Started by Rominator - Last post by mucunucu
but macvidcard y dont see gtx1050 to flash only for 1070 to 1080?Huh?

 13 
 on: November 19, 2017, 05:32:43 PM 
Started by Rominator - Last post by Asgorath
y do pram y reinstal the 0s but the same on syspref have 2.5 gt speed on the atached photo result cuda-z and oceanwawe......is 2.5 or 5gt?HuhHuh?


https://imgur.com/a/2LEQr

MacPro4,1 is limited to PCIe Gen 1 with the NVIDIA web driver, it only enables Gen 2 on MacPro5,1 systems(*).  The only solution for MacPro4,1 is to get your card flashed with an EFI from MacVidCards.

(*) My understanding is that enabling this involves some hackery on the driver's side of things, and NVIDIA only seems willing to do that on the MacPro5,1.

 14 
 on: November 18, 2017, 10:51:24 PM 
Started by Rominator - Last post by mucunucu
y do pram y reinstal the 0s but the same on syspref have 2.5 gt speed on the atached photo result cuda-z and oceanwawe......is 2.5 or 5gt?HuhHuh?


https://imgur.com/a/2LEQr

 15 
 on: November 18, 2017, 10:47:28 PM 
Started by MacEFIRom - Last post by h9826790
Hi,

The fan is running very fast and is very noisy on my Macpro4,1 that I upgraded to a Macpro5,1.

Here's what happened:

I ran the firmware upgrade software to upgrade the Macpro4,1 to a Macpro5,1.  Shut down the machine and installed the new tray with a 6-core processor.  At the time, I didn't realize that the tray was from a Macpro5,1 and it has a different SMC version from the system board.  When I turned the machine on, the fan speed was at maximum and was very noisy. 


SMC reset
I acquired a 6-core processor and installed it into the original tray.  Booted the machine with a new install of Yosemite on a different hard drive.  Everything worked fine --  fan running at normal speed.  Then, I took the hard drive out and inserted the original hard drive, booted the machine and the fan ran at max speed.  The fan runs at normal speed during POST and as soon as the OS is loaded, the fan speeds up.

The question is this:  How do I set the fan to normal speed?

 16 
 on: November 18, 2017, 10:42:46 PM 
Started by Rominator - Last post by h9826790
Does it mean Metal 2 is now fully supported?

I think so. Do you know any good way to test it?

 17 
 on: November 18, 2017, 05:24:35 PM 
Started by Rominator - Last post by eVasilis
System Report does not accurately report the speed of nvidia cards. CudaZ does and so do some other benchmark utilities like opencl_oceanwave

 18 
 on: November 18, 2017, 03:52:45 PM 
Started by Spacedust - Last post by Spacedust
R9 280 Dual-X Sapphire same story. DVI goes black post boot with Apple Cinema HD Display. When reconnected all works fine.

 19 
 on: November 18, 2017, 09:56:53 AM 
Started by Rominator - Last post by mucunucu
y put pc 1050 ti on my mac pro 4,1  but y get 2,5 gt link speed if put the 7950 amd unflashed get 5gt.....how to put the envidia to 5 gt link speed?HuhHuh?

 20 
 on: November 17, 2017, 12:55:30 AM 
Started by jeanlain - Last post by jamesb
I have a HD XFX 6870 Dual fan part number HD687A-ZD and have not had the result I have hoped for. None of the ports are capable of producing the typical Apple boot screen.
The third bite on the original Rom is 80 which converted to decimal is 128. Opening terminal I ran blocknum=128 size=$(($blocknum * 512))dd if=6870.efi.rom of=pc6870.rom bs=$size seek=1 conv=notrunc : then in terminal  python fixrom.py pc6870.rom pc6870.rom. Not sure what is wrong here perhaps more skilled heads can prevail with some assistance.  I have attached the original Rom issued with the card for reference and an image of my card.
 

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