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Help understand how 12V PCI EXT monitoring works
https://vlab.su/viewtopic.php?f=48&t=107806		 Страница 1 из 1
TheMArcos [ 10 окт 2020, 02:29 ]
Заголовок сообщения:  Help understand how 12V PCI EXT monitoring works
hi guys, the card is a gigabyte gtx 960, there was a shorted mosfet, removed mosfet, when connecting only to the pci express of the motherboard the card asks to connect the "pci power cable", when connecting the Pci power cable ext, as voltages do not rise, I only have 12v, 5v and 3.3v, I would like a help to understand where the PCI ext power is monitored and if it is possible bypass, if there is no way to repair it.
Воробей [ 11 окт 2020, 00:43 ]
Заголовок сообщения:  Re: Help understand how 12V PCI EXT monitoring works
can you post here images of your board? i'd wish i can find datasheets and possibly find how it actually might detect itself being -1 phase and wont power up.
TheMArcos [ 11 окт 2020, 02:25 ]
Заголовок сообщения:  Re: Help understand how 12V PCI EXT monitoring works
my card is this:

Изображение

Изображение
Воробей [ 12 окт 2020, 13:38 ]
Заголовок сообщения:  Re: Help understand how 12V PCI EXT monitoring works
Do you have an oscilloscope?
Which phases does have pwn wihout ext pci power
?
---------- Добавлено спустя 4 часа 23 минуты 5 секунд: ----------
I think this phase is dead too
Изображение
TheMArcos [ 14 окт 2020, 05:43 ]
Заголовок сообщения:  Re: Help understand how 12V PCI EXT monitoring works
Воробей писал(а):

Posted: Yesterday, 11:01
Do you have an oscilloscope?
Which phases does have pwn wihout ext pci power
?
---------- Добавлено спустя 4 часа 23 минуты 5 секунд: ----------
I think this phase is dead too




yes i do, i couldn't see your image!
Воробей [ 14 окт 2020, 13:22 ]
Заголовок сообщения:  Re: Help understand how 12V PCI EXT monitoring works
1) which phases does have PWM?
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