All Questions
Tagged with pcie power-supply
9
questions
-2
votes
1
answer
187
views
Is there a way to power a GPU only by external supply?
Actually I don't think so, because I think different components of the GPU are powered by only one of the two sources.
- 3
0
votes
0
answers
85
views
What is the order of power intake across a GPU's power connectors?
On an Nvidia/EVGA 3080/3090 FTW3 GPU, there are three 8-pin PCIe power connectors. How does the "ordering" of power draw work across its 3x power ports (+ its PCIe slot)?
For example, if a ...
- 1,751
2
votes
1
answer
394
views
Is it bad to load one rail of a power supply vastly more than the other?
I am trying to modify a Delta DPS-400AB-17 server 1U power supply to support a desktop motherboard and graphics card. The power supply has an 8 pin 12V EPS connector attached to a 21A 12V (252W) rail. ...
- 21
1
vote
2
answers
271
views
Connecting signalling lines of the multiple devices with different power sources
I started to develop a simple device and this question arose. I need to make some uC device that will be connected to the PCI-E bus via M.2 socket. And I need this device to be working even during ...
- 210
21
votes
2
answers
74k
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What are "sense" pins in 8-pin PCI Express power plug?
I have an ATX PSU that has two 6pin connectors for PCI Express power. Both have Gnd on the lock bar side, and +12V on the opposite side. I lost modular cables that came with the PSU, and it made me to ...
- 689
-1
votes
1
answer
10k
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How to check (6 pin) PCI-E power rail on a pc powersupply?
Could anyone tell me if and how i might verify whether or not a PCI-Express 6 pin power lead on a PC is outputting correct voltage(s) ?
A while back, I decided to try to refurbish a graphics card ...
- 143
1
vote
2
answers
76
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How to discern quality of a breakout board? other than proper soldering on back of board [closed]
I see three different breakout boards for a project I am doing yet I am not sure which one to pick. How would i know which is of higher quality?
I do see a metal circle inserts in board two and ...
- 11
-3
votes
1
answer
164
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How to design a Video Card with existing GPU (NVDIA/AMD)? [closed]
I searched on the web if there is any documentation about designing a video card using existing GPU (NVDIA/AMD). Let's say, ASUS, MSI and other brands design GTX 960 cards using the same GPU. I'd like ...
- 254
3
votes
5
answers
43k
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How can I power my 6-pin PCI Express card without using an ATX power supply?
One of my older computers has a 365-watt power supply that, for various reasons, cannot be replaced with a new power supply. I would like to upgrade the graphics card in that computer, but all the ...
- 43