HOW TO: Build A GPU Test & Repair Rig with a Variable Bench PSU and a Mining Adapter LER
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- Опубликовано: 4 сен 2024
- Let's take a Mining Adapter, A Variable Lab Bench PSU, A Motherboard and a POST analyzer... and build the ultimate GPU repair bench!
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TEST METERS
ANENG AN8009 MULITIMETER
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KAIWEETS HT118E MULTIMETER
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VC480C+ MILLIOHM METER
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MESR-100 ESR METER
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XC6013L CAPACITOR METER
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TM-902C TEMPERATURE METER
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LCR-T4 COMPONENT ANALYZER
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FNB58 USB ANALYZER
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PCI POST ANALYZER
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TL460S PLUS PCI_E ANALYZER
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TOOLTOP ET120MC2 SCOPE
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FNIRSI 1014D SCOPE
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NPS3010W 30V 10A PSU
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T12 STATION WITH M8 9501 HANDLE
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M8 9501 HANDLE
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YIHUA 982 Soldering Station C210/C245
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FNIRSI HS-02 PORTABLE SOLDERING C210/C245
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QUICK 861DW
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PROS'KIT SS-331H
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INFIRAY P2 PRO IR CAMERA + MACRO LENS
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TOOLTOP ET13S THERMAL CAMERA METER
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ET13S MACRO LENS
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OPTICAL MICROSCOPE
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TOMLOV TM4K AF FLEX
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TL866 II+ PROGRAMMER
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CH341 PROGRAMMER
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NC-559-ASM FLUX
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DESOLDER BRAID (I use size 8045)
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HX-T100 SOLDER (0.6MM)
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ESD-11 TWEEZERS
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Thank you
Richard
Heya, that's a nice pcie adaptor/ exstancion for doing some work on gpu's. I can see why you love it
You are really growing, love the channel ☺️
Cheers mate 🙂 it's hard work but a lot of fun and heading the right way
Hey there Richard nice setup you got the, just one quick disclaimer the physical Sata Connector is rated for about 55W (ask me how i know), so just for testing it should be fine, but not for actually running the card with stress test or something.
Connecting via Molex would make a 100% safe, because Molex is more then 75W which is the max for pcie.
One more thing, cards idle at really low wats. Something like 30W or something and thats modern ones! So for just powering up i think you power supply is fine.
The oil stains might be from the Thermal pads. Many pads when they go bad or old are release a lot of oil. Gigabyte is known for their bad pads which oil a lot.
best regards!
Hi Daniel. Yes I have the option to use Molex, SATA to PCIe 6 way and PCIe 6 way or any combination thereof.
I have some very modern GPU I can test to see what is the idle current - so I will find out, but I am already in the market for a higher powered bench PSU anyway.
I can imagine exactly how you know a SATA connector is good for 55W Max! 😋
The analyzer card works although the Pci slot is through a bridge chip, I didn't know that. You can get a 16x riser for those that don't work in 1X mode. New GPUs will draw crazy current (transient load spikes of an RTX 3090 exceed 500W); good bench PSUs above 30A start to get expensive.
Hi John - though I do not dispute this, I don't believe the GPU would take anywhere near that amount of current when just booting to a BIOS screen for example, which is most likely all you need when diagnosing a fault.
I do have a full PCIe 16x extension cable I was using on previous videos. I think a 30A or even 20A PSU would be fine (20A = 240W at 12V). I'm intending to get a 30A one then can do some experiments. I did a load of experiments with this GPU test rig today and I already found some surprising thing. Video coming soon.
Thanks Richard, this is exactly what I've just ordered for GPU repair! I need to build the pci-e cable for the bench PSU next 😎👍
Hi Lex, I'm sure you will absolutely love it!!
I'm making another right now video with this test rig and trying to use just the bench PSU current meter to diagnose the faults - coming soon!!
@@LearnElectronicsRepair happy days! I can't wait 😁😎👍
You'll never need more than 5A PSU, even most demanding GPUs need only about 3A if working correctly to start up and most of them will go under that after few seconds anyway. Stuff like xx60 series card will be fine with 2A or less.
Out of curiosity, were the two 78l05 defective or was it something else? I have the exact same symptoms and measurements on a hd5670 that has the same two g78a smd components. Anyways, I really love the channel!
how did you make those cables for the gpu to connect to the bench psu
Nice video chap, I use the same risers, as I mine crypto so I know the 6 pin is rated for 75w HOWEVER that sata adapter is rated for 65w, For testing im sure it would be fine but for a constant load on that sata will burn it out. 75w going into a 65w adapter will gradually have a thermal heat issue on the cable.
Hi Kevin, as you can see the highest current any of these cards were drawing was less than 4 Amps. 4A x 12V = 48W so I am well within the power limit. And the cards that were taking so much power also had the 6way PCIe connector(s) so not even all this was conducting through the SATA adapter
@@LearnElectronicsRepair Thank you for clearing this up.
Or get a bog standard 600W ATX supply, wire in a good Volt - Amp display between the GPU or Molex conncetor and the ATX board and throw in a toggle switch between PS-On and ground.
@@Wingedmechanic Yes I also thought of that option as well - I'll probably do a video of that sort of conversion and also more videos with a higher rated bench PSU (which was already on my to buy list anyway) The other advantage of the bench PSU is the current limit. Some viewers suggest that modern graphics cards don't take much more power when just booting to the BIOS screen and I may not need more than a 5A Bench PSU, which is something I guess most of you here already have.
nice vido sir. God bless.
thank you
I don't get what the practical usage of this is. Why would you want to remove the graphics card from the pc? Is it for cooling or something?
Repairs