Power pins on a MI50
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if all manufacturers assign the same function/voltage to each pin shape, then one can determine with confidence what type of power plug is used on a gpu. the question is, do all use the same standard?
i am using gpus for linear algebra computations. virtualization is of no interest. double precision compute speed is.
i am using gpus for linear algebra computations. virtualization is of no interest. double precision compute speed is.
They all use standards pin-outs - There are 2 standards PCIe and EPS-12V connectors.
(The standard specifies how much voltage, amp, wattage can be passed through each pin on each standard - No1 is violating that, it would be big mess of dead gpu's if that was the case.)
The first 2 pins can be used to identify which one it is.
If first one is hot, and 2nd is square-ish then its EPS-12V.
If first one is ground, and 2nd has same shape as first, is a sense cable then it is PCIe.
As mentioned NV Tesla series cards use single 8pin EPS-12V.
MI60 uses 2x pcie 8pin's, (so MI50 100% uses same connectors - they are same gpu just cut down a bit.)
You won't find any GPU not using those
(except newest from NV that do 12pin but you won't find it anywhere else)
(and some cards in past could use molex)
// Note:
In terms of power typically 8pin EPS-12V = 2x 8pin PCIe power connectors. (and vice versa)
(The standard specifies how much voltage, amp, wattage can be passed through each pin on each standard - No1 is violating that, it would be big mess of dead gpu's if that was the case.)
The first 2 pins can be used to identify which one it is.
If first one is hot, and 2nd is square-ish then its EPS-12V.
If first one is ground, and 2nd has same shape as first, is a sense cable then it is PCIe.
As mentioned NV Tesla series cards use single 8pin EPS-12V.
MI60 uses 2x pcie 8pin's, (so MI50 100% uses same connectors - they are same gpu just cut down a bit.)
You won't find any GPU not using those
(except newest from NV that do 12pin but you won't find it anywhere else)
(and some cards in past could use molex)
// Note:
In terms of power typically 8pin EPS-12V = 2x 8pin PCIe power connectors. (and vice versa)
Last edited:
Thank you.
found pin close-up for mi60 (scroll down a bit)
i checked it against my radeon vii and are identical i.e. pcie. differ from your earlier pcie sketch tho;
the two leftmost pins in the top row are square.
found pin close-up for mi60 (scroll down a bit)
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i checked it against my radeon vii and are identical i.e. pcie. differ from your earlier pcie sketch tho;
the two leftmost pins in the top row are square.
