The current help page suggests, that to find a video or Wi-Fi card's model, one should use "lspci". This is incorrect, because the command outputs the chipset of the given device, and not the device model. By only knowing the chipset's name, it's not always clear what the model of the device is, and it can be deceiving.
As an example, if a person goes searching for a motherboard with an "Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)", he'll most probably have hard time finding anything. He might no know that he actually needs to search for a motherboard with an "Intel GMA X4500". Take these two motherboard manufacturers as an example of how the Intel GMA is being marketed:
Also, a chipset can be in use in more than one device. For example, these two should carry the same chipset ("RV630"):
Another related thing is, currently some people have written their chipset model in the "model name" field...
... while others have written their device model in the same field.
One final thing to keep in mind is, that different revisions of the same device might have different chipsets. I think this is fairly common with Wi-Fi devices.
My point is, we should differentiate between devices and chipsets, and help contributors find the names of the device they wish to add in h-node.
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