lspci
02:00.0 VGA compatible controller: NVIDIA Corporation GF119 [GeForce GT 610] (rev a1)
the pci bus is 02 the deivce id is 00
and why can’t find this info in dmidecode
thisi is dmidecode
dmidecode 2.12-dmifs
SMBIOS 2.7 present. 104 structures occupying 5095 bytes. Table at 0x000EB110.
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Answer
The SMBIOS information is a little bit limited – If you look at the latest specification in section 7 it indicates the structures that would be populated in the information tables. Things like baseboard, etc. The list is pretty self-explanatory, and generally includes the slots exposed by the motherboard and whether they’re occupied or not.
The issue is that it relies on the BIOS vendor to populate everything – if they choose not to populate a type 10/type 41 entry for the built-in GPU, then you won’t find one in the dmi output, and there’s pretty much nothing you can do about it except complain to the vendor.
In general if you’ve got add-on cards, the only information you would get from smbios is the fact that one of the add-on slots is occupied. I would not expect a bios vendor to interrogate the add-on cards to populate this information as this information would not be considered ‘built-in’ to the motherboard.