Hey Maurice!

 dmidecode> Handle 0x0005, DMI type 9, 17 bytes
 dmidecode> System Slot Information
 dmidecode>         Designation: M2B
 dmidecode>         Type: x1 PCI Express
 dmidecode>         Current Usage: In Use
 dmidecode>         Length: Short
 dmidecode>         ID: 34
 dmidecode>         Characteristics:
 dmidecode>                 3.3 V is provided
 dmidecode>                 Opening is shared
 dmidecode>                 PME signal is supported
 dmidecode>         Bus Address: 0000:01:00.0

It is the same situation on the x86_64-znver1-linux-gnu host.  Different chipsets but the result is the same.

Life is good,
Maurice

... Ne m‘g werig mod wyrde wi¨stondan, ne se hreo hyge helpe gefremman.
    A weary mind cannot withstand fate, nor a sad heart offer help.
--- GNU bash, version 5.1.16(1)-release (x86_64-znver1-linux-gnu)