From WikiChip
Property:io pcie max lanes
1299
U

This is a number property representing the maximum number of PCIe lanes that are directly going to the chip in context. This number DOES NOT include lanes that come from auxiliary chips such as the southbridge. Note that this number usually refers to the number of usable PCIe as opposed to an absolute max as on some platforms (e.g., Intel's DMI 1/2/3) a set number of lanes are reserved for the chipset.

IO Subobject

Facts about "io pcie max lanes"
Has type
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Number +