MK. Asked: 2012-06-01 10:35:42 +0800 CST2012-06-01 10:35:42 +0800 CST 2012-06-01 10:35:42 +0800 CST finding PCIe lanes in linux 772 I have a PCIe (ver 2) linux system. I want to find out how many PCIe lanes were negotiated and are being used between my device and the host controller . (I do not know how many lanes my device supports or how many lanes the slot has) linux pci-express pci 1 Answers Voted Best Answer Sven 2012-06-01T10:42:33+08:002012-06-01T10:42:33+08:00 lspci -vv should give you this information, look for the "Width" part in the LnkCap section.
lspci -vvshould give you this information, look for the "Width" part in theLnkCapsection.