mPCIe Slot Pinout with +5v?

AN43 Pinout Descriptions and Reference Designs pcie slot pinout Connector pinout · Each slot has its own REQ# output to, and GNT# input from the motherboard arbiter · Each slot has its own IDSEL line, usually connected to a pcie m2 slot SFF-8639 PCI Express Connector Pinout 原创 · PCIe_协议规范，SFF-8639 版本 · 接口规范（SSF-8639）PIN定义 · SFF-8639协议标准， PSAS连接器

pcie training error slot 1 PCI Express - 1-lane slot ; a01, PRSNT#1 ; a02, +12V ; a03, +12V ; a04, gnd