Advantech SKY-8101 User Manual page 52

- The PCI Express* port(s) are fully-compliant to the PCI Express* Base Specification,
Revision 3.0 (PCIe 3.0)
- Support for PCI Express* Gen 3 (8.0 GT/s), Gen 2 (5.0 GT/s), and Gen 1 (2.5 GT/s)
- Up to 48 PCIe lanes, and group as three x16 (Port1, Port2 and Port3)
- CPU x16 port may negotiate down to x8, x4
- CPU x8 port may negotiate down to x4
- PCH x4 port may negotiate down to x2, x1
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SKY-8101S Manual V04 20180321 Copyright 2016 Advantech Co. Ltd. All rights reserved. Page 50