cExpress-AR User’s Guide
PICMG COM.0 R3.0
Page 32
Copyright © 2021 ADLINK Technology, Inc.
4.3.6.1.
PCH HSIO Lane Assignments (PCI Express)
Name
HSIO name on SOC
Comment
PCIE0 GPP
4
PCIE1 GPP
5
PCIE2 GPP
6
PCIE3 GPP
7
PCIE4 GPP
2
PCIE5 GPP
3
PCIE6 N/A
BOM option support by project basis through a PCIe switch
PCIE7 N/A
BOM option support by project basis through a PCIe switch
Notes:
General Purpose Ports GPP 2-9 can support up to a maximum of 6 devices (SATA 0/1 count as one device).
PCIe 0-3 can be x4, x2 or x1, PCIe 4-5 can be x2 or x1.
