Express-TL User’s Guide
PICMG COM.0 R3.0
Page 65
Copyright © 2022 ADLINK Technology, Inc.
5.7.
PCI Express Configuration Switch
The PCI Express Configuration Switch allows you to configure the PCI Express x16 lanes from the CPU as 1 PCIe x16, 2 PCIe x8, or 1 PCIe x8 + 2 PCIe x4.
Mode
Pin 1
Pin 2
1 PCIe x16 (default)
Off
Off
2 PCIe x8
Off
On
1 PCIe x8 + 2 PCIe x4
On
On
Reserved
On
Off