Specifications

PCIe/104 and PCI/104-Express Specification Revision 3.0 February 17, 2015 Page 19
2.4.6 Link Shifting Stack Examples
Figure 2-4: Automatic Link Shifting Stack-Up Example Consisting of Two x1 Link Device, One x4 Link Device, and
One Device with One x1 Link and One x4 Link
CPU
1x1 2x1 3x1 4x1 0x4 0x4 0x4 0x4 1x4 1x4 1x4 1x4
x1 Link Device
Peripheral Module
x1 Link Device
Peripheral Module
x4 Link Device
Peripheral Module
Combination
x1 and x4 Link Devices
Peripheral Module
x1 Link Device
x4 Link Device
x1 Link Device
x1 Link Device
x4 Link Device
Four x 1 Links Two x4 Links