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PCIe/104 and PCI/104-Express Specification Revision 3.0 February 17, 2015 Page 26

2.9.3 Type 1 PCI Express x8 Device Layout Example

Figure 2-10 below shows an example of routing a Type 1 x8 PCI Express link from the PCIe/104 connector directly

to a PCI Express x8 device. This device is shown as a stack down version and implements lane shifting.

Figure 2-10 Example breakout routing a PCI Express x8 device stacking down with lane shifting

2.9.4 Type 1 PCI Express x16 Device Layout Example

Figure 2-11 below shows an example of the routing from the Device connector directly to a PCI Express x16 device.

This example is stack down and does not use lane shifting since the x16 device uses all of the lanes on the link.

Figure 2-11 Example breakout routing a PCI Express x16 device stacking down

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