Terasic Mercury A2700 User Manual page 21

Figure 2-8 Position of the PCIe mode switch
Board
Signal Name
Reference
SW4.1 PCIE_PRSNT2n_x1
SW4.2 PCIE_PRSNT2n_x4
SW4.3 PCIE_PRSNT2n_x8
SW4.4 PCIE_PRSNT2n_x16
MA27
User Manual
Table 2-2 SW8 PCIe Control DIP Switch
On : Enable x1 presence detect
Off: Disable x1 presence detect
On : Enable x4 presence detect
Off: Disable x4 presence detect
On : Enable x8 presence detect
Off: Disable x8 presence detect
On : Enable x16 presence detect
Off: Disable x16 presence detect
21
Description
Default
Setting
Off
Off
Off
On
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February 17,
2024