ROG STRIX Z790-E GAMING WIFI
1-15
Chapter 1
12. Alternative PCIe Mode switch
The Alternative PCIe Mode switch allows you to switch the PCIe signal which comes
from the CPU from between Gen4 or Gen3 for the PCIe slot.
• When the Alternative PCIe Mode switch is set to Auto, the PCIe signal from the CPU
will be the default setting.
• When the Alternative PCIe Mode switch is set to 1
st
step, the PCIe signal from the
CPU will be Gen4, and LED1 will light up green.
• When the Alternative PCIe Mode switch is set to 2
nd
step, the PCIe signal from the
CPU will be Gen3, and LED2 will light up yellow.
• The nearby LEDs indicate which PCIe mode is currently selected.
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