User’s Manual

1-16
Chapter 1: Product Introduction
Chapter 1
12. Alteration Mode switch
The Alteration 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 Alteration Mode switch is set to Auto, the PCIe signal from the CPU will be
the default setting.
• When the Alteration 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 Alteration 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 alteration mode is currently selected.