Chapter 4: BIOS
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PCH SLOT4 PCI-E 3.0 X4 (IN X8)
SLOT4 ASPM
Use this item to set the Active State Power Management (ASPM) level for the PCI-E device
installed on the slot specied. Select Auto for the system BIOS to automatically set the
ASPM level based on the system conguration. Select Disabled to disable ASPM support.
The options are Disabled, L0s, L1, L0s & L1, and Auto.
SLOT4 L1 Substates
Use this feature to congure the PCI Express L1 Substates. The options are Disabled,
L1.1, L1.2, and L1.1 & L1.2
SLOT4 PCIe Speed
Use this feature to select the PCI Express port speed. The options are Auto, Gen1, Gen2,
and Gen3.
SLOT4 Detect Non-Compliance
Select Enabled for the AMI BIOS to automatically detect a PCI-E device that is not compliant
with the PCI-E standards. The options are Disabled and Enabled.
PCI Express Conguration
Port 61h bit-4 Emulation
Select Enabled to enable the emulation of Port 61h bit-4 toggling in SMM (System
Management Mode). The options are Disabled and Enabled.
PCIe PLL SSC
Select Enabled to enable Phase Locked Loop (PLL) support on the Spread Spectrum Clock
(SSC) settings to help reduce Electromagnetic Interference caused by the components in
the system. Select Disabled to enhance system stability. The options are Disabled and
Enabled
SATA Conguration
When this submenu is selected, the AMI BIOS automatically detects the presence of the SATA
devices that are supported by the Intel PCH chip and displays the following items:
SATA Controller(s)
This item enables or disables the onboard SATA controller supported by the Intel PCH chip.
The options are Enabled and Disabled.
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