Chapter 4: BIOS
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Peer Memory Write Enable
This feature enables Peer Memory Writing. The options are
Disabled
or Enabled.
M.2-H_1 ASPM Support
Use this item to set the Active State Power Management (ASPM) level for a PCI-E de-
vice. Select Auto for the system BIOS to automatically set the ASPM level based on the
system configuration. Select Disabled to disable ASPM support. The options are Disable,
L0s, L1, L0sL1, and
Auto
.
M.2-H_1 Substates
Use this feature to configure the PCI Express L1 Substates for the port specified. The
options are Disabled, L1.1, and
L1.1 & L1.2
.
M.2-H_1 PCIe Speed
Use this feature to select the PCI speed for the device installed in the M.2 slot. The op-
tions are
Auto
, Gen1, and Gen2.
Super IO Configuration
Super IO ChipAST2500
Serial Port 1 Configuration
Serial Port 1
This feature will enable Serial Port 1 (COM1). Click to check the box to enable Serial Port
1. The default is
Checked
(Enabled).
Device Settings
Change Settings
This feature specifies the base I/O port address and the Interrupt Request address of a
serial port specified by the user. Select
Auto to allow the BIOS to automatically assign the
base I/O and IRQ address. The options are
Auto
, (IO=3F8h; IRQ=4;), (IO=2F8h; IRQ=4;),
(IO=3E8h; IRQ=4;), and (IO=2E8h; IRQ=4;).
Serial Port 2 Configuration
Serial Port 1
This feature will enable Serial Port 1 (COM1). Click to check the box to enable Serial Port
1. The default is
Enabled
.
