Proface PS4800 - 19 Panel PC" - Manual (Page 91)

PS-4600 Series User Manual
91
Advanced PCI Express Root Port
The table shows the Advanced PCI Express Root Port options:
WARNING
UNGUARDED MACHINERY CAN CAUSE SERIOUS INJURY
Defining improper settings can cause instability or device problems. It is therefore,
we strongly recommended that these settings only be changed by experienced
users.
Failure to follow these instructions can result in death, serious injury, or
equipment damage.
BIOS Setting Description Setting Op-
tions Effect
PCI Express
Root Port x This option is used to enable/disable the
PCI Express root port. Enabled PCI Express root port 1 enabled.
Disabled PCI Express root port 1 and 2 are dis-
abled.
ASPM Active State Power Management Option for
setting a power-saving function (L0s/L1) for
PCIE devices if not required full power. Disabled Disables this function.
L0s Enables the L0 energy saving func-
tion.
L1 Enables the L1 energy saving func-
tion. Power consumption is lower
than with L0, but the exit latency
higher.
L0sL1 Automatic assignment of L0s or L1
power-saving function by the PCIe
device.
Auto Automatic assignment by the BIOS
and operating system.
URR Unsupported Request (UR) reporting
Option for reporting unsupported requests.
Logging of error detected messages re-
ceived by the root port is controlled exclu-
sively by the Root Control Register. Enabled Enables this function.
Disabled Disables this function.