Proface PS4800 - 19 Panel PC" - Manual (Page 90)

Configuration of the BIOS
90
ASPM L0s 3 Option for setting the L0 power-saving
function. Disabled Disables this function.
Root port
only Enables the power-saving function
for the root port.
Endpoint
only Enables the power-saving function
for the endpoint port.
Both root
and endpoint
ports Enables the power-saving function
for the root and endpoint ports.
PEG2 Displays the mode in which the device con-
nected to the PEG1 port is operated. None –
PEG2 Speed Option for setting the maximum transfer
rate for the PEG2 port. Auto The maximum transfer rate is select-
ed.
Gen1 The maximum transfer rate is
2.5 GT/s.
Gen2 The maximum transfer rate is 5 GT/s.
Gen3 The maximum transfer rate is 8 GT/s.
PEG2 ASPM
1 Option for setting a power-saving function
for the PEG2 port if it does not require full
power. Disabled Disables this function.
Auto Automatic assignment by the BIOS
and operating system.
ASPM L0s Enables the L0 energy saving func-
tion.
ASPM L1 Enables the L1 energy saving func-
tion. Power consumption is lower
than with L0, but the exit latency
higher.
ASPM L0sL1 Automatic assignment of L0s or L1
power-saving function by the PCIe
device.
ASPM L0s
4 Option for setting the L0 power-saving
function. Disabled Disables this function.
Root port
only Enables the power-saving function
for the root port.
Endpoint
only Enables the power-saving function
for the endpoint port.
Both root
and endpoint
ports Enables the power-saving function
for the root and endpoint ports.
Detect non-com-
pliant Device Option for detecting incompatible PCI Ex-
press devices on the PEG port. Disabled Disables this function.
Enabled Enables this function. Even incom-
patible PCI Express devices are de-
tected on the PEG port.
De-emphasis
Control Option for equalizing the PEG port. -6 dB -6 dB equalization.
-3.5 dB -3.5 dB equalization.
BIOS Setting Description Setting Op-
tions Effect
1) ASPM = Active State Power Management.
2) This setting is only possible when PEG0 ASPM is set to ASPM L0s or ASPM L0sL1.
3) This setting is only possible when PEG1 ASPM is set to ASPM L0s or ASPM L0sL1.
4) This setting is only possible when PEG2 ASPM is set to ASPM L0s or ASPM L0sL1.