MSI P35 Neo series User Manual page 49

Resume From S3 by PS/2 Mouse
This setting determines whether the system will be awakened from what power
saving modes when input signal of the PS/2 mouse is detected.
Resume by PCI Device (PME#)
W hen set to [Enabled], the feature allows your system to be awakened from the
power saving modes through any event on PME (Power Management Event).
Resume by PCI-E Device
W hen set to [Enabled], the feature allows your system to be awakened from the
power saving modes through any event on PCI Express device.
Resume by RTC Alarm
The field is used to enable or disable the feature of booting up the system on a
scheduled time/date.
BIOS Setup
3-15