MSI G52-MA00628 - Manual (Page 65)

BIOS Setup
3-23
**Reloads Global Timer Events**
Primary/Secondary IDE, FDD, COM, LPT Port, PCI PIRQ[A-D]#
Global Timer Events are I/O events whose occurence can prevent the
system from entering a power saving mode or can awaken the system
from such a mode. In effect, the system remains alert for anything which
occurs to a device that is configured as Enabled, even when the system
is in a power down mode. Setting options: Disabled, Enabled.
Table 1
Wake-up signal from S1 S3 S4 S5
Wake Up On Ring v v v v
Wake Up On PME v v v v
PS/2 Mouse & Keyboardv v v v
USB Mouse & Keyboardv v
BIOS Alarm v v v v