Intel FSB800 (PC3200) - Manual (Page 59)

BIOS
Page 4-21
** Reload Global Timer Events **
Primary/Secondary IDE 0/1
Any activity occuring on these channels awakens the system from power savings
mode.
FDD, COM, LPT Port
When enabled, any event occurring on these ports awakens the system from power
savings mode.
PCI PIRQ[A-D]#
When enabled, any event occurring on these PCI slots awakens the system from
power savings mode.