Intel BX User Manual page 45

III. CMOS SETUP UTILITY
 IRQ 8 Clock Event
IRQ 8 Clock Event:
- Enabled
- Disabled
 IRQ [3-7,9-15],NMI
IRQ [3-7,9-15],NMI:
- Enabled
- Disabled
 Primary IDE 0
 Primary IDE 1
 Secondary IDE 0
 Secondary IDE 1
 Floppy Disk
 Serial Port
Parallel Port

Primary/Secondary
IDE 0/1, Floppy,
Serial & Parallel
Port:
- Enabled
- Disabled
OS/2 has periodically IRQ8 RTC(Real Time Clock)
event. When set this item to enabled, OS/2 may has
problem to go into Doze/Standby/Suspend mode.
To enable or disable the detection of IRQ3-7, IRQ9-15
or NMI interrupt events for power saving mode.
These items enable or disable the detection of IDE,
Floppy, Serial and Parallel port activities for power
saving mode.
Default: Serial Port => Enabled
Default: Disabled
Default: Enabled
Others => Disabled
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