Via EPIA-EK10000G User Manual - Page 62

Primary INTR, IRQ3~IRQ15

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Chapter 3 IRQS ACTIVITIES Primary INTR IRQ3 (COM 2) IRQ4 (COM 1) IRQ5 (COM 3) IRQ6 (Reserved) IRQ7 (LPT ) IRQ8 (RTC Alarm) IRQ9 (IRQ2 Redir) IRQ10 (COM 4) IRQ11 (Reserved) IRQ12 (PS/2 Mouse) IRQ13 (Coprocessor) IRQ14 (Hard Disk) IRQ15 (Reserved) Phoenix - AwardBIOS CMOS Setup Utility IRQs Activities [ON] [Disabled] [Enabled] [Disabled] [Disabled] [Disabled] [Disabled] [Disabled] [Disabled] [Disabled] [Enabled] [Enabled] [Enabled] [Disabled] Item Help Menu Level If you choose Disabled, the power management unit will not monitor any IRQ activities. : Move Enter: Select +/-/PU/PD: Value F10: Save F5: Previous Values F6: Fail-Safe Defaults ESC: Exit F1: General Help F7: Optimized Defaults Primary INTR Restores the system to an active state if IRQ activity is detected from any of the enabled channels Settings: [Off, On] IRQ3~IRQ15 Enables or disables the monitoring of the specified IRQ line. These fields are only available if "Primary INTR" is on. Settings: [Enabled, Disabled] Note: IRQ (Interrupt Request) lines are system resources allocated to I/O devices. When an I/O device needs to gain attention of the operating system, it signals this by causing an IRQ to occur. After receiving the signal, when the operating system is ready, the system will interrupt itself and perform the service required by the IO device. 54

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Chapter 3
54
IRQ
S
A
CTIVITIES
: Move
F5: Previous Values
F6: Fail-Safe Defaults
F7: Optimized Defaults
Enter: Select
+/-/PU/PD: Value
F10: Save
ESC: Exit
F1: General Help
Menu Level
If you choose Disabled, the
power management unit will
not monitor any IRQ activities.
Item Help
Primary INTR
[ON]
IRQ3
(COM 2)
[Disabled]
IRQ4
(COM 1)
[Enabled]
IRQ5
(COM 3)
[Disabled]
IRQ6
(Reserved)
[Disabled]
IRQ7
(LPT
)
[Disabled]
IRQs Activities
Phoenix - AwardBIOS CMOS Setup Utility
IRQ8
(RTC Alarm)
[Disabled]
IRQ9
(IRQ2 Redir)
[Disabled]
IRQ10 (COM 4)
[Disabled]
IRQ11 (Reserved)
[Disabled]
IRQ12 (PS/2 Mouse)
[Enabled]
IRQ13 (Coprocessor)
[Enabled]
IRQ14 (Hard Disk)
[Enabled]
IRQ15 (Reserved)
[Disabled]
Primary INTR
Restores the system to an active state if IRQ activity is detected from any of
the enabled channels
Settings: [Off, On]
IRQ3~IRQ15
Enables or disables the monitoring of the specified IRQ line.
These fields are
only available if “Primary INTR” is on.
Settings: [Enabled, Disabled]
Note:
IRQ (Interrupt Request) lines are system resources allocated to I/O
devices.
When an I/O device needs to gain attention of the operating
system, it signals this by causing an IRQ to occur.
After receiving the
signal, when the operating system is ready, the system will interrupt itself
and perform the service required by the IO device.