Asus H110M-C User Guide - Page 18

Headers and Jumpers, IRQ assignments for this motherboard - cpu

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IRQ assignments for this motherboard A B C D E F G H PCIEx16_1 shared - - - - - - - PCIEx1_1 - - shared - - - - - PCIEx1_2 - - - shared - - - - PCI 1 - - shared - - - - - Realtek 8111H LAN Controller - - - shared - - - - HD Audio shared - - - - - - - SATA Controller shared - - - - - - - XHCI Controller shared - - - - - - - 1.6 Headers and Jumpers 1. Clear RTC RAM (2-pin CLRTC) This header allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords. +3V_BAT GND H110M-C CLRTC PIN 1 H110M-C Clear RTC RAM To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Use a metal object such as a screwdriver to short the two pins. 3. Plug the power cord and turn ON the computer. 4. Hold down the key during the boot process and enter BIOS setup to reenter data. • If the steps above do not help, remove the onboard battery and short the two pins again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery. • You do not need to clear the RTC when the system hangs due to overclocking. For system failure due to overclocking, use the CPU Parameter Recall (C.P.R.) feature. Shut down and reboot the system, then the BIOS automatically resets parameter settings to default values. 1-10 Chapter 1: Product introduction

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1-10
Chapter 1: Product introduction
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCIEx16_1
shared
–
–
–
–
–
–
–
PCIEx1_1
–
–
shared
–
–
–
–
–
PCIEx1_2
–
–
–
shared
–
–
–
–
PCI 1
–
–
shared
–
–
–
–
–
Realtek 8111H LAN
Controller
–
–
–
shared
–
–
–
–
HD Audio
shared
–
–
–
–
–
–
–
SATA Controller
shared
–
–
–
–
–
–
–
XHCI Controller
shared
–
–
–
–
–
–
–
1.6
Headers and Jumpers
1.
Clear RTC RAM (2-pin CLRTC)
This header allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can
clear the CMOS memory of date, time, and system setup parameters by erasing the
CMOS RTC RAM data. The onboard button cell battery powers the RAM data in
CMOS, which include system setup information such as system passwords.
To erase the RTC RAM:
1.
Turn OFF the computer and unplug the power cord.
2.
Use a metal object such as a screwdriver to short the two pins.
3.
Plug the power cord and turn ON the computer.
4.
Hold down the <
Del
> key during the boot process and enter BIOS setup to re-
enter data.
CLRTC
+3V_BAT
GND
PIN 1
H110M-C
H110M-C Clear RTC RAM
•
If the steps above do not help, remove the onboard battery and short the two pins
again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the
battery.
•
You do not need to clear the RTC when the system hangs due to overclocking. For
system failure due to overclocking, use the CPU Parameter Recall (C.P.R.) feature.
Shut down and reboot the system, then the BIOS automatically resets parameter
settings to default values.