Jumpers - Asus H81-M2 User Manual

1.5.3 PCI Express 2.0 x1 slots
This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that
comply with the PCI Express specifications.
1.5.4 PCI Express x16 slot
This motherboard has a PCI Express x16 slot that supports PCI Express x16 graphic cards
complying with the PCI Express specifications.
1.5.3 PCI slots
The PCI slot supports cards such as a LAN card, SCSI card, USB card, and other cards that
comply with PCI specifications.
IRQ assignments for this motherboard
LAN
PCIE x16_1
PCIE x1_1
PCIE x1_2
PCIE x1_3
Intel PCH SATA Controller
HD Audio
USB2.0_1
USB2.0_2
USB3.0
1.6

Jumpers

1. Clear RTC RAM (3-pin CLRTC)
This jumper 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.
H81M2 Clear RTC RAM
To erase the RTC RAM:
1. Turn OFF the computer and unplug the power cord.
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H81M2
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Clear RTC
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Chapter 1: Product introduction
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