Asus H81-PLUS, User Manual

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1-10 Chapter 1: Product introduction
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 supports PCI Express x16 network cards, SCSI cards, and other cards that
comply with the PCI Express specifications.
1.5.5 PCI slots
The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that
comply with PCI specifications.
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.
IRQ assignments for this motherboard
H81-PLUS
H81-PLUS Clear RTC RAM
1 2 2 3
Normal
(Default)
Clear RTC
CLRTC
A B C D E F G H
LAN – – shared – – – – –
PCIE x16
shared – – – – – – –
PCIE x1_1
shared – – – – – – –
PCIE x1_2
– shared – – – – – –
PCI_1
– – – shared – – – –
PCI_2
shared – – – – – – –
PCI_3
– shared – – – – – –
Intel PCH SATA Controller
– – – shared – – – –
HD Audio
– – – – – – shared –
USB2.0_1
– – – – – – – shared
USB2.0_2
– – – – shared – – –
USB3.0
– – – – – shared – –