Asus B85-A - Manual (Page 18)

1-10 Chapter 1: Product introduction
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.
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 slots
This motherboard has two PCI Express x16 slots that support PCI Express x16 graphic cards
complying with the PCI Express 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
A B C D E F G H
IGD shared – – – – – – –
Audio Controller – – – – – – shared –
EHCI 1 Controller – – – – – – – shared
EHCI 2 Controller – – – – shared – – –
XHCI Controller – – – – – shared – –
SATA Controller – – – shared – – – –
PCIE x16_1 shared – – – – – – –
PCIE x16_2 shared – – – – – – –
PCIE x1_1 shared – – – – – – –
PCIE x1_2 – shared – – – – – –
RTL8111G – – shared – – – – –
PCI Slot 1 – – – shared – – – –
PCI Slot 2 shared – – – – – – –
PCI Slot 3 – shared – – – – – –