Asus B85M-G, Руководство пользователя, Страница: 18 / 78

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 3.0/2.0 x16 slot
This motherboard has a PCI Express x16 slot that supports PCI Express x16 graphic cards
complying with the PCI Express specifications.
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.
IRQ assignments for this motherboard
A B C D E F G H
LAN
– – shared – – – – –
PCIE x16 shared – – – – – – –
PCIE x1_1 shared – – – – – – –
PCIE x1_2 – shared – – – – – –
Intel PCH SATA controller – – – shared – – – –
HD Audio
– – – – – – shared –
USB2.0_1
– – – – – – – shared
USB2.0_2
– – – – shared – – –
USB3.0
– – – – – shared – –
B85M-G
B85M-G Clear RTC RAM
CLRTC
GND
PIN 1
+3V_BAT
E9884_B85M-G_v4_Manual.indb 10 2014/11/4 11:09:48