Asus P8H77-M LE Specifications download pdf (Page 32)

1-22 Chapter 1: Product introduction

IRQ assignments for this motherboard

A B C D E F G H

Intel PCH SATA controller #0 – – – shared – – – –

Intel PCH SATA controller #1 – – – shared – – – –

Realtek 8111F controller – shared – – – – – –

PCIE x16 shared – – – – – – –

PCIE x4 shared – – – – – – –

PCIE x1 shared – – – – – – –

PCI – – shared – – – – –

1.8.6 PCI Express x16 slot

This motherboard has a PCI Express 3.0 x16 slot that supports PCI Express 3.0/2.0 x16

graphic cards complying with the PCI Express specications.

1.9 Jumpers

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.

To erase the RTC RAM:

1. Turn OFF the computer and unplug the power cord.

2. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3

for about 5-10 seconds, then move the cap back to pins 1-2.

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.

P8H77-M LE

P8H77-M LE Clear RTC RAM

1 2

2 3

Normal

(Default)

Clear RTC

CLRTC

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 77 78

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Asus P8H77-M LE Specifications Page 32