ASUS P8H77-M LE 1-21
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 specications.
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
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Weight and Dimensions
