Asus M5A78L-M PLUS/USB3 M5A78L-M PLUS/USB3 Users manual English - Page 10

Clear RTC RAM 2-pin CLRTC, To erase the RTC RAM - am3

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ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) Correctly orient the ATX power supply plugs into these connectors and push down firmly until the connectors completely fit. • For a fully configured system, we recommend that you use a power supply unit (PSU) that complies with ATX 12 V Specification 2.0 (or later version) and provides a minimum power of 300 W. • If you are uncertain about the minimum power supply requirement for your system, refer to the Recommended Power Supply Wattage Calculator at http://support. asus.com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN) Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector. Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power. Only the 4-pin CPU fan supports the ASUS Fan Xpert feature. AMD® AM3+ CPU socket Install AMD® CPU into this surface mount AM3+ socket, which is designed for AMD® FX™ Series/Phenom™ II/Athlon™ II/Sempron™ 100 Series. For more details, refer to Central Processing Unit (CPU). DDR3 DIMM slots Install 1 GB, 2 GB, 4 GB, and 8 GB, unbuffered ECC and non-ECC DDR3 DIMMs into these DIMM sockets. For more details, refer to System memory. Clear RTC RAM (2-pin CLRTC) This header allows you to clear the CMOS RTC RAM data of the system setup information such as date, time, and 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 key during the boot process and enter BIOS setup to re-enter data. +3V_BAT GND CLRTC PIN 1 1-2 Chapter 1: Product introduction

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1-2
Chapter 1: Product introduction
ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
Correctly orient the ATX power supply plugs into these connectors and push down
firmly until the connectors completely fit.
For a fully configured system, we recommend that you use a power supply unit
(PSU) that complies with ATX 12 V Specification 2.0 (or later version) and provides
a minimum power of 300 W.
If you are uncertain about the minimum power supply requirement for your system,
refer to the Recommended Power Supply Wattage Calculator at http://support.
asus.com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for
details.
CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN)
Connect the fan cables to the fan connectors on the motherboard, ensuring that the
black wire of each cable matches the ground pin of the connector.
Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside
the system may damage the motherboard components. These are not jumpers! Do not
place jumper caps on the fan connectors! The CPU_FAN connector supports a CPU fan
of maximum 2A (24 W) fan power.
Only the 4-pin CPU fan supports the ASUS Fan Xpert feature.
AMD
®
AM3+ CPU socket
Install AMD
®
CPU into this surface mount
AM3+ socket, which is designed for AMD
®
FX™
Series/Phenom™ II/Athlon™ II/Sempron™ 100 Series.
For more details, refer to
Central Processing Unit (CPU)
.
DDR3 DIMM slots
Install 1 GB, 2 GB, 4 GB, and 8 GB, unbuffered ECC and non-ECC DDR3 DIMMs
into these DIMM sockets.
For more details, refer to
System memory
.
Clear RTC RAM (2-pin CLRTC)
This header allows you to clear the CMOS RTC RAM data of the system setup
information such as date, time, and 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.
CLRTC
+3V_BAT
GND
PIN 1