Asus RS260-E4 RX8 Service Guide - Page 28

Central Processing Unit CPU - support

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2.2 Central Processing Unit (CPU) The motherboard comes with two surface mount 771-pin socket and designed for the Intel® Xeon™ processors. Note in the illustration that the CPU has a gold triangular mark on one corner. This mark indicates the processor Pin 1 that should match a specific corner of the CPU socket. CPU1 CPU2 ® DSBF-D12/2U/SAS CPU LGA771 2.2.1 Installing a CPU • The motherboard supports either one or two CPUs. If you are installing only one CPU, you MUST install it in CPU socket 1. • Remove the dummy heatsink if you want to install the second CPU. To install a CPU: 1. Locate the CPU socket on the motherboard. Incorrect installation of the CPU into the socket may bend the pins and severely damage the CPU! 2. Press the load lever with your thumb (A), then move it to the left (B) until it is released from the retention tab. Retention tab A Load lever PnP cap B This side of the socket box should face you. To prevent damage to the socket pins, do not remove the PnP cap unless you are installing a CPU. 2- Chapter 2: Hardware setup

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Chapter 2:
Hardware setup
2-8
2.2
Central Processing Unit (CPU)
The motherboard comes with two surface mount 771-pin socket and designed for
the Intel
®
Xeon™ processors.
Note in the illustration that the CPU has a gold triangular mark on one corner. This
mark indicates the processor Pin 1 that should match a specific corner of the CPU
socket.
DSBF-D12/2U/SAS CPU LGA771
CPU1
CPU2
Incorrect installation of the CPU into the socket may bend the pins and severely
damage the CPU!
•
The motherboard supports either one or two CPUs. If you are installing only
one CPU, you MUST install it in CPU socket 1.
•
Remove the dummy heatsink if you want to install the second CPU.
To install a CPU:
1.
Locate the CPU socket on the motherboard.
2.2.1
Installing a CPU
To prevent damage to the socket pins, do not remove the PnP cap unless you
are installing a CPU.
2.
Press the load lever with your thumb (A), then move it to the left (B) until it is
released from the retention tab.
Retention tab
Load lever
This side of the socket box
should face you.
PnP cap
A
B