Lenovo RD120 Bedienungsanleitung PDF herunterladen (Seite 69)

Important: Dual-core and quad-core microprocessors are not interchangeable

and cannot be used in the same server. For example, if the server has a

dual-core microprocessor, you cannot install a quad-core microprocessor as the

second microprocessor. Use the Configuration/Setup Utility program to determine

the type and speed of the microprocessor that is currently installed in the server.

v The server supports up to two microprocessors. If the server comes with one

microprocessor, you can install a second microprocessor.

v Both microprocessors must have the same cache size and type, front-side bus

frequency, and clock speed. Microprocessor internal and external clock

frequencies must be identical.

v When you install a microprocessor in microprocessor connector 2, you must also

install the voltage regulator module (VRM), which comes with the microprocessor,

in the VRM connector.

v Read the documentation that comes with the microprocessor to determine

whether you must update the basic input/output system (BIOS) code for the

server. To download the most current level of BIOS code and many other code

updates for your server, complete the following steps:

1. Go to: http://www.lenovo.com/support.

2. Enter your product number (machine type and model number) or select

Servers and Storage from the Select your product list.

3. From Family list, select ThinkServer RD120, and click Continue.

4. Click Downloads and drivers to download firmware updates.

To order additional microprocessor optional devices, contact your Lenovo

marketing representative or authorized reseller.

v The microprocessor speeds are automatically set for this server; therefore, you

do not have to set any microprocessor frequency-selection jumpers or switches.

v If you have to replace a microprocessor, call for service.

v If the thermal-grease protective cover (for example, a plastic cap or tape liner) is

removed from the heat sink, do not touch the thermal grease on the bottom of

the heat sink or set down the heat sink.

v Do not remove the first microprocessor from the system board to install the

second microprocessor.

See “System-board optional-device connectors” on page 18 for the location of the

microprocessor connectors and the VRM connector.

The following illustration shows how to install the second microprocessor on the

system board.

Chapter 2. Installing optional devices 55

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Lenovo RD120 Bedienungsanleitung Seite 69