Dell PowerEdge 6600 Memory Installation Guidelines (.pdf) - Page 3

Microprocessor and VRM Mixing - processor upgrades

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CAUTION: Only trained service technicians are authorized to remove the system covers and access any of the components inside the system. CAUTION: The System Information document provides important safety and regulatory information. Read and follow all safety instructions prior to setup, operation, and service of your system. To take advantage of future options in speed and functionality, you can add additional microprocessors or replace installed microprocessors. NOTICE: Before you add or replace a microprocessor, check the latest system BIOS information on the Dell Support website at support.dell.com, and upgrade the BIOS if necessary. NOTICE: The additional microprocessors must be of the same type as the primary microprocessor. All microprocessors must also have the same L2 and L3 cache sizes. Each microprocessor and its associated cache memory are contained in a PGA package that is installed in a ZIF socket on the microprocessor board. In a single-microprocessor system, the microprocessor must be installed in the CPU1 socket. NOTE: A microprocessor and VRM must be installed in the CPU1 and VRM1 sockets, respectively. To identify the CPU1 and VRM1 sockets, see Figure 1-1. NOTICE: If a microprocessor socket does not have a microprocessor installed, a heat-sink blank must be installed for that socket. The following items are included in the microprocessor upgrade kit: •A microprocessor •A heat sink •A VRM, if you are adding additional microprocessors Microprocessor and VRM Mixing Your system does not support mixing processors or VRMs. If you mix processors or VRMs, the messages in Table 1-1 are displayed during POST. Table 1-1. System Message Message Mismatch VRMn Causes Latest processor revision with out-of-date VRMs, or mixed versions of VRMs VID mismatch n Mixed processors Corrective Actions Ensure that you have the correct version of VRMs installed for the processors in your system. Ensure that all VRMs are identical. Ensure that the processors are the same version. Microprocessor Upgrade Installation Guide 1-1

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Microprocessor Upgrade Installation Guide
1-1
CAUTION: Only trained service technicians are authorized to remove the system
covers and access any of the components inside the system.
CAUTION: The
System Information
document provides important safety and
regulatory information. Read and follow all safety instructions prior to setup,
operation, and service of your system.
To take advantage of future options in speed and functionality, you can add additional
microprocessors or replace installed microprocessors.
NOTICE:
Before you add or replace a microprocessor, check the latest system BIOS
information on the Dell Support website at
support.dell.com
, and upgrade the BIOS if necessary.
NOTICE:
The additional microprocessors must be of the same type as the primary
microprocessor. All microprocessors must also have the same L2 and L3 cache sizes.
Each microprocessor and its associated cache memory are contained in a PGA package that
is installed in a ZIF socket on the microprocessor board.
In a single-microprocessor system, the microprocessor must be installed in the CPU1 socket.
NOTE:
A microprocessor and VRM must be installed in the CPU1 and VRM1 sockets,
respectively. To identify the CPU1 and VRM1 sockets, see Figure 1-1.
NOTICE:
If a microprocessor socket does not have a microprocessor installed, a heat-sink
blank must be installed for that socket.
The following items are included in the microprocessor upgrade kit:
•A microprocessor
•A heat sink
•A VRM, if you are adding additional microprocessors
Microprocessor and VRM Mixing
Your system does not support mixing processors or VRMs. If you mix processors or VRMs,
the messages in Table1-1 are displayed during POST.
Table
1-1.
System Message
Message
Causes
Corrective Actions
Mismatch VRM
n
Latest processor revision with
out-of-date VRMs, or mixed
versions of VRMs
Ensure that you have the correct version
of VRMs installed for the processors in
your system.
Ensure that all VRMs are identical.
VID mismatch
n
Mixed processors
Ensure that the processors are the same
version.