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3.1 Processor subsystem
The eX4 architecture is designed to support the following Intel Xeon processors:
Xeon 7200 series (Tigerton) dual-core processors
Xeon 7300 series (Tigerton) quad-core processors
Xeon 7400 series (Dunnington) quad-core processors
Xeon 7400 series (Dunnington) 6-core processors
Each server can be upgraded to a maximum of four processors. One, two, three,
or four processors are supported. Installed processors must be identical in
model, speed, and cache size.
Figure 3-1 on page 90 shows the locations of the four processors (CPUs),
locations of the required voltage regulator modules (VRMs), which you can
identify by the blue handles, and the memory cards that we describe later in 3.2,
"Memory subsystem" on page 111.
CPU/ VRM 3, 1, 2, 4
Figure 3-1 Top view of the x3850 M2 and x3950 M2 processor board; order of installation
90
Planning, Installing, and Managing the IBM System x3950 M2
Air baffle
Memory card 1, 2, 3, 4
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