Cisco UCS B200 M3 Installation And Service Note - Page 19

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Supported DIMMs

The DIMMs supported in this blade server are constantly being updated. A list of currently supported and available DIMMs is in the

specification sheets at:

http://www.cisco.com/en/US/products/ps10280/products_data_sheets_list.html

Do not use any memory DIMMs other than those listed in the specification sheet. Doing so may irreparably damage the server and

require down time.

Memory Population

The blade server contains 24 DIMM slots—12 for each CPU. Each set of 12 DIMM slots is arranged into four channels, where each

channel has three DIMMs.

Figure 16: Memory Slots within the Blade Server

Channels A-D for CPU 1

Channels E-H for CPU 2

DIMMs and Channels

Each channel is identified by a letter—A, B, C, D for CPU1, and E, F, G, H for CPU 2. Each DIMM slot is numbered 0, 1, or 2. Note

that each DIMM slot 0 is blue, each slot 1 is black, and each slot 2 is off-white or beige.

The figure below shows how DIMMs and channels are physically laid out on the blade server. The DIMM slots in the upper and

lower right are associated with the second CPU (CPU shown on right in the diagram), while the DIMM slots in the upper and lower

left are associated with the first CPU (CPU shown on left).

Figure 17: Physical Representation of DIMMs and Channels