• The minimum configuration is that the server must have at least CPU module 1 installed in the lower
CPU module bay. Install CPU module 1 first, and then CPU module 2 in the upper bay.
If CPU module 2 is not present in the upper bay, you must have a blank filler
module in the upper bay or the server will not boot.
Note
• The maximum combined memory allowed in the 12 DIMM slots controlled by any one CPU is 768 GB.
To populate the 12 DIMM slots with more than 768 GB of combined memory, you must use a
high-memory CPU that has a PID that ends with an "M", for example, UCS-CPU-6134M.
• The following restrictions apply when using only a two-CPU configuration (CPU module 2 is not present):
• The maximum number of DIMMs is 24 (only CPU 1 and CPU 2 memory channels).
• Some PCIe slots are unavailable when CPU module 2 is not present:
PCIe Slots Controlled by CPU Module
2
(CPUs 3 and 4)
PCIe Slots Controlled by CPU Module
1
(CPUs 1 and 2)
3, 4, 6, 7, 11, 12
1, 2, 5, 8, 9, 10
• Only four double-wide GPUs are supported, in PCIe slots 1, 2, 8, and 10.
• No front NVMe drives are supported.
• The optional NVMe-only drive bay module UCSC-C480-8NVME is not supported.
• If a rear RAID controller is used, it must be installed in PCIe slot 10 rather than the default slot 11.
A blank filler must be installed in slot 11.
Tools Required For CPU Replacement
You need the following tools and equipment for this procedure:
• T-30 Torx driver—Supplied with replacement CPU.
• #1 flat-head screwdriver—Supplied with replacement CPU.
• CPU assembly tool—Supplied with replacement CPU. Orderable separately as Cisco PID UCS-CPUAT=.
• Heatsink cleaning kit—Supplied with replacement CPU. Orderable separately as Cisco PID
UCSX-HSCK=.
• Thermal interface material (TIM)—Syringe supplied with replacement CPU. Use only if you are reusing
your existing heatsink (new heatsinks have a pre-applied pad of TIM). Orderable separately as Cisco
PID UCS-CPU-TIM=.
See also
Additional CPU-Related Parts to Order with RMA Replacement CPUs, on page 102
.
Cisco UCS C480 M5 Server Installation and Service Guide
95
Maintaining the Server
Tools Required For CPU Replacement
Содержание UCS C480 M5
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Страница 134: ...Cisco UCS C480 M5 Server Installation and Service Guide 132 Server Specifications Server Specifications ...
Страница 162: ...Cisco UCS C480 M5 Server Installation and Service Guide 160 GPU Card Installation GPU Card Installation ...