Cisco UCS C240 M5 Installation And Service Manual page 152

Requirement For All GPUs: Memory-Mapped I/O Greater Than 4 GB
When using NVIDIA Tesla P100 12GB or 16GB GPU cards in this server, the maximum operating
Caution
temperature (air inlet temperature) for the server is 28° C (82.4° F).
When using NVIDIA Tesla P40 GPU cards in this server, the maximum operating temperature (air inlet
Caution
temperature) for the server is 32° C (89.6° F).
• Use the UCS power calculator at the following link to determine the power needed based on your server
• Double-wide GPU cards are supported in PCIe riser 1, slot 2 and in PCIe riser 2, slot 5.
• A double-wide GPU card installed in slot 2 also covers slot 4; a double wide GPU card installed in slot
• Do not mix different brands or models of GPU cards in the server.
• You can install a GPU card and a Cisco UCS VIC in the same riser. When you install a GPU card in
• The NVIDIA Tesla P-series GPUs can support more than 1 TB of memory in the server. All other
Requirement For All GPUs: Memory-Mapped I/O Greater Than
4 GB
All supported GPU cards require enablement of the BIOS setting that allows greater than 4 GB of
memory-mapped I/O (MMIO).
• Standalone Server: If the server is used in standalone mode, this BIOS setting is enabled by default:
Cisco UCS C240 M5 Server Installation and Service Guide
150
configuration: http://ucspowercalc.cisco.com
Note GPU cards are not supported in all PCIe riser options. GPU cards are supported only in
the following riser options:
• PCIe riser 1 (UCSC-PCI-1-C240M5)
• PCIe riser 2A (UCSC-PCI-2A-C240M5)
• PCIe riser 2B (UCSC-PCI-2B-C240M5)
5 also covers slot 6.
slot 2, NCSI support in riser 1 automatically moves to slot 1. When you install a GPU card in slot 5,
NCSI support in riser 2 automatically moves to slot 4.
NVIDIA GPUs (M-series) can support only 1 TB or less of memory in the server. Therefore, do not
install DIMMs totaling more than 1 TB capacity when using an M-Series NVIDIA GPU card in this
server.
Advanced > PCI Configuration > Memory Mapped I/O Above 4 GB [Enabled]
If you need to change this setting, enter the BIOS Setup Utility by pressing F2 when prompted during
bootup.
GPU Card Installation