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Cisco UCS C24 Server Installation and Service Guide
OL-26647-01
Chapter 3 Maintaining the Server
Installing or Replacing Server Components
Replacing a PCIe Card
Caution Cisco supports all PCIe cards qualified and sold by Cisco. PCIe cards not qualified or sold by Cisco are
the responsibility of the customer. Although Cisco will always stand behind and support the C-Series
rack-mount servers, customers using standard, off-the-shelf, third-party cards must go to the third-party
card vendor for support if any issue with that particular third-party card occurs.
This section includes the following topics:
• PCIe Slots, page 3-34
• Replacing a PCIe Card, page 3-35
• Special Considerations for Cisco UCS Virtual Interface Cards, page 3-36
• RAID Controller Card Cable Routing, page 3-36
• Installing Multiple PCIe Cards and Resolving Limited Resources, page 3-37
PCIe Slots
The server contains two PCIe risers for horizontal installation of PCIe cards. See Figure 3-21 and
Table 3-6.
Note In a single-CPU system, PCIe riser 2 (slots 3, 4, 5) is not available.
Figure 3-21 Rear Panel, Showing PCIe Slots
1 PCIe riser 2 slots (slots 3, 4, 5) 2 PCIe riser 1 slots (slots 1, 2)
Ta b l e 3-6 PCIe Expansion Slots
Slot Number
Electrical
Lane Width Connector Length Card Length
1
1. This is the supported length because of internal clearance.
Card Height
2
2. This is the size of the rear panel opening.
NCSI
3
Support
1
Gen-3 x16 x16 extended Full length Full-height
Yes
4
2 Gen-3 x4 x8 connector 1/2 length Full-height No
3 Gen-3 x8 x16 connector 1/2 length Half-height No
4 Gen-3 x8 x8 connector 1/2 length Half-height No
5
Gen-3 x4 x8 connector 1/2 length Half-height No
285255
PSU 2
PCIe 4
PCIe 3 PCIe 1
PCIe 2
PCIe 5
PSU 1
1
2