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Cisco UCS C240 M4 Server Installation and Service Guide
OL-32474-01
Chapter 3 Maintaining the Server
Installing or Replacing Server Components
Table 3-6 Riser 1A (UCSC-PCI-1A-240M4) 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
3. NCSI = Network Communications Services Interface protocol
1
Gen-3 x8 x24 connector 3/4 length Full height
Yes
4
4. NCSI is supported in only one slot at a time in this riser version. If a GPU card is present in slot 2, NCSI support automatically moves to slot 1.
2 Gen-3 x16 x24 connector Full length Full height Yes
Blank NA NA NA NA NA
Table 3-7 Riser 1B
1
(UCSC-PCI-1B-240M4) PCIe Expansion Slots
1. GPU cards are not supported in this riser 1B version. There is no GPU power connector in this version. Use riser version 1A or 1C for GPU cards.
Slot Number
Electrical
Lane Width Connector Length Card Length Card Height NCSI Support
1
Gen-3 x8 x16 connector 3/4 length Full height No
2 Gen-3 x8 x24 connector Full length Full height Yes
3 Gen-3 x8 x16 connector Full length Full height No
Table 3-8 Riser 1C (UCSC-PCI-1C-240M4) PCIe Expansion Slots
Slot Number
Electrical
Lane Width Connector Length Card Length Card Height NCSI Support
1
Gen-3 x8 x16 connector 3/4 length Full height Yes
2 Gen-3 x16 x24 connector Full length Full height Yes
SATA
boot-drive
sockets (two)
NA NA NA NA NA
Table 3-9 Riser 2 (UCSC-PCI-2-240M4) PCIe Expansion Slots
Slot Number
Electrical
Lane Width Connector Length Card Length Card Height NCSI Support
4
Gen-3 x8 x24 connector 3/4 length Full height Yes
5 Gen-3 x16 x24 connector Full length Full height Yes
1
1. NCSI is supported in only one slot at a time in this riser version. If a GPU card is present in slot 5, NCSI support automatically moves to slot 4.
6 Gen-3 x8 x16 connector Full length Full height No
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