Cisco UCS C240 M4 Installation And Service Manual page 92

Installing or Replacing Server Components
Table 3-7 Riser 1A (UCSC-PCI-1A-240M4) PCIe Expansion Slots
Electrical
Slot Number Lane Width
Gen-3 x8
1
2 Gen-3 x16
Blank NA
1. This is the supported length because of internal clearance.
2. This is the size of the rear-panel opening.
3. NCSI = Network Communications Services Interface protocol
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.
1
Table 3-8 Riser 1B
Electrical
Slot Number Lane Width
Gen-3 x8
1
2 Gen-3 x8
3 Gen-3 x8
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.
Table 3-9 Riser 1C (UCSC-PCI-1C-240M4) PCIe Expansion Slots
Electrical
Slot Number Lane Width
Gen-3 x8
1
2 Gen-3 x16
SATA NA
boot-drive
sockets (two)
Table 3-10 Riser 2 (UCSC-PCI-2-240M4) PCIe Expansion Slots
Electrical
Slot Number Lane Width
Gen-3 x8
4
5 Gen-3 x16
6 Gen-3 x8
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.
Cisco UCS C240 M4 Server Installation and Service Guide
3-50
Connector Length
x24 connector
x24 connector
NA
(UCSC-PCI-1B-240M4) PCIe Expansion Slots
Connector Length
x16 connector
x24 connector
x16 connector
Connector Length
x16 connector
x24 connector
NA
Connector Length
x24 connector
x24 connector
x16 connector
1
Card Length Card Height
3/4 length Full height
Full length Full height
NA NA
Card Length Card Height
3/4 length Full height
Full length Full height
Full length Full height
Card Length Card Height
3/4 length Full height
Full length Full height
NA NA
Card Length Card Height
3/4 length Full height
Full length Full height
Full length Full height
Chapter 3 Maintaining the Server
2 3
NCSI Support
4
Yes
Yes
NA
NCSI Support
No
Yes
No
NCSI Support
Yes
Yes
NA
NCSI Support
Yes
1
Yes
No
OL-32474-01