Specifications

Cisco UCS Cisco UCS C220 M4 High-Density Rack Server (Large Form Factor Disk Drive Model)
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SUPPLEMENTAL MATERIAL
Motherboard USB and SD Ports, and RAID Card Backup Location
The C220 M4 LFF motherboard has a general-purpose USB socket, and two SD sockets as shown in Figure 14.
The mounting location for the RAID SuperCap data cache power backup module is also shown.
Figure 14 Motherboard USB and SD Ports and RAID Card SuperCap Location
1 Drives (SAS drives are hot-swappable) 10 Trusted platform module (TPM) socket on
motherboard (not visible in this view)
2 Cooling fan modules (six) 11 PCIe riser 2 (half-height PCIe slot 2)
3 SuperCap Power Module (RAID backup)
mounting bracket
12 PCIe riser 1 (full-height PCIe slot 1)
4 DIMM sockets on motherboard (24) 13 Modular LOM (mLOM) connector on chassis
floor
5 CPUs and heatsinks (up to two) 14 Cisco modular RAID controller PCIe riser
(dedicated riser with horizontal socket)
6 Embedded SATA RAID header for RAID 5 key
(not presently used)
15 Cisco modular RAID controller card
7 SD card bays on motherboard (two) 16 Embedded SATA RAID mini-SAS connectors
on motherboard (not used in this server)
8 Internal USB 3.0 port on motherboard 17 RTC battery on motherboard
9 Power supplies (up to two, hot-swappable
when redundant as 1+1)
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FAN 6
FAN 5
FAN 4
FAN 3
FAN 2
FAN 1
CPU 2
CPU 1
PSU 2
PSU 1
PCIe Riser 1
PCIe Riser 2
SD 1
SD 2
1
2
4 5
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8
9
10
11
12
13
1617 15 14
3