Cisco UCS C240 M5 Installation And Service Manual page 47

Maintaining the Server
3 DIMM sockets on motherboard (up to 12 per CPU)
Not visible under air baffle in this view.
See DIMM Population Rules and Memory Performance
Guidelines , on page 70
4 CPUs and heatsinks (up to two)
Not visible under air baffle in this view.
Supercap unit (RAID backup) mounting bracket
5
6 Internal, vertical USB 3.0 port on motherboard
7 Mini storage module socket
Supports either an SD card carrier with two SD card
slots; or an M.2 SSD carrier with two slots for either two
M.2 SATA or two M.2 NVMe SSDs.
Chassis intrusion switch (optional)
8
9 PCIe cable connectors for NVMe SSDs, only on these
PCIe riser 2 options:
• 2B: One connector for rear NVMe SSDs.
• 2C: One connector for rear NVMe SSDs plus one
connector for front-loading NVMe SSDs
•
Rear-drive fan module
10
for DIMM slot numbering.
13 Rear 2.5-inch drive bays:
•
• All other C240 M5 PIDs support up to two drives:
◦ When using a hardware-RAID controller card
in the server, SAS/SATA drives or NVMe
SSDs are supported in the rear bays.
◦ When using software RAID in the server, only
NVMe SSDs are supported in the rear bays.
14 Trusted platform module (TPM) socket on motherboard
(not visible in this view)
PCIe riser 2 (PCIe slots 4, 5, 6), with the following options:
15
• 2A—Slots 4 (x16), 5 (x16), and 6 (x8).
• 2B—Slots 4 (x8), 5 (x16), and 6 (x8); includes cable
connector for rear-loading NVMe SSDs.
• 2C—With slots 4 (x8), 5 (x8), and 6 (x8); includes
two cable connectors for rear-loading and
front-loading NVMe SSDs.
•
16 Micro-SD card socket on PCIe riser 1
17 PCIe riser 1 (PCIe slot 1, 2, 3), with the following options:
• 1A—Slots 1 (x8), 2 (x16), 3 (x8); slot 2 requires
CPU2.
• 1B—Slots 1 (x8), 2 (x8), 3 (x8); all slots supported
by CPU1
Modular LOM (mLOM) card bay on chassis floor (x16
18
PCIe lane), not visible in this view
19 Cisco modular RAID controller PCIe slot (dedicated slot)
RTC battery, vertical socket
20
Cisco UCS C240 M5 Server Installation and Service Guide
Serviceable Component Locations
45