3-22
Cisco UCS C260 Server Installation and Service Guide
OL-24342-01
Chapter 3 Maintaining the Server
Installing or Replacing Server Components
Figure 3-13
Memory Riser Sockets on Motherboard
Identifying a Faulty Memory Riser or DIMM
The memory riser includes fault LEDs on its top panel so that you can identify which riser is faulty or
which riser contains faulty DIMMs (see
Figure 3-14
).
•
If one or more of the numbered DIMM fault LEDs are lit, replace the corresponding DIMMs as
described in
Replacing DIMMs, page 3-25
.
•
If the riser fault LED is lit, replace the memory riser as described in
Memory Riser Replacement
Procedure, page 3-23
.
Figure 3-14
Memory Riser Fault LEDs
CPU1
CPU2
Front of Server
CPU1 B0
CPU1 A0
CPU1 C1
CPU1 D1
CPU2 C1
CPU2 D1
CPU1 B1
CPU1 A1
CPU1 C0
CPU1 D0
CPU2 B0
CPU2 A0
CPU2 B1
CPU2 A1
CPU2 C0
CPU2 D0
330240
1
Two-DIMM riser top panel
2
Four-DIMM riser top panel
1 2
1 2 3 4
1
2
330602
