3
Steady amber
Steady/Flashing green
(4 Hz)
An M.2 SSD module is faulty. Replace the drive
immediately.
Steady blue
Steady/Flashing green
(4 Hz)
An M.2 SSD module is operating correctly and is selected
by the RAID controller.
Off
Flashing green (4 Hz)
An M.2 SSD module is performing a RAID migration or
rebuilding, or the system is reading or writing data to the
drive.
Off
Steady green
An M.2 SSD module drive is present but no data is being
read or written to the drive.
Off
Off
An M.2 SSD module drive is not securely installed.
DIMMs
The blade server provides six DIMM channels per processor and each channel has two DIMM slots.
If the server has one processor, the total number of DIMM slots is 12. If the server has two
processors, the total number of DIMM slots is 24. The support for DIMMs varies by CPU brand.
DDR4 DIMM rank classification label
A DIMM rank is a set of memory chips that the system accesses while writing or reading from the
memory. On a multi-rank DIMM, only one rank is accessible at a time.
To determine the rank classification of a DDR4 DIMM, use the label attached to the DIMM, as shown
in
Figure 12 DDR4 DIMM rank classification label
Table 10 DIMM rank classification label description
Callout
Description
Remarks
1
Capacity
Options include:
•
8GB
.
•
16GB
.
•
32GB
.