Lenovo ThinkSystem ST50 V2 - CMOS Battery (CR2032) Replacement; Remove the CMOS Battery (CR2032)

Table 27. Memory module installation rules and order for Independent Mode
Total
memory
modules
Memory channel A Memory channel B
Slot 1 Slot 2
Slot 3 Slot 4
1 V
2*
V V
4†
V V V V
* See the following for the maximum memory speed supported:
• Maximum memory speed supported by same memory capacity:
– Xeon
®
E3–23XX: up to 3200 MT/s
– Pentium Gold: up to 2666 MT/s
† See the following for the maximum memory speed supported:
• 8GB 1Rx8 DIMM
– Xeon
®
E3–23XX: up to 3200 MT/s
– Pentium Gold: up to 2666 MT/s
• 16GB 2Rx8
– Xeon
®
E3–23XX: up to 2933 MT/s
– Pentium Gold: up to 2400 MT/s
CMOS battery (CR2032) replacement
Follow this procedure to remove and install the CMOS battery (CR2032).
Remove the CMOS battery (CR2032)
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
Chapter 3. Hardware replacement procedures 45