Lenovo System x3750 M4 Installation And Service Manual page 521

Related links
– "Removing a memory module" on page 232
– "Replacing a memory module" on page 233
• W.68002 [W.68002] A CMOS battery error has been detected : CMOS Battery Fault
Severity
Warning
User Response
Complete the following steps:
1. If the system was recently installed, moved, or serviced, make sure the battery is properly
seated.
2. Check the IBM support site for an applicable service bulletin or firmware update that applies to
this error.
3. Replace the CMOS battery
4. Replace the system board.
Related links
– "Removing the system battery" on page 265
– "Replacing the system battery" on page 268
– "Removing the system board" on page 299
– "Replacing the system board" on page 301
Appendix C. UEFI/POST error codes
507