Lenovo System x3250 M5 - Serial Port Problems; Serverguide Problems

Table27.Powerproblemsandactions(continued)
SymptomAction
2.IftheproblemremainsorifyouareusinganACPI-awareoperatingsystem,
suspectthesystemboard.
Theserverunexpectedlyshuts
down,andtheLEDsonthe
operatorinformationpanelare
notlit.
See“Solvingundeterminedproblems”onpage141
.
Serialportproblems
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby'(Trainedtechnicianonly)',thatstepmustbeperformedonlybyaTrained
technician.
•GototheLenovosupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,
hints,tips,andnewdevicedriversortosubmitarequestforinformation.
Table28.Serialportproblemsandactions
SymptomAction
Thenumberofserialportsthat
areidentifiedbytheoperating
systemislessthanthenumber
ofinstalledserialports.
1.Makesurethat:
•EachportisassignedauniqueaddressintheSetuputilityandnoneofthe
serialportsisdisabled.
•Theserial-portadapter(ifoneispresent)isseatedcorrectly.
2.Reseattheserialportadapter.
3.Replacetheserialportadapter.
Aserialdevicedoesnotwork.1.Makesurethat:
•Thedeviceiscompatiblewiththeserver.
•Theserialportisenabledandisassignedauniqueaddress.
•Thedeviceisconnectedtothecorrectconnector.
2.Reseatthefollowingcomponents:
a.Failingserialdevice
b.Serialcable
3.Replacethefollowingcomponentsoneatatime,intheordershown,restarting
theservereachtime:
a.Failingserialdevice
b.Serialcable
c.(Trainedtechnicianonly)Systemboard
ServerGuideproblems
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby'(Trainedtechnicianonly)',thatstepmustbeperformedonlybyaTrained
technician.
•GototheLenovosupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,
hints,tips,andnewdevicedriversortosubmitarequestforinformation.
138LenovoSystemx3250M5InstallationandServiceGuide