Lenovo System x3250 M5 - In-Band Manual Recovery Method

In-bandmanualrecoverymethod
Thissectiondetailsthein-bandmanualrecoverymethod.
Torecovertheserverfirmwareandrestoretheserveroperationtotheprimarybank,completethefollowing
steps:
Step1.Readthesafetyinformationthatbeginson“Safety”onpagevand“Installationguidelines”
onpage31
.
Step2.Turnofftheserver,anddisconnectallpowercordsandexternalcables.
Step3.Unlockandremovethecover(see“Removingthecover”onpage33).
Step4.LocatetheUEFIbootbackupjumperonthesystemboard.
Figure83.Locationoftheswitches,jumpers,andbuttonsonthesystemboard
Step5.MovetheUEFIbootbackupjumperfrompins1and2topins2and3toenabletheUEFIrecovery
mode.
Step6.Reinstalltheservercover;then,reconnectallpowercords.
Step7.Restarttheserver.Thesystembeginsthepower-onself-test(POST).
Step8.Boottheservertoanoperatingsystemthatissupportedbythefirmwareupdatepackagethat
youdownloaded.
Step9.Performthefirmwareupdatebyfollowingtheinstructionsthatareinthefirmwareupdatepackage
readmefile.
Step10.Turnofftheserveranddisconnectallpowercordsandexternalcables,andthenremovethe
cover(see“Removingthecover”onpage33
).
Step11.MovetheUEFIbootbackupjumperfrompins2and3backtotheprimaryposition(pins1and2).
144LenovoSystemx3250M5InstallationandServiceGuide