Lenovo System x3250 M4 - Rear View

•OptionalDVDdriveactivityLED:
WhenthisLEDislit,itindicatesthattheDVDdriveisinuse.
•Hot-swapharddiskdriveactivityLEDs(somemodels):
ThisLEDisusedonSASorSATAharddiskdrives.Eachhot-swapharddiskdrivehasanactivityLED,
andwhenthisLEDisflashing,itindicatesthatthedriveisinuse.
•Hot-swapharddiskdrivestatusLEDs(somemodels):
ThisLEDisusedonSASorSATAharddiskdrives.WhenthisLEDislit,itindicatesthatthedrivehas
failed.IfanoptionalIBMServeRAIDcontrollerisinstalledintheserver,whenthisLEDisflashingslowly
(oneflashpersecond),itindicatesthatthedriveisbeingrebuilt.WhentheLEDisflashingrapidly(three
flashespersecond),itindicatesthatthecontrollerisidentifyingthedrive.
Rearview
ThefollowingillustrationsshowtheconnectorsandLEDsontherearoftheserver.
Note:Theillustrationsinthisdocumentmightdifferslightlyfromyourhardware.
ThefollowingillustrationshowstheLEDsandconnectorsontherearofthefixedpower-supplymodel.
Power-cord
connector
USB 1-2 connector
USB 3-4 connector
Serial
connector
Video
connector
Ethernet 1
activity LED
Ethernet 1
link LED
Ethernet 2
activity LED
Ethernet 2
link LED
PCI slot 1
PCI slot 2
AC Power LED
(green)
DC Power LED
(green)
Power-supply
error LED
(amber)
NMI button
ThefollowingillustrationshowstheLEDsandconnectorsontherearoftheredundantpower-supplymodel.
AC
DC
AC
DC
Power-cord
connector
USB 1-2 connector
USB 3-4 connector
Serial
connector
Video
connector
Ethernet 1
activity LED
Ethernet 1
link LED
Ethernet 2
activity LED
Ethernet 2
link LED
PCI slot 1
PCI slot 2
AC Power LED
(green)
DC Power LED
(green)
Power-supply
error LED
(amber)
NMI button
•EthernetlinkLEDs:WhentheseLEDsarelit,theyindicatethatthereisanactivelinkconnectiononthe
10BASE-T,100BASE-TX,or1000BASE-TXinterfacefortheEthernetport.
•EthernetactivityLEDs:WhentheseLEDsarelit,theyindicatethatthereisactivitybetweentheserver
andthenetwork.
14LenovoSystemx3250M4InstallationandServiceGuide