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Contents 9
Troubleshooting a Wet Enclosure . . . . . . . . . . . . 255
Troubleshooting a Damaged Enclosure
. . . . . . . . . 256
Troubleshooting Enclosure Fan Modules . . . . . . . . 257
Troubleshooting Cooling Problems
. . . . . . . . . . . 262
Troubleshooting Sled Components
. . . . . . . . . . . 267
Troubleshooting System Memory
. . . . . . . . . 267
Troubleshooting a Hard-Drive
. . . . . . . . . . . 269
Troubleshooting Expansion Cards
. . . . . . . . . 270
Troubleshooting Processors . . . . . . . . . . . . 270
Troubleshooting the System Board
. . . . . . . . 271
Troubleshooting the System Battery
. . . . . . . . 272
IRQ Assignment Conflicts
. . . . . . . . . . . . . . . . 273
6 Updating Firmware Images and
Monitoring the PDU Power
Status . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Verifying and Updating the Fan Controller
Board Firmware Via the Compute Sled
. . . . . . . . . 275
Viewing the Fan Controller Board
Firmware Version Information
. . . . . . . . . . . 275
Updating the Fan Controller Board
Firmware . . . . . . . . . . . . . . . . . . . . . . 275
Verifying and Updating the Fan Controller
Board Firmware Via SNMP
. . . . . . . . . . . . . . . 276
Before You Begin
. . . . . . . . . . . . . . . . . . 276
Checking FCB Indicators
. . . . . . . . . . . . . . 277
Resetting the FCB Network Connection
. . . . . . 277
Viewing or Changing the FCB
Configuration Information . . . . . . . . . . . . . 278