Universal Serial Bus (USB) port problems . . . . . . . . . . . . . . 72Video problems. . . . . . . . . . . . . . . . . . . . . . . . 72Error LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . 72Power-supply LEDs . . . . . . . . . . . . . . . . . . . . . . . 75System pulse LEDs . . . . . . . . . . . . . . . . . . . . . . . 76Diagnostic programs and messages . . . . . . . . . . . . . . . . . 77Running the diagnostic programs . . . . . . . . . . . . . . . . . 78Diagnostic text messages . . . . . . . . . . . . . . . . . . . . 78Viewing the test log . . . . . . . . . . . . . . . . . . . . . . 79Diagnostic messages . . . . . . . . . . . . . . . . . . . . . 79Recovering the server firmware . . . . . . . . . . . . . . . . . . 113Automated boot recovery (ABR) . . . . . . . . . . . . . . . . . . 115Three boot failure . . . . . . . . . . . . . . . . . . . . . . . 115Solving power problems . . . . . . . . . . . . . . . . . . . . . 115Solving Ethernet controller problems . . . . . . . . . . . . . . . . 116Solving undetermined problems . . . . . . . . . . . . . . . . . . 116Problem determination tips . . . . . . . . . . . . . . . . . . . . 117Chapter 4. Parts listing, System x3250 M3 Types 4251, 4252, and 4261 119Replaceable server components . . . . . . . . . . . . . . . . . . 119Power cords . . . . . . . . . . . . . . . . . . . . . . . . . 123Chapter 5. Removing and replacing server components . . . . . . . . 127Installation guidelines . . . . . . . . . . . . . . . . . . . . . . 127System reliability guidelines . . . . . . . . . . . . . . . . . . . 128Working inside the server with the power on . . . . . . . . . . . . 129Handling static-sensitive devices . . . . . . . . . . . . . . . . . 129Returning a device or component . . . . . . . . . . . . . . . . 129Removing and replacing Tier 1 CRUs . . . . . . . . . . . . . . . . 130Removing the cover . . . . . . . . . . . . . . . . . . . . . 130Installing the cover . . . . . . . . . . . . . . . . . . . . . . 130Removing the bezel . . . . . . . . . . . . . . . . . . . . . 131Installing the bezel . . . . . . . . . . . . . . . . . . . . . . 132Removing the DIMM air baffle . . . . . . . . . . . . . . . . . . 132Installing the DIMM air baffle . . . . . . . . . . . . . . . . . . 133Removing the riser-card assembly . . . . . . . . . . . . . . . . 133Installing the riser-card assembly . . . . . . . . . . . . . . . . . 134Removing the system battery . . . . . . . . . . . . . . . . . . 135Installing the battery . . . . . . . . . . . . . . . . . . . . . 137Removing the PCI-X riser-card power cable . . . . . . . . . . . . . 139Installing the PCI-X riser-card power cable . . . . . . . . . . . . . 140Removing an adapter . . . . . . . . . . . . . . . . . . . . . 140Installing an adapter . . . . . . . . . . . . . . . . . . . . . 141Hard disk drive . . . . . . . . . . . . . . . . . . . . . . . 144Removing an optional DVD drive . . . . . . . . . . . . . . . . . 147Installing an optional DVD drive . . . . . . . . . . . . . . . . . 149Removing a memory module . . . . . . . . . . . . . . . . . . 151Installing a memory module . . . . . . . . . . . . . . . . . . . 152Removing a fan . . . . . . . . . . . . . . . . . . . . . . . 157Installing a fan . . . . . . . . . . . . . . . . . . . . . . . 158Removing an optional IBM ServeRAID-MR10i SAS/SATA Controller . . . . 159Installing an optional IBM ServeRAID-MR10i SAS/SATA Controller . . . . 160Removing an optional IBM ServeRAID-MR10is VAULT SAS/SATA Controller 162Installing the optional IBM ServeRAID-MR10is VAULT SAS/SATA controller 162Removing a USB embedded hypervisor flash device . . . . . . . . . 165Installing a USB embedded hypervisor flash device . . . . . . . . . . 165iv IBM System x3250 M3 Types 4251, 4252, and 4261: Problem Determination and Service Guide