Diagnostic programs, messages, and error codes . . . . . . . . . . . . 55Running the diagnostic programs . . . . . . . . . . . . . . . . . 55Diagnostic text messages . . . . . . . . . . . . . . . . . . . . 56Viewing the test log . . . . . . . . . . . . . . . . . . . . . . 56Diagnostic error codes . . . . . . . . . . . . . . . . . . . . . 56Recovering the BIOS code . . . . . . . . . . . . . . . . . . . . 67System event/error log messages . . . . . . . . . . . . . . . . . . 68IPMI BMC system-error log messages . . . . . . . . . . . . . . . 75BIOS-logged BMC system-error log messages . . . . . . . . . . . . 85Solving SCSI problems . . . . . . . . . . . . . . . . . . . . . . 87Solving power problems . . . . . . . . . . . . . . . . . . . . . 87Solving Ethernet controller problems . . . . . . . . . . . . . . . . . 88Solving undetermined problems . . . . . . . . . . . . . . . . . . . 89Problem determination tips . . . . . . . . . . . . . . . . . . . . 90Calling IBM for service . . . . . . . . . . . . . . . . . . . . . . 90Chapter 4. Parts listing, System x3655, Type 7985 and 7943 . . . . . . . 93Replaceable server components . . . . . . . . . . . . . . . . . . 93Product recovery CDs . . . . . . . . . . . . . . . . . . . . . . 100Power cords . . . . . . . . . . . . . . . . . . . . . . . . . 102Chapter 5. Removing and replacing server components . . . . . . . . 105Installation guidelines . . . . . . . . . . . . . . . . . . . . . . 105System reliability guidelines . . . . . . . . . . . . . . . . . . . 106Working inside the server with the power on . . . . . . . . . . . . 106Handling static-sensitive devices . . . . . . . . . . . . . . . . . 107Returning a device or component . . . . . . . . . . . . . . . . 107Connecting the cables . . . . . . . . . . . . . . . . . . . . . . 107Removing and replacing Tier 1 CRUs . . . . . . . . . . . . . . . . 109Removing the cover . . . . . . . . . . . . . . . . . . . . . 109Installing the cover . . . . . . . . . . . . . . . . . . . . . . 110Removing the air baffle . . . . . . . . . . . . . . . . . . . . 111Installing the air baffle . . . . . . . . . . . . . . . . . . . . . 112Removing an adapter . . . . . . . . . . . . . . . . . . . . . 113Installing an adapter . . . . . . . . . . . . . . . . . . . . . 114Removing the external SAS cable . . . . . . . . . . . . . . . . 115Installing the external SAS cable . . . . . . . . . . . . . . . . . 116Removing the Remote Supervisor Adapter II SlimLine . . . . . . . . . 118Installing the Remote Supervisor Adapter II SlimLine . . . . . . . . . 119Removing the ServeRAID SAS controller . . . . . . . . . . . . . . 120Installing a ServeRAID SAS controller . . . . . . . . . . . . . . . 121Removing a hard disk drive . . . . . . . . . . . . . . . . . . . 122Installing a hard disk drive . . . . . . . . . . . . . . . . . . . 123Removing a CD-RW/DVD drive . . . . . . . . . . . . . . . . . 125Installing a CD-RW/DVD drive . . . . . . . . . . . . . . . . . . 126Removing an optional tape drive . . . . . . . . . . . . . . . . . 127Installing an optional tape drive . . . . . . . . . . . . . . . . . 127Removing a memory module . . . . . . . . . . . . . . . . . . 132Installing a memory module . . . . . . . . . . . . . . . . . . . 132Removing a hot-swap fan . . . . . . . . . . . . . . . . . . . 134Installing a hot-swap fan . . . . . . . . . . . . . . . . . . . . 135Removing the fan-bracket assembly . . . . . . . . . . . . . . . 136Installing the fan-bracket assembly . . . . . . . . . . . . . . . . 137Removing a hot-swap power supply . . . . . . . . . . . . . . . . 138Installing a hot-swap power supply . . . . . . . . . . . . . . . . 139Removing the battery . . . . . . . . . . . . . . . . . . . . . 140iv IBM System x3655 Type 7985 and 7943: Problem Determination and Service Guide