72 IBM : Hardware Maintenance ManualSDRAM memory errorsSDRAM error messages issued by the IBM PC Enhanced Diagnostics.Note: Y is the SDRAM socket number. Use the System Board Layout section in thelatest Hardware Maintenance Manual (HMM) to reference the memorysockets.Hard disk drive boot errorA hard disk drive boot error (error code 17XX) can have the following causes.Power Supply ErrorsIf the power-on indicator is not on, the power supply fan is not running, or thecomputer will not power-off, use the following procedures.Error FRU/Action2xxA memory error was detected in SDRAMsocket Y.Replace the SDRAM in the socket identified bythe last digit of the error code.Re-run the test.If the same error code occurs again, replace thesystem board.Corrupt BIOSInformation in BIOS is not as expected.Not able to find expected DMI informationfrom BIOS.Reflash the BIOS.Perform boot block recovery.Replace the system board.Test aborted by user Restart test.Error FRU/ActionThe start-up drive is not in the boot sequencein configuration.Check the configuration and ensure the start-up drive is in the boot sequence.No operating system installed on the bootdrive.Install an operating system on the boot drive.The boot sector on the start-up drive iscorrupted.The drive must be formatted, do the following:1. Attempt to access and recover (back-up)the failing hard disk drive.2. Using the operating systems programs,format the hard disk drive.3. Go to “Preparing the hard disk drive foruse” on page 17.The drive is defective. Replace the hard disk drive.
