38 About Your SystemROM bad checksum=addressExpansion card improperlyinstalled or faulty.Reseat the expansion card(s).Ensure that all appropriatecables are securely connectedto the expansion card(s). Ifthe problem persists, see"Troubleshooting ExpansionCards" on page 187.SATA PORT x drivenot foundSATA port x was turned on insetup, but a drive was notfound.See "Troubleshooting a HardDrive" on page 181 for theappropriate drive(s) installedin your system.Sector not foundSeek errorSeek operationfailedFaulty hard drive, USBdevice, or USB medium.See "Troubleshooting a USBDevice" on page 165 or"Troubleshooting a HardDrive" on page 181 for theappropriate drive(s) installedin your system.Shutdown failure Shutdown test failure. See "Troubleshooting SystemMemory" on page 174.Spare bankenabledDIMM sparing has beenenabled.Information only.The amount ofsystem memory haschangedMemory has been added orremoved or a memorymodule may be faulty.If memory has been added orremoved, this message isinformative and can beignored. If memory has notbeen added or removed,check the SEL to determineif single-bit or multi-biterrors were detected andreplace the faulty memorymodule (see"Troubleshooting SystemMemory" on page 174).Table 1-6. System Messages (continued)Message Causes Corrective Actions
