Error Message DescriptionMemory double wordlogic failure ataddress, read valueexpecting valueA memory module may be faulty or improperly seated. Reinstall the memory modules and, ifnecessary, replace them.Memory odd/evenlogic failure ataddress, read valueexpecting valueA memory module may be faulty or improperly seated. Reinstall the memory modules and, ifnecessary, replace themMemory write/readfailure at address,read value expectingvalueA memory module may be faulty or improperly seated. Reinstall the memory modules and, ifnecessary, replace them.Memory size inCMOS invalidThe amount of memory recorded in the computer configuration information does not match thememory installed in the computer.Memory teststerminated bykeystrokeA keystroke interrupted the memory test.No boot deviceavailableThe computer cannot find the floppy disk or hard drive.No boot sector onhard-disk driveThe computer configuration information in System Setup may be incorrect.No timer tick interrupt A chip on the system board might be malfunctioning.Non-system disk ordisk errorThe floppy disk in drive A does not have a bootable operating system installed on it. Eitherreplace the floppy disk with one that has a bootable operating system, or remove the floppydisk from drive A and restart the computer.Not a boot diskette The operating system is trying to boot to a floppy disk that does not have a bootable operatingsystem installed on it. Insert a bootable floppy disk.Plug and playconfiguration errorThe computer encountered a problem while trying to configure one or more cards.Read fault The operating system cannot read from the floppy or hard drive, the computer could not find aparticular sector on the disk, or the requested sector is defective.Requested sector notfoundThe operating system cannot read from the floppy or hard drive, the computer could not find aparticular sector on the disk, or the requested sector is defective.Reset failed The disk re-set operation failed.Sector not found The operating system cannot locate a sector on the floppy or hard drive.Seek error The operating system cannot find a specific track on the floppy disk or hard drive.Shutdown failure A chip on the system board might be malfunctioning.Time-of-day clockstoppedThe battery might be dead.51