Dell XPS 400 9150 XPS 400/Dimension 9150 Service Manual - Page 23

Advanced Troubleshooting: Dell XPS 400 Service Manual 3-4-2 Screen retrace failure 3-4-3 Search for video ROM failure 4-2-1 No time tick 4-2-2 Shutdown failure 4-2-3 Gate A20 failure 4-2-4 Unexpected interrupt in protected mode 4-3-3 Timer-chip counter 2 failure 4-3-4 Time-of-day clock stopped 4-4-1 Serial or parallel port test failure 4-4-4 Cache test failure Message Possible Cause Corrective Action 8042 GateA20 error The keyboard controller failed its test. If you receive this message after you make changes in the system setup program, enter the system setup program and restore the original value(s). Address Line Short! An error in the address decoding circuitry in the memory has occurred. C: Drive Error C: Drive Failure The hard drive is not working or is not configured correctly. Reseat the memory modules. Ensure that the drive is installed correctly in the computer and defined correctly in the system setup program. Cache Memory Bad, Do Not Enable Cache The cache memory is not operating. See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance. CH-2 Timer Error An error is occurring on the timer on the system board. CMOS Battery State Low CMOS Checksum Failure CMOS System Options Not Set The system configuration information in the system setup program is incorrect or the battery charge may be low. See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance. Enter the system setup program, verify the system configuration, and then restart the computer. CMOS Display Type Mismatch CMOS Memory Size Mismatch CMOS Time and Date Not Set Diskette Boot Failure Drive A or B is present but has failed the BIOS POST. DMA Error Error in the DMA controller on DMA 1 Error the system board. Ensure that the drive is installed correctly in the computer and defined correctly in the system setup program. Check the interface cable at both ends. The keyboard or system board may need to be replaced. DMA 2 Error FDD Controller The BIOS cannot Ensure that the floppy drive or the hard drive is file:///T|/htdocs/systems/xps400/sm/adtshoot.htm[8/3/2012 3:11:19 PM]