Compaq nx9010 Maintenance and Service Guide - Page 120

The following table lists POST messages and explanations for reported problems If the system fails after you make changes in BIOS Setup, reset the notebook, enter BIOS Setup, and install the defaults or correct the error. Table 3-5 POST Messages Message 0200 Failure Fixed Disk 0210 Stuck key 0211 Keyboard error 0212 Keyboard Controller Failed 0213 Keyboard locked- Unlock key switch 0220 Monitor type does not match CMOS-Run SETUP 0230 Shadow RAM Failed at offset: nnnn 0231 System RAM Failed at offset: nnnn 0232 Extended RAM Failed at offset: nnnn 0250 System battery is dead-Replace and run SETUP 0251 System CMOS checksum bad-Default configuration used 0260 System timer error 0270 Real time clock error 0271 Check date and time settings 0280 Previous boot incomplete-Default configuration used 0281 Memory Size found by POST differed from CMOS 02B0 Diskette drive A error 02B2 Incorrect Drive A type-run SETUP Description Fixed (hard) disk is not working or not configured properly Make sure the hard disk is installed properly Run BIOS Setup and make sure the hard disk type is correctly identified Stuck key on keyboard Keyboard is not working Keyboard controller failed the test Might require replacing the motherboard (contains the keyboard controller) Unlock the system to proceed Monitor type is not correctly identified in BIOS Setup Shadow RAM failed at offset nnnn of the 64k block at which the error was detected System RAM failed at offset nnnn of the 64k block at which the error was detected Extended memory is not working or not configured properly at offset nnnn Update to the latest BIOS version CMOS clock battery indicator shows that the CMOS battery is dead Connect the AC adapter for at least 24 hours, and then run BIOS Setup to reconfigure the system System CMOS has been corrupted or modified incorrectly, perhaps by an application that changes CMOS data In response, the BIOS has installed the default Setup values Use BIOS Setup to modify these values if needed If the error persists, check the system battery Connect the AC adapter for at least 24 hours; replace the motherboard Timer test failed Replace the motherboard Real-time clock failed the BIOS test Might require replacing the motherboard BIOS found the date or time to be out of range, and then reset the real-time clock You might need to use BIOS Setup to reset the legal date Previous POST did not complete successfully POST loads default values and offers to run BIOS Setup If the failure was caused by incorrect values that are not corrected, the next boot will likely fail This error is cleared the next time the system is booted Memory size found by POST differed from that specified in CMOS Drive A: is present but fails the BIOS POST diskette tests Make sure the drive is defined with the proper diskette type in BIOS Setup, and that the drive is connected correctly Type of floppy drive A: not correctly identified in BIOS Setup 3-28 Troubleshooting and Diagnostics Service Manual