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144 Appendix B: BIOS reference
BIOS Message
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 -
Previous boot or 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
02B1 Diskette drive B error
* If your unit displays one of these messages, write down the message and contact Matrox.
Explanation
This message indicates that you must unlock your computer to proceed.
This message indicates that the monitor detected by the BIOS is not correctly identified in Setup. You
must change the monitor settings in the Setup program.
This message indicates that shadow RAM failed at offset nnnn of the 64K block.
This message indicates that system RAM failed at offset nnnn of the 64K block.
This message indicates that extended memory is not working or is not configured properly at offset
nnnn.
This message indicates that the CMOS clock battery is dead.
Replace the battery and run Setup to reconfigure the unit.
This message appears in one of the following cases:
• When booting your unit after the BIOS has been updated.
In this case, this message indicates that the BIOS has loaded the default configuration settings
into CMOS, because when the BIOS was updated, all CMOS memory data was cleared. If the
default values are not suitable for your application, enter Setup to change the settings.
• When the CMOS has been corrupted or modified incorrectly, perhaps by an application program
that changes data stored in CMOS.
In this case, this message indicates that the BIOS has tried to restore the Setup configuration
settings used during the previous BIOS boot. If these settings were corrupted, the BIOS has
loaded the default Setup configuration values.
If the error persists, check the unit's battery (see Chapter 1: Before you begin for its location) or
contact Matrox.
This message indicates that the timer test failed. This requires repair of the motherboard.
This message indicates that the real-time clock failed the BIOS hardware test. Board repair might be
necessary.
This message indicates that the BIOS has found the date or time out of range and has reset the
real-time clock. You will have to set the date again.
This message indicates that the two previous POSTs did not complete successfully, therefore the
default BIOS configuration settings are loaded. You can enter Setup to reconfigure the BIOS settings. If
the failure was caused by incorrect values and they are not corrected, the next boot is likely to fail.
This message indicates that the memory size found by POST differs from the memory setting stored
in the CMOS.
This message indicates that diskette drive a: or b: is present but failed the POST diskette tests.
Check to see that the drive is defined with the proper diskette type in Setup and that it is connected
properly.
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