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5-14
Problem Solving
POST Error Codes and Messages
Whenever a recoverable error occurs during POST, BIOS displays a message on the
video display screen and causes the speaker to beep as the message appears. BIOS also
issues a beep code (one long tone followed by two short tones) during POST if the
video configuration fails or if an external ROM module does not a checksum of zero.
The “POST Error Codes and Messages” table is a list of the possible error codes and
messages written at the start of each POST test. The “POST Error Beep Codes” table is
a list of beep codes issued for each POST test. Figure 5-1 shows the location of specific
components referenced in the POST Error Codes and Messages Table.
Table 5-1. POST Error Codes and Messages
Code
Error 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
System RAM Failed at offset
0231
Shadow RAM Failed at offset
0232
Extended RAM Failed at address line
0233
Memory type mixing detected
0234
Single-bit ECC error
0235
Multiple-bit ECC error occurred
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
02B0
Diskette drive A error
02B2
Incorrect Drive A type - run SETUP
02D0
System cache error - Cache disabled
0B1B
PCI System Error on Bus/Device/Function
0B1C
PCI Parity Error on Bus/Device/Function
0B30
Chassis Fan 1 Alarm occurred
0B31
Chassis Fan 2 Alarm occurred
Содержание EXPRESS5800/120Ed
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