Table 2-2  BIOS Error Beeps List
NOTE: To diagnose a problem, first find the BIOS error beeps in left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause.
| BIOS Error Beeps | Action/FRU | 
| 
 | 
 | 
| Enter BIOS Setup and load | |
| Screen Retrace Tests In- | the default settings. | 
| Progress or Error | System board. | 
| 
 | 
 | 
| Enter BIOS Setup and load | |
| Timer Tick Interrupt Test | the default settings. | 
| Error | System board. | 
| 
 | 
 | 
| Enter BIOS Setup and load | |
| Interval Timer Channel 2 | the default settings. | 
| Test Error | System board. | 
| 
 | 
 | 
| Enter BIOS Setup and load | |
| the default settings. | |
| Error | System board. | 
| 
 | 
 | 
| Enter BIOS Setup and load | |
| Comparing CMOs Memory | the default settings. | 
| Size Against Actual | System board. | 
| 
 | 
 | 
| Insert the memory modules | |
| Memory Size Mismatch | in the DIMM sockets | 
| Occurred. | properly, then reboot the | 
| 
 | system. | 
| 
 | Memory module. See the | 
| 
 | “Step 005” of “Memory” on | 
| 
 | page 64 to replace memory | 
| 
 | module. | 
| 
 | System board | 
| 
 | 
 | 
Check Procedures 47
