Specifications
3-30  Compaq ProLiant ML350 Maintenance and Service Guide 
Table 3-2 
POST Error Messages 
continued 
Error Code  Audible Beeps  Probable Source of 
Problem 
Action 
1778-Drive Array 
resuming 
Automatic Data 
Recovery process 
None This message 
displays whenever a 
controller reset or 
power cycle occurs 
while Automatic Data 
Recovery is in 
progress. 
No action necessary. 
1779-Slot X Drive 
Array – 
Replacement 
drive(s) detected 
OR previously 
failed drive(s) now 
operational: 
Port Y: SCSI ID Z: 
Restore data from 
backup if 
replacement 
drive X has been 
installed. 
None Intermittent drive 
failure and/or possible 
loss of data detected. 
If this message displays and drive X has 
not been replaced, this indicates an 
intermittent drive failure. This message 
also displays immediately following drive 
replacement whenever data must be 
restored from backup. 
1780-Disk 0 
Failure 
None Hard drive/format 
error detected. 
Run Diagnostics. Replace failed 
assembly as indicated. 
1781-Disk 1 
Failure 
None Hard drive/format 
error detected. 
Run Diagnostics. Replace failed 
assembly as indicated. 
continued 










