Specifications
3-34  Compaq ProLiant ML350 Maintenance and Service Guide 
Table 3-2 
POST Error Messages 
continued 
Error Code  Audible Beeps  Probable Source 
of Problem 
Action 
1787-Drive Array 
Operating in Interim 
Recovery Mode. 
Physical drive 
replacement needed: 
Drive X 
None Hard drive X failed 
or cable is loose or 
defective. 
Following a system 
restart, this 
message reminds 
you that drive X is 
defective and fault 
tolerance is being 
used. 
1.  Check for loose cables. 
2.  Replace defective cables. 
3. Replace drive X as soon as 
possible. 
*** 1788-Slot X Drive 
Array Reports 
Incorrect Drive 
Replacement. The 
following SCSI drive(s) 
should have been 
replaced: SCSI Port Y: 
SCSI ID Z 
The following SCSI 
drive(s) were 
incorrectly replaced: 
SCSI Port y: SCSI ID z. 
Select F1 to continue 
– drive array will 
remain disabled. 
Select F2 to reset 
configuration – all 
data will be lost. 
None  Drives are not 
installed in their 
original positions, 
so the drives have 
been disabled. See 
note below. 
1.  Reinstall the drives correctly, as 
indicated. 
2. Press F1 to restart the computer 
with the drive array disabled. 
-Or- 
Press F2 to use the drives as 
configured and lose all the data on 
them. 
*** The 1788 error message might also be displayed inadvertently due to a bad power cable connection to the 
drive, noise on the data cable, or a defective SCSI cable. If this message was due to a bad power cable 
connection, but not incorrect drive replacement, repair the connection and press F2. If the message is not 
eliminated by pressing F2, run Array Diagnostic Utility (ADU) to resolve. 
-Or- 
If this message was not due to a bad power cable connection, and no drive replacement took place, this could 
indicate noise on the data cable. Check cable for proper routing. 
-Or- 
If this message is due to a defective SCSI cable, replace the cable. 
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