Check Procedures     41
1780
IDE Primary Channel Master Drive Error
1781
IDE Primary Channel Slave Drive Error
1782
IDE Secondary Channel Master Drive 
Error
1783
IDE Secondary Channel Slave Drive Error
Enter BIOS Setup and load the default 
settings.
Check IDE drive jumper. See “3.5-In. Hard 
Disk Drive Jumper Settings” on page 161. 
IDE hard disk drive power. 
IDE hard disk drive cable/connection.
IDE hard disk drive.
1780
IDE Primary Channel Master Drive 
Changed
1781
IDE Primary Channel Slave Drive 
Changed
1782
IDE Secondary Channel Master Drive 
Changed
1783
IDE Secondary Channel Slave Drive 
Changed
Enter BIOS Setup and load the default 
settings.
IDE hard disk drive cable/connection.
1800
IRQ Setting Error
1801
Expansion ROM Allocation Failed
1802
I/O Resource Conflict(s)
1803 
Memory Resource Conflict(s)
Load default settings in Setup.
Enter BIOS Setup and set the Reset 
Resource Assignments parameter to Yes, 
then reboot the system. “PnP/PCI 
Options” on page 25.
Remove all adapter cards that are NOT 
factory-installed, then reboot the system
Table 2-1 POST Error Codes and Messages List
NOTE: 
To diagnose a problem, first find the BIOS error messages or codes 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 Codes, Messages Action/FRU