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A-4 361834-002 Technical Reference Guide
Error Messages and Codes
1794-Inaccessible devices
attached to SATA 1 and/or SATA 3
(for systems with 4 SATA ports)
A device is attached to SATA 1 and/or SATA 3.
Devices attached to these connectors will be inaccessible while “SATA
Emulation” is set to “Combined IDE Controller” in Computer Setup
1796-SATA Cabling Error One or more SATA devices are improperly attached. For optimal
performance, the SATA 0 and SATA 1 connectors must be used before
SATA 2 and SATA 3.
1801-Microcode Patch Error A processor is installed for which the BIOS ROM has no patch. Check
for ROM update.
1998-Master Boot Record Backup
Has Been Lost
Backup copy of the hard drive master boot record is corrupted. Use
Setup to restore the backup from the hard drive.
1999-Master Boot Record Has
Changed. Press Any Key To Enter
Setup to Restore the MBR.
If Master Boot Record Security is enabled, this message indicates that
the MBR has changed since the backup was made.
2000-Master boot Record hard
drive has changed
The hard drive has been changed. Use Setup to create a backup of the
new hard drive.
Invalid Electronic Serial Number Electronic serial number has become corrupted.
Network Server Mode Active and
No Keyboard Attached
Keyboard failure while Network Server Mode enabled.
Parity Check 2 Keyboard failure while Network Server Mode enabled.
Table A-2. (Continued)
Power-On Self Test (POST) Messages
Error Message Probable Cause