NEC Express5800/320Ma Administrator's Manual page 114

Online Diagnostic Test Codes
E842
Verify that data can be sent between the SATA controller and the SATA disk.
E860
Perform error checking on the USB controller
E861
Perform an internal diagnostics test on the USB controller
E862
Perform an interrupt test on the USB controller
E900
Test the fault tolerant switch- to-PXH interface.
E901
Test the PXH PCI-X interface
E902
Perform error checking on the PXH HPC controller.
E910
Test the PCI-X-to-PCI bridge interface.
E920
Test the PXH hot-plug controller.
E921
Test the PXH hot-plug controller interrupt.
E922
Test the PXH hot-plug controller slot power.
EB02
Initiate the secondary I/O diagnostic test.
EB03
Finish secondary I/O diagnostic test.
B-14 Express5800/320Ma: System Administrator's Guide