NEC PowerMate SPB-Boston User Manual page 183

Message Operating System not found.
Cause The operating system cannot be found in either
Drive A or Drive C.
Solution Run the Setup program and make sure the
fixed disk and drive A are properly identified.
Message Press <F1> to resume, <F2> to enter SETUP.
Cause Displayed after any recoverable error
message.
Solution Press <F1> to start the boot process, or <F2>
to enter the Setup Utility program and change
any settings.
Message Parity Check 1.
Cause Parity error found in the system bus. BIOS
attempts to locate the address and display it
on the screen. If it cannot locate the address, it
displays ????.
Message Parity Check 2.
Cause Parity error found in the I/O bus. BIOS
attempts to locate the address and display it
on the screen. If it cannot locate the address, it
displays ????.
Message Real time clock error.
Cause The real time clock failed BIOS test.
Solution This malfunction may require board repair.
Message
Shadow RAM failed at offset: nnnn .
Cause
Shadow RAM failed at offset: nnnn of the 64K
block at which the error was detected.
System Board, Connectors, and Error Messages C-9