NEC PowerMate SPB-Wash, User Manual

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System Board, Connectors, and Error Messages C-11
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.
Message System cache error – Cache disabled.
Cause RAM cache failed the BIOS test. BIOS disabled the
cache.
Message System RAM failed at offset: nnnn.
Cause System RAM failed at offset: nnnn of the 64K block
at which the error was detected.
Message System timer error.
Cause The timer test failed.
Beep Codes
Beep codes can signify a terminal error. If the BIOS detects a
terminal error condition, it sounds an error beep code, halts
the POST, and attempts to display a port 80h code on the
POST card’s LED display. A table of beep codes follows.