D-12 System Board, Connectors, and Error Messages
ISA NMI Messages
Message
Memory Parity Error at
nnnnn.
Cause
Memory failed. If the memory location can
be determined, it is displayed as
nnnnn. If
not, the message is
Memory Parity Error
????.
Message
I/O Card Parity Error at
nnnnn.
Cause
An expansion card failed. If the address can
be determined, it is displayed as
nnnnn. If
not, the message is
I/O Card Parity Error
????.
Message
DMA Bus Time-out.
Cause
A device has driven the bus signal for more
than 7.8 microseconds.