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A-8
Parse Trees
Figure A-1 KA7AA Machine Check Parse Tree (Continued)
1 2
BIU_STAT.BIU_DSP_CMD<6:4> = Read
Read ARB drop
Inconsistent error
LBER.NSES<18>
IMERR.ARBDROP<12>
Else
LBECR.CA<37:35> = CSR Read
LBER.CA<37:35> = Read
LBER.CA<37:35> = Private
E
LBER.E<0> and LBERCR1.CID<10:7> = This_CPU
LBER.NXAE<12>
LSB command parity error
Previous system error latched
Inconsistent
LBER.E
Else
Inconsistent
NXM to LSB memory
NXM to self I/O space
NXM to LSB I/O space
BXB-0312-92
LBER.CPE<5>
Else
BIU.STAT.BIU_DSP_CMD<6:4>=Loadlock
Read ARB drop
LEVI B-cache tag parity
error (lookup)
LBER.NSES<18>
IMERR.ARBDROP<10>
IMERR.BTAGPE<5>
IMERR.BSTATPE<4>
Else
Inconsistent
LEVI B-cache status parity
error (lookup)