DEC 4000 AXP Service Manual page 71

Multi-chip (0=no, 1=yes)—indicates that a group of entries are the result of a
single error.
Event type:
11—DRAM hard-failure
01—Correctable read data (CRD) error
10—Uncorrectable error
00—Other (non-DRAM error)
Running System Diagnostics 3–9