52 Sun Fire V890 Server Owner’s Guide • May 2004
Qualified service technicians must physically remove a CPU/Memory board from
the system before installing or removing DIMMs. The DIMMs must be added four-
at-a-time within the same DIMM group and be identical—that is, all DIMMs must be
from the same manufacturing vendor and must have the same capacity (for
example, four 512-Mbyte DIMMs, or four 1-Gbyte DIMMs).
B1
B0
A1
A0
B1
B0
A1
A0
B1
B0
A1
A0
B1
B0
A1
A0