Compaq AlphaServer ES45 Service Manual page 351

Table C–1 DPR Address Layout (Continued)
Location Logical Written
(Hex) Indicator By
16 SROM
17:1D
1E SROM
1F SROM
20:3F 20
40:5F 20
60:7F 20
80 80 SROM
Used For
SROM Power On Error Indication for CPU is
"alive." For example; 0 = no error, 2 = Secondary
time-out Error, 3 = Bcache Error
Unused
Last "sync state" reached; 80=Finished GOOD
Size of Bcache in MB
Repeat for CPU1 of CPU0
Repeat for CPU2 of CPU0
Repeat for CPU3 of CPU0
Array 0 (AAR 0) Configuration
Bits<7:4>
4 = non split - 0 = Configured -
lower set only
5 = split - 1 = Configured -
lower set only
9 = split - 2 = Configured -
upper set only
D = split -
8 DIMMs 3 = Configured -
F = Twice split -
8 DIMMs 4 = Misconfigured -
8 = Misconfigured -
C = Misconfigured -
DPR Address Layout
0-1F
0-1F
0-1F
Bits<3:0>
Lowest array
Next lowest array
Second highest
array
Highest array
Missing DIMM(s)
Illegal DIMM(s)
Incompatible
DIMM(s)
Continued on next page
C-3