C-4 Compaq AlphaServer ES40 Service Guide
Table C–1 DPR Address Layout (Continued)
Location Logical Written
(Hex) Indicator By Used For
81 81 SROM Array 0 (AAR 0)Size (x64 Mbytes)
0 = no good memory
1 = 64 Mbyte
2 = 128 Mbyte
4 = 256 Mbyte
8 = 512 Mbyte
10 = 1 Gbyte
20 = 2 Gbyte
40 = 4 Gbyte
80 = 8 Gbyte
82 82 SROM Array 1 (AAR 1) Configuration
83 83 SROM Array 1 (AAR 1) Size (x64 Mbytes)
84 84 SROM Array 2 (AAR 2) Configuration
85 85 SROM Array 2 (AAR 2) Size (x64 Mbytes)
86 86 SROM Array 3 (AAR 3) Configuration
87 87 SROM Array 3 (AAR 3) Size (x64 Mbytes)
88:8B SROM Byte to define failed DIMMs for MMBs
88 - MMB 0
89 - MMB 1
8A - MMB 2
8B - MMB 3
Bit set indicates failure.
Bit definitions ( bit 0 = DIMM 1, bit 1 = DIMM2,
bit 2 = DIMM 3, bit 7 = DIMM 8)
8C:8F 8C-8F SROM Byte to define misconfigured DIMMs for MMBs
8C – MMB 0
8D – MMB 1
8E – MMB 2
8F – MMB 3
Bit definitions ( bit 0 = DIMM 1, bit 1 = DIMM2,
bit 2 = DIMM 3, bit 7 = DIMM 8)
90 90 RMC Power Supply/VTERM present
91 91 RMC Power Supply PS_POK bits
92 92 RMC AC input value from Power Supply
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