Motorola MVME2300 Series - Manual (Page 196)

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Falcon ECC Memory Controller Chip Set
3
It is important that all of the ram a/b/c/d siz0-2 bits be set to accurately
match the actual size of their corresponding blocks. This includes clearing
them to %000 if their corresponding blocks are not present. Failure to do
so will cause problems with addressing and with scrub error logging.
Table 3-12. Block_A/B/C/D Configurations
ram a/b/c/d
siz0-2
Block Size Devices Used Technology Comments
%000 0MB - - - - Block Not Present
%001 16MB
36 - 1Mx4s 4Mb
8 - 1Mx18s 16Mb
4 - 1Mx36s 4Mb/1Mb SIMM/DIMM
%010 32MB
18 - 2Mx8s 16Mb
%011 64MB
144 - 4Mx1s 4Mb
36 - 4Mx4s 16Mb
8 - 4Mx18s 64Mb
4 - 4Mx36s 16Mb/4Mb SIMM/DIMM
%100 128MB
18 - 8Mx8s 64Mb
%101 256MB
144 - 16Mx1s 16Mb
36 - 16Mx4s 64Mb
4 - 16Mx36s 64Mb/16Mb SIMM/DIMM
%110 1024MB
144 - 64Mx1s 64Mb
%111 0MB
- - - - Reserved