Motorola MVME167P, Инструкция по установке и эксплуатации

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ENV - Set Environment
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Memory Search Delay Address FFFF D20F Default address is $FFFF D20F. This is the
MVME167P GCSR GPCSR0 as accessed
through VMEbus A16 space; it assumes the
MVME167P GRPAD (group address) and
BDAD (board address within group)
switches are set to "on". This byte-wide value
is initialized to $FF by MVME167P
hardware after a System or Power-On reset.
In a multi-167P environment, where the
work pages of several Bugs reside in the
memory of the primary (first) MVME167P,
the non-primary CPUs will wait for the data
at the Memory Search Delay Address to be
set to $00, $01, or $02 (refer to the
Memory
Requirements section in Chapter 3 for the
definition of these values) before attempting
to locate their work page in the memory of
the primary CPU.
Memory Size Enable [Y/N] Y Memory is sized for Self-Test diagnostics.
Memory Size Starting Address 0000 0000 Default Starting Address is $0.
Memory Size Ending Address 0010 0000 Default Ending Address is the calculated size
of local memory.
Memory Configuration Defaults.
The default configuration for Dynamic RAM mezzanine boards will position the mezzanine with
the largest memory size to start at the address selected with the ENV parameter "Base Address of
Dynamic Memory". The Base Address parameter defaults to 0. The smaller sized mezzanine will
follow immediately above the larger in the memory map. If mezzanines of the same size and type
are present, the first (closest to the board) is mapped to the selected base address. If mezzanines of
the same size but different type (parity and ECC) are present, the parity type will be mapped to the
selected base address and the ECC type mezzanine will follow. The SRAM does not default to a
location in the memory map that is contiguous with Dynamic RAM.
Base Address of Local Memory 0000 0000 Beginning address of Local Memory (ECC
type memory on the MVME167P). Must be a
multiple of the Local Memory board size,
starting with 0. Default is $0.
Table 4-1. MVME167P Configuration Settings (continued)
ENV Parameter and Options Default Meaning of Default