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The Board Information Block in NVRAM contains various entries
that define operating parameters of the board hardware. Use the
172Bug command CNFG to change those parameters.
Use the 172Bug command ENV to change configurable 172Bug
parameters in NVRAM.
The CNFG and ENV commands are both described in the Debugging
Package for Motorola 68K CISC CPUs User's Manual. Refer to that
manual for general information about their use and capabilities.
The following paragraphs present supplementary information on CNFG
and ENV that is specific to the 172Bug firmware, along with the
parameters that you can modify with the ENV command.
CNFG - Configure Board Information Block
Use this command to display and configure the Board Information Block
which resides within the NVRAM. The board information block contains
various elements that correspond to specific operational parameters of the
MVME172P4 board. (Note that although no memory mezzanine is present
on MVME1X2P4 series boards, the on-board memory is modeled as such
for backward compatibility.)
The board structure for the MVME172P4 is as follows:
172-Bug>
Board (PWA) Serial Number = "
Board Identifier = "
Artwork (PWA) Identifier = "
MPU Clock Speed = "
Ethernet Address = 0001AF000000
Local SCSI Identifier = "
Parity Memory Mezzanine Artwork (PWA) Identifier = "
Parity Memory Mezzanine (PWA) Serial Number = "
Static Memory Mezzanine Artwork (PWA) Identifier = "
Static Memory Mezzanine (PWA) Serial Number = "
ECC Memory Mezzanine #1 Artwork (PWA) Identifier = "
ECC Memory Mezzanine #1 (PWA) Serial Number = "
ECC Memory Mezzanine #2 Artwork (PWA) Identifier = "
ECC Memory Mezzanine #2 (PWA) Serial Number = "
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Modifying the Environment
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