Specifications

MDR User Guide 83
Example boot parameter files may be found in <path>/mdr-server/etc/vxbp*.txt:
•
vxbp-min.txt is the minimum necessary to operate with SM Network as external
network provided by a separate SBC (used in MDR-x20 units).
•
vxbp-netif.txt is an example of boot parameters for a MIDAS serving as the
network gateway. This may also be used for an MDR-250 unit with an Ethernet
PMC.
You may modify these files to suit your system. The format of the string (which must be
contained in a single line) is:
interface(unit,procnum)hostname:filepath keyword=value [...]
where
interface is the name of the interface to use, unit is generally 0, procnum is the
processor number.
The MDR is a standalone system, it doesn’t need any external host to load a file from.
Therefore, the user doesn’t have to use the
hostname and filepath fields.
The
keyword is a 1- or 2-letter symbol shown in the bootChange examples above and
the value is whatever is appropriate for your system.
vxbp-nonet.txt is used when no external network is required. vxbp-nonet.txt may
also be used as a starting point to get the MDR unit up so that the bootChange command
can be used.
To install
vxbp-nonet.txt, use the following procedure.
1) Enter the Midas Monitor and delete
vxbp.txt:
# midel vxbp.txt
2) On the Host computer, go to <path>/mdr/etc, and type 'dir' to get the size of
file
vxbp-nonet.txt.
3) Type the following at the Midas Monitor prompt:
# mgf vxbp.txt <size>
Note that, after mgf, you specify vxbp.txt and not vxbp-nonet.txt. This is because
vxbp.txt is the name of the target file on the board, while vxbp-nonet.txt is the file
you are copying from.
4) Within HyperTerminal, click on Transfer->Send, set Protocol=Xmodem and Browse
your computer to fetch file
<path>/mdr/etc/vxbp-nonet.txt.
Then click on Send.
5) When the transfer is done, type
quit to reboot the board.
When the board is done rebooting, type
mdrshell.
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