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MOTLoad Firmware
MVME3100 Single Board Computer Installation and Use (6806800M28C)
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3.6 Remote Start
As described in the MOTLoad Firmware Package User's Manual, listed in Appendix B, Related
Documentation, remote start allows the user to obtain information about the target board,
download code and/or data, modify memory on the target, and execute a downloaded
program. These transactions occur across the VMEbus in the case of the MVME3100. MOTLoad
uses one of four mailboxes in the Tsi148 VME controller as the inter-board communication
address (IBCA) between the host and the target.
CR/CSR slave addresses configured by MOTLoad are assigned according to the installation slot
in the backplane, as indicated by the VME64 Specification. For reference, the following values
are provided:
For further details on CR/CSR space, please refer to the VME64 Specification, listed in Appendix
B, Related Documentation.
The MVME3100 uses a Discovery II for its VME bridge. The offsets of the mailboxes in the
Discovery II are defined in the Discovery II User Manual, listed in Appendix B, Related
Documentation, but are noted here for reference:
Slot Position CS/CSR Starting Address
1 0x0008.0000
2 0x0010.0000
3 0x0018.0000
4 0x0020.0000
5 0x0028.0000
6 0x0030.0000
7 0x0038.0000
8 0x0040.0000
9 0x0048.0000
A 0x0050.0000
B 0x0058.0000
C 0x0060.0000