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The memory of an SSP can be tested within CFIMENU using the MEMTST command. See HELP MEMTST for details.


The following memory limits (in hex) of an SSP are useful to know when using MEMTST, for example.

PROGRAM MEMORY (PM) <ul> <li> CSR space 40000000 - 40000FFF </ul>

DATA MEMORY (DM) <ul> <li> Data space 0 - 1FFFC small memory <li> 0 - 7FFFC large memory or <li> CSR space 80000000-8007FFFC large memory </ul>


In CFIMENU the SSPs can only be loaded with a default program that allows communication between the SSPs on a cable segment. This is done with the TREE command (see help TREE). Loading the SSPs with any other program is done using either SNOOPY or SSPAR programs. (SNOOPY and SSPAR are symbols set up to run FBSN:SNOOPY_U or BNL$SSP:SSPAR_U respectively).


Broadcasts to remote crates (via an SSP cable segment) as far as possible simulate broadcasts using real Segment Interfaces (SIs). See the FASTBUS specifications sect. 4.3 for details. In this implementation, the upper three bytes of the primary address (the segment identifier) are decoded as normal using the BSI routing (see HELP ROUTING). The lowest byte, is decoded according to section 4.3 of the FASTBUS specs. Note that bit 0 is the local bit. If set, the broadcast will take place on the local segment. Bit 1 is the global bit; if set, the broadcast will take place on the remote segment.

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