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ms400.doc
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1989-01-29
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65 lines
This is information for users of the MS-400 four port serial card but
also applies any board where the serial ports share interrupts.
First install BB normally. If you encounter excessive overrun errors
(more than 1 evey 15 minutes or so), modify your PARMS.BB to use
the INTERLOCK_COM parameter.
Example: Suppose COM3, 4, and 5 are shared. Your PARMS.BB would look
like:
PORT
...
COM = 3
...
ENDPORT
PORT
...
COM = 4
INTERLOCK_COM = 3
...
ENDPORT
PORT
...
COM = 5
INTERLOCK_COM = 3
...
ENDPORT
Each use of INTERLOCK_COM slows down the operation of the BBS so use
sparingly. If you have 3 ports shared, try just interlocking two and
leaving the other free. If you have 4 ports, interlock 2 and 2.
Four Port Example: COM3,4,5,6 are an MS-400 card
PORT
...
COM = 3
...
ENDPORT
PORT
...
COM = 4
INTERLOCK_COM = 3
...
ENDPORT
PORT
...
COM = 5
...
ENDPORT
PORT
...
COM = 6
INTERLOCK_COM = 5
...
ENDPORT