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echo: locsysop
to: Paul Edwards
from: David Drummond
date: 1996-02-19 06:56:18
subject: USR Courier

Paul, at 23:28 on Feb 18 1996, you wrote to David Drummond ...

PE>>> The modem was never locked at 57600, it merely happened to 
PE>>> be the speed the com port was set at at the last &W.  

DD>>> That is how you lock the speed into the Courier . . . .

PE>> No it isn't.  You lock the speed by setting your comms 
PE>> software to a particular speed, whilst making sure that 
PE>> Courier has &B1 in it (not necessarily in NVRAM either).  
PE>> Try it on an outgoing call and you'll find it works a 
PE>> treat.  You can do it on an ingoing call too, just make 
PE>> sure you have done at ATS0=0 or some other harmless 
PE>> command.

DD>> For Christ's sake! check page C-6 in the manual.  Read the 
DD>> description of ATI5 - it displays the NVRAM settings.  One 
DD>> of these is the speed that the modem will use to 
DD>> communicate incomming calls to the computer.  It is set 
DD>> with AT&W.

PE> In the absence of autobauding, that is the default speed 
PE> used. Like I said, do the test above, and you will find that 
PE> that speed is NOT used.  Try it yourself, on an outgoing 
PE> call.  Unless you're going to say that THAT is the bug in 
PE> the USR, that it doesn't always communicate at the speed 
PE> stored in NVRAM?  Come on, answer this straight question.

The ATZ in the INIT string will reset ALL memory settings to those stored in NVRAM.

PE>> Oh, and then explain why the way the USR is doing it makes 
PE>> any sense whatsoever, and how it could possibly be better 
PE>> than the way Rockwell do it.  ie, the USR is fucked by 
PE>> design.

DD>> Different = fucked?

PE> No "implemented in a manner of no use to anyone" = fucked.

Works EXACTLY as documented.

David
@EOT:

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