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echo: locsysop
to: Paul Edwards
from: David Drummond
date: 1996-02-01 06:57:02
subject: USR Courier

Paul, at 08:27 on Jan 31 1996, you wrote to David Drummond ...

DD>> Read the fine manual.  Page 4-22 says that the modem stores 
DD>> the com port rate in NVRAM along with the settings.  When 
DD>> an /ARQ connect is made the modem searches the NVRAM for 
DD>> the specified serial port rate to switch to.

PE> That relates to after a connect.

DD>> I know this relates to &B2 but it is the only place I can 
DD>> find the speed of the locked port mentioned (I am sure that 
DD>> I have read it somewhere else though).

PE> And B2 isn't even a default, although I guess that isn't the
PE> point you are making.

DD>> If you want your port & modem to lock at 38,400 you must 
DD>> send an AT command at 38,400 followed by an &W to write 
DD>> that speed to NVRAM.

PE> You just made that up.  The manual does not say what 
PE> happens. In fact, if you type ATZ at 38400, it WILL auto baud 
PE> rate detect, and send the answer, "OK" back to the computer.  
PE> It decides to send "RING" to the computer at a rate other 
PE> than 38400 though.  Fucked, either by design or by a bug.

Upon an incoming call the modem sets the com port to the speed stored in
NVRAM.  That is how the USR modem works.  The book says to ensure you have
your software set to the same speed.  It does NOT set the port to the speed
of the last issued AT command.

Why is this so hard for you to understand?

DD>> If you and the owner of that USR are convinced that it is 
DD>> fucked, then I would like to offer him $50 for it.  

PE> That's funny, that's exactly what I reckon they're worth 
PE> too, considering it is worse than my Spirit II.

I have never been able to maintain a 33,600 connect with your Spirit . . .

DD>> USR Couriers work perfectly well at my 
DD>> place, especially when I dial my host who uses someother 
DD>> brand modem.

PE> No they don't.  

It fuckingwell does!  I ALWAYS get a 28,800 connect with my host.  Have
done ever since he upgarded to V.34  When he had V.FC only, 9 out of ten
connects were 28,800 with the remainder 26,400

PE> Not when Rod called you.  

Rod's modem is running on fencing wire.  He made a number of calls here. 
SOme manages to download the file, others dropped carrier when his fucked
modem wouldn't perform the retrains.

PE> Got a tech report from USR about that yet?  

Tech reports are academic claptrap.  This modem works.  It is proved by my connects.

David
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