RE: Serial Port busy.

[Alan Nichols <Alan.Nichols@Ebay>]

I have an Ultra 30, and my serial port speed setting in PilotManager
is 115200.  This works just fine with my PalmPilot Pro.

Alan

> From: Christian Rudolph - WorkGroup Layered Software <Christian.Rudolph@East>
> Subject: RE: Serial Port busy.
> To: pilotmgr@xxxxxxxxxxxxxxxxxxxxxxx, bmedirat@xxxxxxxxxxxxxx
> MIME-Version: 1.0
> Content-MD5: sCacMBDOWomV7PFqpdKeZA==
> 
> I have an Ultra1, and I have found the same situation.
> I am unable to get any reliable results with a port
> speed faster than 38400.  I have talked to engineers
> here in the Systems QA lab who test this, and they
> pretty much agree with what Bharat says.  Basically,
> Sun has not really made any effort to make sure that
> high port speed rates can be achieved higher than
> 38400. This is what I am told.  I don't know whether
> this is true or not, but it explains things.
> 
> -Chris
> 
> 
> 
> 
>  :From: "Bharat Mediratta" <bmedirat@xxxxxxxxxxxxxx>
>  :To: pilotmgr@xxxxxxxxxxxxxxxxxxxxxxx
>  :Subject: RE: Serial Port busy.
>  :MIME-Version: 1.0
>  :
>  :
>  :
>  :Once upon a time, a kindly hardware engineer explained this
>  :to me.  Because of the clock rates, what Sun boxes (up to an
>  :Ultra 2 at the time -- I don't know if it applies to boxes
>  :later than that) represent as 57600 is actually something in
>  :the ~52000 range.  This is because of a difference in clock
>  :rates.  Feel free to correct me if I'm wrong here.  So two
>  :Suns can talk to each other at "57600" and above, but you
>  :can't talk to another component that is actually talking at
>  :57600.  The best rate I was ever able to use was 38400.
>  :
>  :-Bharat
>  :
>  :
>  :> -----Original Message-----
>  :> From: Rama Roberts [mailto:Rama.Roberts@xxxxxxxxxxx]
>  :> Sent: Friday, March 19, 1999 11:27 AM
>  :> To: Gilbert.Dunn@xxxxxxxxxxx
>  :> Cc: pilotmgr@xxxxxxxxxxxxxxxxxxxxxxx
>  :> Subject: Re: Serial Port busy.
>  :> 
>  :> 
>  :> I don't know the answer to your busy serial port, but I've 
>  :> been using 38400 with 
>  :> my sparc ultra 2. PCs can go much faster, older sparcs might 
>  :> need to go slower, 
>  :> depending on the model. Old sparc serial ports were real slow 
>  :> from what I've 
>  :> heard.
>  :> You can just keep bumping up the speed until it no longer 
>  :> makes the connection. 
>  :> That's how I determined my max speed.
>  :> 
>  :> --rr
>  :> 
>  :> > Date: Fri, 19 Mar 1999 10:58:16 -0800 (PST)
>  :> > From: Gilbert Dunn <Gilbert.Dunn@xxxxxxxxxxx>
>  :> > Subject: Serial Port busy.
>  :> > To: pilotmgr@xxxxxxxxxxxxxxxxxxxxxxx
>  :> > MIME-Version: 1.0
>  :> > Content-MD5: quwcUZDijuTvQAwH+B2xQw==
>  :> > 
>  :> > Hi,
>  :> > 
>  :> > I had my Palm III pilot configued to /dev/ttyb 9600. 
>  :> Everthing was working 
>  :> fine 
>  :> > until my co-worker wanted to see if he can Sync his PalmV. 
>  :> After it failed, I 
>  :> > plugged my Palm III back to /dev/ttyb. Now, I cannot sync 
>  :> and I'm getting 
>  :> these 
>  :> > messages. I've already rebooted my system and its still 
>  :> telling me the port is 
>  :> > in use. By the way, if I get this working again, what the 
>  :> fast setting could I 
>  :> > set for the serial port?
>  :> > 
>  :> > Thanks,
>  :> > 
>  :> > Gilbert
>  :> > 
>  :> > 
>  :> > Palm III error message
>  :> > ----------------------
>  :> > [HotSyncPorblem]
>  :> > Unable to initiate HotSync because the serial port is in 
>  :> use by another 
>  :> > application.
>  :> > 
>  :> > PilotManager,v1.106+ error message
>  :> > ----------------------------------
>  :> > Unable to connect to the Pilot.  Sync aborted.
>  :> > 
>  :> > 
>  :> > 
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>  :> 
>  :> 
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