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<p class=MsoNormal><span style='color:#1F497D'>As Emily Litella would say: “Never
Mind”. By some amazing stroke of luck, the DVM72 manual is on HP’s
web site. A quick perusal shows that a certain bit must be set in the IO request
to indicate a binary transfer. It also shows a few different ways to do IO via
the device.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Setting this bit at least gives
me some data to the telnet session. Woot!<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> simh-bounces@trailing-edge.com
[mailto:simh-bounces@trailing-edge.com] <b>On Behalf Of </b>Ken Cornetet<br>
<b>Sent:</b> Monday, July 07, 2008 11:27 AM<br>
<b>To:</b> Simh@trailing-edge.com<br>
<b>Subject:</b> [Simh] hp2100 IPLI and IPLO devices<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I’ve been trying to use the IPLI and IPLO devices
under RTE-6 with no luck so far ( I know these devices are intended for 2000
timeshare basic, but I was hoping I could use them under RTE as well).<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>All writes to either device just complete immediately, and
reads complete immediately with no data.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>If I do the following commands<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>set console debug=stdout<o:p></o:p></p>
<p class=MsoNormal>set IPLI enable<o:p></o:p></p>
<p class=MsoNormal>set IPLI dev=53<o:p></o:p></p>
<p class=MsoNormal>set IPLO dev=54<o:p></o:p></p>
<p class=MsoNormal>set IPLI debug<o:p></o:p></p>
<p class=MsoNormal>set IPLO debug<o:p></o:p></p>
<p class=MsoNormal>attach -l IPLI 4000 <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>And attach with telnet (telnet 127.0.0.1 4000) I can see
socket activity via the debug information:<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>>>IPLI svc: Socket read = 006412, status = 2<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>But I don’t see any device IO activity debug messages<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>If I try putting the cards in DIAG mode<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>set console debug=stdout<o:p></o:p></p>
<p class=MsoNormal>set IPLI enable<o:p></o:p></p>
<p class=MsoNormal>set IPLI dev=53<o:p></o:p></p>
<p class=MsoNormal>set IPLO dev=54<o:p></o:p></p>
<p class=MsoNormal>set IPLI debug<o:p></o:p></p>
<p class=MsoNormal>set IPLO debug<o:p></o:p></p>
<p class=MsoNormal>set IPLI DIAG<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I don’t see any debug message, nor does RTE see any
data if I write to one device and try to read from the other.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I’m using RTE driver DVM72 which is the general
purpose driver for the 12566A card.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Any suggestions other than “Don’t do
that”? (Doc, it hurts when I do this…)<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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