HP3000-L Archives

February 1997, Week 1

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Joe Silagi <[log in to unmask]>
Reply To:
Joe Silagi <[log in to unmask]>
Date:
Mon, 3 Feb 1997 20:14:13 GMT
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Ron Tilby <[log in to unmask]> wrote:

..

>
>Conclusion:
>SETVAR HPTYPEAHEAD TRUE has an adverse impact on running
>NMMGR from an R1 for Windows 95 version 5.20 client.
>The setting of Typeahead inside Reflection doesn't seem to matter in this
>case.
>

Ron,

About Reflection 1 typeahead from the online help ...

With an HP 3000 in character mode and remote mode, you must wait for a host
prompt
before entering new data. After the host has processed your input, it transmits
a
prompt to Reflection as a signal to start sending more data. The host ignores
any
characters it has received before sending its prompt. By selecting the
Typeahead
check box, you can type continuously without waiting for the host prompt;
Reflection stores your keystrokes in a buffer until the host prompt arrives.
When
it does, Reflection sends the next line of keyboard input from its buffer. The
keyboard never locks when typeahead is enabled, so if you know what you must
type
next, you can go ahead and type it.

As for HPTYPEAHEAD, I think this is a timing issue that is commonly resolved
by setting HPTYPEAHEAD to FALSE. The error message "terminal status request
failed" is most commonly seen when making a NSVT connection.  However, serial
and modem connections can see this error.

If the problem is occuring for VPLUS applications you can also get around the
problem by configuring the VENVCNTL.PUB.SYS file as follows.

Build a fixed ascii file VENVCNTL.PUB.SYS which has one record consisting of
000001  (five zero's and a one).  This extends the status read length by one
byte
and allows reads of Terminal Status Requests regardless of the setting for
HPTYPEAHEAD. More information on VENVCNTL is available in the HP documentation,
sorry I don't remember what manual it's in.


Regards,

Joe Silagi, WRQ/Reflection Technical Support

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