i posted earlier about having a problem downloading the sr1off97.exe file
(microsoft office 97 service release 1) under redhat linux 5.2 using ppp and a
zoom 2919L modem. that problem has been partially (mostly) resolved.
here are some fragments of wisdom or information encountered while i was
debugging this situation.
+ i'm using a hideous init string for this modem (zoom 2919L) of:
AT&FE0&C1&D2&K3V1S0=0\\V1S7=60S30=0L0\\N3%C1B0B15N1X4
it's ugly, but it seems to work. this is pretty close to what win95 sends the
modem, according to one respondent. the double back slashes are for the benefit
of the script file; use single back slashes when testing with minicom.
+ zoom 2919L may have flaky behavior with linux in general (because they don't
test under a freely available operating system). if you have a zoom modem and
use linux, please send the folks at www.zoomtel.com a message stating that you'd
really appreciate if they wouldn't claim their modems work under linux when they
don't actually test them under linux. or stating that you'd really like it if
they'd set up a linux box and test their modems on it...
+ there may be some strange MTU factors due to IP masquerade. this is
supposedly because the transmission MTU has to be the same for all the routes,
and the ethernet MTU is 1500. i am now using the default of 1500 and things are
doing well; with smaller MTU's, i start being unable to see certain sites (like
www.tvguide.com's tv listings).
+ the latest modem firmware upgrade for the 2919L allowed me to download the
sr1off97.exe file finally. this file is available at:
http://premium.officeupdate.microsoft.com/officeupdate/DistribDownload/sr1off97ddl.htm
this file was the initial reason for my posting; i needed to download it and
couldn't get the download to even start. bigger files worked, smaller files
worked, but this file didn't.
after it started working, two of the times i tried, the download was really
slow all through the first 3-4 K of the file. after that part, the speed picked
up to normal download rates. but another time, the file was speedily downloaded
even in that first portion. this might be due to varying quality connections to
my ISP.
so, it really seems like some weird behavior inside my modem has been fixed,
but what still puzzles me is why win95 was able to download the file with no
problem, even with the older firmware. perhaps there are enough differences in
how the modem is used under linux and 95 for those differences to matter.
thanks to the people who contributed suggestions about this.
-chris
--
______ chosen by the Nechung Oracle Program (http://www.twain.com/)... ______
The function of genius is not to give new answers,
but to pose new questions--which time and mediocrity can solve.
-- Hugh Trevor-Roper, "Men and Events"
_____________ not necessarily my opinions, not necessarily not. _____________
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