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- Path: news.gate.net!not-for-mail
- From: dhaire@gate.net (doug haire)
- Newsgroups: comp.dcom.modems
- Subject: Re: Is USR going to support 42bis+ on future courier upgrades?
- Date: 25 Mar 1996 08:57:47 -0500
- Organization: CyberGate, Inc.
- Message-ID: <4j68or$nug@navajo.gate.net>
- References: <4j2fv1$8kf@nnrp1.news.primenet.com> <4j2iun$a3t@newsbf02.news.aol.com> <4j3r1f$1tc4@seminole.gate.net> <4j468j$gg1@drencrom.insync.net>
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-
- Greg Bretting (bretting@insync.net) wrote:
- : On 24 Mar 1996 10:51:11 -0500, dhaire@gate.net (doug haire) wrote:
- :
- : >I also ran the tests using *no* modems (null modem cable connection at
- : >115200 connection rate). The MS-DOS to MS-DOS connection was completely
- : >unusable with way too many errors at the receiver. The MS-DOS to linux
- : >connection was stable and never showed an error.
- :
- : I don't think the errors you were seeing were the fault of MS-DOS... I've
- : transferred hundreds of megs of data between DOS machines using LapLink and
- : a null modem cable @115200 and have never had a problem.
-
- Apples and oranges. How many times have you used LapLink to transfer
- files from a remote (in some other physical location) computer? How about
- never? Come back to reality... Using LapLink on a null modem connection
- between two co-located computers is not using the standard DOS platform.
-
- : >When the common computer software platform is capable of handling 115200
- : >properly perhaps we can then consider the 230k UART speed.
- :
- : Well, DOS 6.2 is pretty common, and I know that I've been able to (almost)
- : saturate the port at 115200 without any errors. Here's a log from one such
- : test using QModem Pro for DOS, a Courier V.34 external, and plain 16550
- : UART:
- :
- : 22:40:52 09-14-95 Online Timer Started
- : 22:42:00 09-14-95 Download File(s). Protocol : Zmodem
- : 22:42:01 09-14-95 ++ File 1MEGTEST.RUN
- : 22:43:34 09-14-95 ++ End of file
- : 22:43:34 09-14-95 ++ Chars Per Second : 11272
- : 22:43:34 09-14-95 ++ Effective Percent : 0%
- : 22:43:40 09-14-95 Elapsed Online 00:02:48
-
- Sure and I have also. In fact, I posted several articles showing this on
- transfers between computers over phone lines and modems. That's not, of
- course, what I was talking about here and it has little to do with my point.
- Drop the test file and use a real world file.
-
-