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Re: Performance difference between ISA NICs?

Posted on 2019-06-27, 22:22

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What you did there was set an environment variable. What you need to do is run a program (the packet driver) to get it to load and stay resident in memory. See the mTCP documentation at https://www.brutman.com/mTCP/mTCP.html . Specifically, read the PDF file that is linked from the Downloads section …

Re: Performance difference between ISA NICs?

Posted on 2019-06-26, 02:00

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

If mTCP is "crashing" or "blowing up" I'd like to see a bug report. I don't have any such bug reports. I can believe that setting half duplex might change the flow control and make things work more reliably. Newer Windows computers are especially bad with respecting small TCP window sizes and the …

Re: Retro machines usefulness/connectivity thread

Posted on 2019-04-22, 14:29

in Marvin \ Software

in Marvin \ Software

The "killer NIC" thing is fun but it's not going to happen anytime soon. However, keep reading - there is a funny story here. First, the problem - the packet driver spec. The packet driver spec is ancient and doesn't have a mechanism for communicating fancy things like TCP offload or ring buffers to …

Re: Retro machines usefulness/connectivity thread

Posted on 2019-04-20, 20:59

in Marvin \ Software

in Marvin \ Software

Wrong mTCP ... If IPv6 is something people need they really should be letting me know; I can't read minds.

Re: Retro machines usefulness/connectivity thread

Posted on 2019-04-17, 02:46

in Marvin \ Software

in Marvin \ Software

The one piece of software I have found most useful is mTCP by Michael Brutman. It gives DOS DCHP, FTP, Telnet, and other utilities that are hard to get to work now. It has very good documentation, and all you need besides the program is any network card, as long as you have the packet driver for it …

VCF PNW 2019 is this weekend!

Posted on 2019-03-20, 03:44

in Milliways

in Milliways

Just a pleasant reminder - this is happening this weekend! Sadly, no PCjrs will be on display. But there will be one in the consignment area that you can bring home with you. 😀 Details can be found at http://vcfed.org/vcf-pnw .

Re: Norton Commander says LPT1 not available

Posted on 2019-03-17, 19:44

in Marvin \ Software

in Marvin \ Software

My recollection of the performance of communications at the time is a bit different. In the late 1980s the 16550 was pretty common and a welcome upgrade from the 8250. However most machines still topped out at 115,200 bits per second which was limited by the UART. If you assume no protocol overhead …

VCF PNW 2019 is in two weeks!

Posted on 2019-03-10, 00:35

in Milliways

in Milliways

Come join us for some vintage computing fun on March 23rd and 24th at Living Computers:Museum+Labs in Seattle, Washington. http://vcfed.org/vcfpnw/2019/advertising/VCF_PNW_2019_Flyer_Red_tiny.jpg http://vcfed.org/vcfpnw/2019/advertising/VCF_PNW_2019_Flyer_Green_tiny.jpg http://vcfed.org/vcfpnw/2019/ …

Last call: Exhibitors for VCF PNW 2019

Posted on 2019-02-02, 15:21

in Milliways

in Milliways

If you were thinking of joining us for VCF Pacific Northwest 2019 in Seattle then now is the time to let me know! The event is March 23-24th (Saturday and Sunday) with setup the day before. We still have room for some more exhibits if you are interested in joining us. If you are going to join us I …

Re: What are the options for large amounts of data accessible from DOS?

Posted on 2019-01-03, 19:07

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Scared of networking in DOS and what a decent tutorial? Try this: http://www.brutman.com/Dos_Networking/dos_networking.html Also, the mTCP PDF documentation is *very* complete. Look for the PDF file link on this page: http://www.brutman.com/mTCP/mTCP.html Try it, you'll like it ...

Re: What are the options for large amounts of data accessible from DOS?

Posted on 2019-01-03, 03:58

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Here is my list of favorites that are not networking related: Parallel port Zip drive; 100MB per disk works nicely and these can run on an 8088 with the PalmZip drivers. (V20 or 80286 required for the native software if you don't want to purchase the Palmzip drivers.) Parallel port Compact Flash …

Re: What are the options for large amounts of data accessible from DOS?

Posted on 2019-01-02, 23:40

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Please don't take that as a complaint. Your software works magnificently for 99% of use cases I could dream up for it. A full DOS system restoration even usually works fine if I take more steps than just overwriting an entire fresh install with the old files. I definitely did not take it as a …

Re: What are the options for large amounts of data accessible from DOS?

Posted on 2019-01-02, 20:44

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I also sometimes start the mTCP FTP server on my old machines to access their drives and drop off files via FTP. Works pretty well unless you start trying to do things like restore an entire hard drive backup remotely, which I've found to usually not work, choking on the system files. Copying …

Re: Ultimate DOS terminal application?

Posted on 2018-12-29, 01:40

in Marvin \ Software

in Marvin \ Software

The "Zmodem or else" thing is kind of irritating. Xmodem was universal. Even Ymodem and Ymodem batch are pretty universal. Zmodem came along fairly late, and there are computers out there that are just too small for it. For something like a C64 running at 1200 bps using Zmodem is like trying to kill …

Re: Ultimate DOS terminal application?

Posted on 2018-12-27, 18:06

in Marvin \ Software

in Marvin \ Software

Hi, I'm in a search for ultimate dos terminal application to use on my dos machines. I would like it to support serial communication and also packet drivers and telnet support. I would also like it to support all kinds of file transfer protocols like xmodem, ymodem and zmodem. The mTCP collection …

VCF Pacific Northwest 2019: Second call for Exhibitors

Posted on 2018-11-18, 20:11

in Milliways

in Milliways

When: March 23rd and 24th, 2019 Where: Living Computers:Museum+Labs in Seattle, Washington, USA I'm trying to throw a party, but like any good host I'm worried about the food and entertainment, and if anybody will show up. We already know there is no food at the museum so I need really, really good …

Re: Announcing VCF Pacific Northwest 2019!

Posted on 2018-10-15, 00:22

in Milliways

in Milliways

It's been a few weeks so I figured that I should bang the drum and make a little noise ... We need exhibitors, speakers and volunteers to have an event. We are off to a good start but we all know time flies when you are having fun, and March isn't that far away. When: Saturday and Sunday, March 23rd …

Announcing VCF Pacific Northwest 2019!

Posted on 2018-08-26, 23:51

in Milliways

in Milliways

Special offer for Vogons members: bring a diskette with mTCP on it and I'll sign the jacket. ;-0 No seriously, come and geek out with us. Consignment is also a great place to pick up systems or parts for your retro-rig. I'm announcing early to make it easier for people traveling from out of town. …

Re: Dos / Dosbox TCPIP ethernet networking guide - WIP, help needed

Posted on 2018-08-14, 14:08

in Marvin \ Software

in Marvin \ Software

For file sharing ... I'm not sure how well this works anymore, but you should be able to setup Microsoft LANMAN on a DOS PC to share files to a Samba share. I'm not sure how Windows 10 works with the old DOS client but I've been able to coax Linux into serving files. There is also NFS; the NFS …

Re: Dos / Dosbox TCPIP ethernet networking guide - WIP, help needed

Posted on 2018-08-14, 01:23

in Marvin \ Software

in Marvin \ Software

Hi. I'm the author of mTCP. Some quick notes: http://www.brutman.com/Dos_Networking/ explains the theory of DOS networking using packet drivers. The NE2000 packet driver required for DOSBox is not part of mTCP, but can be found here: http://www.brutman.com/mTCP/NE2000.COM . That link is right in the …

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