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| subject: | Info on old Serial to parallel converter |
-=> Quoting Matt Mc_Carthy to Leonard Erickson <=- MM> No help whatever on that one, but the post reminded me I built one MM> years ago, and made it switchable, as I needed a parallel to serial to MM> run an old Centronics serial printer (yes, the people that 'invented' MM> the parallel port!) People thought I was nuts back then, as I had a MM> computer with only 16K and had a 64K buffer hanging from it. Wonder MM> where it is now or what ever happened to it? What would I do with it MM> if I knew where it was? :-)) I've got two 64k printer buffers around here. I think I know where they are. They don't like PC printer ports that much. they were wired for Centronics ports. I used to save charges on Compuserve by calling in with my modem hooked up to a Wyse terminal set for 132 columns, and dumping the messages to a fast (for the time) wide carriage printer thru the buffer. I'd set for 1432 column output from the forum, and no pauses between messages. At 2400 bps (or I might have been at 1200 back then) it saved me a *lot*. It'd take a while to fill the buffer, and the printer was fast enough that it only ran for another 10 minutes or so after I logged off. Then I could read thru the message, write replies on my TRS-80 to be uploaded later (and it was possible to make the replies a batch upload). And anything I wanted to keep I could snip out and file. Later, I switched to dumping to the disks in the M100 DVI unit, since I could do that with a simple capture command. Reading the files got "interesting" as the text editor was limited by the amount of RAM available (less than 24k after the ROM and the DOS). --- FMailX 1.60* Origin: Shadowgard (1:105/50) SEEN-BY: 633/267 270 @PATH: 105/50 360 106/2000 633/267 |
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