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Everything posted by Larry

  1. It is a 64-column software display, IIRC. I did look at it and play around a bit a long time ago. Can it be used with any dos other than SDX? I suspect not, but would be nice, since it looks a lot nicer and more legible (IMO) than the 80-column displays. Maybe it could be made "stand-alone" just as the many 80-column displays are? It was also pretty fast, as I remember it. No, it's not 80-columns, but it is a good solution for those needing more than 40.
  2. This type of topic has come up before. The following one had quite a bit of traction.
  3. I also had an Avatex modem. 2400 Baud, IIRC. After starting out at 300, this was a dramatic improvement. Worked well, and when a surge took it out, they sent me a new one, free! But I don't remember where I bought it. How far we've come on this journey!
  4. "In my 800 I added a pot to the speaker so I could type late at night without waking the neighborhood." It always struck me odd at how much variation there is in the XL series Key Click and SIO sounds. My 1200XL's have a very loud key clicks and quite soft SIO. If I set the SIO sound to a nice level, then the key click is jarring. Don't remember much about my 800, but I'm sure @ClausB has it right. An interesting little tidbit -- the the 1200XL is apx. 12(1/2)" deep; the 800XL is apx. 8(3/4)" deep; and the 600XL is apx. 6(3/4)" deep. I've never seen anything written that indicates that those dimensions had anything to do with the names, but if a coincidence, it is an interesting one. The 1200XL is a nice Atari, but takes up a lot of desk space, IMO.
  5. Here is the timing for a stock 1050, reading then writing an entire SD disk (92,160 bytes). Times by stopwatch. Copy 130XE sector copier used to read the entire disk into memory. NTSC system. I'll try to add Happy, US, etc, if no one does it before. BTW, this throughput is what Rybags posted above in #4. Read time: 85 seconds. Throughput 1084 Bps. Write time 85 seconds. Throughput 1084 Bps. (No verify) Happy 1050 (No Warp) The Happy 810 was the first Atari "speeder." Unfortunately I no longer have any 810's. Read Time: 65 seconds. Throughput 1418 Bps. Write Time: 85 seconds. Throughput 1084 Bps. Ultra Speed 1050 Read Time: 47 seconds. Throughput 1960 Bps Write Time: 48 seconds. Throughput 1920 Bps
  6. I used both systems, and in stock form, the C64 was slower, unless you used Atari write with verify. But using Jiffy Dos or other speeders, the C64 was pretty equivalent to an A8 with Doubler or Happy. The 1541-II is the C64 drive to have (IMO).
  7. Nice! Wasn't there another ML game similar to this called "Think and Work" maybe from Germany?
  8. If you make a template of the timing hole position, then you can reverse it and carefully slip a paper hole punch between the jacket and the disk, and punch new jacket holes for side B. It's a PITA, but I used to do it for my XF551. Then I got the CSS XF551 Enhancer, and life got easier.
  9. @Allan Are the Atari Current Notes accessible in one location? I'm probably searching incorrectly, but if I search for "Current Notes", I get hundreds of results -- mostly things other than Current Notes magazines. Do you know of a way to get just the Current Notes mags?
  10. I'm curious if using a 512K SRAM in place of DRAMs would have any favorable effects on other parts of the system?
  11. My present issue is with a small Li-Ion battery charger for 1.5V AA batteries. (Which are a big step forward from NiMH, IMO.) The charging voltage is 5V nominal. It has solid positive connections and spring tabs for the negative. I have had similar issues with the barrel plug and spring ground on a XF551 disk drive. That was an ugly plating job, and I ended up replacing the whole connector. I've also had similar problems on XL/XE power connectors.
  12. The surfaces are bright plated with something or would rust. Maybe nickel or tin. I think that most contacts are plated with a nickel alloy (or much more expensive gold). Think of the contacts, for instance, between the barrel plug and connector pin on a disk drive. Or even the pins/jack on the XL/XE power supplies. I'd be reluctant to use a conductive paste because of possible migration (as Rybags points out). Maybe gold leaf, but the durability might be suspect. Maybe Tweak, which can be better controlled. Tweak is the easiest to try -- pretty sure that I have some around here.
  13. Not strictly for Atari, but certainly could be... If I want to make better electrical contact between two steel (bright) plated surfaces, how can I improve it? I'm familiar with Tweak and similar liquids, but I'm thinking of something more permanent. The surfaces are clean, but I get "iffy" 5V connections. Any thoughts?
  14. Fortunately, not too many boxes to look through. And mercifully, none are in the attic!
  15. So I presume that the U1MB does require 64K?
  16. Did you run the Happy diagnostics on the menu? Boot the Happy disk from the drive and plug nothing else into SIO while testing.
  17. Back to the Atarifests... I went to 4 of these in the 80's and 90's -- one "regional" near the Detroit Metro Airport ('85), one "official" at a large Holiday Inn near FORD Dearborn headquarters (maybe '87), the ("official" 8-bit EOL Atarifest) Chicago ('92) Atarifest, and the Las Vegas "revival" Atarifest ('98). I'll look through a few boxes -- I might still have some pamphlets and pictures from one or more of these (especially the Las Vegas show). (Dates are approximate.) Are there any archive postings from any of the Atarifests? (I got the above WAACE pdf -- thanks!)
  18. This is mostly a question about 600XL's, but would also apply to XL's that have bad ram. I think that the Ram320 XL did not require the base 64K on a 600XL (since one of its selling points was that it could be set to replace the base 64K). How about for XE's?
  19. Ah, I see. Don't know how I missed the big "play" triangle, but I did. Got it! Thanks!
  20. How do you get to the actual podcast? I've listened to quite a few various podcasts, but have had trouble finding the Antic Interviews on iTunes and YouTube. Does anyone know if/where this one is still available? I did successfully find and listen to the Bill Wilkinson interview several years ago, but I don't remember any details.
  21. Must be a labor of love -- that's got to take some time. I mostly keep originals on disks. But a few backups are, and some 3-1/2 disks that I still have stored. The one thing I'd add about labeling is that Brother P Touch laminated labels make durable, quality labels. And with the labeler attached to a PC, it makes a powerful system.
  22. If you have room, keep it -- it should continue to increase in value. But I sold my 2600 in '82? and got a Colecovision. I thought the games were immensely better. Then I gave away the Colecovision when I got my 800. I've wished for my Colecovision several times, but never wanted another 2600 (or Replay).
  23. The bad thing about the 65XE is $$ and no ECI expansion bus, according to the listing. As an alternative, you might check around here at AA. People here are typically reputable, and most don't try to gouge when selling surplus hardware. Of course, used equipment is used equipment, and that can end badly. And it depends on your time horizon.
  24. I have two 256K models, upgraded to 1MB by MG66. These both came with the perforated ends. It's difficult to comprehend that ICD used solid ends for some of these! I don't remember the serial numbers, but one is fairly low; the other higher. I did have to send one back under warranty, but it was a chip failure. Neither of these ever overheated, but I didn't leave them turned on for long periods of time, as with a BBS or powered on to preserve the ramdisk. They both can run a CF card for a hard drive with a SCSI-->IDE converter, but they are quite a bit slower than the IDE+2.
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