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jcbstein

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    Atari Home Computers all models.
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    Currently scanning material and posting to various archive sites.

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  1. Here is a link to all 3 versions of Monkey Wrench if it helps. https://archive.org/details/@jcbstein?query=monkey+wrench
  2. I believe this is might be the file for which you speak. Monkey Wrench II XL & BASIC (Rev. C).rom
  3. There are 2 versions of Monkey Wrench II. The 1st is for the right slot of the 800, the 2nd is for the 800XL.
  4. Here is a link to the manual for The ACE 80 cartridge. https://archive.org/details/ace-80-user-guide/ACE 80 User Guide/
  5. Well, after some testing, the 5.25" drive mechanism works flawlessly when tested on my other XF551. I tested the SIO contacts from SIO 1 to SIO 2 and I have continuity on all pins. Now I just need to resolve the power issues.
  6. I pulled the controller board out to inspect it and here are some pictures. I am guessing who ever installed the upgrade did some solder work to resolve the bad connection issue. In the close up picture, there appears to be a break in the trace right next to the power plug though, if I am looking at it correctly.
  7. Need help getting an Atari XF551 drive working that has the XFD 1.5 ROM for dual drives. I recently acquired a dual drive XF551 that does not work properly. When I opened up the drive, I noticed the positioning of the ROM in the socket is to the back 24 pins of the 28 pin socket. Should the chip start at the notched end of the socket? (see picture) I can’t seem to find a how to install manual for this. When I tested the5.25” drive from the dual drive unit on another XF551, the drive light would come on, and the motor would spin, but the read/write head did not move. When I tested a known working drive on the XF551 with the XFD ROM the drive did not work, so I have to resolve the issue with the circuit board in that drive as well. There is also another module attached that I don’t know what it is for. (see pictures) Any help is appreciated.
  8. Here is a link to the library list. https://archive.org/details/chaosatariprogramlibrary
  9. These are not mine. The cartridges were on eBay, but got pulled. So I pulled the image to post here.
  10. The Atari Basic Computer Program Label is from the original label run. The label was changed to better reflect that it was a Computer Language and not a Computer Program. As to rarity, I would say they rank as uncommon. I see some on eBay every so often. They are by no means $500.00 rare, or even $100.00 rare, more like $50.00 or less. Just my opinion. I believe the Editor Assembler Label is of the same situation as that of the 1st run Basic label. To the best of my recollection, which is by no means what it used to be, the Silver Label Basic is thought to be the result of different printers printing the labels through the years. Others may have different information.
  11. It is possible the DB25 port was for the use of the external Sidewriter keyboard, as that used a DB25 connector.
  12. I recently upload this to archive.org. It is the 32K manual, it may help you. https://archive.org/details/mosaic-32-k-ram-board-instructions
  13. The instructions are on side 1 of the disk. If you boot with Basic, a Title Screen will come up, giving you 2 options. The 1st will select the MENU, the 2nd is to view the instructions, with the option to print them.
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