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About hunmanik

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    Atari 8-bit computers, Atari corporate history

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  1. "1983-1984 Researcher, Atari Labs" http://www.jaronlanier.com/general.html
  2. I see in the 810 FSM there is this spec: Pad Pressure = 17 Grams. Would this be the pressure exerted by the heads? I don't see a comparable spec in the 1050 FSM. But if this is the relevant spec, maybe it is a bit different/more for the XF551? My experience with Blue Max disks on my XF551 was just like the op described with Wayout - the drive seemed to literally scrape the media off of the disk, creating a narrow ring where you could see right through the disk. The result was identical (same location on the disks) with two Blue Max disks that were both fine when used on an 810 but ruined by the XF551, but the XF551 never did that to any other disk. I have seen scattered reports of similar experiences with the XF551 over the years, so that's why I suspect it's a result of something different about the XF551 compared to other Atari drives, even if the pre-existing condition/quality of certain disks is the bigger factor.
  3. Compare to the "Dixons Exclusive" pack.
  4. What were the other titles that were damaged? I have this short list of disks that the XF551 has been known to damage in the way you describe, supposedly due to the XF551 spinning at 300 rpm (not that this reasoning makes sense to me!): - Flight Simulator II (subLOGIC) - Blue Max (Synapse) (I have personally destroyed multiple Blue Max disks with the XF551 drive! -mc) - Bank Street Writer (Broderbund). Conflicting reports about this one. - Boulder Dash II (Databyte release?) - Inside (Spektra, 1990?--original Polish version?)
  5. I found another picture of that device. source: https://retrogames.cl/foro/viewtopic.php?f=3&t=2549#p24086
  6. https://archive.org/details/AtariNewProductSlicks1983
  7. Regarding "OS 255" there's also: https://mcurrent.name/os255/410insert-os255.htm https://mcurrent.name/os255/softside.htm
  8. This? Atari DE - 1987 - CO72018-004 REV. A K.I.7 1991 - Das Atari XE Handbuch.pdf
  9. I was reading over this thread and remembered this Finnish 600XL manual that seems to describe similar localized OS functions: http://www.atarimania.com/documents/atari_600xl_manual_finnish.pdf
  10. hunmanik


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