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About NJRoadfan

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  1. Hey now, NeXT did try and mainstream the MO drive as a practical storage device. I think that was a bit TOO forward thinking though. Loading an OS and writing to the disks is SLOW. What really killed adoption is price. The Syquest 44 and 88 were ubiquitous and CHEAP. The Iomega Zip nailed the form factor of the super floppy and was also CHEAP. It wasn't Iomega's first attempted either. I have a SCSI 21MB Flopical drive laying around here somewhere although I think they only licensed that tech.
  2. I can say for a fact that MacOS 8.5 and 8.6 work on a stock 6100/66 with 40MB of RAM. Generally on PPC machines I stick with 8.x since more of the OS is PPC native. I know back in the day people were not a fan of System 7.5.x and 7.6.x's stability on PPC machines. The recommendation to stick with System 7.5.5 is mostly one for 68k machines due to it being more compatible with older software and hardware (24-bit addressing is still available etc.).
  3. I think a DB-25 to HD-68 cable should work. High byte termination should be a non-issue, just make sure the drive is the last device on the chain and properly terminated. Also the drive must be set to "single ended mode" and/or "narrow mode". and must only use a device ID from 0-7 (0 is typically assigned to the internal HD and 7 to the controller). ID 8-15 is only available for wide controllers. Centronics 50F enclosures should be VERY common. They are standard SCSI and were made for many years. The easiest way to get one is a "broken" external drive of some sort, just swap in wha
  4. The manual details configuring AppleTalk options (zone, device type) on page 43.
  5. Netatalk's PAPD will handle that, or grab one of these and plug it into the USB port: https://www.amazon.com/IOGEAR-1-Port-Print-Server-GPSU21/dp/B000FW60FW The IOGear dongle claims to support AppleTalk using the LaserWriter driver as long as your printer natively supports PostScript (which it does).
  6. If you have netatalk 2.2.x setup elsewhere, you can use its PAP server in lieu of a printer that lacks native support (This will work with any printer that supports Linux using GhostScript as a RIP). That or one of many USB print servers still available that support AppleTalk (they'll work with any printer with built-in PostScript).
  7. Supports PostScript, but lacks AppleTalk support (support was dropped in new printers awhile back). No it will not work out of the box.
  8. A quick search reveals the drive I borrowed was a Sony SMO-S501. Its heavier than it looks in the photos.
  9. The drive should just work like any other SCSI removable device. A friend of mine had an early 650MB 5.25" MO drive, it was an huge external beast. Putting in a disk and hearing it spin up was certainly something and that was with the loud cooling fan it had. For laughs I connected it to the Apple IIgs and it worked just fine. That was likely the first and last ProDOS formatted MO disk made. I also tried it on a PC and a Mac without any problem as well. Oh yeah, and you had to flip the disk over to use the whole capacity. Just be patient when writing data to the drive. It takes a w
  10. http://www.goldstarsoftware.com/applesite/Documentation/AppleIIgsHardwareReferenceManual.PDF Chapter 9 has a basic overview. Oddly the later 2nd Edition for the ROM 3 omits most of the information.
  11. I can't imagine Apple sold too many of these. Whatever was in service was likely scrapped at this point.
  12. Apple provided a reference design for IIgs memory cards in one of the tech ref books. The Apple card and many others are based on that design.
  13. Early 3.5" disks were...... different. I have a few early HP disks I got with a Mac 512k many years ago. The shutter doesn't auto-return, you have to pinch the disk. https://www.hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/archv013.cgi?read=38419 Sony's were different as well. I think the shutter on them was completely manual. https://www.macgeek.org/museum/sony400kdrive/
  14. The cable is straight-thru. One thing to be mindful of is that all the pins should be present and wired on the cable. Apple shipped the AppleColor RGB monitor for the Apple IIgs with a DB-15 cable that is missing pins and it will NOT work with a AppleColor High Resolution Monitor. The Apple IIgs doesn't use the sense pins on the DB-15 connector, so Apple saved a few cents on the cable by eliminating the unused pins.
  15. Flashing green light likely indicates the controller is working and processing the startup page to print, only to fail when the printer attempts to heat up the fuser. Failures in the AC power supply can be intermittent. You should be able to connect to the printer via AppleTalk and query its status with the LaserWriter driver. If that communication works, the controller board is likely fine. One thing to note about the Apple Service Source is that its really basic and doesn't seem to call out the AC power supply as a trouble spot. HP's service manual for the LaserJet II/III has a f
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