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  1. wally

    Apple Personal Laserwriter NTX Printing Gibberish

    Based on a PM clarification that it is a Personal Laserwriter NTR, power down and disconnect the printer cable temporarily. Then set the ten position push button switch to zero, which specifies that the three ports may then be used as follows (according to Apple all three may be used at the...
  2. wally

    Boatload of Stuff

    The cleaning/airing suggestions of the earlier posters may be sufficient for the items less contaminated mainly on the outside by falling smoke particles. But for items with cooling fans inside (if the smoker was nearby) you will likely need to disassemble them and wipe down the areas where tar...
  3. wally

    Apple IIc programming confusion

    Not having an Apple IIc handy but wanting the experience I went to http://www.calormen.com/Applesoft/index.htm and tried out the Applesoft Basic simulator that runs in Javascript. As others had said, no pre dimensioning/declaration of string variables necessary. Unless I am operating this...
  4. wally

    Apple IIc programming confusion

    My prior post may go too far and create arrays of string variables, so also try the simpler DIM A$(1), B$(1), C$(1) or even simpler DIM A$, B$, C$ I saw somewhere that Applesoft Basic went to dynamic garbage collection for variable length strings (and if so length was automatic up to some...
  5. wally

    Apple IIc programming confusion

    Just a guess...you may have to declare a$ first specifying a non zero maximum string length in bytes. Try Dim A$(64), B$(64), C$(255) at the start of the program and see if that gives you some string variables of non zero length to play with.
  6. wally

    Apple IIc programming confusion

    Try using a$ where you were using a.
  7. wally

    Adding a Zip Drive to a Mac Classic?

    Use the blue cable. That the Classic boots with the blue cable is a good sign, likely a missing driver causing non recognition. There is no termination switch on the Zip 100 plus. Just leave the second female bulkhead passthru connector unused for initial debug. When the Iomega driver is...
  8. wally

    Adding a Zip Drive to a Mac Classic?

    If you have the proper Zip 100 plus blue Iomega cable connect the end marked AutoDetect to the Autodetect male DB25 bulkhead connector, and the other end with the Iomega logo to your Mac. If you are using improvised cabling possibly with gender converters make sure all 25 pins and also shield...
  9. wally

    PowerBook 1xx Batteries -- Good Source / Rebuilding ?

    My old notes on that say the internal cells are .67x1.97 inches, 10 size A NiMH connected in a series parallel configuration for 6V at the terminals. Compare the results for a Google search on Powerbook 170 battery to the solder tabbed size A cell costs at...
  10. wally

    Aargh! Floppy disk help please!!

    14. There are six aluminum electrolytic capacitors visible on the Sony "2MB" floppy drive I happen to have just inspected. Does your particular drive have any? Perhaps one or more of them have reached end of life.
  11. wally

    Replacement RAM Chips

    Some 256Kx1 DRAMs that can be looked up at http://www.datasheets.org.uk/ appear at the end of this post. The trailing -NN access time speed designator should not be included in the part number lookup as its meaning will appear as an explanatory note within the base part number datasheet. The...
  12. wally

    Troubled SE/30

    Hmmm, usually silicone is not nearly as slippery as mineral oil/lithium grease like that at http://www.cyclesuk.com/337-518016 The silicone stuff is usually better reserved for contact corrosion protection and to keep rubber from sticking. It might be good for plastics, for example if the...
  13. wally

    Troubled SE/30

    But perhaps the plastic microswitch sensor shaft on the front edge located switch to the immediate left of the rightmost one is stuck down from crud.
  14. wally

    SE/30: Original Keyboard / BBSs

    The home page of the original link I supplied has a multipage Telnet listing. http://www.telnetbbsguide.com/
  15. wally

    SE/30: Original Keyboard / BBSs

    A look at bulletin board systems in wikipedia suggests http://www.telnetbbsguide.com/dialbbs/dialbbs.htm [:)] ]'>
  16. wally

    Pinout for PowerBook modem with 8-pin connector ?

    Not which pins, but some background info that might apply if that modem is the international version... http://www.mail-archive.com/duolist@themacintoshguy.com/msg00406.html
  17. wally

    LC Power Supply voltages

    http://www.repairfaq.org/sam/smpsfaq.htm
  18. wally

    One little addition to the family - G4/400

    So was there anything like a treasure box in the secret storage area above the optical drive? [:)] ]'>
  19. wally

    Another Half Dead IIci..

    If the replacement caps were bad or wired polarity reversed, both power on and power off circuits would be behaving badly, and if the system was jumpstarted then turning it off could be a problem. Not to accuse you of anything, but this might be a good time to remind readers that on aluminum...
  20. wally

    Flying Saucer in pieces...

    That might work. Hovering with ground effect is a lot easier than flying. I took the weight data from one of the earlier links that I posted above and applied an area rule scaling (similar wing loading) for the thrust the saucer airfoil would have to generate for vertical lift flight. The...
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