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  1. wally

    Why does my 1710AV do this?

    I had a misbehaving Apple Multiple Scan 17 that required abusive treatment when the video got stupid. I finally decided to apply my considerable experience in fixing things to track down the intermittent using various long and highly insulated tools to mechanically probe while running the thing...
  2. wally

    My poor batteries... iBook Clamshell & PB1400

    Batteryspace.com sells NiMH tabbed 4/3AF cells. Getting eight of them to fit into that tight PB1400 case may be a problem, so the tab soldering must be done in a very compact manner. NiMH batteries are relatively safe to work on so the PB 1400 battery is a good place to start learning about...
  3. wally

    Shoulda mentioned earlier. new Job

    So, will the high tech equipment be relatively automated, with GPS/GIS integrated data collection? Will you mostly push the start button and drive, or is there a lot of measurement equipment manual operation depending on what you encounter in the field, like unexpected jamming or multipath...
  4. wally

    modem not responding with Performa 631 OS 8.0

    For any external modem, IIRC... AppleTalk control panel: "connect via" selection should not be set to compete for that serial port. Chooser: no printer should be configured to be competing for that serial port. Extensions: go thru the list for any likely serial and modem related suspects...
  5. wally

    Performa 6200 and MacOS 9.0

    On your Mac OS 9 installation disk, in the Utilities folder is there a 5xxx/6xxx Tester 1.1 folder? If so, what happens when you run the 5xxx/6xxx Tester application?
  6. wally

    Kodak precision software

    In the past there was a plan to offer conversion of film images to Kodak Photo CD format, and the Kodak Precision Color Management System was part of the machinery to extract the images from CD and accurately represent colors on your system. If you have Adobe Photoshop installed, go to the...
  7. wally

    Scientific Programs for Mac OS X

    I thought I'd pass along a promising link I just received from a friend. http://hpc.sourceforge.net/index.php [:)] ]'>
  8. wally

    PowerBook 2400c & button cells for backup battery

    Soldering should work. Those tabs are welded to the cells, but intended for you to solder them at the far end either to each other or into a PC board. The batteries will see the least heat if you get the tabs very clean and use a hot tinned iron quickly, like several seconds of actual heating...
  9. wally

    Dead FireWire on a G4?

    All three rectangular metal self resetting fuses F1 F2 F3 should measure about +26.5V on both ends, also SMT cap C40 at the + end. You can also inspect T1 T2 T3 to make sure no one busted any of the eight tiny wires by over cleaning with a brush, same for the two tiny wires of L11.
  10. wally

    Presto Plus in My Color Classic

    What worked for me recently was CAREFULLY cleaning the top lens only. Could read CDROMS but not CD-Rs before cleaning on multiple drives. Cleaned them all, now they all work. The plastic lens will accept a carefully placed small drop of distilled water from a wet swab. Let it sit to dissolve...
  11. wally

    Pismo battery

    Here's a way small ADULTS could be hurt: [8)] ]'> http://www.youtube.com/watch?v=WeWq6rWzChw
  12. wally

    total_macs += 16;

    I think suspecting the electrolytics is a good bet. Recently I've been overhauling a Personal LaserWriter LS power supply containing 1992 date code original parts. Of the first five electrolytics that I have examined then replaced, ALL FIVE were leaking liquid electrolyte (I checked that it...
  13. wally

    Pismo battery

    I bought a no-LEDs-light-at-all Pismo battery for $3 today at a flea market. I was planning to use the guts for experimental purposes. However, it is too good to mess with. Although initially not recognized, it responded to the initiation ritual and then charged slowly and uniformly to 100%...
  14. wally

    Is This Tablet Broken?

    Haven't tried my ArtZ tablet with OS X yet. Post your type of USB to ADB adapter and what USB adapter driver version and maybe others can help on that configuration part. In my ArtZ manual it says in summary that red light=ADB power is being received OK (good news), and if Stylus is detected...
  15. wally

    Personal LaserWriter LS won't turn on

    To some extent cartridges are self cleaning when inserted into a working printer and cycled. But you can do some manual cleanup to avoid soiling other printers. Work well after sunset outdoors (so there is no UV nor bright light) or someplace dim indoors but where you can make a mess then...
  16. wally

    Personal LaserWriter LS won't turn on

    Some things you can do: Try another power cord, and make sure the contacts on the IEC connector are corrosion free. Open the access door, remove the two screws securing the top cover assembly and lift it off. Look for the hidden recessed unmarked green circuit breaker reset button on the...
  17. wally

    My poor iMac G5

    Some simple stuff you can try... When you run the disk repair and verification stuff within disk utilities while booted off the OS X install media, does it catch and repair anything? Then, back in OS X, running Activity Monitor probably found in the Utilities folder of Applications, anything...
  18. wally

    battery fix

    I recommend choice B) , the "or not"! The chemicals inside lithium ion cells have a thermal runaway characteristic that is quite deterministic. Heat it up to a certain trigger temperature in any one small spot and it will blow, 100% of the time. Heat can come from an unfortunate combination...
  19. wally

    Pismo 'Refurbishing'

    Also, it might be good to read the firewire section of http://support.apple.com/kb/HT1431 [:)] ]'>
  20. wally

    Pismo Battery Reset/Recondition/Resomethingtomakeitworkagain

    Very, very rare indeed, so you might reasonably conclude that the weight and stiffness are much more valuable to you in stabilizing your laptop than a tiny, tiny risk of fire from unmodified but dead battery leakage. In my case, I have enough weight from a CDROM drive on the other side and do...
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