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  1. Is the groove in the leadscrew spotless? Does...

    Is the groove in the leadscrew spotless? Does the needle follower fit securely in the groove, or has part of it worn or broken off? Some drives include an oiled felt "damper" to take care of...
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    If you want wide GPIO, the Pi may not be the...

    If you want wide GPIO, the Pi may not be the right platform. A more general-purpose MCU, such as a PIC32 or STM32 might be better, even if the CPU clock isn't as fast.
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    I strongly suspect that the big boxy terminal is...

    I strongly suspect that the big boxy terminal is hardware-specific and geared toward running maintenance tasks. We had such beasts on the STAR also--the Maintenance Control Unit (MCU) which was a...
  4. Thanks for that, Mike--but unfortunately, email...

    Thanks for that, Mike--but unfortunately, email addresses grow on trees, it seems.
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    Ah, thanks for pointing that out!

    Ah, thanks for pointing that out!
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    Oh, okay. The only TI terminals that I've ever...

    Oh, okay. The only TI terminals that I've ever seen and worked with have been their Silent 700 series. I remember lugging one of those things home with me on multiple occasions. Always one with...
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    Are you sure that this is a TI product and not a...

    Are you sure that this is a TI product and not a rebadged TVI one? The model number rings a bell.
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    8 bit DMA transfer isn't as fast as many think,...

    8 bit DMA transfer isn't as fast as many think, because it takes several cycles to complete a single transfer. This is one of the reasons that AT-class disk controllers used programmed I/O, rather...
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    My own experience is that 3M was no better or...

    My own experience is that 3M was no better or worse in DSDD among other first-line manufacturers. I used 3M and Sony in bulk interchangeably with no customer complaints.

    However, you might be...
  10. There are a number of manufacturers of these,...

    There are a number of manufacturers of these, including Snap-off (if you enjoy paying just shy of $30 for a single Phillips #2 driver), but basically, you want to look for "diamond tip" drivers. I...
  11. There are screwdrivers with specially-treated...

    There are screwdrivers with specially-treated tips. I think that they serve the same purpose.

    After I picked up my battery-powered ratchet, working on my truck got to be a lot simpler. I have...
  12. There are times that I would be lost without my...

    There are times that I would be lost without my trusty HP16C. I've gone through a grand total of 3 sets of batteries since I purchased it back in the 1980s. I have replaced the LCD display after...
  13. Ah, so "Goldfinger" getting sucked out of a jet...

    Ah, so "Goldfinger" getting sucked out of a jet is just nonsense? I thought as much, though I did have a thing for the young Honor Blackman...

    One thing that's made a huge difference in my...
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    I don't trust the low-profile ones; I'm running a...

    I don't trust the low-profile ones; I'm running a 3GHz Prescott and those buggers get hot fast.

    That Molex one is interesting , but it clearly takes a different mounting bracket. I did grab the...
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    Kind of regretted not keeping that one, but other...

    Kind of regretted not keeping that one, but other than the one I'm using, I have no other 478 boards. I'm predominantly AMD nowadays. Which reminds me--the footprint of a socket AM2 heatsink is...
  16. If it's not much trouble, I like to improve on...

    If it's not much trouble, I like to improve on replacements. Stainless instead of zinc-plated fasteners, etc.

    Stainless is a lot cheaper than it used to be--and will never rust or corrode.
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    Do you want to see a photo of the broken Intel...

    Do you want to see a photo of the broken Intel heatsink parts? The only alternative is to puchase a new one--which will probably also break. As the ranks of available parts thin out, it's going to...
  18. It would seem that the Picaxe could manipulate...

    It would seem that the Picaxe could manipulate CTS/RTS to throttle the input to whatever you wanted.
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    Rebadging old chips has gotten to be an art in...

    Rebadging old chips has gotten to be an art in the far East. Rather than repainting the top, it's simply easier to abrade the markings and then apply the fake ones. The surface looks new...
  20. Probably a brass insert--that's good. Get out...

    Probably a brass insert--that's good. Get out your tap set and thread all the rest to agree then get some matching screws. With the shades drawn and the lights out, nobody will ever notice... :)
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    It's materials choice that is so often short...

    It's materials choice that is so often short sighted. I used to own a Volvo 940 turbo-brick. Great car; good mileage and lots of room, particularly if you put the rear seats down. It had two...
  22. I read the article, but it gives no indication of...

    I read the article, but it gives no indication of what you're using for your serial interface.
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    While waiting for the Dell unit, I've taken some...

    While waiting for the Dell unit, I've taken some stainless steel wire and sheet brass and bodged a couple of brackets onto the old fan assembly. Held down to the retention bracket with zip ties. ...
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    If you have more CPU and memory than bandwidth,...

    If you have more CPU and memory than bandwidth, you could also get fancy and take a cue from the video compression people--just transmit the "differences" if the content of adjacent frames is...
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    Let me guess--you bought it on eBay. :) ...

    Let me guess--you bought it on eBay. :)

    Probably a relabeled 8086. Timings should be substantially different. You can always go into DEBUG and try some V30-specific instructions to verify,...
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