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lti
Badcaps Legend
Last Activity: Today, 12:10 PM
Joined: 05-11-2011
Location: Windsor, Colorado
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  • You don't want the cap to actually hit its rated voltage. There should be some margin.

    I've heard that caps will fail faster if you run them too far below their rated voltage, but I haven't ever found any official documentation to confirm or deny that.
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  • lti
    replied to Copy-protected DVDs
    Now the 16:9 DVD rips play in the correct aspect ratio (not stretched too wide).
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  • lti
    replied to Alarm Siren issue
    That's a microcontroller, so it all depends on the program.

    [URL]https://www.microchip.com/en-us/product/pic12c508a[/URL]

    Damn, I missed page 2.https://That's a microcontroller, so...missed page 2.That's a microcontroller, so it all depends on the program.

    [URL]https://www.microchip.com/en-us/product/pic12c508a[/URL]

    Damn, I missed page 2.
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  • lti
    replied to Copy-protected DVDs
    I just bought what discs were available semi-locally, and I never had problems with any of them. I haven't burned a disc in at least 10 years, and that was just to burn a game disc back in my gaming days (for a game that was released for free as a bin/cue image and meant for Windows 95 or DOS). That was onto a CD-RW that I erased and reused a few times, and it's still one of two discs that the drive in my old Compaq can still read (which doesn't really matter since that computer runs the game in slow-motion, even though the framerate is fine).



    I never noticed a speed...
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  • https://[url]http://www.paullinebarg...x12mm, though.[url]http://www.paullinebarger.net/DS/RM%20%5bSanshui%20Riming%5d/RM%20%5bradial%20thru-hole%5d%20KLE%20Series.pdf[/url]

    Those look a lot smaller than 8x12mm, though.
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  • lti
    replied to Copy-protected DVDs
    The media seems reliable to me, but the drives themselves fail so often that I don't want to use them anymore. I rip CDs and DVDs, and for old software that's still on CDs (all of which is currently for computers that are too old to have SATA), I make bin/cue images and load them with Daemon Tools. For those old computers, I guess the next option would be to mess around with audio drivers so I can use digital audio through an IDE to SATA bridge (SATA drives don't have the analog audio cable to get music in games, but Daemon Tools has only failed on one motherboard with AC'97 audio so far - old...
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  • lti
    replied to Copy-protected DVDs
    I had an adventure with DVD ripping recently while completely forgetting about this thread. It turned out that I had to switch to Windows 7 (on that shitty Toshiba laptop). On my main system, every program I tried claimed that the discs were unprotected, and then ripping immediately failed (obviously). I didn't try paid or trial software except for MakeMKV, so maybe one of those works better with Windows 10.

    Then my optical drive failed. It was randomly ejecting discs while ripping, but not when the drive was idle. Eventually, I ran into discs that it couldn't read or were detected...
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  • The last Rubycon caps I bought were made in Japan, but I did have the feeling that a lot of these cap brands were outsourcing (or at least using the same suppliers for materials).
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  • It's rated for 18-36V, so 30V is fine.

    There is a remote on/off pin that needs to be grounded to enable the output. Have you connected that pin?
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  • The caps in that Compaq are from 1999. I have seen those OST I.Q caps before, but I thought I.Q caps were always made by OST. There was weird stuff going on back then, like all of the Tayeh caps with identical markings to GSC except for the brand logo.

    What's worse is the equally old Su'scon caps in that Compaq's power supply.

    Windows is showing me the red "low free space" bar under the Seagate drive, so I might have to upgrade soon anyway. I'd like to go to SSDs for speed, but they're expensive and mostly QLC drives once you go over 2TB.
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  • My old Compaq is still running I.Q caps 25 years later.


    Seagate was considered good back then. It's only some of the newer models that were unreliable... and I have a modern Seagate drive in my main system. ( again)

    I'm not a good computer guy, and I still want a dual-CPU system....
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  • Greenlee was selling some of the Brymen meters over here (with a green sleeve instead of red - I remember seeing them on the shelf at Home Depot), but they were priced a lot higher than an imported Brymen (not worth the money).

    Anyway, I think the Fluke 189 is a good meter. I don't know why anyone is implying that Fluke meters are unreliable, especially compared to Uni-T.‚Äč...
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  • If you actually have a good hard drive to clone, my first thought would be to try ddrescue in Linux to make an image of the good drive.

    I doubt that there's a way to manually install the firmware from HP onto a blank drive. It looks like an update that you're meant to install on a working printer. There's also the problem mentioned earlier where it might only work with certain models of drives.
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  • Re: How to Recondition (Reform) Electrolytic Capacitors and Why

    No, you need some kind of current limit. Otherwise, it would be the same thing as just powering on the equipment after all those decades in storage.
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  • Re: Favourite Bulk Capacaitors

    I just get the cheapest thing that physically fits. If it's something I care about, I'll use one of the Japanese brands (usually Rubycon). I've never used TDK/Epcos caps, but I've seen their snap-in caps used in industrial equipment (along with Cornell Dubilier - just make sure you're getting CDE brand instead of Mallory because Mallory caps are just Yageo/Kemet with a huge markup).
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  • Re: Elite capacitors?

    What's the diameter of the shorter caps? I'd expect these to have an unusually small diameter as well as being unusually tall (so the TV can be made thinner for marketing purposes).
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  • Re: Your opinion of Apple

    If you think that cooling is bad, wait until you see the Dell Precision 7670 and 7770. It will cook itself to death before the fans fail.

    Anyway, we're going off-topic. I haven't used any remotely modern Apple stuff, but their ARM CPUs might be really fast. It's just a strange (maybe stupid) architecture with on-package RAM and a custom SSD controller.
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    Last edited by lti; 11-12-2023, 12:27 AM.

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  • Re: Your opinion of Apple

    The clickpad is another stupid thing that everyone copied from Apple. That piece of shit is even on workstation-class laptops now (to save money - they don't have to stock an oversized clickpad for consumer laptops and a real touchpad at the same time).
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  • Re: Your opinion of Apple

    I think Motorola lets you uninstall anything. They will at least let you uninstall the preinstalled TikTok. Maybe I don't fully know what is required by the OS, but everything I know of that isn't part of the OS can be removed.



    Samsung's bloatware wants me to move to another brand for my next phone, but they make good batteries and promised five years of support. All of their consumer products require bloated software that doesn't work. Even the SSDs with buggy firmware don't have a simple firmware update utility. You need...
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  • Re: PCs aren't extinct! (version 2.0)

    I feel like this is another dark period for PCs. We're seeing rising prices for everything (even "gutless wonder" power supplies are $50 now instead of $10) and massive increases in power consumption. In the case of Intel, there appears to be an architectural flaw in 12th-gen and newer that results in the system randomly going unresponsive for short bursts under basic use while being extremely fast under load. People have been calling it "latency," but I don't know if that's the best description of the problem. I don't think...
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    Last edited by lti; 11-04-2023, 12:42 PM.

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