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Type: Posts; User: GiGaBiTe

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  1. Replies
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    108

    BIOS images are often compressed because the code...

    BIOS images are often compressed because the code is too large to fit in the ROM. The compression algorithm used is usually proprietary, so figuring that out is a bit of a headache.

    Ghidra is...
  2. You're trying to build a retro rig from one of...

    You're trying to build a retro rig from one of the worst times in computer history, everything from that era suffers from shoddy quality and the capacitor plague.

    Pretty much every ATX power...
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    Chemistry was a long time ago for me as well. I...

    Chemistry was a long time ago for me as well. I know both isopropyl and methanol are azeotropic, but when "denatured" with themselves, I don't remember if it breaks the hygroscopic nature of both.
    ...
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    Make sure you also clean the memory module pins,...

    Make sure you also clean the memory module pins, they can get tarnished and cause the module to not work properly.
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    Those aren't memory errors, the program crashed....

    Those aren't memory errors, the program crashed.

    EAX, EBX, ECX, EDX, EDI, ESI, EBP and ESP Are processor registers, Memtest is dumping the register contents and the stack where the crash happened...
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    P/N of chip is in screenshot in OP.

    P/N of chip is in screenshot in OP.
  7. If you have dimensions, I can print some TPU...

    If you have dimensions, I can print some TPU replacements that won't rot like rubber does.
  8. Thread: Lightning eek

    by GiGaBiTe
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    54

    My truck was struck by lightning while I was...

    My truck was struck by lightning while I was driving home at 1-2 AM several years back. It's an experience I will never forget.
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    It uses a JMicron IDE controller, they're to...

    It uses a JMicron IDE controller, they're to storage what Realtek is to sound. JMicron may be cheap, but they do their job damn well, even better than some of the more expensive brands. They also...
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    Nice, I have a 1st gen Dakota as well, but not...

    Nice, I have a 1st gen Dakota as well, but not really sure what year it is because it's a bit of a zombie.

    It was built in 1987, but it's 1988 model year and has a 1989 engine bay layout with a...
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    665

    Both alcohols form azeotropes with water,...

    Both alcohols form azeotropes with water, probably why they give you a range of percentages. Unless you have lab grade stuff under lab conditions, it's hard to say what the alcohol mixture will be...
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    Installed price varies based on camera location....

    Installed price varies based on camera location. If it's something like a drop ceiling with an easy home run to the DVR/NVR, it's going to be cheaper than a camera outside on the second floor on the...
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    108

    Some machines, especially laptops, store the BIOS...

    Some machines, especially laptops, store the BIOS password in some bit of NVRAM, or the EEPROM itself. Even if power is removed, the password won't go away.

    In cases like this, there's usually a...
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    If every disk the drive is reading/writing is...

    If every disk the drive is reading/writing is failing, the problem is more likely the drive than the disks.
  15. Replies
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    487

    The DVR was running Windows XP Embedded with SP3...

    The DVR was running Windows XP Embedded with SP3 and all of the latest available updates at the time.

    There is no build or version of Windows XP with any level of patching that is safe to be out...
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    You probably have bad memory modules, you need to...

    You probably have bad memory modules, you need to test them. Try an old version of Memtest86, like 2.x that will run on a 386.
  17. If the fuse is instantly blowing, then you have a...

    If the fuse is instantly blowing, then you have a direct short between hot and neutral. I'm going to guess that you either put a component where it shouldn't go, or you put something in backwards....
  18. More like the 1999-2009 time frame, but it was...

    More like the 1999-2009 time frame, but it was quite literally everything electronic, not just motherboards. Monitors, power supplies, DVD players, etc.

    The vast majority of the failure was...
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    As someone who installs "professional" cameras,...

    As someone who installs "professional" cameras, you don't have to spend "lots of money" unless you really want to. You can get a good camera in the $150-225 price range with a good resolution.

    You...
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    There is no error, this is normal behavior. ...

    There is no error, this is normal behavior.

    The original IBM PC had a maximum of 1 MB of RAM due to the 808x address bus only having 20 bits. 640k was the standard amount of conventional memory...
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    Yeah, programmers for older EEPROMs never seem to...

    Yeah, programmers for older EEPROMs never seem to be cheap, unlike the new SPI stuff.



    That specific programmer is supposed to work with PLCC-32 chips, but it's out of my price range. Lowest I...
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    Board with corrupt BIOS is ECS, board I used to...

    Board with corrupt BIOS is ECS, board I used to hot flash is ASUS, former is Intel and latter is AMD, they're not even remotely similar other than using the same PLCC-32 LPC BIOS chip.



    Both...
  23. Power components usually go first, or something...

    Power components usually go first, or something shorts to ground.



    It's not "fearmongering", it's fact. 375 degrees is only about half the temperature required to melt solder, and since there's...
  24. If it already wasn't working, then this killed...

    If it already wasn't working, then this killed it.

    375 degrees is nowhere near enough to "reflow" anything. All you did was cause outgassing of toxic substances from the board into your oven and...
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    Problem is that I don't have a programmer, and...

    Problem is that I don't have a programmer, and they're a bit out of my price range.

    USB SPI programmers are dirt cheap, but the kind that can do LPC on PLCC-32 EEPROMs are very expensive.
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