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  1. The easy way to replace a header like that is to...

    The easy way to replace a header like that is to grab one of the pins with a pair of pliers and heat the base and pull the pin out once the solder melts, then repeat that 33 more times until all of...
  2. The ISA bus amazingly never had a defined clock...

    The ISA bus amazingly never had a defined clock speed, so there's technically no overclocking, just setting an arbitrary clock speed.

    Earlier ISA cards may be more sensitive to bus speed,...
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    You do realize this thread is nine years old and...

    You do realize this thread is nine years old and the OP hasn't been to these forums since that time right?
  4. It wouldn't be hard to remove that broken pin,...

    It wouldn't be hard to remove that broken pin, the issue like you said is melting the plastic. It wouldn't be easy to lift the plastic up without damaging the PCB underneath since those pins are...
  5. Very surprised the capacitors haven't leaked. I'd...

    Very surprised the capacitors haven't leaked. I'd still recommend changing them as a matter of preservation. They will leak eventually and it's better to change them before they start. The PSU...
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    I'd recommend a desoldering gun rather than those...

    I'd recommend a desoldering gun rather than those spring loaded junkers. Desoldering braid is another option, it just take a lot longer to remove large pinned chips.
    ...
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    I very much doubt its a fuse, I've plugged an AGP...

    I very much doubt its a fuse, I've plugged an AGP card in backwards once and while it nuked the card, the slot survived.

    Have had plenty of motherboards though where the slot or a card stopped...
  8. You'll definitely want to open the Mac SE and...

    You'll definitely want to open the Mac SE and remove the PRAM battery and hope it hasn't leaked everywhere, same with the LC III. Unfortunately for the SE though, it requires removing the back shell,...
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    Before you try and ship it off somewhere, I'd...

    Before you try and ship it off somewhere, I'd recommend hosing the AGP slot down with deoxit gold, as well as the AGP card itself.

    Old slots and cards tend to have problems with oxidation causing...
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    The Dallas RTC battery being flat can cause a...

    The Dallas RTC battery being flat can cause a machine to not work properly, since the battery is also used to hold the CMOS settings. You'll want to get that sorted out before troubleshooting further...
  11. DRAM can hold its contents for a variable amount...

    DRAM can hold its contents for a variable amount of time after power is removed. Several factors determine this time, including environmental temperature; But the longer it goes without power, the...
  12. I've seen failing line capacitors cause power...

    I've seen failing line capacitors cause power supplies to whine, chirp or make ticking noises.

    Here's an example on a power supply I repaired a bit over a year ago.
    ...
  13. As with many MOS/Commodore ICs, the PLA had a...

    As with many MOS/Commodore ICs, the PLA had a high failure rate. If the chip is too hot to touch, it has failed internally and needs to be replaced.

    I wouldn't leave the failed PLA in circuit...
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    There are only a handful of major DRAM...

    There are only a handful of major DRAM manufacturers in the world that make the majority of memory used by the world. Compatibility is mostly down to module configuration, memory density and SPD...
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    Common issue on laptops is the heatsink gets...

    Common issue on laptops is the heatsink gets blocked with dust. It can get so thick that it 100% blocks the exhaust with what looks like a sheet of dryer lint. Try blowing into the exhaust port with...
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    PSUs usually have a 3-5 year warranty on the low...

    PSUs usually have a 3-5 year warranty on the low end and 7-10 years on the high end. Even if it is not under warranty, it's still cheaper to invest in a new power supply than a new video card.
    ...
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    The HD 7450 is a massive downgrade from a GTX 560...

    The HD 7450 is a massive downgrade from a GTX 560 Ti.

    https://gpu.userbenchmark.com/Compare/Nvidia-GTX-560-Ti-vs-AMD-Radeon-HD-7450/2180vsm8053

    I'd recommend RMAing the power supply first.
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    They're good laptops when they work. I have one...

    They're good laptops when they work. I have one that had a Turion 64 x2 in it, it worked great for awhile but developed a fault on the motherboard and randomly shuts off. The screen is nothing to...
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    Video card manufacturers usually quote power...

    Video card manufacturers usually quote power requirements based on an average system configuration, not the card itself. You have to dig around on Nvidia's website or Wikipedia to get the actual...
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    The GTX 560 Ti is not a high demand video card....

    The GTX 560 Ti is not a high demand video card. At max draw, it's only shown to pull 170W. I've had higher demand video cards on similar power supplies with no issues, so I suspect you have a faulty...
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    Usually the spindle motors get gummed up from the...

    Usually the spindle motors get gummed up from the old lubricant rotting away. I've found running such drives upside down allows them to run again, for awhile at least.

    I've experimented with...
  22. The LCD panel itself is two pieces of glass...

    The LCD panel itself is two pieces of glass sandwiched together, the white film that's deteriorating is the reflective layer and just serves to make the image inside the LCD panel more visible. You...
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    Bad capacitors can definitely cause any Mac to...

    Bad capacitors can definitely cause any Mac to not boot.

    I can recap your logic board if you aren't able to. I recapped a Quadra 605 for another member here not too long ago.
  24. PCBs with literally any vintage of tantalum...

    PCBs with literally any vintage of tantalum capacitor, whether it be a few months or 40 years old going out with violent detonation prove that statement false. Tantalum capacitors are not a safer...
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    I know of Geoff's work on removing the memory...

    I know of Geoff's work on removing the memory limitation in 32 bit versions of Windows.

    Video RAM and any bit of memory on peripheral devices, as well as devices that are memory mapped will eat...
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