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41 پاسخ به “تاریخچه منابع تغذیه رایانه”

  8. I wonder why he didn't mention the 'legacy' minus five and twelve volt rails still provided on the current power supplies. Do any of you know why they are there? The reason is the original PC's needed the minus five volts for the early RAM chips and the minus twelve volts was for the old style RS-232 serial interface. There you go, now you know why. 11-18-2019.

  12. Oh god, the CPX format seems like a huge mistake… I'm all for innovation, but that's just wrong in terms of the step up in size. – Now we still have larger PSUs, but only when it's necessary and the only difference being the length (as far as I could tell). Like when you pass the 800 Watts or so… They did a great job retaining the format while increasing the tech inside. Right now I have a 750W PSU, which is crazy to think that I used to have the same size box that "only" delivered 500W or less.

  15. There still are some exceptions for particularly demanding GPUs, especially if they come overclocked I suppose. – Like the Vega 56 from Sapphire I got, it COULD work with a 650W PSU, but they actually recommend a 750W. – I think it's a little overkill, especially for the type of computer I've put together, which isn't that monstrous. But I figured that perhaps if I want an even more demanding GPU at least I'll have the PSU for it. AND, it will also run efficiently.

  17. I miss the old days of having a actual on / off switch. These days if you need to power off fast, you have to unplug the system. Though I have never been a fan of "soft" power mainly because it always uses power even when "off".

  19. For a power supply history then start at the real beginning. Starting with 4 words about the IBM PC power supply would be like starting with a 57 Chevy as the beginning of the American auto industry. Most of these histories start in the middle. It's like the researcher forget the decades before they were born.

  20. I remember having and using at school old ibm beige boxes that ran dos and had a hard on off switch and a printer with a long ream of perforated folded paper with tear away edges.

  38. I'm surprised he didn't mention Dell's ATX power supply booby trap in the late 1990s. If you opened that case, you saw what looked like a common, standard Intel motherboard and a common, standard ATX PSU.

    Except they weren't. Both were revised with a different pinout at the 20-pin connector. Mix a standard PSU with that Dell mobo, or vice-versa, and dude, you just fried your Dell! We had a rash of people complaining that I'd sold them 'defective' motherboards when they were trying to upgrade their Dell computers.

    Interestingly, Intel sold the very same motherboard with a standard pinout. The OEM version they sold to Dell was purposely made with that different pinout at the power connector. Likewise the PSU was a standard ATX unit but with the wires switched at the connector.

    Dell tried to play innocent but the fact that they had both the PSU and their OEM motherboards revised tells a very different story.

  39. Today…i just did go home from school and i just wanted to watch LTT And my Corsair VS650 PSU got destroyed from Storm a week ago (i did not turn on my PC since then and iam watching you on smartphone)i figured out my transformator in psu got burned And now i need to buy a new PSU (why i have a bad luck😢)

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