Throttling on the W520 with Newest BIOS Update?

Hey everyone,
My decision has been a long one, and every time I build up the motivation to upgrade to a W520, I always get worried from the forums. My main concern it the throttling on battery and the stuck cpu clock. As of the latest BIOS update, is all of this resolved? I can handle a little throttling on battery power but 800 MHz is just ridiculous. Before I finally let go of my money, can I buy the W520 in confidence that it won't still have these problems? I will have to use this machine for at least 5 years, and if I have to start with these problems, I won't be a happy camper.
Thank You.
W520 4270CTO / Windows 7 Pro 64-Bit / NVIDIA Quadro 1000M / 8 GB DDR3 RAM / 1080p Display / 500gb 7200 rpm HD / Intel Core i7 2720QM / BIOS 1.39
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Hi, J,
    I think you get a polarized view of the W520 on this board. It is a solid and reliable machine. The throttling problems have been resolved a few BIOS revisions ago.
    Yes, it is not perfect in every way. However, it is a godsend to this software developer. Yes, I use it to do actual work.
    Now that I have sang its praises, I will do a 180 by saying that I would wait for the "W530" at this late stage of the game. It is probably only a couple of months off, and may represent a significant improvement.
    BTW: If you are going to get one, you will get a better deal by going for one of the pre-builts from a reseller like Amazon or Buy.com. It is way cheaper to do this and then upgrade than to have Lenovo customize it for you.
For example, I went this route:
W520 from Amazon
I've seen this model as low as $1360. You can throw in a load of RAM for not much money.
I meant to mention, Buy.com often stocks this machine, and they have a 45 day return policy.
    There's my 2 cents.
                                                                               ZZ

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EricKit
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Quote from: dan.djh on 30-November-14, 23:06:20
I already fixed the IDE to AHCI problem, which was the minor one. Solution for this: Use regedit to change HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\storahci\"Error Control" to 0 and delete StartOverride. Then you should be able to go into BIOS and change to AHCI mode. You'll need to do this again if you ever start up in IDE mode.
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B4 is a USB problem! what USB devices do you have plugged in? (if its a keyboard and/or Mouse please say what they are like make and model!)

Throttling on the W520 with Newest BIOS Update?

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