I actually did try to do this at one point, and I was reasonably confident about the EC register for fan speed (I think it was 0x21? I didn’t write it down so not 100% sure), but I couldn’t actually control the speed by writing to that register. I’m thinking of making a quick little config profile for NoteBook Fan Control (Windows utility) still charging up to 100%, only if the battery has fallen below (insert threshold here) since you won’t be drawing power from it when you are using it plugged in, so the only reduction would be self-discharge.Īlso, how about a simple “cooling mode” option, without having to adjust a whole curve but there were 2 predefined options, one of which was called “quiet/default” and the second being “Performance cooling” where the fan defaults to a higher value in idle as well as kicking up higher at a lower temperature, so the CPU could spend more time doing it’s “Mobile Turbo” thing. if you’re on a trip but still able to get by with it only on plug power, not using the battery, but you don’t have a good place to unscrew the laptop and take the battery out until you’re done with the trip)Ī “charge threshold” adjustment in the BIOS would have been better (so it would be in effect even when the computer was shut down but still plugged into power) i.e. Still a useful option in some cases, maybe for a slightly expanded battery that you want to keep from getting worse until you can get to a better place to take it apart (i.e. It’s a lot more flexible than the BIOS “battery disconnect” option, which requires a working AC adapter to revert back to normal operation, so if you happen to lose power, you’re shift out of luck. The 80% charge setting will help extend the usable life of the battery for those who use the laptop plugged in more often than they do on battery.
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