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Found 2 results

  1. Officer Winters

    Need Help Flashing Second GPU

    Hey guys just bought a Lenovo Y510P about 2 weeks ago and I still haven't been able to enjoy it without getting a fire extinguisher ready So I have been reading about its faults and what I can do to help ease them. So far it's been a education. I have the 3.05 mod bios, spring mod, new thermal pads, paste and cut holes for the fans. The thing I am trying to figure out is I can see if gpu-z that one of my GPUS have the [MODDED] next where is says the bios version. Can't distinguish weather its the built in GPU or ultra bay. My money is on the one thats built in. So with that said (might get corrected) but lets say all thats left is to flash and mod the bios on the ultra bay gpu. When I try to save my bios in GPU-Z I get an error with some research its a mobile gpu and thus wont save my bios. I am a little confused on the instructions on how to flash that gpu's bios and what steps I need to take in order to under-volt them. I am able to under-volt one of them assuming its the one that says modded next to it. I am a complete noob when it comes to this stuff but charting into unknown territory is well...lets just say challenging. If someone can please give me a detailed guide on what do to I would really appreciate it. Thanks. Joe.
  2. This is a weird quirk that has stumped me for a long time and I've found nothing through my own extensive research (thanks Intel for your "confidential" PDF collection!) System is M17x R4 running A10 BIOS; Similar behavior seen on M14x R2. Installing RAM faster than original 1600MHz (verified w/ Crucial 1866MHz and Kingston 2133MHz) causes the base speed of the iGPU to idle below the advertised 650MHz. On 3740qm CPU it ran at 350MHz and with 3920xm it runs at 400MHz. It still ramps up as high as 1300MHz as needed for performance but uses a hell of a lot less power at idle - so I really want this behavior! With these power savings, I'm able to run my M17x on battery for nearly 6 hours! Really! Everything works great if I boot on AC power, even if I then switch to battery, even sleep/hibernate. The issue is that if the system is booted from a cold start or rebooted while on battery, the iGPU does its advertised 650MHz (which I do not want) and draws 2+ watts of power from the battery, even to do nothing. It stays like that until the AC adapter is plugged in, at which time it immediately switches down to 400MHz (verified w/ 2 separate 240w adapters.) With the desired behavior - running at 400MHz - iGPU only draws ~0.1 watts at idle doing nothing. It might sound silly but I really want those two watts of power savings ALL THE TIME, which I lose if I'm running on battery and I have to reboot for whatever reason. Can anyone explain this behavior? Has anyone else experienced it? It's not a huge issue but it has perplexed me for so long and I cannot find anything on the topic. I do know that downgrading back to A05 BIOS made my original 3740qm's iGPU run at the lower speed all the time, even when booted on battery, so I'm assuming that would work with this CPU too but I'd like to actually understand what's going on here - and if there's another way to control it. I'd like to be able to force it manually. I have tried lowering the iGPU clock multiplier in both Intel XTU and in BIOS (via the GT overclocking section) but it gets ignored.
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