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SuperMG

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SuperMG last won the day on September 29 2025

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  1. SuperMG
    Hello. I've been intrigued a lot about why anything above GTX 680M Kepler won't work on this LVDS X7200 laptop? For example Quadro K3100M, GTX 780M, 880M, 970M, 980M won't work in the master slot, despite having the same LVDS port for the internal screen. These cards do support legacy and legacy oprom. Even I got a GTX 970M, 980M and Quadro P5200 to work in the slave slot! With Legacy and UEFI VBIOSes. The BIOS recognized them as the 2nd NVIDIA GPU. Even the RTX 4070 MXM was detected!! So my point is... There's maybe a whitelist of GPUIDs for the master slot. But some could say that the GTX 700M to 900M needs some partial support for UEFI in order to work and display... Even though these generations support both legacy and UEFI. It's not about the LVDS port. It's about the BIOS. Is there a way to remove the GPU whitelist from that Phoenix BIOS? So we can add a GTX 980M as the best card in terms of LVDS compatibility? I see that the Alienware M17X R3 and M18X R1 could support up to an GTX 780M and GTX 880M for the master slot. Even the 1st gen core i M15X can support up to a GTX 980M... Any bios modders? Prema? Svl7? Baked?
  2. SuperMG
    Hello. You're sure it's an eDP variant and not a LVDS one? If it's eDP. Please switch to iGPU and see if the Nvidia is detected as switchable graphics. If it's detected then it works. Test HDMI and DP output if the Nvidia driver is present and see if any of these external output work with your Nvidia GPU. Maybe for the internal eDP display, you have to switch to UEFI in the BIOS settings and disable Legacy OPROM too. The M6800 eDP is compatible with Quadro M5000M, RTX 3000, 4000, 5000 and even RTX 4070, 4080 MXM with some backlight mods. Yes the automatic fan control works.
  3. SuperMG
    I got the HP RTX 3000 to work in DC with the Dell M6700.
  4. SuperMG
    Hello. This GPU doesn't have backlight pins set. So even if your laptop supports eDP on DP_D, your screen will stay black. There is a dirt cheap RTX 3000 for 99€ on ebay, it's the HP variant with the backlight pins.
  5. FrancoTecno started following SuperMG
  6. SuperMG
    Nothing in red or in purple. The hotspot limit is 105C for the RTX 4080 I have.
  7. SuperMG
    It could maybe be a driver issue because I didn't have any thermal throttle on the graph. Because I couldn't even edit anything in the Nvidia control panel, I probably did a bad installation thru NVCLEANSTALL. But anyway this heatsink isn't suitable for the RTX 150W. Even for the 135W ones... But the M6800 heatsink sounds more promising because it has a little bit more of endurance and I have the ones with the bad heatpipes! Edit: Cicichen didn't answer today for the new heatsink, this person told me that the new heatpipes are made and they need to get soldered. Which means the M6800 heatsink will finally fit.
  8. SuperMG
    Does the G1 support eDP on DP_D? You can drop an RTX 4000 or RTX 5000 from HP. I dropped an RTX 5000 HP for the Dell precision M6700 eDP 120Hz edition.
  9. SuperMG
    The GPU was at 80-90W during heaven in the M6700, with a max of 120W. M6800 was at 115-125W during the heaven benchmark, with a max of 150W.
  10. SuperMG
    I tested the Quadro RTX 5000 MXM on the M6700 120Hz and I get 185FPS on heaven benchmark... So more than the 4080??? That's strange and yes I didn't use the same drivers. Although I used the same drivers version for the 4080 on the M6700 and M6800. Furmark: Quadro RTX 5000: 90FPS RTX 4080 heavily thermal throttled: 262FPS (M6800 eDP) 4080 heavily thermal throttled: 290FPS
  11. SuperMG
    I tested with the Cicichen heatsink, it's poor performance way way poorer than the M6800 with bad heatpipes... Waste of 100 USD to be honest. 3 heatpipes full copper, can't handle 150W... Heaven benchmark good temperatures but... On M6800 I get 245FPS and on M6700 I get 170FPS... Furmark seems similar, mostly throttled because of the thermal throttle. Userbenchmark doesn't power throttle. I get 86% on M6800 and on M6700 66%. Both laptops can do 150W max on the MXM slot. I compared the numbers and only one of the benchmark had a bad result, the rest were the same as on M6800. But I don't understand why there's a big FPS gap in Heaven benchmark... The temperature stayed the same for both M6700 and M6800 heatsinks. The 3940XM is way better than the 4940MX in scores, so that's not a CPU issue.
  12. SuperMG
    Just get a 100% working CMOS battery, set the bios to UEFI and no LEGACY OPROM and there you go. RTX Ada working on eDP 1080p 120Hz. No Optimus, no MUX Switch. If we set to UEFI and LEGACY OPROM enabled, the GPU displays 4-5 blinking on the top left corner of the screen and then... Nothing. No boot, laptop stays on. Now I need to figure out how to disable the LEGACY OPROM. I'll probably disassemble the whole laptop, unplug the eDP LCD and force the boot to HDMI out. Legacy works with HDMI because I tried once and I can disable LEGACY OPROM so I'll obtain the eDP display back. I enabled the legacy oprom to use the shell grub...
  13. SuperMG
    90W no issues. So anything above 100W = issue. Are your VRM/Coils cooled? Thermal pads touching the heatsink? You should try with the RTX 5000 HP variant and see the results. It's a 110W to 115W max TDP card and see if the TDP issue persists or not. HP is better because the GPU has the backlight pins integrated in the circuit board.
  14. SuperMG
    Anything eDP is related to the dGPU unlike the M6800. The M6800 can do iGPU or dGPU in eDP. The M6700 has 40 pins and 4 lines so that's good. Easy 1080p 120Hz and 1440p 120Hz. The M6800 is stuck at 1080p 60Hz.
  15. SuperMG
    I already did that, very hard to remove the soldered joints but was able to get a working battery.
  16. SuperMG
    Me and one guy weren't able to get the RTX 3000 from HP to work with the M17X R4 eDP. In LEGACY and in UEFI. It's a 8 beeps. However with a M6700 eDP, the RTX 3000 from HP works in both LEGACY and in UEFI. Also you have the ADLINK version of the RTX 5000 which means your card lacks the backlight pins.
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