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About Maxxender

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  • Birthday 02/16/1994
  1. What I was referring to was to cut the black plastic shroud that is on the bottom of the heatsink. It needs to be cut bigger because the 100w GPU cores have a larger surface area than the 75w ones.
  2. I ordered mine on 4/17/13 from Dell via the Alienware upgrade email for $20.99 free shipping. Although took a month to receive it, I wasn't in a rush anyway.
  3. There are many places that talk about the idea of using the 2013 Alienware 18 screen panel or screen assembly on the previous m18x r1 & r2. What I would like to find out, definitively, is could this panel be transplanted into the older generation which honestly isn't the best quality. Alienware 18 has a PLS based screen made by Samsung, which will have all around a better picture as compared to most TN based panels (especially the one found in the m18x). What needs to be discovered: - Alienware 18 screen connector (after this has been answered we can continue to the next set of questions) Is it LVDS 40 pin? Something else? Next up: - Alienware 18 screen assembly dimensions and construction Is it possible to just use the entire 18 screen assembly? **PICTURES! **MEASUREMENTS! This should just about cover what we would need to then allow me, or someone else, to proceed with actual testing. Everyone's help would greatly be appreciated!
  4. The two heatsinks are not the same, the metal heatsink for the voltage and ram are different with different heights on certain raised parts to better fit the chip layout of the 100watt style cards. You can still make it work though, just requires thicker heat pads in certain places. That's how mine is, never goes above 80C with an overclock.
  5. Hot damn, and it's stable? Meaning you can day to day use it to play games without crashing? What are your temperatures? Also what's your core voltage set to? This is pretty awesome
  6. The average for this card is 4320, this sounds like an SLI score to me..
  7. Glad to know they work fine in SLI! Can't beat $390 for 85% of a 680m, ha. Yeah, I can't switch to integrated anymore. Not detected in bios and the fn+I/D and reboot doesn't switch over after reboot just stays on the dedicated. @equalize87 Mythlogic, more on that in the thread I made in Alienware M18x main.
  8. No problem! Strange stuff though isn't it? haha
  9. The short: 675mx is compatible with the m18x r2, however: 1. You need to use dell 680m backplate, or clevo backplate with clevo screws. 2. If you are coming from a 660m you need to buy a 100w Nvidia heatsink, or alter your 75w 660m heatsink [see below]. 3. Custom Inf drivers from LaptopVideo2Go is needed, 314.22 works great! 4. P0 only attainable with AC power (seems to be a normal thing) 5. You lose ability to switch to integrated GFX, not detected anymore. These are my conclusions, if you guys know any fixes let me know! The long: Made the jump to buy a 675mx for my m18x r2 without find any proof that it can be done. I chose to go with a 675mx because for the performance-to-price ratio to upgrade you just can't beat it. (if you prefer Nvidia like I do) The good people at Mythlogic only charge ~$390 for a 675mx (as compared to 500 on ebay lol) [75watt 660m heatsink modification] Before I tore my laptop apart I had been told by Alienware that there was only one kind of Nvidia heatsink for the m18x, this is not the case as it seems. For the 660m Dell made a different heatsink labeled "75w", it appears to use the same amount of copper and surface area but is molded slightly different to properly touch certain parts of the card (power regs, voltage stuff, ect.). Along with that the area for the core to touch the heatsink is smaller and was designed for a lower resting GPU core , so it required some tinkering to get it to work. In this picture I used a razor blade to cut out a bigger surface on the copper base of the heatsink. After that cleaned all the surfaces on the heatsink AND GPU with Articlean multiple times. Pictured beside 660m for comparison. Installed into m18x, applied Liquid Ultra. Applied heatsink, which allowed to you over tighten the screws because the core rests a good 2mm higher then the 660m so be careful! Done! Required heatpad thicknesses for use with 75w heatsink. VRAM: 2mm Square blocks (power regulators?): 1-0.5mm Outer edge chips (voltage regulators?): 2mm Temps are normal: 50-75C max
  10. I used it recently on my 675mx upgrade with a 75watt 660m heatsink. The m18x's heatsinks are aluminium with copper bases, in other words the part that contacts the core is copper so there's no worry of corrosion. Does pretty good job considering I'm not even using the correct heatsink, never gets above 75c. Nothing to write home about but not bad either. Pro tip: you only need the tiniest, teenie tiniest drop. I mean tiny, this stuff seems to grow when you spread it out! When you put the heatsink back on it also seems to "vacuum suck" itself to the heatsink, strange stuff. Edit: Practically impossible to remove excess, so get it right the first time!
  11. Ah, that makes a lot of sense. Coming from a 660m I was able to use it at 100% on battery so I thought something was amiss. Is it typical to lose I/D switching capability when using a Clevo card in a Dell?
  12. Hello fellow m18x r2 owners, I just upgraded the laptop to a 675mx and seemingly it isn't fully recognized by the bios, which just sees it as "Nvidia GTX". The P0 state isn't recognized by Nvidia Inspector either: The card can go into P0 with AC power but stays at P5 when on battery power. Also I can't switch to integrated graphics. Will a modded bios solve any of this? Thanks
  13. Here is a replacement wifi antenna. Amazon.com: Tyco Wifi & Bluetooth Antenna: Everything Else
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