Khenglish

Even if the 700 and 800 series did work easily with your laptop, the cost savings for going with them vs the 970m is not really worth the performance loss. The 980m does have a significant edge over the 970m, but its only worth the cost if you really want the best there is. If you're from the US ordering from rj-tech will also get you the upgraded heatsink. In their laptop selector say you have a P150SM, P157SM, P170SM, or P177SM. Their heatsinks are all compatible with your laptop. If you're not US, ebay is likely your best bet.

970m is likely best for your buck. 700 and 800 series cards are tricky to get working.

Yup guide here Yeah your system does not like the me fw meant for someone else. Basically download the program set and make the same changes to your original me fw dump as the dump you tried.

@Ihab The default power brick should be fine if you aren't overclocking. The cpu will run on the warm side, but it will be fine if you paste it well.

Probably ebay is your best bet. Get a p150sm, p157sm, 170sm, or p177sm nvidia heatsink. The heatsink can be for the 780m, 880m, or 980m. If you get one for a card other than the 980m, you'll need to reuse a thermal pad from the 680m's heatsink to cover the 3rd core inductor on the 980m.

@MUNKYPOO Are you reusing the 680m heatsink or using a 980m heatsink? The 680m heatsink is usable but the 980m heatsink performs around 8c better under load.

What's referred to as optimus amongst the eGPU crowd is not what Nvidia calls optimus. You'll get the performance improvement with and Nvidia GPU released within the past 5 years.

May 27th is the 1080 release date. June 10th is the 1070 release date. Top end mobile cards cost $700 so Nvidia definitely could sell it as the same specs as the 1080 but with reduced clocks and voltages. The problem is they won't to milk the market. In roughly a year they'll release a GP100 variant for desktops and finally give mobile users the card they could have had a year before. This is exactly what they did with kepler cards. Maybe if AMD mobile cards are good Nvidia will have pressure to release something better earlier, but right now Nvidia is beating AMD to the finfet GPU launch so we're getting a cut down card. The only question is how cut down.

So the desktop 1080 was announced. Specs are: 2560 cuda cores 8GB GDDR5X (these memory names are getting stupidly long and the memory isn't even DDR) 1733 boost clock, 1607 base clock 10GHz memory 180W TDP What and when do you think will show up for the 1080m? I'm thinking we'll likely get 1920 cuda cores. The memory is the big question. Will laptops get GDDR5, or GDDR5X? Usually laptop cards closely mirror the x70 series of a GPU lineup, which for the 1070 is GDDR5 still. The current generation was a bit of an exception though as the 980m had 256-bit memory, while the 970 was 224-bit. If its GDDR5X I'd very strongly consider getting one, but it not I'll definitely wait and just try to get more out of my 980m. As for when the card shows up, for 28nm the 680m was announced 4/6/2012, while the 680 was announced 3/22/2012. I don't know when the 680m was actually available though relative to that announcement. The 1080 is supposed to be available May 27th. Anyone more familiar with previous card releases have any guesses on when the 1080m will be available?

@tmash Nice clocks. Kepler has a good IMC, but for reasons unknown memory never clocked well on the 600m series cards. Good to see the 770m was better. You can't remove memory from a card. On the 16 chip cards 16 bits of memory interconnect are wired to each chip. If you pull a chip you lose 16 of 256 bits. 8 chip cards meanwhile have 32 bits wired to each chip.

Yeah you can't use a breadboard for anything higher than a few MHz. Breadboard connections are too poor. You need well soldered connections for 5GHz.

@Prema A memory overvolt is actually really easy on that laptop. Its easy to do with a pencil mod. The memory VRM is NCP5214. Find this chip, then find PR100 on the mobo near it. This resistor is 3.3k by default. Vram = .8V * (4.3k + PR100) / PR100. Default voltage is actually 1.84V, not 1.8V like it should be. Since you can get 186 MHz at 4-4-4, 1.95V to 2.0V should get us 200 MHz base FSB for 800 MHz RAM stable. This corresponds to pencilling PR100 down to 2.867k Ohms for 2.0V, or 2.99k Ohms for 1.95V.

@Prema Hmm. weird CAS5 is no go. Most DDR2 is CAS5. It'd be a shame to set it to 533mhz and lose synchronization with fsb clock. That will hurt latencies a lot. Maybe 1 stick is better than the other? You don't need dual channel with the RAM clock matching the FSB clock so you could pull one. That likely only leaves you with 2GB of memory though. We could always overvolt the memory.

Modding the pll will change the fsb strap so you'll still have stock sata, pci, and pci-e. I've found pci-e to crap out between 10 and 20% overclock on most systems, so if you're getting a hard instant screen freeze, that's likely your problem. Pci instability can cause that as well. Memory is usually a bsod if unstable. I looked up your pll for you. Remove resistor R70 from the motherboard and solder pins 60 and 61 together on the pll. Your pll is ICS9LPR310BGLF. This has a 100% chance to work as long as the cpu has enough volts for 2.8ghz or you drop the multiplier, and the memory timings are loose enough for 800mhz. I've done this mod to 2 laptops. Fun mod.

Come on Prema, if you're using oldschool hardware you need to do the oldschool mods. 667 to 800 fsb mod on that pll for 2.8ghz is easy stuff. Then you do the socket vid mods to make it stable. If you link me the PLL datasheet I'll tell you what to solder. Usually just 1 dab between 2 pins is needed.

@Prema The M570U is from before Clevo picked up MXM right? So that's the fastest card you can drop in? Overclocking the CPU is huge for 3dm06. Time to look up that PLL on the motherboard.

Are you running any vbios mods or overclock?

Are you doing an x1 or an x2 link? If you're doing x1 then yes you will get a big performance improvement by disabling the dgpu and enabling the igpu.

If it does turn out to be the same PCB as the 980m, please post very high res

The memory chips on that M5500 pic have 2014 dates on them and 5GHz speed rating. It looks like an MSI 980m card.

100%.

Could you just unplug the internal screen's lvds cable to prevent the boot issue and then use an external desktop screen to see?

Do you have the model with the NVS 4200m, or is yours integrated only?

That should work, but I'd probably not daisy chain the 2nd 6-pin connector off the 1st 6-pin, and instead split from the the DA-2 connector like the barrel connector.

You can use it for both an enclosure and adapter. I am not aware of a cheaper unit which includes an enclosure.