(EXP GDC Beast v8.4d mPCI-E + GTX970 + ATX PSU) eGPU project for Lenovo IdeaPad Z710, i7-4700MQ, 16GB RAM, SSD, GeForce GT745MBy damianalex
I want to show you my new project.
I bought my laptop about 5 years ago. It was never speed deamon, but for every day use, it was enough to me.
Nvidia GeForce GT745M
512 SSD Adata SU800
Yesterday I bought Witcher 3. Of course on 1080p it's impossible to play, because of about 10fps
So I make a decision to buy external grahpic card.
I choose GTX970 and now I am looking for occasion to buy it.
I've already bought EXP GDC v8.4d mPCI-E. It is used and cost about 30$.
I will use ATX PSU to supply graphic card, because I have old desktop PSU at home.
1) unlock bios
2) buy GTX 970
3) enjoy Witcher 3!
BTW I try to cool down my laptop, so I replaced thermal paste to Kryonout Thermal Grizzly and make some tests. Temperatures and fps are on screenshots.
1) laptop on table, playing GTA V 1080p
- first minute (GPU core 1045MHz)
-after some time, because of high temperature and GPU throlttling (GPU core drop down even to 400MHz)
2) with thermalpad Glacier NC400 SilentiumPC
- 30 minute and longer (GPU core drop to about 900MHz)
3) without down case of laptop (like on picture with thermal paste) on thermalpad.
Here laptop never drops down MHz and max temp are about 72 Celsius degrees.
Bacause of that I bought second down case for my laptop and I will cut there additional holes.
I will describe next step when I get all stuff I need!
I created a case for egpu using 2.5mm acrylic sheets. The first time I created a case to support a GPU + ATX psu
Now I created another one for the GPU with an external Xbox 360 203w psu.
the finish was not good but for my use it is already good.
*both cases album
*Construction of the second case
*adapting xbox psu to 8pin power (taken from 24pin)
all made by hand with the tools I had.
I have recently acquired my Dell Inspiron 15 7000, and I am interested in building an egpu setup for it. It has a USB-C port. Any recommendations/guides out there?
I reversed the input polarity on my m15x jack after a botched psu repair. Computer worked fine, but overall power control is messed up. System only boot on both battery and psu, no battery charge, and a very low battery drain (arround 6wh).
I aways had battery issues whith my 8 years old m15x after my original battery died. Bought a new one two years ago, didn't work. Checked on upower, basically no info on manufacturer, power or history. So i refunded and used the system hooked on the psu as usual. In August i bought a new one, worked flawlessly for a day. The next day the battery died from nowere. Checked upower, bus was ok, battery was charging extremely slowly (6wh), history showed subpar disharge before shutting down. I got mad at this point, decided that psu was to blame. Opened it, checked everything, noticed some wear on the male jack. Resoldered it, connected on computer. Nothing happened, so i checked the voltage. That's when i realised that i screwed up big time. I swaped the positive and negative wires. Decided that one mistake was enough, so i sent my m15x to a trusted repair shop (latter found that they just hooked the battery and gave me back as soon as it booted, they didnt even open it). Got my pc a week later, but the battery didn't charge . Worse, it was slowly discharging (same 6wh as before), and it needed both the psu and the battery to turn on. At 65%, it worked as usual for my college semester, but the battery is dead, and so is my computer. I bellieve i burned some voltage controller or something. I'm pretty competent at soldering thing's (evem smd components) when i know what to do, and i can understand simple circuit's, but when i got my hands on the m15x datasheet i got overblown. I cant make heads or tails about it. I aways lurked this forum and i bellieve your guys are the best when it comes to finding creative solutions to technical problems concerning microelectronics. I followed a guide in this forum as a teenager to upgrade this same computer to a gtx680m, overclocked stuff, got custom bios, and had a lot of fun learning. The m15x is a deprecated platform, but it's a part of my history that i dont want to let go.
So please guys, help me.