RikkaNaa

RikkaNaa

Tesla M40 Hands-on Experience

About#

Bought a Zero Moment SER5 MAX, couldn't bear the weak performance of Vega 7
But I still wanted portability, so I chose to use NVMe to SFF-8612 (OCuLink), and if I want to take the computer away, I just unplug the cable
Using the open source universe's EG01, there is a nice stand
The main reason for choosing the Tesla M40 graphics card is actually because I don't have money (x
The performance is okay, the memory is large, and the key point is that it's cheap
image

Process#

Arrived, plugged in, turned on, easily passed self-test
It was actually an expected problem, couldn't find the Above 4G Decoding option even after flipping through the entire BIOS, still the same with UAFB
After searching, I saw a tutorial, used UEFITool to find the VarStoreInfo of Above 4G Decoding and forcefully enabled it with modGRUBShell
(Attached: SER5 MAX's VarStoreInfo is 0xF7)
After enabling it, the computer can be successfully turned on
Next is the normal process of installing drivers~~, modifying the registry to enable WDDM (reference)~~
In fact, it's not necessary, just run as administrator

nvidia-smi -dm 0

to switch to WDDM mode
It's even easier on Linux, just install the proprietary driver and it can be used for graphics rendering directly
But pay attention to disabling GSP-RM, otherwise there will be a problem of low frame rate and unable to go up (source)

sudo su -c 'echo options nvidia NVreg_EnableGpuFirmware=0 > /etc/modprobe.d/nvidia-gsp.conf'
sudo update-initramfs -u #Debian/Ubuntu
sudo mkinitcpio -P #ArchLinux
reboot

Performance & Benchmark#

Horizon 4: High preset in Linux, 1080P at a steady 60 frames per second with occasional minor stuttering, 2K can run at 55-60 frames per second, with more frequent minor stuttering but it doesn't affect the game much
To do

User Experience#

The graphics dock can be randomly turned on and off, which is great, no need to keep pressing the power button
The fan is from EVGA's 980Ti, modified with temperature control, very quiet when not gaming, and not too noisy when gaming
Temperature control is very good, no matter what game I play, it won't exceed 50℃

This article is synchronized and updated to xLog by Mix Space
The original link is https://rikka.im/posts/dev/tesla-m40


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