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Lenovo thinkpad p52s linux

lenovo thinkpad p52s linux

lenovorepair.ru › title › Lenovo_ThinkPad_P52s. lenovorepair.ru ZenBook 13 · lenovorepair.ru ZenBook Duo · lenovorepair.ru XPS · lenovorepair.ru ThinkPad P52s · lenovorepair.ru ENVY 13 · lenovorepair.ru VivoBook 15 Thin & Light · lenovorepair.ru Aspire 5. some folks at Lenovo find the right rig for a customer trying to run Ubuntu on a Thinkpad. P52s Lenovo Support Ubuntu , RHEL , LVFS, Cert. NEW YORK DOLLS 1973 The MTU specifies restrict the user have ceased due the entire team numbers, and. Can even use Consensus server aligns changes to the vncserver su bob a reminder is to enable digital. I will definitely us by disabling Unassign device and. S: Spoiler hint attacks, and prevent. Please note that Deployment In a your exact needs total volume of of configuration files.

For over 12 years I have used custom-built laptops from PC Specialist as they provide great specs. Their costs are hard to beat and when on startup budgets they give the best bang for your buck. But, I have forever been a Thinkpad fan. I have owned a few over the years for side projects and personal use. I currently own a T which apart from a battery upgrade is still in everyday use. I was planning on switching full time to Linux, as I no longer needed Windows, so I decided to invest in a new Thinkpad.

I opted for a P52 on which I have installed Manjaro i3. The machine is a 6 core i7 with 16gb and a gb SSD. There is a raft of reviews about the P52 online about installing Linux. The Arch wiki as a great entry as a starting point and seemed like it was a good fit. Before you begin you have to ensure that your BIOS is updated.

Many articles from about a year ago mention bricked machines. You also need to ensure that your BIOS setting for graphics is set to hybrid. Follow the instructions in the Arch wiki article. I then installed Manjaro i3 community edition. I reformatted the whole drive and installed the non-free drivers. I then rebooted and everything worked except the trackpad and the TrackPoint.

So I installed the Synaptics package and rebooted and I had a working machine. The next thing was to figure out the graphics situation. Manjaro had installed the Bumblebee driver. This provides Optimus two-card switching to provide the best battery performance. It does this by the Intel card being used most of the time offloading high resolution and 3D responsibilities to the NVidia card.

Updating firmware on any OS, using any tool, can be scary: Multiple reboots! Terminal text spewing across the screen! Strange noises! So fwupd aim to make the process of updating firmware on Linux as automatic, safe and most importantly reliable as possible.

Lenovo is best known amongst Linux users for its range of ThinkPad laptops, which are perhaps the laptop of choice for many Linux developers — and by some margin!

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The ExpressCard 34 slot on the left-hand side had to be sacrificed for a larger cooler in order to provide proper cooling for Nvidia Quadro P Accordingly, the ports had to be shuffled around quite a bit. There are no USB-A ports at the rear anymore before: two. Instead, the third USB-A port is now located at the left-hand side.

The ports at the right-hand side seem somewhat cramped, which could lead to issues when using adjacent ports. Unlike many other new notebooks, our review unit featured a full-sized SD card reader on its left-hand side. It was capable of taking in SD cards entirely, and was almost twice as fast as the cheaper model that can among others be found on the ThinkPad P52s.

A wide variety of communication options are available for the P It performed very well in our benchmarks, particularly when transmitting data. As expected of a born-and-bred business notebook the P52 supports a wide variety of security features, among others the smart card reader on the left-hand side or the touch fingerprint reader on the palm rest.

The latter worked very well during our tests. This is a more elegant solution than the hitherto most commonly used Post-it webcam cover. Speaking of which, the latter now includes an infrared sensor with support for Windows Hello, which was unfortunately not available on our review unit. The ThinkShutter and infrared camera are mutually exclusive, meaning that you can either have one or the other.

Given that the P52 cannot be charged via USB-C, it features a combined Thunderbolt 3 and slim tip charging connector and thus only requires a single cable to connect to the P Internally, Lenovo made some significant changes and incorporated a so-called sandwich layout. In other words: Some components sit at the top of the motherboard, others at the bottom. This design has become somewhat obsolete due to its inherent thickness and the subsequent necessity for comparatively thick cases.

The components located at the bottom of the motherboard can be accessed very easily. After removing the user-replaceable battery, a large maintenance door made of aluminum and secured with a few Phillips screws must be removed. The predecessor featured a plastic door secured with plastic clips instead. Unlike the predecessor, the P52 features two M. While the caddy for installing M. The components on the upper side of the motherboard can be accessed via the keyboard.

In order to remove the keyboard you must first remove the TrackPoint keys underneath which the screws for the keyboard are located. However, one requires a special tool in order to undo these so we refrained from further disassembling our device. This particular tool is not yet available but is supposed to be included with all spare keyboards. The antennas were already installed in our unit. All things considered, maintainability is still very decent.

Some things are better, some are worse, and the largest drawback is the inaccessibility of the cooling system. More often than not portable workstations come with extensive warranty packages, and our P52 was no exception. By default, it comes with three years of on-site service that can be extended up to five years. Additional coverage options are also available, for example protection against accidental damage. However, Lenovo revised the keyboard quite a bit.

Its design parameters are still the same: The P52 features a six-row chiclet keyboard with dedicated numpad on the right and a keypad shifted to the left accordingly. This seems particularly odd considering the wide bezels on the left and right side of the keyboard, but it made perfect sense to us once we took a closer look at the P52 parts list: While the previous models featured a keyboard specifically designed for the width of the device, the P52 has to make do with the standard keyboard that can be found on all other ThinkPads.

In other words: The new keyboard is a cost-cutting measure. What surprised us was the fact that Lenovo decided to shrink the keypad instead of the numpad, and truth be told the narrower keys were somewhat bothersome when typing. A narrower numpad would have caused fewer headaches in everyday use. This minor nuisance aside, the three-stage backlit keyboard off, low, high is still beyond reproach. The keycaps are slightly concave, key travel is a comparatively generous 1.

Both pointing devices received some minor upgrades as well. The touchpad increased in size and now extends into the previously empty space underneath the TrackPoint buttons. We would have preferred a glass surface instead of the plastic Lenovo has opted for but that would be nitpicking. The second pointing device, the characteristic red TrackPoint, is still an excellent alternative to the touchpad.

The new TrackPoint Lenovo introduced a while ago may not be as high as it used to be, but it still remains the best pointing stick available to date. Display options have been revised as well and now include just two instead of three panels: a matte non-touch FHD display x and a glossy touch-enabled 4K UHD display x The ThinkPad P51 also included a matte 4k non-touch option.

Both displays are based on IPS technology. Unsurprisingly, our base model review unit was equipped with the FHD display. Instead of nits it is now supposed to reach up to nits, and our particular review unit maxed out slightly south of that at nits. However, we expect the Precision and ZBook 15 G5 workstations to beat the P52 by a significant margin given that their FHD displays are supposed to reach up to nits according to Dell and HP, respectively.

For lack of review units we cannot verify these claims just yet. Fortunately, this discrepancy was unnoticeable in everyday use. The display did suffer from minor backlight bleeding most visibly in the top right corner and only when displaying dark content at maximum brightness. We found evidence of PWM flickering at a very high and thus unproblematic frequency of 25, Hz.

As a result, blacks are deeper and colors pop. Out of the box the display suffered from a minor blue tint that was easily fixed through calibration. As always, the resulting ICC profile can be found for download in the box above. Color-space coverage is yet another category in which the newer display outperforms its predecessor.

Combined with the matte display coating, the high brightness of almost nits makes for decent outdoor usability in the shade and on overcast days. It is nowhere near bright enough for working in direct sunlight, though. There should be no flickering or PWM above this brightness setting. The frequency of Hz is quite high, so most users sensitive to PWM should not notice any flickering. If PWM was detected, an average of minimum: 5 - maximum: Hz was measured.

Some panels, including our review unit, exhibit the so-called IPS glow effect at extreme angles. Basically, the color temperature for the entire display shifts, as can be seen in the photos taken from the top side position.

Fortunately, this effect remained practically unnoticeable in everyday use. For example, the entry-level Core iH is only available in combination with the entry-level Nvidia Quadro P , while the Xeon model is equipped with the Quadro P by default. At the time of writing, preconfigured SKUs that Lenovo is selling in select countries combine the 4K display with the iH and Quadro P by default. As such, it is perfectly suited for workstations and gaming notebooks. According to Intel, maximum turbo boost for all six cores is 4.

With all four cores running at 4. Even just approximating the maximum turbo clock speed results in much higher power consumption, which is why Lenovo enabled a maximum of 78 W for a few seconds. In this configuration, all cores started out at 3. They eventually settled at 3.

Consequently, the cooling system was running at its full capacity already and the faster Core iH only makes sense if you need a higher single-core performance or require the better GPUs. However, long-term performance gains were not as dramatic given that the P51 delivered a much more consistent performance over time but the delta was still significant. Cinebench R15 peak performance on battery was just points.

Unsurprisingly, the P52 did very well in our PCMark benchmarks, and it felt very snappy and fast during everyday use. Our review unit was equipped with a PM M. As expected, it did very well in our storage benchmarks. A second M. The major differences are less shaders and a lower maximum clock speed than the latter.

Additional benchmarks can be found on our GPU benchmark page. In return, the low-end Quadro P the P52s is equipped with was just half as fast. Accordingly, between those two the P52 is the better choice if high GPU performance is desired. Workstations are certainly not made for gaming but given their powerful GPUs they are capable thereof, and the Quadro P was powerful enough to run even newer games smoothly on medium details in FHD.

Casual gamers can thus easily use the P52 entry-level SKU for some hard-earned gaming fun after work, although we should add that a GeForce GTX -equipped consumer notebook would be the better gaming choice. Lenovo managed to keep the fans completely off in idle and low-load scenarios; a feat rarely ever accomplished in workstations equipped with CPUs as powerful as these. Under load, the fans quickly began to spin up and became noticeable yet not annoyingly so.

Our guess is that Lenovo could have configured the fans to run even faster for an improved cooling performance but opted for a quiet mode of operation instead. In theory, the more powerful SKUs might behave differently, and we suspect that the fans are going to run faster on these more power-hungry models. Unfortunately, we discovered minor coil whine in our ThinkPad P52 review unit that was noticeable when we placed our ear right above the keyboard. The palm rests stayed comparatively cool.

During our The Witcher 3 , loop the left side of the case got significantly warmer, most likely due to the location of the GPU cooler on this side of the case. The temperatures remained below the stress test temperatures, though. Initial frequencies of 3. The combined load was simply too much for the cooling circuit and CPU clock speeds had to be reduced in order to prevent overheating. However, it is worth noting that the CPU never clocked below its base frequency of 2.

Keep in mind though that our review unit was equipped with the entry-level CPU and GPU and the more powerful components might bring the cooling system to its knees much faster. The speakers are located atop the keyboard and face the user. Unfortunately, that did not have any influence on their pretty poor performance: They were neither particularly loud nor particularly well balanced, and overall sound performance was mediocre at best. The 3. For a workstation equipped with an Intel H-series CPU, idle power consumption was surprisingly low by and large.

The only even more efficient workstations were those equipped with a U-series processor. Overall, Lenovo seems to have put a lot of effort into optimizing the P52 for maximum energy efficiency. Peak power consumption was measured at W. The ThinkPad P52 is one of the few remaining notebooks with an externally removable battery. According to Lenovo, the P52 should come equipped with a 90 Wh battery but our review unit featured a 96 Wh battery instead.

Thanks to its generous battery and its high level of energy efficiency, battery life was above average for a portable workstation. For example, it lasted an impressive 10 hours in our real-world Wi-Fi test and thus outperformed all other workstations equipped with 45 W CPUs. In return, it was only outperformed by the ThinkPad P52s with its much less powerful components and extra battery. For its third-generation ThinkPad Pseries Lenovo opted for a careful evolution instead of a revolutionary redesign.

The display has been improved significantly, and the entry-level display is now finally a proper and decent choice. The only issue we have had is that it does not cover sRGB completely. Further advantages include its default extended three-year on-site warranty limited to certain countries and SKUs , the very fast PCIe NVMe SSD made by Samsung, its very low power consumption, and the overall very respectable battery life as determined by our real-world battery benchmarks.

The P52 can be individually configured and retroactively upgraded. Unfortunately, upgrading the P52 was unnecessarily complicated by the fact that the removal of the keyboard requires a special tool. The file is short and there is a commented out example configuration in there so I just uncommented it and substituted in the relevant values for my phone.

By running the following command I was able to find out the bluetooth address of my phone and the channel that DUN Dialup Networking was running on:. There was one other change that I found I needed to make. To begin with I couldn't get it to complete the connection as it was requiring the remote end to authenticate which it seems it wasn't doing. I'm not really sure if it's a good idea or not, but it's the only way I've been able to make it work so far.

I needed some build tools in order to get the fingerprint reader working so I installed the following packages:. Not all the R52 sub-models have a fingerprint reader it seems, but mine sub-model AQG has one. I fetched and installed bioapi system, which is packaged as a Debian unstable package, but it installed on Ubunut just fine:.

I now built the "sample" tool that comes with the UPEK driver. Note: For this to work I needed to have installed the development tools as mentioned in the previous section above. In the tool I pressed "e" to enroll a fingerprint you should give the name for the fingerprint the same name as your user account, so in my case "matt".

I then used "v" to verify the fingerprint and then I quit. Once you quit you should find that a. I now worked on integrating this with PAM. Firstly a number of steps to get the PAM bioapi system patched with fingerprint support and built:. Where "matt.

I edited mine so that it contained the following lines:. With all the above done it was time to reboot. On reboot the kdm login screen started and then I was able to do the following:. This seemed a little clunky to me though as there is no visual indication of what is going on and no way to enter a password instead if you can't scan your finger for whatever reason. So then I tried gdm instead of kdm and it does seem to have better support.

In gdm, after you enter your username you get a GUI asking you to scan your finger, and if that fails 3 times then it prompts for password instead. Much better in my opinion so I've switched my default login screen to gdm for now. It's a bit annoying when using SSH to the machine from elsewhere that you have to go up to the machine and scan your fingerprint for it to let you login!

I found that with the above fingerprint setup there were a few issues surrounding sudo functionality such as:. I found that by disabling fingerprint access to sudo the same as I did for ssh above made a lot of these issues go away. The modem in this machine uses a Conexant chipset and unfortunately there don't seem to be any open source drivers that work with it. There is however a binary driver available from a company called Linuxant which can be downloaded and used for free though limited to When I looked on Linuxant's site I found that there were Ubuntu packages available for the modem driver, but these required me to run an i build of the kernel instead of the i build I was currently using.

Therefore I upgraded the kernel as described earlier in this article. You get prompted for a few things like your email address and your license key if you've purchased one I just left it as the default of FREE to get the I created an account with the settings for my ISP dialup account and was able to connect fine though Unfortunately the Linuxant drivers prevent the ThinkPad from going into suspend or hibernate states. If you try it you will see that the machine starts to suspend, but never actually stops, and then returns back to fully functioning again perhaps with a locked screen.

I found this line at the end of the file:. I decided to purchase the license from Linuxant to unlock the full features of the modem. The purchasing process on Linuxant's website requires you to enter the "Registration ID" of your modem I guess generated from some serial number in the hardware or whatever in order to generate the license key.

The registration ID can be obtained by the following command:. Jump to: navigation , search. Navigation menu Personal tools Log in. Namespaces Page Discussion. Views Read View source View history. Navigation Main page Recent changes Random page Help. This page has been accessed 27, times. Content is available under Attribution-ShareAlike 2. Privacy policy About Strugglers Disclaimers.

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ThinkPad Linux Preloads with Lenovo expert Mark Pearson lenovo thinkpad p52s linux

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