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Christopher Ross
Christopher Ross


X.PC is a deprecated communications protocol developed by McDonnell-Douglas for connecting a personal computer to its Tymnet packet-switched public data telecommunications network. It is a subset of X.25, a CCITT standard for packet-switched networks. It is a full-duplex, asynchronous and error-correcting network protocol that supports up to 15 simultaneous channels. It maintains automatic error correction during any communications session between two or more computers.

x, PC


X.PC was originally developed to enable connections up to 9600 baud. Unlike MNP, a competing standard proposed by Microcom, X.PC was placed in the public domain for royalty-free usage. MNP, on the other hand, initially required a $2,500 licensing fee. Microcom battled X.PC for acceptance in the marketplace, and eventually released MNP 1 through 3 into the public domain to compete.[1]

At the time, several modem manufacturers supported MNP in their products, Microcom and Racal-Vadic being major examples. Several companies announced support for X.PC, including Hayes, but none of the companies announcing support offered it in their modems.[1] X.PC quickly disappeared, and Microcom would go on to release MNP 4 and 5 into the public domain as well.

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Designed for gaming from the ground up, this revolutionary tower has no equal. Insane power and innovative cooling easily take on the latest AAA games, even at their highest settings. And with an easily upgradable custom case, this rig can evolve to satisfy any future performance demands.

Want to build your own ultimate gaming machine? Start with the OMEN X Case, the same innovative chassis as the OMEN X desktop but without any internals, so you can create your ideal rig. Its tri-chamber design isolates the hottest components and delivers easy access to the internals, while the advanced lighting system gives you control over 9 lighting zones.

Experience the pinnacle of gaming performance with OMEN and MAINGEAR. Using the OMEN X chassis, the experts at MAINGEAR are crafting custom, highly-tuned gaming PCs with dual GPU solutions, 12-core processors, unrivaled customization, and hand-crafted liquid cooling. Simply put, nothing else compares.

When all your components work together just right, your enemies might as well prepare for the worst. With cutting-edge features like 12,000 DPI on the OMEN Mouse, blue mechanical switches on the OMEN Keyboard, and virtual surround sound for the OMEN headset when plugged into the DTS Headphone:X jack, your opponents won't be able to gain the upper hand.

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Ultrabook, Celeron, Celeron Inside, Core Inside, Intel, Intel Logo, Intel Atom, Intel Atom Inside, Intel Core, Intel Inside, Intel Inside Logo, Intel vPro, Intel Evo, Itanium, Itanium Inside, Pentium, Pentium Inside, vPro Inside, Xeon, Xeon Phi, Xeon Inside, Intel Agilex, Arria, Cyclone, Movidius, eASIC, Enpirion, Iris, MAX, Intel RealSense, Stratix, and Intel Optane are trademarks of Intel Corporation or its subsidiaries.

In-home warranty is available only on select customizable HP desktop PCs. Need for in-home service is determined by HP support representative. Customer may be required to run system self-test programs or correct reported faults by following advice given over phone. On-site services provided only if issue can't be corrected remotely. Service not available holidays and weekends.

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*SpencerLab Sept 2021 study of printer inks sold in North America commissioned by HP for on-average performance of 16 brands of non-HP refill, remanufactured, and imitation cartridges vs. Original HP Ink SKUs 952XL, 63XL, 902XL, 950XL, 951XL. To account for reliability-driven supplies issues, defective and failed cartridges were included in the page yield calculations. Consequently, the reported page yield numbers are not based on ISO/IEC 24711 standard methodology, as it requires defective supplies be excluded from page yield calculation. See -NA-2021.pdf

Help protect your printer and your data with Original HP cartridges: HP office-class printing systems are select Enterprise and Managed devices with FutureSmart firmware 4.5 and up, Pro devices, LaserJet models

Cross-platform support is becoming more important in the world of video games. Multiplayer hits like Call of Duty: Warzone and Fortnite have pushed crossplay into the limelight, and now most AAA multiplayer games release with at least partial cross-platform support. Finding every cross-platform game is no easy feat, though, so we did the hard work to bring you a comprehensive list of games that support crossplay.

Upgrade your lifestyleDigital Trends helps readers keep tabs on the fast-paced world of tech with all the latest news, fun product reviews, insightful editorials, and one-of-a-kind sneak peeks.

PC-ABS is a strong, engineering-grade material that has both a high heat resistance and high impact resistance. When ABSdoes not provide a high enough impact resistance, but high heat resistance is still required, PC-ABS is a great alternative, dueto the addition of polycarbonate.

With today's launch of the Xbox Series X, it's clear the new gaming generation has begun in earnest. The PlayStation 5 (opens in new tab) is following this week, but Microsoft's Series X will remain the most powerful games console ever made. But how much does that really matter and how does that stack up against today's gaming PCs? And should us PC people consider the Series X as a viable second machine, or even a replacement for our aging rigs? Heresy, I know...

Quite apart from the fact that everything uses the same x86 CPU base, in terms of the actual games themselves, both the Xbox Series X and Sony PlayStation 5 are putting players through the same settings wringer us PC gamers have been dealing with since time immemorial.

No longer is the console gaming experience universal for all players. Different levels of hardware, screen tech, and the personal prioritisation of either fidelity or frame rate, all mean that not every next-gen game plays the same for everyone.

But because the consoles now have different levels of tech, and the games are designed with different performance presets, developers are now putting more choice in front of the players, whether they want it or not. That means games will now ask you to choose whether you want to prioritise image fidelity or frame rate, and you can subsequently dive into the settings menu to pick and choose.

Microsoft has not been messing around with the component makeup of the Series X, taking an eight-core, 16-thread Zen 2-based CPU from AMD and pairing it on a single chip with a GPU based on the red team's new RDNA 2 architecture.

That's a bit of a mix and match of current and next-gen architectures, with the central processor being cribbed from the existing Ryzen 3000-series, rather than AMD's Ryzen 5000 (opens in new tab) chips also launching today. With the 3.6GHz all-core clock speed, that makes it effectively equivalent to a Ryzen 7 3700X (opens in new tab) processor.

Which, to be clear, is a frickin' excellent CPU in its own right, and especially against the weak-heart Jaguar cores which wheezed along inside the last-gen Xbox machines. No matter how much graphics silicon Microsoft threw at the ol' One X it was those old-school, pre-Zen AMD cores which struggled to keep it fed, especially if you weren't GPU-bound and maxing out at 4K.

The RDNA 2 graphics silicon offers twice the raw computational power as the previous MS big boi, the Xbox One X. It's the very latest in AMD GPU tech, taking the 7nm Navi-based architecture we're going to see in the company's RX 6000-series graphics cards (opens in new tab) later this month and squeezing it down into a single SoC.

In terms of a rough equivalence, its 52 compute units put it just under an RX 6800 (opens in new tab) and comfortably ahead of the RX 5700 XT (opens in new tab) of the last Navi generation. It's actually clocked in impressively high too, running at 1,825MHz, while the RX 6800 is listed by AMD as coming with a 1,815MHz Game clock. 350c69d7ab


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