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ASUS Announces Zen3 Support BIOS updates for AMD 500 Series Motherboards

ASUS today announced the Republic of Gamers (ROG) Crosshair VIII Dark Hero, TUF Gaming X570 Pro (WiFi) and ROG Strix B550-XE Gaming WiFi—three gaming motherboards designed for gaming builds featuring the latest-generation AMD Ryzen Zen 3 architecture processors. In addition to the latest X570 and B550 motherboards, all ASUS 500 series motherboards (X570, B550 and A520) are ready for AMD Ryzen Zen 3 architecture processors.

ROG Crosshair VIII Dark Hero
The AMD X570 platform features extensive PCI Express 4.0 connectivity ripe for the latest graphics cards and SSDs. The chipset's copious bandwidth necessitates a robust cooling solution to deliver sustained performance, and that challenge is typically tackled by neatly pairing a heatsink with an embedded fan that spins up on demand. ROG Crosshair VIII Dark Hero is the first ASUS X570 board to implement a completely passive cooling design, featuring a sizeable heatsink that extends from the chipset zone to the space between the PCIe slots. The additional surface area helps keep thermals under control even when the motherboard is loaded with a full complement of hardware, laying a compelling foundation for enthusiast PC builds.

AMD Updates its Chipset Drivers, Includes Updated Power Plan for Ryzen CPUs

In the anticipation of the AMD Ryzen 5000 series of CPUs launch based on Zen 3 architecture, AMD has just released the updated drivers for its chipsets. Covering a wide selection ranging from B350, A320, X370, X399, B450, X470, X570, B550, and TRX40 Chipset, the updated chipset drivers include some bug fixes and new features. Now there is an updated power plan for AMD Ryzen CPUs that coordinate with chipsets, which means that AMD engineers have developed a new plan for Windows 10 OS which provides the best performance and power usage. You can check out the fixes listed below and you can go to the download link to install the new drivers.
Download: AMD Ryzen Chipset Driver 2.10.13.408.

ASRock Announces AMD Ryzen 5000 Series Support for its AMD 500-series Motherboards

The global leading motherboard manufacturer, ASRock, announces its AMD X570/B550/A520 motherboards series will support next generation AMD Ryzen 5000 Series processors via BIOS update. The next generation processors come with a full suite of technologies designed to elevate your PC's processing power. Update to the latest BIOS and get ready for the unmatched performance as well as latest technologies with AMD Ryzen 5000 series processors.

Look for the following BIOS version numbers in the downloads section of the product page of your motherboard on the ASRock website.

Razer Announces Expansion to Many More Gaming Peripheral Segments at RazerCon 2020

Razer, the leading global lifestyle brand for gamers, made October 10, 2020 a day to remember for the global gaming community. Fans across the world tuned in to the inaugural RazerCon to watch Razer CEO Min-Liang Tan's live mixed-reality keynote - a one-of-a-kind interactive session hosted against the iconic Singapore skyline. This was followed by Razer panels on new and unannounced products, and exclusive content showcases and giveaways from game studios such as Romero Games, Perfect World Entertainment, Paradox Interactive and technology partners such as Intel, NVIDIA and Western Digital.

The event was a huge hit with the fans, peaking at over 1 million concurrent viewers with a total of more than 250,000 hours viewed and 175 million impressions across Twitter, Facebook, YouTube, and Twitch. In a true celebration of all things gaming, highly decorated veterans of the industry, including Brenda and John Romero, and Haz Dullul, presented their newest projects, whilst leading gaming celebrities CloakZy, CourageJD, PaladinAmber and many others engaged with the community during their sessions.

Razercon 2020: Tomahawk Cases, Blade Stealth with Tiger Lake, and AM4 Motherboards

Razer today kicked off Razercon 2020, its first annual virtual conference for gamers. The company announced entry into several new markets, including a foray into the DIY PC components market, and showed off its updated notebooks. To begin with, the company unveiled its Fall 2020 update to the Razer Blade Stealth 13 ultra-portable gaming notebook, by giving it cutting-edge 11th Gen Intel Core i7 "Tiger Lake" processors. All models combine an i7-1165G7 processor with GeForce GTX 1650 Ti graphics, but vary with display options, which include Full HD 60 Hz, Full HD 120 Hz, 4K 60 Hz touchscreen, and Full HD 60 Hz OLED.

Next up, is the Tomahawk line of cases. These come in two main variants, the Tomahawk ITX and the Tomahawk ATX (corresponding with the Mini-ITX tower, and ATX mid-tower form-factors). Built in distinct Razer industrial design, with a focus on gamer-related connectivity, low noise, and low temperatures, these cases combine steel with hinged tempered glass panels on both sides. The ATX version has room for graphics cards up to 38 cm in length, CPU coolers up to 17.6 cm in height, and features a conventional horizontally partitioned interior layout. The ITX case takes in graphics cards up to 32 cm in length, 16.5 cm tall CPU coolers, and a 240 mm x 120 mm radiator. Both cases feature the "Chroma Underglow," a set of RGB LED elements that project a soft glow underneath the case.

ASUS Also Unveils ROG Strix B550-XE Gaming Motherboard

As we explained in our older article about the new ASUS ROG Crosshair XII Dark Hero, AMD's Ryzen 5000 series Socket AM4 processors based on the "Zen 3" microarchitecture are unlikely to be accompanied by a new chipset, presenting motherboard makers with the opportunity to refresh their AMD 500-series chipset product stacks with new products. ASUS has a new premium product based on the AMD X570, in the form of the ROG Crosshair VIII Dark Hero. The company also unveiled a premium product based on the AMD B550 chipset—the ROG Strix B550-XE Gaming. While the Dark Hero is an incremental upgrade over the original Crosshair VIII Hero while retaining the PCB design, this particular board appears to be largely based on the ROG Strix B550-E Gaming.

ASUS has traditionally used the "XE" brand extension for ROG Strix series motherboard refreshes to denote improved CPU VRM, and this appears to be the case with the B550-XE Gaming, too. The board features a meatier 16-phase CPU VRM, with a more elaborate VRM cooling solution that uses larger heatsinks, which are interconnected by a flat heat-pipe, and unless we're mistaken, a 40 mm fan underneath the rear I/O shroud. The rest of the board's feature-set appears to be identical to that of the B550-E Gaming.

ASUS ROG Crosshair VIII Dark Hero Motherboard Pictured

AMD is expected to announce its 5th Gen Ryzen Socket AM4 processors based on the "Zen 3" microarchitecture later today, and it's rumored that these chips will not be accompanied by a new chipset. Motherboard vendors aren't missing the opportunity to refresh their product-stacks with new boards based on existing AMD X570 and B550 chipsets. ASUS has a new premium Socket AM4 product in the works, the ROG Crosshair VIII Dark Hero. We know this board is based on the X570 from its unchanged generation number "VIII," for this chipset.

From what we can tell, the ROG Crosshair VIII Dark Hero is based on an identical PCB design to the original Crosshair VIII Hero/WiFi. The changes appear to be cosmetic, with all of the board's heatsink design and color schemes aligning with the company's latest ROG generation (eg: the Maximus XII Hero). Another interesting spot by our readers is that the board lacks a chipset fan, and makes do with passive cooling for the X570. Dark, diagonal ridges replace the smooth brushed metal with chrome-like accents of the original. It remains to be seen if the new wave of AM4 motherboards come with out-of-the-box support for Ryzen 5000 series, since the data-sheet for the Dark Hero only mentions 2nd- and 3rd-Gen Ryzen chips. In any case, the board supports USB BIOS Flashback, and all AMD 500-series chipset motherboards are expected to receive Ryzen 5000 support through BIOS updates.
ASUS ROG Crosshair VIII Dark Hero
Update 12:32 UTC: ASUS mentions the two key areas of development for the Dark Hero are a completely fanless chipset cooling solution, and the use of 90 A DrMOS in the CPU VRM (compared to 60 A on the original).

MSI Releases AGESA Combo PI V2 1.1.0.0 BIOS Updates for AMD 500-series Motherboards

MSI, the world leading gaming motherboard brand, releases optimized BIOS updates for AMD 500-series motherboards. Combo PI V2 1.1.0.0 BIOS has been released and it will be able to download in the coming days.

Highlights include: Optimized compatibility for AMD Ryzen 3000-Series and Ryzen 4000 G-Series Desktop Processors and future AM4 socket processors, solve some specific OC failure issues, updated SMU module, and optimized DDR4 memory overclocking. MSI will keep announcing BIOS news. Please find the latest information of the complete product list and more details about the Combo PI V2 1.1.0.0 and newer BIOS update on this blog.

BIOSTAR 500 Series Motherboards with AGESA Combov2 PI 1.0.8.1 BIOS Update

BIOSTAR, a leading brand of motherboards, graphics cards, and storage devices, today announces that their motherboards are ready to support future Ryzen with AGESA Combo V2 PI 1.0.8.1 BIOS update.

With a wide list of supporting models, BIOSTAR consumers can rest assured that their dreams of upgrading to the future Ryzen are fully achievable. With a few easy steps to update the BIOS version, users can enjoy the full benefits of the future Ryzen from their existing BIOSTAR 500 series AM4 motherboards. Gaming and content creation will get extended benefits like improving memory compatibility and memory overclocking capabilities after AGESA Combo V2 PI 1.0.8.1 BIOS updating.

MSI Releases AGESA V2 1.0.8.1 BIOS Updates for AMD 500-series Chipset Motherboards

MSI began rolling out UEFI firmware updates that pack AMD's latest AGESA Combo PI V2 1.0.8.1 microcode, for the company's Socket AM4 motherboards based on the AMD 500-series chipsets. The company released firmware updates for 9 of its B550 motherboards today. Some time mid-September, it plans to release updates for X570 chipset boards, and the rest of its B550 motherboards. By late-September, updates will be released for A520 chipset boards.

MSI says AGESA V2 1.0.8.1 improves memory compatibility and memory overclocking headroom, and supports UMA memory share control for Ryzen 4000G / PRO 4000G "Renoir" desktop processors. MSI added fixes specific to its products, such as Soft RAID issues on B550, and PCs refusing to resume from S3 state. Check the "support" section of your motherboard's product page on the MSI website for the new firmware updates.

Possible AMD Ryzen PRO 4000G Series SEP Prices Surface, Incompatible with 400-series Chipset

AMD's recent announcement of its Ryzen 4000G and Ryzen PRO 4000G series desktop processors lacked a key detail - pricing, possibly because it's irrelevant to end users as the processors are sold only in the OEM channel. momomo_us secured a slide (possibly by AMD's channel marketing), which puts out SEP (suggestive) pricing per chip in n-unit tray quantities. Apparently, the Ryzen 7 PRO 4750G, and its energy-efficient -GE variant, are priced at USD $309. The Ryzen 5 PRO 4650G/GE comes with a $209 price, and the Ryzen 3 PRO 4350G/GE at $149.

Prices of the other parts in this slide appear to be stuck at their respective launch-time SEP pricing, since all of the price-cuts AMD implemented appear to be unofficial, and specific to retailers and regions. AMD also updated its familiar-looking processor-to-chipset compatibility slide with the inclusion of the new 4000G series. Apparently the new processors only work with AMD 500-series chipsets, such as the B550, X570, and the commercial-segment exclusive PRO565 chipset. This is strange since "Renoir" is now confirmed to lack PCIe gen 4.0, and only spares gen 3.0 x8 for PEG, which means 400-series chipsets are excluded due to ROM size limitations to squeeze in AGESA microcode supporting several generations of processors and microarchitectures. Interestingly, AMD assured customers of Ryzen 4000-series compatibility with 400-series chipsets. Perhaps they were only referring to the "Zen 3" based "Vermeer" processors, as the slide shows.

BIOSTAR Ready to Support Latest Ryzen PRO 4000 Renoir Series Processors

BIOSTAR, a leading brand of motherboards, graphics cards, and storage devices, today announces product support for the new AMD's Ryzen Pro 4000 series desktop processors. Built on the AM4 socket, the new Ryzen Pro 4000 processors are built to be the best using the latest cutting-edge technology AMD has to offer. The new AM4 based desktop APU's are based on the 8-core 7 nm "Renoir" chipset, built on the groundbreaking Zen 2 core architecture with innovative 7 nm process technology and optimized for high performance Radeon graphics in an SOC design.

The new AMD Ryzen 4000 G-Series Desktop Processors have shown exceptional leaps in performance with extremely precise power efficiency that is highly effective for consumers, gamers, streamers and content creators. Built for modern business PCs, AMD Ryzen 4000 Series Desktop Processors with PRO technologies offer enterprise-class solutions, advanced technology and multi-layered security features.

ASRock Rack Announces X570 SFF Workstation/Server Motherboards

ASRock Rack today unveiled a pair of Socket AM4 motherboards targeted at SFF workstation and compact server builds. Both boards are based on the AMD X570 chipset, and include the X570D4U-2L2T, and the X570D4I-2T. The larger X570D4U-2L2T is built in the Micro-ATX form-factor, and comes with support for 3rd Gen Ryzen "Matisse" and "Picasso" processors (for now). The board is designed with its components and heatsinks aligned for server rack airflow. It draws power from a combination of 24-pin ATX and 8-pin EPS connectors, conditioning it for the CPU with a 6+2 phase VRM. The AM4 socket is wired to four DDR4 DIMM slots that supports both ECC and non-ECC UDIMMs. Expansion includes one PCI-Express 4.0 x16, a gen 4.0 x8, and a gen 4.0 x1.

Storage options on the X570D4U-2L2T include seven SATA 6 Gbps, from which one is high-powered to support DOMs; and two M.2-2280 slots with PCIe 4.0 x4 wiring, one of which even has SATA 6 Gbps wiring. Enterprise-relevant features include two 10 GbE networking interfaces driven by an Intel X550-AT2 controller, two 1 GbE interfaces handles by Intel i210-series controllers; an ASPEED IPMI+iKVM management chip that also puts out basic display; and various server-relevant legacy connectivity.

MSI Announces Overclocking Records with Ryzen 4000G Processors

Since the AMD Ryzen 4000 Series Desktop Processors with PRO technologies have launched today, MSI 500-series motherboards are well-prepared to fully support for the new processors' coming. Compared to the Ryzen 3000 series CPUs, the AMD Ryzen PRO 4000 Series Processors are built in a monolithic design based on the 7 nm architecture for both Zen 2 CPU and Vega GPU, which improves greatly in latency and bandwidth numbers with better efficiency in performance. Of course, MSI 500-series motherboards including X570 and B550 platform are perfectly compatible for the Ryzen PRO 4000 Series Processors.

AMD Ryzen PRO 4000 Series Processors offer greater CPU and memory performance for overclockers and enthusiasts to push benchmark to another level. MSI has showcased not only the best performance for memory frequency but also the memory stability with Memtest pass.

New BIOS for AMD AM4 series ASUS Motherboards Now Available

ASUS today announced that the new BIOS with AMD AGESA 1.0.0.2 update for X570 and B550 series motherboards are now available for download. While the existing BIOS support Ryzen 3000XT processors, the new BIOS optimize the performance of the latest AMD Ryzen 3000XT series processors (Ryzen 9 3900XT, Ryzen 7 3800XT, and Ryzen 5 3600XT). The UEFI BIOS updates are available from the respective motherboard support pages, and can be accessed via the ASUS Support website.

AMD Ryzen 7 4700GE Memory Benchmarked: Extremely Low Latency Explains Tiny L3 Caches

AMD's 7 nm "Renoir" APU silicon, which features eight "Zen 2" CPU cores, has only a quarter of the L3 cache of the 8-core "Zen 2" CCD used in "Matisse," "Rome," and "Castle Peak" processors, with each of its two quad-core compute complexes (CCXs) featuring just 4 MB of it (compared to 16 MB per CCX on the 8-core "Zen 2" CCD). Chinese-language tech publication TecLab pubished a quick review of an alleged Ryzen 7 4700GE socket AM4 processor based on the "Renoir" silicon, and discovered that the chip offers significantly lower memory latencies than "Matisse," posting just 47.6 ns latency when paired with DDR4-4233 dual-channel memory.

In comparison, a Ryzen 9 3900X with these kinds of memory clocks typically posts 60-70 ns latencies, owing to the MCM design of "Matisse," where the CPU cores and memory controllers sit on separate dies, which is one of the key reasons AMD is believed to have doubled the L3 cache amount per CCX compared to previous-generation "Zeppelin" dies. TecLab tested the alleged 4700GE engineering sample on a ROG Crosshair VIII Impact X570 motherboard that has 1 DIMM per channel (the best possible memory topology).

AMD Ryzen 9 3900XT Geekbenched, Roughly 5% Faster than 3900X

AMD recently announced its 3rd Gen Ryzen 3000XT "Matisse Refresh" processors, with July 7 availability, and it appears like samples of the processors already hit leaky taps on the web. TUM_APISAK discovered a Geekbench 5.1 submission of a Ryzen 9 3900XT 12-core/24-thread processor sample. The processor is paired with a GIGABYTE X570 AORUS Master motherboard and 16 GB of dual-channel DDR4-3600 memory. The 3900XT scores 10945 points in the multi-threaded test, and 1324 points in the single-threaded one; both of which are roughly 5% higher than those of the 3900X. The Geekbench score is indicative that AMD wants to slim the already single-digit percentage gaming performance gap with the Core i9-10900K, and extending its multi-threaded productivity performance lead on account of more cores/threads.

GIGABYTE AMD Motherboards Adopt the Latest AGESA BIOS

GIGABYTE TECHNOLOGY Co. Ltd, a leading manufacturer of motherboards, graphics cards, and hardware solutions, today announce the latest BIOS update of AMD platform motherboards. To ensure users can embrace the performance boost, high compatibility, and high stability of 3rd Gen. AMD Ryzen XT Series desktop processors.

In order to furnish the best performance and user experience, AMD has been working closely with GIGABYTE and other motherboard vendors to provide BIOS code updates regularly for optimizing system performance or solving the issues verified by motherboard vendors. Adapted to the latest 3rd gen. are AMD Ryzen 9 3900XT,Ryzen 7 3800XT, Ryzen 5 3600XT processors. AMD provides AGESA ComboV2 1.0.0.2 BIOS for X570 and B550 chipset motherboards, and AGESA ComboV1 1.0.0.6 BIOS for X470, B450,X370, B350, and A320 chipsets products.

Thermaltake Launches TOUGHRAM RGB DDR4-4600 Memory 16GB

Thermaltake, the leading PC DIY premium brand for Cooling, Gaming Gear, and Enthusiast Memory solutions, proudly announced our high clock rate memory, the TOUGHRAM RGB DDR4 4600 MHz 16 GB Memory (2x8GB), which comes in both black and white versions. Besides the previous TOUGHRAM RGB 4000 MHz and TOUGHRAM RGB 4400 MHz Memory, we have now reached a new level, the TOUGHRAM line with a new higher clock rate of 4600 MHz in 16 GB (2x8GB) to ensure that we meet the users' needs. To provide high and stable gaming performance, all ICs are tightly-screened and coated with a ten-layer PCB.

Uniquely designed TT premium heat spreader with ten high lumens individual addressable LEDs not only dispatches heat faster but can allow users to show off 16.8 million colors with countless lighting combinations. Furthermore, users can use NeonMaker to customize and control the lighting effects, or even synchronized TOUGHRAM RGB DDR4 4600 MHz Memory with the TT RGB Plus software to maximize the control of RGB effects. TOUGHRAM RGB DDR4 4600 MHz Memory is also compatible with Intel Z490 and AMD X570 chipsets and supports Intel's XMP 2.0. If you're looking for high-quality, high functioning stable memory, choose TOUGHRAM RGB DDR4 4600 MHz.

AMD "Renoir" Desktop APU Could Lack PCIe gen 4.0, Hints BIOSTAR B550 Motherboard Product Page

AMD's 4th generation Ryzen "Renoir" desktop APUs, based on the "Zen 2" microarchitecture, could lack PCI-Express gen 4.0, hints the product page of an upcoming AMD B550 chipset motherboard by BIOSTAR. AMD already declared that the B550 lacks support for "Picasso," which means the "Ryzen with Radeon Vega Graphics" processors referenced in the BIOSTAR product page have to be "Renoir." On the mobile platform, Ryzen 4000H and 4000U series processors do lack PCIe gen 4.0, but it was expected that AMD will enable gen 4.0 for the desktop socket AM4 platform.

The lack of gen 4.0 support has implications for "Renoir." For starters, the APU, like its predecessors, spares only 8 PCIe lanes toward PEG (PCI-Express discrete graphics, or the main x16 slot you typically use for graphics cards). If these lanes are gen 3.0, then even the newer graphics cards, such as AMD's "Navi" RX 5700 XT, or next-gen GeForce "Ampere," would have to make do with a PCI-Express 3.0 x8 interface, despite being gen 4.0 x16-capable. We will test just how much of a bottleneck this poses, when the next-gen graphics cards come out.

GIGABYTE Introduces AORUS RGB Memory DDR4-4400MHz 16GB

GIGABYTE TECHNOLOGY Co. Ltd, a leading manufacturer of motherboards and graphics cards, announced today the launch of AORUS RGB MEMORY 4400 MHz. The all new design memory kit features the highly-praised Hynix D die, providing high bandwidth and high performance of DDR4 XMP 4400 MHz under 8 GB x2 mainstream specifications with a friendly price tag. The AORUS RGB MEMORY 4400 MHz is qualified by the high-end platform of INTEL Z490 and AMD X570, offering distinguished quality and stability with a lifetime warranty. Through RGB 2.0 support, users can create personal stylish lighting among DRAM and system components with balance of performance, budget, and fashion.

Following the innovation of computer platforms, the support of high memory XMP increases as well. GIGABYTE AORUS RGB MEMORY has won most credits consistently from the industry, and brings extra to the plate with the latest AORUS RGB MEMORY 4400 MHz 16 GB, with the specification of 8 GB x2 DDR4 XMP 4400 MHz and 19-26-26-46 timing. AORUS RGB MEMORY 4400 MHz 16 GB adopts Hynix D die which is the latest optimized option that memory overclockers highly recommend, and chose this level of product when purchasing. GIGABYTE implements this high quality material on AORUS RGB MEMORY 4400 MHz memory for overclockers who chase high memory frequency and enthusiasts can take full advantage of the various performance boosts.

AMD Ryzen 3 3100 Pushed to 5.92 GHz Under LN2 Cooling

The Ryzen 3 3100 is turning out to be a fun little toy for enthusiasts. PC enthusiast TSAIK succeeded in overclocking it to 5923 MHz under extreme cooling. The chip was fed 1.45 Volts, and put under liquid nitrogen cooling, to achieve the feat. An MSI MAG X570 Tomahawk motherboard and a single stick of 8 GB memory underclocked to DDR4-1600 made the rest of the critical hardware. The feat is the second highest OC record for a "Zen 2" powered processor, next only to TSAIK's own speed record with the flagship Ryzen 9 3950X, which was pushed to 6041 MHz. Find the HWBot submission for the Ryzen 3 3100 speed record here.

MSI Announces MAG X570 Tomahawk WiFi Motherboard

MSI, a world-leading motherboard manufacturer, proudly introduces the all new X570 motherboard, MAG X570 TOMAHAWK WIFI. For the 3rd Gen Ryzen processors, the new MAG X570 TOMAHAWK WIFI motherboard is optimized with best performance in every aspects. Military totem style coupled with a rugged and powerful heat dissipation design, the MAG X570 TOMAHAWK WIFI successfully subverts all other key players in the mainstream market. The 12X60A SPS Power Stages design, can stably supply the performance needs of multi-core CPUs, supports up to AMD Ryzen 9 3950X 16-core processors.

Coupled with MSI's exclusive heat dissipation technology, Extended Heatsink design, MAG X570 TOMAHAWK WIFI can maintain a stable processing frequency under severe conditions with high loads. The exclusive Frozr Heatsink design has Zero Frozr Technology that stops the fan when the temperature of the chip is at low power, reducing the generated system fan.

Origin PC Announces The Ludicrous PC: High-End Custom PC Inside a Tesla-inspired Chassis

ORIGIN PC is proud to announce the availability of a custom ORIGIN PC desktop powered by AMD Ryzen inside a Tesla Model S for kids called the LUDICROUS PC. Originally built for Marques Brownlee, also known as MKBHD, and inspired by his Tesla Model S, the LUDICROUS PC is a powerful gaming desktop featuring liquid cooling and is capable of being driven just like a normal Radio Flyer Tesla Model S. The LUDICROUS PC is available now on ORIGINPC.com with options to select the color and rims for the vehicle.

Designed by the ORIGIN PC team, the LUDICROUS PC is a special build that required some challenges to overcome such as airflow, fitting the PC parts inside the Tesla Model S for kids, and still maintaining the drivability of the car. The first LUDICROUS PC was engineered, built, and shipped to MKBHD late 2019 for the opening of his new studio in 2020. The LUDICROUS PC features working headlights, a horn, the capability of being driven forwards and backwards, and a remote that can turn the PC on.

AMD "Matisse" and "Rome" IO Controller Dies Mapped Out

Here are the first detailed die maps of the I/O controller dies of AMD's "Matisse" and "Rome" multi-chip modules that make up the company's 3rd generation Ryzen and 2nd generation EPYC processor families, respectively, by PC enthusiast and VLSI engineer "Nemez" aka @GPUsAreMagic on Twitter, with underlying die-shots by Fitzchens Fitz. The die maps of the "Matisse" cIOD in particular give us fascinating insights to how AMD designed the die to serve both as a cIOD and as an external FCH (AMD X570 and TRX40 chipsets). At the heart of both these chips' design effort is using highly configurable SerDes (serializer/deserializers) that can work as PCIe, SATA, USB 3, or other high-bandwidth serial interfaces, using a network of fabric switches and PHYs. This is how motherboard designers are able to configure the chipsets for the I/O they want for their specific board designs.

The "Matisse" cIOD has two x16 SerDes controllers and an I/O root hub, along with two configurable x16 SerDes PHYs, while the "Rome" sIOD has four times as many SerDes controllers, along with eight times as many PHYs. The "Castle Peak" cIOD (3rd gen Ryzen Threadripper) disables half the SerDes resources on the "Rome" sIOD, along with half as many memory controllers and PHYs, limiting it to 4-channel DDR4. The "Matisse" cIOD features two IFOP (Infinity Fabric over Package) links, wiring out to the two "Zen 2" CCDs (chiplets) on the MCM, while the "Rome" sIOD features eight such IFOP interfaces for up to eight CCDs, along with IFIS (Infinity Fabric Inter-Socket) links for 2P motherboards. Infinity Fabric internally connects all components on both IOD dies. Both dies are built on the 12 nm FinFET (12LP) silicon fabrication node at GlobalFoundries.
Matisse cIOD Rome cIOD
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