https://www.theregister.com/2021/11/05/turbo_button/ [user] [user] Sign in The Register(r) -- Biting the hand that feeds IT [magn] [burg] [burg] Topics Security Off-Prem All Off-PremEdge + IoTChannelPaaS + IaaSSaaS (X) On-Prem All On-PremServersStorageNetworksHPCPersonal Tech (X) Software All SoftwareAI + MLApplicationsDatabasesDevOpsOSesVirtualization (X) Offbeat All OffbeatDebatesColumnistsScienceGeek's GuideBOFHLegalBootnotesSite NewsAbout Us (X) Vendor Voice All Vendor VoiceAdobeAmazon Web Services (AWS)Amazon Web Services (AWS) MigrationGoogle CloudGoogle Cloud's ApigeeGoogle Workspace LenovoNutanixRapid7Red hatSophosVeeamVirtru (X) Resources * Whitepapers * Webinars * Newsletters Situation Publishing * The Next Platform * Devclass * Blocks and Files Get our Weekly newsletter [personalte] Personal Tech The return of the turbo button: New Intel hotness causes an old friend to reappear Finally - a purpose for the least-used key on your keyboard Liam Proven in Prague Fri 5 Nov 2021 // 19:17 UTC 34 comment bubble on white --------------------------------------------------------------------- 34 comment bubble on white # reddit Twitter Facebook linkedin WhatsApp email [https://www.theregis] Copy Do you remember the days before desktop processors needed heatsinks? Are you wearied by the constant churn of new computer tech that never seems to make things easier? Intel has good news for you: it's bringing back an old friend: the turbo button. Better still, you won't need any new hardware, because it's repurposing something you already have but never use: your Scroll Lock key. [personalte] Grey-haired techies may remember that the turbo button didn't do what it said on the tin. It didn't magically make a sluggish PC faster, but rather the reverse: it slowed it down to make older programs - games, mainly, that weren't designed for 33 screaming megahertz of raw 486 power - playable again. Well, it's games to blame again now that Intel's 12th generation of Core processors is here. [personalte] [personalte] Chipzilla emitted a troubleshooting bulletin recommending the use of Scroll Lock as a workaround yesterday, prompting more than one person to comment that this made Scroll Lock the new turbo button. (If you have lost track of the generations, we don't blame you. So far, they were: Nehalem; Sandy Bridge; Ivy Bridge; Haswell; Broadwell; Skylake; Kaby Lake; Coffee, Amber, Whiskey and Cannon Lake; Cascade, Ice and Comet Lake; Tiger and Rocket Lake. And now, Alder Lake. Clear as Shenzhen lake-bottom mud.) [personalte] Naturally Intel is saying its latest PC silicon is the fastest thing ever, but the big change in this generation is really about power management. Alder Lake is Intel's second go at what it initially called "hybrid technology" CPUs. Alder Lake chips have a blend of two types of processor core: some high-performance but electricity-hungry, and some Atom-style - lower-performance but frugal with the juice. This style of design was pioneered a decade ago by Arm, which called it big.LITTLE, much to the chagrin of The Reg's correspondent. It's useful for smartphones and tablets alike - so long as the OS knows about it, it can shuffle tasks around between performance or efficiency cores depending on available battery life, cooling, user demands and so on. It's also good for marketroids, who can claim that a chip with, say, three of each type is a "six-core" device. * BOFH: Thermo-electric funeral * 'We will not rest until the periodic table is exhausted' says Intel CEO on quest to keep Moore's Law alive * Remember the turbo button on PCs? New AWS instance has one for CPU burst * Thrustmaster unveils Wii peripherals kit Apple's new Arm-based chips have their own versions of the same tech, naturally, and Apple has been rather cunning about how it spreads the load. The problem is that this stuff is new to PCs. PCs with low-power Atom chippery arrived in 2008 for netbooks and so on. The processors were sold on being cheap, small, and having decent battery life - not on their rapidity, because they didn't have any. Now Intel's mixing together low-end Atom-class cores and high-performance normal cores in the same microprocessor package to balance power usage and oomph, which is most useful in laptops and tablets. [personalte] But sometimes customers don't know what they have, so performance-hungry programs (read: games) sometimes have to check the spec of the PC they're installed on and tell the poor punter that their PC isn't fast enough. Which is a problem if the hapless app finds a shiny new 12th-gen processor that looks like a bunch of Atom-class cores - it complains that this new-fastest-ever-chip isn't quick enough. Enter the 21st century turbo button. All the lucky new owner of one of these boxes has to do is go into its firmware, enable the Legacy Game Compatibility Mode option, reboot, and then, when you press Scroll Lock, your PC will gently anesthetize its efficiency cores. Result? The game will only see the high-performance ones and work fine. In other words, the newly repurposed key actually turns off the whizz-bang hybrid-chip feature - a little like the way a 1980s turbo button actually slowed your CPU down so you could play Alley Cat or Maniac Mansion. Technology: innit marvelous, eh? (r) Get our Tech Resources # Share reddit Twitter Facebook linkedin WhatsApp email [https://www.theregis] Copy 34 Comments Similar topics * MORE * Intel * Arm Corrections Send us news --------------------------------------------------------------------- [personalte] Other stories you might like * AI algorithms can help erase bright streaks of internet satellites - but they cannot save astronomy 'We are absolutely losing some science' Katyanna Quach Sat 6 Nov 2021 // 09:15 UTC 61 comment bubble on white Feature Hundreds of scientists around the world have been quietly volunteering their time to prevent low Earth orbit satellites from destroying astronomy. Space is getting more and more crowded. 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Engineers can't start poking ventilation holes in them, and the thinness required of the devices makes the traditional PC solution of heatsinks impractical - although it is often said that the entire case acts as a heatsink of sorts. Continue reading ABOUT US* * Who we are * Under the hood * Contact us * Advertise with us MORE CONTENT* * Latest News * Popular Stories * Forums * Whitepapers * Webinars SITUATION PUBLISHING* * The Next Platform * DevClass * Blocks and Files * Continuous Lifecycle London * M-cubed Situation Publishing The Register - Independent news and views for the tech community. Part of Situation Publishing SIGN UP TO OUR DAILY NEWSLETTER Subscribe Twitter Facebook LinkedIn feeds no-js Biting the hand that feeds IT (c) 1998-2021 Do not sell my personal information Cookies Privacy Ts&Cs