neprihlásený Piatok, 1. marca 2024, dnes má meniny Albín
AMD zistila príčinu tepelného poškodzovania Ryzenov 7000, vydala upravený BIOS

Značky: AMDZen / RyzenCPU

DSL.sk, 27.4.2023


Spoločnosť AMD identifikovala hlavnú príčinu spôsobujúcu v niektorých prípadoch extrémne zahrievanie poslednej generácie desktopových procesorov AMD Ryzen 7000 vyúsťujúce do tepelného poškodenia a vydala novú verziu softvéru AGESA zabraňujúcu týmto problémom, ktorú výrobcovia dosiek zahrnú teraz do svojich BIOS-ov.

Spoločnosť o tom informovala v stanovisku poskytnutom hardvérovým serverom, napríklad Anandtechu.

Stanovisko detailne nepopisuje všetky uskutočnené opatrenia. Avizuje ale uskutočnenie opatrení v napájaní na AM5 doskách, ktoré zabránia používaniu CPU mimo limitov špecifikácie, a uvádza jedno konkrétne opatrenie, limitovanie pracovného SoC napätie procesora na maximálne 1.3 Volta.

AMD tak čiastočne potvrdila skoršie neoficiálne informácie, podľa ktorých sa problémy môžu vyskytnúť práve pri SoC napätí minimálne 1.4 Volta po manuálnom zvýšení alebo aktivovaní EXPO profilu pamätí. Podľa skorších neoficiálnych informácií sa najskôr poškodia tepelné senzory a tým sa znefunkční ochrana proti prehriatiu, tieto informácie stanovisko neuvádza.

Ako sme upozornili, užívatelia sa na problémy sťažujú najmä v poslednom čase a v prípade modelov 7000X3D s veľkou L3 cache, problémy sa vyskytujú ale aj pri ostatných modeloch Ryzen 7000. Okrem procesora môže prísť aj k poškodeniu dosky.

K problémom môže prichádzať po manuálnom pretaktovaní ale tiež po zapnutí profilov pamätí technológie EXPO. Technológia EXPO, Extended Profiles for Overclocking, je technológiou oficiálne podporovanou AMD, výrobcami dosiek a pamätí, ktorá umožňuje aktivovaním EXPO profilu zvýšiť takt pamätí. Po zapnutí EXPO profilu sa pre stabilný beh ale typicky automaticky zvyšuje aj pracovné SoC napätie procesora.

Hoci EXPO je oficiálne podporované automatické pretaktovanie pamätí, podľa Tom's Hardware sa na poškodenie procesorov pri zapnutí EXPO nevzťahuje záruka. V aktuálnom stanovisku AMD odporúča užívateľom, u ktorých sa vyskytol tento problém, aby kontaktovali podporu spoločnosti.

Novú verziu AGESA spoločnosť už poskytla výrobcom dosiek a vydanie nových verzií BIOS-ov očakáva AMD v nasledujúcich dňoch. AMD odporúča všetkým užívateľom, aby si na AM5 doskách následne BIOS aktualizovali.

Uskutočnené opatrenia podľa AMD nemenia možnosti pretaktovania pamätí pomocou EXPO alebo XMP alebo zvýšenie výkonu pomocou PBO technológie.


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inzercia



Diskusia:
                               
 

V-nand nevydrží viac ako 1.4V podľa špecifikácie.
AMD: Odporúčame 1.25V, na prekročenie limitov sa nevzťahuje záruka.
Asus, MSI, Gigabyte a iné: No, I don't think so. https://www.youtube.com/watch?v=aCrXAf3eek8
Odpovedať Známka: 8.2 Hodnotiť:
 

Zákazníci: EXPO poškodzuje V-nand pamäť na 1,4V.
Asus, MSI, Gigabyte a iné: Surprised Pikachu
Odpovedať Známka: 7.8 Hodnotiť:
 

Asus a spol:
AMD program,
AMD procesor,
AMD validované riešenie.

Užívateľ si spustí,
užívateľ sa musí informovať,
čo to robí...
Odpovedať Známka: 6.7 Hodnotiť:
 

Tak MSI ma dlhu historiu tychto sraciek.
Uz pre Northwood mali mobi 645b a 645 ultra.
Famozny vykon, 3-5% oproti konkurencii .... a takmer ziadna nedozila koniec zatucnej doby.

Ja nechapem, ako mohol MSI srackomet prezit.
Odpovedať Hodnotiť:
 

Presne takéto incidenty rieši právo na opravu. Keby je zavedené, tak to AMD môže opraviť, ale nakoľko k tomu nemá právo, ostávajú ako riešenie priekazne len obmedzenia.
Odpovedať Známka: 2.0 Hodnotiť:
 

Súdruh - ale procesor kosákom a kladivom neopravíš...
Odpovedať Známka: 2.0 Hodnotiť:
 

Neurolingvistické programovanie ponúka i priekazne radikálne odlišnú interpretáciu pera mocnejšieho meča.
Odpovedať Známka: 2.0 Hodnotiť:
 

Ak si vezmeme Apple za prikladnu firmu (nie v zmysle dobra, spravna ci 1tky na ZS), tak pravo na opravu ma velmi dobry zamer. Horsie to je uz s definiciou a praxou. Preco pri tvorbe zakonov neparticipuju osoby ako vecne negativne naladeny L. Rossman?
Namiesto toho lobisti za Apple a spol. su sami spolutvorcami tychto moznych buducich zakonov.
Odpovedať Hodnotiť:
 

Rossman pičoval do práva na opravu a čo-to sa mu podarilo v USA vybaviť.

Stále je tu však argument, resp otázka: má zákazník právo na prepracovanie alebo opravu?
Odpovedať Známka: 10.0 Hodnotiť:
 

Tak potom nech prestanu udavat pri ramkach frekvenciu prave pri aktivovanom expo. Kolko krat si clovek kupi napriklad 3600 MHz pamete, ktore su ale defaultne 2800, alebo i menej.
Odpovedať Známka: 10.0 Hodnotiť:
 

To je všetko tak trochu marketing výrobcov RAM.

Napr. ako 2133MHz CL11 DDR3 RAM, no oficiálne procáky podporovali (garantovali podporu) pre 1066 či 1333 MHz (už presne nepamätám. Dosky uvádzali aj viac, do aleluja. Kľúčová je vždy podpora procesorom.

Toto uvádza AMD pre 7800X3D:
Max Memory Speed
2x1R DDR5-5200
2x2R DDR5-5200
4x1R DDR5-3600
4x2R DDR5-3600

Intel uvádza pre i9-13900K:
Memory Types
Up to DDR5 5600 MT/s
Up to DDR4 3200 MT/s

Toto sú garantované frekvencie. Ostatné ber tak, že ide o OC. Ak predáva Kingston 1800 MHz DDR3 RAM, je to už OC.

Súhlasím ale s Tebou, že je to na uváženie.

Žiadne EXPO a XMP som nikdy nemusel používať. Proste nastavím manuálne frekvenciu, časovanie a napätie podľa OC profilu (vyčítaš zo specsheet výrobcu alebo cez CPU-Z). Minúta nastavovania. Potom máš istotu, že do ničoho iného nestrkáš nos. Celý život to takto robím a nikdy nebol problém.
Odpovedať Známka: 6.7 Hodnotiť:
 

A z akého dôvodu to nastavuješ na vyšiie niečo, než na aké je to normálne stavané? Aj do žiarovky doma púšťaš 250V namiesto 230V či ako?
Odpovedať Známka: -4.3 Hodnotiť:
 

Ono je to stavané na viac ako si myslíš. Preto máš nejaké minimum, ktoré musí dať všetko, a nejaké optimum, čo niektoré dávajú a iné nie.
A o tom to je. Či chcem minimum, optimum, alebo maximum za svoje peniaze

Tvoj príklad je z tohto dôvodu na holý kokot.
Odpovedať Známka: 5.0 Hodnotiť:
 

veď výrobca RAMiek Ti predáva 6000 MHz DDR5 RAMky, no sú to priamo ním OCnuté 5200ky trebárs

každá RAMka podporuje niekoľko JEDEC režimov a väčšinou 1-2 OC režimy. to OC sú to, čo predáva tie karty, teda rozdielnosť čipov, každý zvláda niečo iné, potom sa pozbierajú podobné a pretaktujú od výroby viac, predáva sa to potom drahšie

a ak nastavíš tieto OC parametre manuálne v biose, tak vlastneš spravíš to isté ako by si zapol Expo, ale zmeníš len to čo ty chceš, máš to pod kontrolou
Odpovedať Známka: 10.0 Hodnotiť:
 

Predstav si, ze mozes doma tu ziarovku prevadzkovat az na 253V a musi vydrzat. Ja mam doma bezne v zasuvke 243V, ziadnych 230V. Vsetko ma nejake tolerancie v akych to vie pracovat a ked sa v nich pohybujes, musi to fungovat.
Odpovedať Hodnotiť:
 

Aj preto tie žiarovky častejšie "odchádzajú, lebo sú preťažované. Alebo si dáš namiesto +12V do základovky napríklad +14V?
Odpovedať Hodnotiť:
 

Štandard je 230V +/-10%, alebo 207-253V.

Kurník-šopa, kde je 4Maniak, keď je ho treba?
Hneď by Ti tú elektriku vysvetlil!
Odpovedať Známka: 6.7 Hodnotiť:
 

+-4% si už zabudol?
Odpovedať Hodnotiť:
 

Choď za 4Maniakom a nechaj si vysvetliť článok 4.2.2.1 z STN EN 50160 normy.


Odpovedať Známka: 10.0 Hodnotiť:
 

A nie je tá norma už dávno zrušená?
Odpovedať Hodnotiť:
 

Myslíš teraz verziu z 2022? Prečo by ju potom za 1200 eur dali v 2023 prekladať?

Alebo, ešte lepšie, keď vravíš, že zrušená - čo ju nahradilo?
Odpovedať Hodnotiť:
 

Vsetci mame to percento uvedene v zmluve s distribuckou... Normy su odporucacie, zavazna je zmluva (bohuzial)
Odpovedať Hodnotiť:
 

vypnite si EXPO a mate po probleme, traposina co robi len nestabilitu a "akoze" boostuje 1-2% fpsiek v hrach. Namiesto toho si to pekne undervoltnem cez curve optimiser a mam naspet tie 2%. Sach mat

Odpovedať Známka: 2.0 Hodnotiť:
 

Undervolt == strata záruky :D
Odpovedať Známka: -2.0 Hodnotiť:
 

Odkedy?
Odpovedať Známka: 10.0 Hodnotiť:
 

Od furt?

Overclocking and/or undervolting AMD processors and memory, including without limitation, altering clock frequencies / multipliers or memory timing / voltage, to operate outside of AMD’s published specifications will void any applicable AMD product warranty, even when enabled via AMD hardware and/or software. This may also void warranties offered by the system manufacturer or retailer. Users assume all risks and liabilities that may arise out of overclocking and/or undervolting AMD processors, including, without limitation, failure of or damage to hardware, reduced system performance and/or data loss, corruption or vulnerability. GD-106
Odpovedať Známka: 0.0 Hodnotiť:
 

Niečo vyrobia a potom zisťujú ako to funguje? Wav!
Odpovedať Známka: 7.1 Hodnotiť:
 

Testeri sú platiaci zákazníci.
Odpovedať Známka: 10.0 Hodnotiť:
 

Testeri? Platené? Sami sebou, alebo kým? To že niečo odjebú nie je test. Testuje sa za prísne špecifických - predpísaných podmienok, nie zvyšovaním napätí a podobne a čakať kým sa niečo odjebe. Preťažovanie takýchto obvodov vedie k znižovaniu ich spoľahlivosti.
Odpovedať Hodnotiť:
 

Platiaci nie platení...
Odpovedať Hodnotiť:
 

Príčinou je to, že výrobcovia dosiek prebrali napájacie limity pre X3D CPU z tých non-X3D CPU a problém bol na svete. Zatiaľ čo 7600X/7800X/7900X a ostatné bez 3D cache s napätím SoC vyšším ako 1.4V problém nemajú, pre modely s 3D cache je to otázkou života a smrti.

AMD limity neuzamklo v AGESE. To ale neznamená, že keď výrobca dosiek mení niečo, čo defaultne nie je uzamknuté, je inak v poriadku.

AMD v stanovisku uvádza, že EXPO a PBO budú plne využiteľné aj s uzamknutým SoC napätím na 1.3V. Otázkou zostáva, na kerú riť SoC napätie bolo vôbec zvyšované, keď to prakticky nemá význam ...
Odpovedať Známka: 8.3 Hodnotiť:
 

Aby signál stihol skákať hore-dole v dostatočnom tempe, ofc.
Odpovedať Hodnotiť:
 

KFC nie ofc!
Odpovedať Hodnotiť:
 

Hovorí sa tomu IT sex.
Odpovedať Známka: 10.0 Hodnotiť:
 

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