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Alpha 8045U Socket478
14.12.2001.
    « Prev  : Stranica 1 od 3 :  Next »      By ::  Josip Antonić 
- Kontemplacija -

San svakog overklokera je imati hladan, a brz procesor. No, takvi problemi ipak više muče cijenjene kolege s AMD procesorima. Sukladno s time, oni posjeduju puno veću bazu coolera koju mogu koristiti. Intelovi procesori su danas poznati kao spori, stabilni i relativno topli. Sve to treba prihvatiti naravno sa zadrškom jer i tome ima granice.

Čim se prijeđe u vode overklokiranja Intel procesor će početi s manijakalnom potrošnjom struje, tako da čak i jedan Celeron 566@1003 ima potrošnju od nekih 38W. Nije nešta impresivno, ali problema je bilo sve dok se nije pojavila Alpha PEP66 koja je do danas jedan od najboljih coolera na Socket370 podnožju. Cooler je imao bakreno podnožje i mogućnost ugradnje 60mm ventilatora. Kombinacija Alphe i Delte38CFM je još uvijek neprikosnovena. U našem TestLabu hladila je Tualatin procesor 1.13@1.31 GHz na 30C uz sobnu temperaturu od 20C. Još bolji primjer je Pelti od 72W koji je hladio Celerona na -4C. Ljubav prema Alphi traje otada.

Alpha PEP66 na Tualatin-u

Kako je Intel krenuo dalje s razvojem procesora, prešli smo na P4 i njegove sockete 423 i 478. Socket423 bio je samo polurazvojni socket koji je služio kao odskočna daska prema Socketu478, koji će i ubuduće biti osnova za P4 (barem dok Intel ne smisli novi socket kojim će zgrnuti neku sumicu novaca). Tu smo se našli u slijepoj ulici jer je Intelov Retail Heatsink efikasan otprilike kao i lavor vode u gorućoj kući. Tako je i počela potraga za kvalitetnim coolerom.

Slučajno smo naletili na Igloo 4200 od Termalrighta i on nas je iznenadio. Nismo očekivali tako dobre rezultate jer je cooler izrađen u cjelosti od aluminija sa 60mm ventilatorom. Najčudniji je svakako bio sam postupak montaže. Cooler se pričvršćuje pomoću trapezoidnog sistema kao na bocama za zimnicu. Svakako vrlo sigurnan način, ali ispadnu vam oči od muke dok ga montirate. Kako je bila moguća ugradnja 60mm ventilatora, Delta 38cfm je bila logičan izbor. Temperature su pale za 3-5C, ali uz poznatu razinu buke.

Pokušali smo s još nekim coolerima, ali rezultati nisu ni spomena vrijedni. Imali smo osjećaj da se procesor zagrijava više, nego da je bez coolera. U jednom domaćem časopisu smo naišli na polurješenje koje nažalost nema smisla - montaža dodatnog ventilatora koji je prislonjen na Intelov cooler. Kakva korist od toga kad se u jednom trenutku ventilatori počinju svađati i "krasti" zrak jedan drugom.

Kako Ozren u svom kompu ima jedan od najboljih AMD coolera na tržištu, SwiftTech MC462, pojavila se mogućnost nabavke tog coolera. Bacili smo oko na MCX478. To je inače druga razvojna verzija MC serije u kojoj je došlo do nekih poboljšanja. Broj nožica je povećan, a i same nožice su narovašene tako da se dobila veća površina koja je mogla gubiti toplinu. Cooler je razvijan za upotrebu na Socket462, ali je proizvođač uz upotrebu adapter pločica cooler prilagodio i za Socket478. Taj podatak nam je kasnije u mnogome pomogao. Nakraju je MCX odbačen prvenstveno zbog cijene. 80$ plus poštarina i carina svele bi cijenu na nekih 1000kn. Morate priznati da je to ipak malo previše, čak i za nas koji smo ludi ko šlape.

Tu smo stali na mrtvoj točci i dugo nije bilo nekog smislenog rješenja. Otprilike u to doba je u Hrvata stigla Alpha8045 kao drugi najbolji cooler poslije Swiftechovog MC-a. Ozren je izrazio želju da bi ga testirao pa sam ja sa svojim vjernim TAM-ićem pohitao put novog Zagreba, uzeo Alphu i krenuo doma. Dogovor je bio da Ozrenu predam Alphu idući dan kad se nađemo kod njega u firmi. Kako doma nisam imao ništa pametno za raditi, izvadio sam Alphu prvenstveno da pogledam kakav ventilator koristi. Deltin 80mm s protokom od 46cfm. Bio bi prebučan kao hladnjak za kućište. Šteta. Tad sam izvadio cooler tek toliko da bacim pogled na Alphu, da vidim da li je izrada i kvaliteta još uvijek ista kao u doba PEP66. Vrtio sam taj komad nekih pola sata u ruci. Suza u oku i misao "Pa zašto i mi Intelovci nemamo nešta takvog?". Vrag nije dao mira. Uzeo sam jednu ploču sa Socketom478 i krenuo premjeravati.

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