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ALPHA 8942
19.04.2002.
    « Prev  : Stranica 1 od 2 :  Next »      By ::  Josip Antonić 
- Opis -

Možda se može kazati da smo pomalo pristrani nekim stvarima koje koristimo, ali zar nismo svi takvi. Već su nas optužili da smo Abitovci a sad ćemo bit i Alphovci . Alphina hladila koristimo kako smo krenuli sa projektom PCEksperta. Od starih dobrih P125 modela sa dva ventilatora koji su dušu dali za Peltiom hlađene procesore, PEP66 modela koji se još uvijek vrte i Pal modela koji su posvud (čujem da će Šilja B.P. čak montirat jednog).

Kako sam ja jedini aktivni Intelovac u zadruzi, a Alpha baš i nije imala neki cooler koji je rađen za P4, pribjegao sam modifikaciji Alphe8045. Članak je objavljen na PCEkspertu i možete ga pročitati ovdje. Najveći je problem bio učvrstiti cooler na ploču. Razmak rupa na AMD i Intel procesorskim pločama je različit, pa sam morao izraditi adapter pločice. Cooler se pokazao fantastičnim ali je zbog vibracija dolazilo do samoodpuštanja vijaka. Kako je jako mali prostor na kojem se mogla izvesti modifikacija, korišteni su mali vijci koji su se odvijali sami. Problem je riješen kontramaticama koje u se pokazale kao izrazito knap rješenje. Prošli mjesec je izašao cooler namjenjen čistem P4 procesoru i naručismo ga.

Odabrali smo model sa Delta ventilatorom protočnosti 80cfm. Kako smo trenutno u posjedu Delte od 50cfm, a u Hrvata nije moguće dobiti ništa jače, odlučili smo se na kupnju skrimera(op.p. screamer engl. bukač hrv.).

Cooler dolazi standarno u bijeloj kartonskoj kutiji sa svom dodatnom opremom osim paste. Prvo smo pomislili da su je zaboravili staviti u paket,ali pogled na specifikacije (model sa oznakomT ne dolazi sa ventilatorom i pastom) je odagnao takve sumnje. U datom trenutku zatitrala mi je desna obrva čemu nisam obračao pažnju ali u kasnijem tijeku će se pokazati jako bitnim. Sam cooler je zamotan u plastičnu foliju kako ne bi korodirao bakar na podnožju, i teži zdravih 520grama. Radi se o ploči aluminija u koju su prvo zalemljeni heksoidalni pinovi od aluminija. Odabran je takav oblik radi što veće površine koja bi mogla odvesti što veću količinu topline. Na tu ploču je onda nakraju uprešan bakar koji dolazi na procesor. Odabir kombinacije aluminij-bakar se pokazao najboljim zbog odvodnje topline. Komplet bakreni cooleri su preteški i premekani(ako tupnete negdje kakav čošak, pinovi se savijaju kao tjesto) a aluminijski pak ne odvode toliko dobro toplinu sa procesora ali su zato dobri kod prenosa topline na zrak (sve je to stvar specifične molekularne težine i elektronskih orbitala ali o tome kojom drugom prilikom).

U kompletu se nalazi i popriličan broj vijaka(koji su naravno colnog a a ne metričkog navoja). Ono šta mi je razgalilo dušu su vijci i opruge kojima se Alpha pričvrščuje na ploču. Time se izbjegavaju ikakvi adapteri koje sam prije koristio a i koriste ga neki proizvođači (Swiftech). U kompletu su još i vijci za pričvrščivanje ventilatora na cooler(u dvije dužine).

Tu dolazimo do one moje obrve. Kako su navoji za pričvrščivanje na samom dnu Alphe a Delta je falabogu visoka 38mm, u kompletu ne dolaze vijci dovoljno dugački za nešta takvog. Prvo smo se mislili odma žalit prodavaču da su nam prodali faličan produkt ali pogledom na specifikaciju smo uvidjeli da je stvar čista. Naručen je Combo, prodavač prodaje nešta šta proizvođač u izvornom obliku ne podržava. Problem je riješen tako da su dva utora na Delti izdubljeni tako da vijci stanu do njenog donjeg ruba kako bi bili dovoljno dugački za montažu. Zahvat je obavljen upotrebom skalpela i čvrste ruke. Naravno da se razmišljalo odma i o drugom rješenju. Moj TataMata je odma predložio da nam on donese vijek odgovarajuče dužine. Plan je propao opet zbog tih colnih nareza u koje Hrvatski vijci ne idu.



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