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Athlon 700 overclocking
21.08.2000.
    « Prev  : Stranica 1 od 3 :  Next »      By ::  Ozren Žagmešter 
- Uvod i montaža -

Prije par mjeseci pisali smo o Athlon 500 procesoru i našem iskustvu u overclocking-u dotičnog. U međuvremenu se brzina procesora povećala tako da se u ovom članku bavimo overclock-anjem Athlon 700 procesora.

Zašto Athlon 700? Čitajući newsgrupe po Internetu naišli smo na zgodnu informaciju o tome kako postoje Athlon 700 procesori (.18 mikronski) koji imaju jezgru od Athlon 850 i 900 procesora te cache memoriju od 2.9ns koja je čak brža nego ona koja se nalazi na normalnim Athlon 900, 950 i 1000 procesorima. Nakon pomnog praćenja grupa, pokazalo se da su ti specijalni Athlon 700 procesori proizvedeni uglavnom u 17. tjednu 2000. godine. Serijski broj na tim procesorima izgleda ovako: 231700XXXXXX ili 211700XXXXXX. 21 ili 23 označavaju mjesto gdje su procesori sastavljeni (ne proizvedeni nego samo sklopljeni), 17 je tjedan proizvodnje, a 00 označava godinu 2000. Ostali brojevi nisu bitni, jedino je još bitno slovo A koje označava da je to .18 mikronski Athlon.

Serijski broj

Potraga za baš tim Athlon 700 procesorom nije baš bila laka. Nigdje na netu nismo uspijeli naći te procesore za kupiti a u domaćim dućanima još manje. Najnoviji Athloni kod nas su bili sa kraja 1999. Već kad smo skoro odustali od cijele priče našli smo se u Londonu. U Londonu postoji jedna šarolika ulica koja se zove Tottenham Court Road. U toj ulici postoji brdo malih ružnih dućana (većinom u vlasništvu Pakistanaca i Indijaca) koji prodaju Hi-Fi opremu i kompjuterske dijelove. Prošli smo cijelu ulicu i pregledali brdo Athlon 700 procesora dok nismo našli onaj pravi. Da bi smo postigli željenu cijenu, morali smo se malo i cjenkati.

Ostale potrebne stvari za overclock-anje smo nabavili još prije - heatsink (Alpha P7125), Golden Fingers te novu matičnu koja ima mogućnost promjene cache djeljitelja iz BIOS-a (Abit KA7-100). Alpha P7125 je bez daljneg #1 heatsink za Slot-A Athlon procesore tako da je to bio jednostavan izbor. Na Alphu smo kao i uvijek montirali YSTech 60mm (27.2 cfm) ventilatore.

Skidanje oklopa sa Athlona je prošlo dobro iako smo uspjeli izgrebati procesor sa zadnje strane dok smo gledali da li postoji način da skinemo prednji dio oklopa, a da pri tome ne strgamo klipove koji ga drže. Na svu sreću, to nije imalo posljedica iako se pod mikroskopom lijepo vidi kako je izolacija skinuta sa dvije bakrene žičice (nismo ih na sreću prerezali). Htjeli smo skinuti prvi dio oklopa da bismo mogli promijeniti AMD-ovu originalnu pastu sa boljom, no nismo htjeli potrgati klipove jer bismo onda morali bušiti Alphu da bi mogli montirati procesor. Ono što smo još primjetili je to da je bilo strašno puno praznog prostora između cache memorije i prednjeg dijela oklopa. AMD je to stvarno mogao bolje napraviti...

Prazni prostor

Nakon što smo sastavili hlađenje, zategnuli smo žicama prednji dio oklopa da bolje prijanja uz sam procesor. Nije neko atraktivno niti savršeno rješenje, ali je ipak puno bolje nego ništa. Nakon toga smo stavili procesor u matičnu ploču. Na 700MHz je sve naravno radilo. Ostavili smo procesor da dva dana vrti SETI, Prime i Quake3 i tek kad smo vidjeli da sve štima smo počeli sa overclock-anjem.



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