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Usporedni test KT133A ploča - drugi dio
13.04.2001.
    « Prev  : Stranica 1 od 8 :  Next »      By ::  Ozren Žagmešter 
- Uvod -

Napokon smo završili s testiranjem još tri KT133A matične ploče. U prošlom testu smo najavili nastavak "priče" koja se nažalost odužila iz dva razloga - nismo nikako mogli doći do EPoX 8KTA3 ploče, i još k tomu sve tri testirane ploče imaju jednu zajedničku karakteristiku koja nam je zagorčala život. No, o tome nešto kasnije. U ovom članku donosimo Vam naša iskustva sa:

Moramo se još posebno zahvaliti Flamingu i Info-Gami koji su nam ustupili više Athlon procesora na duže vrijeme. Bez njih ne bismo uspjeli riješiti problem koji su nam zadale ove tri ploče (zanimljivo je da nijedna ploča iz prvog testa ne pati od istog problema). O čemu se radi? O glupim inžinjerima koji su projektirali ove tri ploče i koji su "pametno" odlučili da se inicijalno podizanje procesora vrši na tvorničkom množitelju i to na 133MHz (ukoliko ste u 133MHz modusu, a 133MHz i jest poanta KT133A chipseta). Do tvorničkog Athlona-C nismo mogli doći te smo morali koristiti obični 200MHz FSB Athlon koji smo otključali poznatim trikom s olovkom. Pokrenuli bismo ploču u 100MHz modusu, smanjili multiplier na 7.5 (jer je 7.5x133= 1GHz) i onda ih probali bootati na 133. I? Ništa. Ploče bi probale napraviti inicijalizaciju default množitelju (prvotno smo imali dva Athlona - jedan na 1GHz, a drugi na 1.1GHz), dakle na 10 ili 11x133 (1333 ili 1466MHz), a na tim frekvencijama naši Athloni nisu htjeli ni zucnuti. Iwill KK266 se jednom čak uspjela probuditi, nakon čega je više nismo gasili. Ostale dvije nisu htjele ni to pa smo ih uspjeli testirati tek nakon nabave četvrtog 1GHz Athlona koji je htio POST-ati na 1.33GHz (bio je iz poznate AVIA serije koja je nakon AXIA serije najbolja za overclocking). Ploče iz prvog testa - ABIT KT7A, ASUS A7V133 i Soltek KAV-X uvijek inicijalizaciju vrše na 100MHz, a tek kasnije prelaze na 133MHz tako da kod njih nije bilo ovakvih problema. Trebalo nam je dosta dok smo skužili u čemu je fora, no eto, sad znamo (a znate i Vi).

VT8363A (KT133A) North Bridge

Osim gore spomenutog problema, testiranje je prošlo očekivano, iako moramo priznati da nam je drago da smo završili. Krenimo sad na opis ploča.



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