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AMD računala za Egipatske učionice
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Scythe Chouriki 2
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Scythe Musashi - oštrica mača
26.09.2008.
    « Prev  : Stranica 2 od 3 :  Next »      By ::  Krešimir Matanović 
- Test sistem, način testiranja i montaža -
Test sistem:

Test sistem :: Hardware
Platforme

DFI X48-T3RS

Procesor(i)

Intel C2E X6800

Memorija

2x 2GB, Kingmax DDR3 1600MHz

Grafičke kartice

AMD Radeon HD4870;

Catalyst 8.9

Muzička kartica

On Board

Hard disk(ovi)

Hitachi 500GB SATA II

DVD-RW HP GSA-H60L

Testni sistem :: Software
OS Windows Vista Ultimate 32-bit
Chipset datoteke

Intel Chipset

DirectX verzija 10.0
Rthdribl v 1.2

 

Način testiranja i montaža

Za opterećivanje kartice smo koristili Rthdribl (Real-Time High-Dynamic Range Image-Based Lighting) program u verziji 1.2. Pustili bi ga da se izvršava dva sata, nakon čega bi iz GPU-Z aplikacije očitali Load temperaturu. Nakon toga bi pustili računalo (grafičku karticu) da ne radi ništa pola sata i očitali Idle temperaturu. Ovo smo kao što ćete vidjeti napravili u slučajevima kada su ventilatori radili u punoj brzini te na minimalnoj brzini. Isto tako smo očitali temperature overclockirane kartice. Kao usporedbu uzeli smo temperature tvorničkog hladnjaka koji je radio u automatskom načinu rada.

Ovako izgleda naša HD4870 kartica kada polijepimo blokove na sve elemente kojima je potrebno dodatno hlađenje. Primjetiti ćete i bakrenu pločicu koja se postavlja na GPU kako bi transfer topline bio što efikasniji, ali i kako ne bi došlo do eventualnih oštećenja samog GPU-a prilikom montaže hladnjaka.

Ovako to izgleda kada je hladnjak pričvršćen za PCB. Aluminijski listovi su dovoljno visoko i ne dotiču ni jedan element na kartici, a zbog svojeg "prozračnog" dizajna omogućuju cirkulaciju zraka po čitavom PCB-u. Ovo naravno dodatno poboljšava hlađenje svih komponenata a i samog PCB-a.

Pločica sa unutarnje strane ima gumene odstojnike koji štite karticu i elemente na njoj od eventualnih oštećenja. Čitav mehanizam je vrlo lako montirati te vam nije potreban nikakav alat, a možda samo malo iskustva i vještine. Kada je jednom sve dobro pričvršćeno, hladnjak se čvrsto drži za karticu i ne dozvoljava pomake što je garancija za dobar prijenos topline.

Kada sve montiramo naša HD4870 kartica je doživjela preobrazbu te je sada dobila nešto na visini i širini. Zbog ovoga moramo paziti da imamo dovoljno mjesta u kućištu kako bi ju ugodno smjestili. Nakon montaže najviše nas je zanimala količina buke koju generiraju dva ventilatora. Pri minimalnom broju okretaja gotovo su nečujni, a kako podižemo broj okretaja postaju čujni no nikako ne možemo govoriti o buci jer su stvarno tihi. Vjerujemo kako brojke koje navodi proizvođač nisu daleko od istine.



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