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Projekt Sirotanović : Celeron i NVidia grafičke kartice
17.03.2001.
    « Prev  : Stranica 1 od 4 :  Next »      By ::  Josip Antonić 
- Uvod -

Uvod

Budući da je Celeron najjeftinije Intelovo rješenje, a mnogi ga kod nas rabe kao osnovu svog PC-a, u ovom ćemo članku ispitati koja bi grafička kartica najbolje odgovarala uz taj procesor. Ovaj put smo se odlučili za GeForce porodicu grafičkih kartica u kojoj će biti zastupljene prve dvije generacije. Ali prije toga mali uvod.

Ne tako davno, naklapalo se da li uzeti Rivu TNT ili upariti dva Voodoo-a u SLI mod. Riva je bila brža u tada mladom DirectX, ali je OpenGL, s pogotovo Glide sa Quake2 i klonovima drmao scenom. Riječ 3D kartica je bila slabo poznata, ali izraz "imaš vudu?" je ustvari bio njen sinonim.

Sve je počelo godinu dana prije s izlaskom prvog Voodoo-a. Omanja kartica s 4MB memorije radila je čuda. Sjećamo se da je NFS2 bio super, ali je imao nedostatak jer nije mogao prikazati kokpit u automobilima (samo 4MB memorije nije bilo dovoljno za to).Ali spretni programeri su se dosjetili i tome pa je odnekud izvirivao volan i ručica lijevog žmigavca. Kartica je dolazila s prolaznim kablom pa je dolazilo do degradacije slike. Ali eto, prvi 3D akcelerator je izašao na svjetlo dana i povijest je krenula brzim koracima.

Izašao je Vodoo2 i zvijezda je bila rođena. Tko je imao taj akcelerator bio je car u kvartu. Verzije od 8 pa zatim od 12 MB bile su nezamislivo brze. Q2 Timedemo u 512 davao je dobrano preko 30FPS. VAUUUUUUUUU!!!!!! Konkurencija nije spavala. NVidia je izdala Rivu128, svoj prvi ozbiljniji grafički procesor. Grafički procesor osrednje kvalitete, ali dostatan da se ispita ima li na tržištu potrebe za akceleratorima koji će ujedno biti i 2D i 3D kartice. Očito je teren dobro ispitan jer uskoro izlazi Riva TNT.

Kartica rađena na AGP utoru sa 16MB memorije bila je nešto sporija od V2, ali je imala potencijala i bolju reprodukciju slike. Naime, V2 je morao imati još jednu "osnovnu" grafičku karticu na koju je bio spojen prolaznim kabelom. Time je dolazilo do gubitka na kvaliteti slike, a samim time i tamnijim prikazom na ekranu (tadašnji hit naslovi kao Q2 i Unreal su ovako i onako bili tamni). Programeri su se sve više okretali pisanjem koda za D3D zbog pritiska Microsofta, a Glide je počeo s polaganim zalazom. Asus V3400 ili CL Riva bile su kartice kojima smo se sve više okretali. Pojavljuju se naravno i prvi overclockeri. Kartice su po deafaultu radile na 90 MHz, ali su vrlo lako radile i na 125MHz. Dobitak u igrama je bio za današnje pojmove smiješan- 2-3FPs, ali su tadašnje rezolucije bile male. S Rivom TNT NVidia je utrla put svojim proizvodima.

TNT2 je bio samo nabrijaniji i dorađeniji koncept prve Rive TNT. Radom na višoj frekvenciji i s 32 MB memorije NVidia je samo slijedila put koji utire još s Rivom 128. Kartice bazirane na čipovima s TNT2 jezgrom bile su puno brže i naprednije od konkurencije. Pokušaj prodora s Voodoo3 karticama ostao je samo na pokušaju jer kartice nisu imale podršku za 32 bitnu boju, a o AGP utoru koji bi i podržavao sve njegove mogućnosti još se i danas sanja. I sam potpisnik ovog članka bio je ponosan vlasnik CL TNT2 Ultra kartice.



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