2011/2/6 Николай Попов <nikolay.popov at mail.ru>: > Sametimes i use x264.exe on my old Celeron - S 1600 Mhz comp (PIII) > OS: WinXP SP2 > > But x264 cant recognize ability tu use SSE extentions - i see report about > MMX only: x264 doesn't check for or recognize or use SSE. It uses SSE2, which your chip doesn't have. Jason