Can I SAFELY use an 8X AGP card in a 2X AGP slot (PIII)?

apg slotI started a thread about another odd type of motherboards, Socket 423 and 478 motherboards with the universal AGP slot which are not as common as their 1.5v keyed only- Características generales del Slot AGP: AGP se considera una ranura de expansión, pero no está dentro de la categoría sino mas bien de un puerto. Es una ranura que ocupa muy poco