ÄÚÈݵ¼º½
»Ø¹Ë¹ýÈ¥£¬×ÜÏߵķ¢Õ¹Ê·
Òò´Ë˵£¬ISA×ÜÏßÊÇÒ»ÖÖ8/16bitµÄϵͳ×ÜÏߣ¬ËüµÄ×î´ó´«ÊäËÙÂʽöΪ8MB/s £¬ËüÔÊÐí¶à¸öÉ豸¹²Ïíϵͳ×ÊÔ´£¬¼æÈÝÐԽϺã¬Òò´ËÒ²¾Í³ÉΪÁËÉϸöÊÀ¼Í80Äê´ú×î¹ã·º²ÉÓõÄϵͳ×ÜÏß¡£²»¹ý£¬Ä¦¶û¶¨ÂÉÇý¶¯PC·¢Õ¹µÄ¹ö¹ö³µÂÖÒÔÿ18¸öÔ·һ·¬µÄʱËÙÏòÇ°·¢Õ¹£¬ISAÄÇ´«ÊäËÙÂÊ̫С¡¢CPUÕ¼ÓÃ×ÊÔ´¹ý¸ßÒÔ¼°Õ¼ÓÃÓ²¼þÖжÏ×ÊÔ´µÈµÈ±×²¡Ô½À´Ô½Ã÷ÏԵijÉΪèäèô£¬ÏÞÖÆÁËPCÖܱßÍâÉèµÄ·¢Õ¹¡£ÓÚÊÇ£¬PCI×ÜÏßµ®ÉúÁË¡£
ËäÈ»µ½ÁË1988Ä꣬32-bitÍⲿ×ÜÏßµÄ386DX´¦ÀíÆ÷ÒÔ¼°¸ü¿ì²úÆ·³ÉΪÖ÷Á÷Ö®ºó£¬ISA×ÜÏß±ê×¼Ò²±»À©Õ¹µ½ÁË32-bit£¬³ÉΪÁËEISA£¨ÓÖ½ÐExtended ISA£¬À©Õ¹ISA£©£¬´ø¿íÒ²´ïµ½ÁË32MB/s£¬µ«ÓÉÓÚEISA³É±¾¹ý¸ß£¬ÎÊÊÀ²»¾Ã¾Í±»PCIѸËÙÈ¡´ú¡£È·ÇеÄ˵PCI×ÜÏßÊÇ1992ÄêËæ×Å486´¦ÀíÆ÷Ò»²¢ÎÊÊÀµÄ£¬ÎÊÊÀÖ®³õ¾ÍÊÇÒ»ÖÖ32bit/33MHzµÄ×ÜÏß±ê×¼£¬ÔÚ1993Äê¾Í±»Éý¼¶Îª64bit/66MHzµÄ±ê×¼£¬²»¹ý£¬Ö±µ½ÏÖÔÚÎÒÃÇʹÓõÄÈÔÊÇ32bit/33MHzµÄPCI×ÜÏß¡£
£¨»ùÓÚPCI×ÜÏßµÄÏÔ¿¨£©
ÓëISAÏà±È£¬PCI×ÜÏßµÄÌصãÔÚÓÚÕâÊÇÒ»ÖÖ¶ÀÁ¢ÓÚCPU µÄϵͳ×ÜÏߣ¬¿ÉÒÔ½«ÏÔʾ¿¨¡¢Éù¿¨¡¢Íø¿¨¡¢Ó²ÅÌ¿ØÖÆÆ÷µÈ¸ßËÙµÄÍâΧÉ豸ֱ½Ó¹ÒÔÚCPU ×ÜÏßÉÏ£¬´ËÍâÆä133MB/sµÄ´«ÊäËÙÂÊ´ó´ó»º½âÁËISAµÄ¾Ö´Ù£¬ÔÚµ±Ê±ÏԵô´ÂÓÐÓà¡£²»¹ý£¬PCI×ÜÏ߹淶×î´óµÄ±×²¡Ò²ÔÚÓÚÕâ¡°133MB/s¡±ÉÏ£¬ËüµÄ133MB/sµÄ´ø¿í£¬ÔÚÈκÎÒ»¸öʱ¿Ì¶¼Ö»ÄÜÓÐÒ»¸öÉ豸¶ÀÕ¼PCI×ÜÏߣ¬ÔÚPCIÉ豸¶àµÄʱºòÏÔµÃÓÇΪ¾Ö´Ù¡£¶øµ½ºóÀ´£¬Å·¢Õ¹µÄ3DÏÔʾ¼¼ÊõÓÖÈÃPCI×ÜÏßÄÇ¿ÉÁ¯µÄ´ø¿íÁ¢¼´×½½ó¼ûÖâ¡£
£¨»ùÓÚAGP 8X×ÜÏßµÄÏÔ¿¨£©
Ó¦¸Ã˵£¬µÚÒ»¸ö´ÓPCIÕóÓª¡°Åѱ䡱³öÀ´µÄ¾ÍÊÇÏÔ¿¨¡£Ëæ×Å3DÓÎÏ·µÄѸËÙÆÕ¼°£¬ÏÔ¿¨µÄÊý¾ÝÍÌÍÂÁ¿Ô½À´Ô½´ó£¬PCI¹²Ïí133MB/s×ÜÏß´ø¿íÒѾ²»×ãÒÔÓ¦¸¶£¬ÓÚÊÇIntelÔÚ1996Äê7Ô·ݣ¬ÍƳöÁËAGP¾Ö²¿×ÜÏ߹淶£¬×¨ÃÅΪÏÔ¿¨Á¿Éí´òÔìµÄÒ»ÖÖ×ÜÏß±ê×¼¡£AGPµÄÉè¼ÆÆäʵҲÊÇPCI 2.1 °æ¹æ·¶»ù´¡Ö®ÉÏÀ©³äÐ޸Ķø³É£¬¹¤×÷ƵÂÊΪ66MHz £¬1XģʽÏ´ø¿íΪ266MB/S£¬ÊÇPCI×ÜÏßµÄÁ½±¶¡£ºóÀ´ÒÀ´ÎÓÖÍƳöÁËAGP 2X¡¢AGP 4X£¬ÏÖÔÚÁ÷ÐеÄAGP8X£¬´ø¿íÒѾ´ïµ½ÁË2.1GB/s£¬ÊÇPCI×ÜÏß´ø¿íµÄ16±¶¡£AGPµÄ×î´óÌØÉ«ÔÚÓÚÕâÊÇÒ»Ìõ¶ÀÁ¢µÄ±±Çŵ½ÏÔ¿¨Êý¾ÝͨµÀ£¬²»´æÔÚÓëÆäËûÉ豸¹²Ïí×ÜÏß×ÊÔ´µÄ·çÏÕ£¬×î´óÏ޶ȵÄÕÕ¹ËÁËÏÔ¿¨µÄÊý¾ÝÍÌÍÂÒªÇ󡣿ÉÒÔ˵£¬Ã»ÓÐAGP×ÜÏßµÄĬĬ·îÏ×£¬ÏÖÔÚµÄ3DÓÎÏ·ÒÔ¼°3DÏÔ¿¨²úÒµ¶¼²»»áÓÐÈç´ËµÄ·±ÈÙ¾°Ïó¡£
£¨µäÐ͵ÄÏÖ´ú¼ÆËã»ú½á¹¹£¬AGPÓëPCIµÄ¹Øϵͼ½â£©