ocr: TYPICAL PCILOCAL BUS ARCHITECTURE CPU OPUDUS Cache memory: Main memory PCI intertace Pelocalouse 3201000 82MBDS Expanded bus controller Disk Video Internal PCI ooit doto/SMBps peripherals Graphics SCSI LAN Video External PCI peripheral cards Fax/modem Printer ISA or EISA FIGURE 1: Insfead of putling peripherois on a separare (and slowi exponsion bus, PCI providos a nighspeed path thot connects peripheral devices directiy to the CPU - and moin memory, improving bus ironsfer rale and system performonce.
