September 2003
Intermediate to advanced
1120 pages
23h 44m
English
Content preview from PCI Express System ArchitectureBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Enterprise Computing Systems
PCI Express is expected to be deployed initially in desktop and server systems. These computers typically utilize a chipset solution that includes one or more microprocessors and two types of special interconnect devices, called northbridges and southbridges. Northbridges connect the CPU with memory, graphics and I/O. Southbridges connect to standardized I/O devices such as hard disk drives, networking modules or devices, and often PCI expansion slots.
Desktop Systems
Typical use of PCI Express in a desktop application is shown in Figure B-2 on page 992. The PCI Express ports come directly out of the northbridge, and are bridged to PCI slots that are used for legacy plug-in cards. In some implementations the PCI Express ...
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