文档介绍：20032003
P CI Express ™ Architecture
and
Implementation Considerations
JasminJasmin AjanovicAjanovic
Principal Architect, Intel Corp.
PCIPCI Express™Express™ ProtocolProtocol WGWG ChairmanChairman
JanuaryJanuary 2727--30,30, 20032003
O u t l i n e
yy TechnologyTechnology OverviewOverview
yy AdvancedAdvanced RASUMRASUM CapabilitiesCapabilities
yy MultimediaMultimedia andand QoSQoS SupportSupport
yy PowerPower ManagementManagement
yy SoftwareSoftware andand ConfigurationConfiguration ModelModel
yy SummarySummary andand CallCall toto ActionAction
2
TechnologyTechnology OverviewOverview
Agenda
yy MotivationMotivation andand RequirementsRequirements
yy PCIPCI ExpressExpress ArchitecturalArchitectural OverviewOverview
yy PCIPCI ExpressExpress BasedBased PlatformsPlatforms
yy SpecificationSpecification andand EnablingEnabling UpdateUpdate
yy SummarySummary
4
Motivation and Requirements
PC Platform Evolution
munications
Enterprise Server
Entry Server
Productivity PC
Connected PC
Extended PC
Multimedia PC
NowNow spanningspanning multiplemultiple marketmarket segmentssegments
5
Motivation and Requirements
I/O Technology Evolution—Today’s View
Optical
Interconnects
15
10-12 GHz Copper Signaling
10 ~~ GHzGHz PCI Express
• Full Serial
5 • Point to Point
• Max Bandwidth/Pin
1 • Scalable >10 GHz
• Flexibility
Signaling 1GHz Parallel Bus • Multiple Market
Rate UPUP TOTO 800800 MHzMHz Segments
(GHz)
UPUP TOTO 6666 MHzMHz
MHzMHz PCI
ISA
80’s 90’s 00’s
6
Motivation and Requirements
PCI History
PCI Express
PCI ,
PCI-X , 2002
2001
z Hot Plug
PCI-X
1999
PCI
z Mini PCI
1998
z PCI Hot Plug
PCI
1994 z 66 MHz
PCI 1993 z PCI Power Management
PCI
1992 z PCI Plug and Play Configuration Model
PCIPCI isis everywhere!!!everywhere!!! 7
Motivation and Req