Intel 631xESB/632xESB I/O Controller Hub - Viglen Download

Contents1 Introduction............................................................................................................ 371.1 About This Document......................................................................................... 371.2 Overview ......................................................................................................... 401.3 Intel ® 631xESB/632xESB I/O Controller Hub SKU Definition ................................... 482 Signal Descriptions.................................................................................................. 492.1 Enterprise South Bridge Interface (ESI) to Host Controller ...................................... 532.2 PCI Express* Interface....................................................................................... 532.3 PCI Interface .................................................................................................... 542.4 PCI/PCI-X* Bus Interface ................................................................................... 572.5 PCI/PCI-X* Bus Interface 64-bit Extension............................................................ 592.6 PCI/PCI-X Hot-Plug Interface .............................................................................. 592.7 Interrupt Interface ............................................................................................ 632.8 Kumeran and SERDES Interface .......................................................................... 642.9 Serial ATA Interface........................................................................................... 642.10 IDE Interface .................................................................................................... 652.11 Firmware Hub Interface...................................................................................... 662.13 USB Interface ................................................................................................... 672.14 AC ‘97 Link....................................................................................................... 682.15 Processor Interface............................................................................................ 682.16 SMBus Interface................................................................................................ 702.17 Power Management Interface.............................................................................. 702.18 System Management Interface............................................................................ 712.19 Flash and EEPROM Interface ............................................................................... 722.20 Expansion Bus Interface..................................................................................... 722.21 RS-232 Interface............................................................................................... 732.22 Real Time Clock Interface ................................................................................... 732.23 JTAG Interface .................................................................................................. 742.24 Other Clocks..................................................................................................... 742.25 General Purpose I/O .......................................................................................... 742.26 Miscellaneous Signals ........................................................................................ 762.27 Power and Ground............................................................................................. 772.28 Pin Straps ........................................................................................................ 792.29 Intel ® 631xESB/632xESB I/O Controller Hub Revision and Device ID Table ............... 823 Intel ® 631xESB/632xESB I/O Controller Hub and System Clock Domains ............... 854 Intel ® 631xESB/632xESB I/O Controller Hub Pin States ......................................... 874.1 Integrated Pull-Ups and Pull-Downs ..................................................................... 874.2 IDE Integrated Series Termination Resistors ......................................................... 914.3 Output and I/O Signals Planes and States............................................................. 914.4 Power Planes for Input Signals ............................................................................ 975 Functional Description........................................................................................... 1015.1 PCI Express* Bridge, Switch, and Endpoints........................................................ 1035.1.1 PCI Express* Upstream Ports .............................................................. 1035.1.2 PCI Express* to PCI-X* Bridge (Bm:D0:F3)........................................... 1045.1.3 PCI Express* Downstream Ports (Bp:D0:F0; Bp:D1:F0).......................... 1165.1.4 I/OxAPIC Devices (Bm:D0:F1). ........................................................... 1215.1.5 Flow Control ..................................................................................... 1245.2 PCI Express* Root Ports (D28:F0,F1,F2,F3) ........................................................ 1255.2.1 Interrupt Generation .......................................................................... 1255.2.2 Power Management ........................................................................... 1265.2.3 SERR# Generation............................................................................. 127Intel ® 631xESB/632xESB I/O Controller Hub Datasheet 5