Design Guide

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Intel® 855GM/855GME Chipset Platform Design Guide 11
16.7.3.
AGP_BUSY# Design Requirement..............................................................303
16.7.4. (SMBus) System Management Interface .....................................................303
16.7.5. AC ’97 Interface ...........................................................................................304
16.7.6. ICH4-M Power Management Interface ........................................................305
16.7.7. FWH/LPC Interface ......................................................................................305
16.7.8. USB Interface ...............................................................................................306
16.7.9. Hub Interface................................................................................................306
16.7.10. RTC Circuitry................................................................................................308
16.7.11. LAN Interface ...............................................................................................309
16.7.12. Primary IDE Interface...................................................................................309
16.7.13. Secondary IDE Interface ..............................................................................310
16.7.14. Miscellaneous Signals..................................................................................310
16.7.15. ICH4-M Decoupling Recommendations ......................................................311
16.8. USB Power Checklist...................................................................................................311
16.8.1. Downstream Power Connection ..................................................................311
16.9. FWH Checklist .............................................................................................................312
16.9.1. Resistor Recommendations.........................................................................312
16.10. LAN / HomePNA Checklist ..........................................................................................313
16.10.1. Resistor Recommendations (for 82562ET / 82562EM) ...............................313
16.10.2. Decoupling Recommendations ....................................................................314
17. Schematics ...............................................................................................................................315