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317607-001 Datasheet(PDF) 3 Page - Intel Corporation |
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317607-001 Datasheet(HTML) 3 Page - Intel Corporation |
3 / 351 page Datasheet 3 Contents 1 Introduction ...................................................................................................18 1.1 Terminology ........................................................................................20 1.2 Reference Documents ...........................................................................22 1.3 GMCH Overview ...................................................................................23 1.3.1 Host Interface.........................................................................23 1.3.2 System Memory Interface.........................................................24 1.3.3 Direct Media Interface (DMI).....................................................25 1.3.4 PCI Express* Interface.............................................................25 1.3.5 Graphics Features ...................................................................26 1.3.6 SDVO and Analog Display Features ............................................26 1.3.7 GMCH Clocking .......................................................................27 1.3.8 Power Management .................................................................28 1.3.9 Thermal Sensor ......................................................................28 2 Signal Description ...........................................................................................30 2.1 Host Interface Signals...........................................................................31 2.2 DDR2 DRAM Channel A Interface ............................................................34 2.3 DDR2 DRAM Channel B Interface ............................................................35 2.4 DDR2 DRAM Reference and Compensation ...............................................36 2.5 PCI Express* Interface Signals ...............................................................36 2.6 Analog Display Signals ..........................................................................36 2.7 Clocks, Reset, and Miscellaneous ............................................................37 2.8 Direct Media Interface (DMI)..................................................................38 2.9 Controller Link (CL) ..............................................................................39 2.10 Intel® Serial DVO (SDVO) Interface ........................................................39 2.10.1 SDVO/PCI Express* Signal Mapping ...........................................41 2.11 Power, Ground.....................................................................................42 3 System Address Map .......................................................................................44 3.1 Legacy Address Range ..........................................................................46 3.1.1 DOS Range (0h – 9_FFFFh).......................................................48 3.1.2 Legacy Video Area (A_0000h–B_FFFFh) ......................................48 3.1.3 Expansion Area (C_0000h–D_FFFFh)..........................................48 3.1.4 Extended System BIOS Area (E_0000h-E_FFFFh).........................49 3.1.5 System BIOS Area (F_0000h – F_FFFFh) ....................................49 3.1.6 PAM Memory Area Details.........................................................50 3.1.7 Legacy Interrupt Routing..........................................................50 3.2 Main Memory Address Range (1MB – TOLUD) ...........................................50 3.2.1 ISA Hole (15MB-16MB) ............................................................51 3.2.2 TSEG.....................................................................................51 3.2.3 Pre-allocated Memory ..............................................................52 3.3 PCI Memory Address Range (TOLUD – 4GB) .............................................52 3.3.1 APIC Configuration Space (FEC0_0000h–FECF_FFFFh) ..................54 3.3.2 HSEG (FEDA_0000h–FEDB_FFFFh).............................................54 3.3.3 FSB Interrupt Memory Space (FEE0_0000–FEEF_FFFFh) ...............54 |
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