AC82G41SLGQ3 Datasheet, PDF (3/604 Pages) Intel Corporation – Intel® 4 Series Chipset Family

Contents
1 Introduction ............................................................................................................ 21
1.1 Terminology ..................................................................................................... 27
1.2 (G)MCH System Overview .................................................................................. 30
1.2.1 Host Interface........................................................................................ 30
1.2.2 System Memory Interface ....................................................................... 31
1.2.3 Direct Media Interface (DMI).................................................................... 31
1.2.4 Multiplexed PCI Express* Graphics Interface and Intel® sDVO/DVI/HDMI/DP
Interface ............................................................................................... 32
1.2.5
1.2.4.1 PCI Express* Interface .............................................................. 32
1.2.4.2 sDVO Multiplexed Interface (Intel^® 82Q45, 82Q43, 82B43, 82G45,
82G43, 82G41 GMCH Only)........................................................ 33
1.2.4.3 HDMI/DVI/DP Multiplexed Interface (Intel^® 82Q45, 82Q43, 82B43,
82G45, 82G43, 82G41 GMCH Only)............................................. 33
Graphics Features (Intel^® 82Q45, 82Q43, 82B43, 82G45, 82G43, 82G41 GMCH
Only) .................................................................................................... 33
1.2.6 (G)MCH Clocking .................................................................................... 33
1.2.7 Power Management ................................................................................ 34
1.2.8 Thermal Sensor ..................................................................................... 34
2 Signal Description ................................................................................................... 35
2.1 Host Interface Signals........................................................................................ 36
2.2 System Memory (DDR2/DDR3) Interface Signals ................................................... 39
2.2.1 System Memory Channel A Interface Signals.............................................. 39
2.2.2 System Memory Channel B Interface Signals.............................................. 40
2.2.3 System Memory Miscellaneous Signals ...................................................... 41
2.3 PCI Express* Interface Signals ............................................................................ 41
2.4 Controller Link Interface Signals .......................................................................... 42
2.5 Analog Display Signals ..... (Intel^® 82Q45, 82Q43, 82B43, 82G45, 82G43, 82G41 GMCH
Only) ............................................................................................................... 42
2.6 Clocks, Reset, and Miscellaneous ......................................................................... 43
2.7 Direct Media Interface........................................................................................ 44
2.8 Serial DVO Interface .............................................................................................
(Intel^® 82Q45, 82Q43, 82B43, 82G45, 82G43, 82G41 GMCH Only) ......................... 45
2.9 HDMI Interface (Intel^® 82G45, 82G43, 82G41, 82B43 GMCH Only) ......................... 48
2.10
2.11
Display Port Interface
(Intel^® 82Q45, 82Q43, 82B43, 82G45, 82G43, 82G41 GMCH Only) ......................... 49
Intel^® High Definition Audio Intel^® 82Q45, 82Q43, 82B43,82G45, 82G43, 82G41 GMCH
Only) ............................................................................................................... 50
2.12 Power and Grounds ........................................................................................... 51
3 System Address Map ............................................................................................... 53
3.1 Legacy Address Range ....................................................................................... 57
3.1.1 DOS Range (0h – 9_FFFFh) ..................................................................... 57
3.1.2 Legacy Video Area (A_0000h–B_FFFFh)..................................................... 57
3.1.3 Expansion Area (C_0000h-D_FFFFh) ......................................................... 59
3.1.4 Extended System BIOS Area (E_0000h–E_FFFFh) ....................................... 59
3.1.5 System BIOS Area (F_0000h–F_FFFFh) ..................................................... 60
3.1.6 PAM Memory Area Details........................................................................ 60
3.2 Main Memory Address Range (1MB – TOLUD)........................................................ 60
3.2.1 ISA Hole (15 MB –16 MB) ........................................................................ 61
3.2.2 TSEG .................................................................................................... 62
3.2.3 Pre-allocated Memory ............................................................................. 62
Datasheet
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