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845GV Schematic ( PDF Datasheet ) - Intel Corporation

Teilenummer 845GV
Beschreibung Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub
Hersteller Intel Corporation
Logo Intel Corporation Logo 




Gesamt 70 Seiten
845GV Datasheet, Funktion
www.DataSheet.co.kr
Intel® 845G/845GL/845GV Chipset
Datasheet
Intel® 82845G/82845GL/82845GV Graphics and Memory Controller
Hub (GMCH)
October 2002
Document Number: 290746-002
Datasheet pdf - http://www.DataSheet4U.net/






845GV Datasheet, Funktion
www.DataSheet.co.kr
4.1.1 PSB Dynamic Bus Inversion........................................................... 105
4.1.2 System Bus Interrupt Delivery ........................................................ 106
4.1.3 Upstream Interrupt Messages......................................................... 106
4.2 System Memory Controller .......................................................................... 107
4.2.1 DDR SDRAM Interface Overview ................................................... 107
4.2.2 SDR SDRAM Interface Overview ................................................... 107
4.2.3 Memory Organization and Configuration ........................................ 108
4.2.3.1 Configuration Mechanism for DIMMs .............................. 108
4.2.4 Memory Address Translation and Decoding................................... 109
4.2.5 DRAM Performance Description..................................................... 110
4.3 AGP Interface .............................................................................................. 111
4.3.1 Overview ......................................................................................... 111
4.3.1.1 Lock Behavior.................................................................. 111
4.3.1.2 AGP Target Operations................................................... 112
4.3.1.3 AGP Transaction Ordering .............................................. 113
4.3.1.4 AGP Electrical Characteristics ........................................ 113
4.3.1.5 Support for PCI-66 Devices............................................. 113
4.3.1.6 4X AGP Protocol ............................................................. 114
4.3.1.7 Fast Writes ...................................................................... 114
4.3.1.8 AGP 1.5 V Connector...................................................... 114
4.3.2 PCI Semantic Transactions on AGP............................................... 115
4.3.2.1 GMCH Initiator and Target PCI Operations..................... 115
4.3.2.2 GMCH Retry/Disconnect Conditions ............................... 117
4.4 Integrated Graphics Device (IGD) ............................................................... 119
4.4.1 3D Engine ....................................................................................... 120
4.4.1.1 Setup Engine................................................................... 120
4.4.1.2 Scan Converter ............................................................... 121
4.4.1.3 2D Functionality............................................................... 121
4.4.1.4 Texture Engine ................................................................ 121
4.4.1.5 Raster Engine.................................................................. 124
4.4.1.6 2D Engine........................................................................ 126
4.4.1.7 GMCH VGA Registers..................................................... 127
4.4.1.8 Logical 128-Bit Fixed BLT and 256-Bit Fill Engine .......... 127
4.4.2 Video Engine .................................................................................. 128
4.4.2.1 Hardware Motion Compensation..................................... 128
4.4.2.2 Planes ............................................................................. 128
4.4.2.3 Cursor Plane ................................................................... 128
4.4.2.4 Overlay Plane.................................................................. 129
4.4.3 Pipes ............................................................................................... 130
4.4.3.1 Clock Generator Units (DPLL)......................................... 130
4.4.4 Ports ............................................................................................... 130
4.5 Display Interfaces ........................................................................................ 131
4.5.1 Analog Display Port Characteristics................................................ 132
4.5.2 Digital Display Interface .................................................................. 133
4.5.2.1 Digital Display Channels – DVOB and DVOC................. 133
4.5.2.2 Synchronous Display....................................................... 135
4.6 Power and Thermal Management ............................................................... 136
4.6.1 Power Management Support Overview .......................................... 136
4.6.2 Processor Power State Control....................................................... 136
4.6.3 Sleep State Control......................................................................... 136
4.6.4 Graphics Adapter State Control ...................................................... 136
4.6.5 Monitor State Control ...................................................................... 137
4.7 Clocking ....................................................................................................... 137
6 Intel® 82845G/82845GL/82845GV GMCH Datasheet
Datasheet pdf - http://www.DataSheet4U.net/

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845GV pdf, datenblatt
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12 Intel® 82845G/82845GL/82845GV GMCH Datasheet
Datasheet pdf - http://www.DataSheet4U.net/

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