82845G Datasheet, PDF (9/193 Pages) Intel Corporation – Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub (GMCH)

Tables
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DDR-to-SDR Signal Mapping ........................................................................26
Voltage Levels and RCOMP for Various Interfaces.......................................37
DRAM Controller/Host-Hub Register Address Map (Device 0)......................48
PAM Register Attributes.................................................................................65
Host-to-AGP Register Address Map (Device 1).............................................78
VGAEN and MDAP Bit Definitions .................................................................91
Integrated Graphics Device Register Address Map (Device2) ......................92
DINV Signals vs. Data Bytes .......................................................................105
Supported DDR DIMM Configurations.........................................................108
Supported SDR DIMM Configurations .........................................................108
Data Bytes on DIMM Used for Programming DRAM Registers...................109
Address Translation and Decoding..............................................................110
AGP Commands Supported by GMCH When Acting As an AGP Target ....112
PCI Commands Supported by GMCH When Acting As a PCI Target .........115
PCI Commands Supported by GMCH When Acting As an
AGP/PCI_B Initiator .....................................................................................116
Display Port Characteristics.........................................................................131
Analog Port Characteristics .........................................................................132
Memory Segments and Their Attributes ......................................................141
Pre-allocated Memory..................................................................................144
Absolute Maximum Ratings .........................................................................147
Intel^® 82845G GMCH Package Thermal Resistance ..................................147
Power Characteristics ..................................................................................148
Signal Groups ..............................................................................................148
DC Operating Characteristics ......................................................................150
DC Characteristics .......................................................................................151
DAC DC Characteristics: Functional Operating Range
(VCCDAC = 1.5 V ±5%)...............................................................................153
DAC Reference and Output Specifications..................................................154
DAC AC Characteristics...............................................................................154
Intel^® 82845G GMCH Ballout by Ball Number.............................................158
Intel^® 82845G GMCH Ballout by Signal Name ............................................164
XOR Chain Output Pins ...............................................................................173
XOR Chains 0, 1, and 2 ...............................................................................174
XOR Chains 3, 4, and 5 ...............................................................................176
XOR Chains 6, 7, and 8 ...............................................................................178
XOR Chains Excluded Pins .........................................................................180
Intel^® 82845GL/82845GV Ballout by Signal Name......................................187
Intel^® 82845G/82845GL/82845GV GMCH Datasheet
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