Datasheet

10 Datasheet

Table 26. PAM Registers and Associated System Memory Segments............................71

Table 27. Host-Hub I/F Bridge/System Memory Controller Configuration Space (Device

#0, Function#1)..........................................................................................................86

Table 28. Configuration Process Configuration Space (Device#0, Function #3) ........... 105

Table 29. Intel

855GM GMCH Configurations and Some Resolution Examples..........111

Table 30. For Intel

855GME GMCH Configurations and Some Resolution Examples.112

Table 31. Integrated Graphics Device Configuration Space (Device #2, Function#0)...113

Table 32. System Memory Segments and Their Attributes ............................................ 126

Table 33. Pre-allocated System Memory........................................................................128

Table 34. SMM Space Transaction Handling .................................................................131

Table 35. Relation of DBI Bits to Data Bits .....................................................................137

Table 36. Data Bytes on SO-DIMM Used for Programming DRAM Registers...............139

Table 37. Dual Display Usage Model (Intel

852GM GMCH) ........................................150

Table 38. Panel Power Sequencing Timing Parameters................................................157

Table 39. AGP Commands Supported by the GMCH when Acting as an AGP Target .158

Table 40. Fast Write Initialization.................................................................................... 160

Table 41. PCI Commands Supported by the GMCH When Acting as a FRAME#

Target....................................................................................................................... 161

Table 42. Enhanced Intel SpeedStep

Technology Overview .......................................167

Table 43. Absolute Maximum Ratings ............................................................................169

Table 44. Intel

855GM/855GME GMCH Package Thermal Resistance.......................170

Table 45. Power Characteristics.....................................................................................171

Table 46. Table Signals ..................................................................................................173

Table 47. DC Characteristics..........................................................................................176

Table 48. DAC DC Characteristics: Functional Operating Range

(VCCDAC = 1.5 V ±5%)........................................................................................... 183

Table 49. DAC Reference and Output Specifications ....................................................184

Table 50. Differential Signals in the XOR Chains...........................................................187

Table 51. XOR Chain Exclusion List of Pins...................................................................187

Table 52. XOR Mapping .................................................................................................188

Table 53. Voltage Levels and Ball Out for Voltage Groups ............................................200

Table 54. Strapping Signals and Configuration .............................................................. 201

Table 55. Ballout Table ...................................................................................................204