7.1.41 DMICâDMI Control Register .................................................................. 282
7.1.42 RPFNâRoot Port Function Number for PCI Express* Root Ports................... 283
7.1.43 CIR5âChipset Initialization Register 5..................................................... 284
7.1.44 TRSRâTrap Status Register ................................................................... 284
7.1.45 TRCRâTrapped Cycle Register ............................................................... 284
7.1.46 TWDRâTrapped Write Data Register....................................................... 285
7.1.47 IOTRn â I/O Trap Register (0â3) ........................................................... 285
7.1.48 DMCâDMI Miscellaneous Control Register (Mobile Only) ............................ 286
7.1.49 CIR6âChipset Initialization Register 6 (Mobile Only) ................................. 286
7.1.50 CIR7âChipset Initialization Register 7..................................................... 286
7.1.51 TCTLâTCO Configuration Register .......................................................... 287
7.1.52 D31IPâDevice 31 Interrupt Pin Register.................................................. 288
7.1.53 D30IPâDevice 30 Interrupt Pin Register.................................................. 289
7.1.54 D29IPâDevice 29 Interrupt Pin Register.................................................. 289
7.1.55 D28IPâDevice 28 Interrupt Pin Register.................................................. 290
7.1.56 D27IPâDevice 27 Interrupt Pin Register.................................................. 291
7.1.57 D26IPâDevice 26 Interrupt Pin Register.................................................. 291
7.1.58 D25IPâDevice 25 Interrupt Pin Register.................................................. 292
7.1.59 D31IRâDevice 31 Interrupt Route Register ............................................. 292
7.1.60 D30IRâDevice 30 Interrupt Route Register ............................................. 293
7.1.61 D29IRâDevice 29 Interrupt Route Register ............................................. 293
7.1.62 D28IRâDevice 28 Interrupt Route Register ............................................. 295
7.1.63 D27IRâDevice 27 Interrupt Route Register ............................................. 296
7.1.64 D26IRâDevice 26 Interrupt Route Register ............................................. 297
7.1.65 D25IRâDevice 25 Interrupt Route Register ............................................. 298
7.1.66 OICâOther Interrupt Control Register ..................................................... 299
7.1.67 RCâRTC Configuration Register ............................................................. 299
7.1.68 HPTCâHigh Precision Timer Configuration Register ................................... 300
7.1.69 GCSâGeneral Control and Status Register ............................................... 301
7.1.70 BUCâBacked Up Control Register ........................................................... 303
7.1.71 FDâFunction Disable Register ................................................................ 303
7.1.72 CGâClock Gating (Mobile Only).............................................................. 306
7.1.73 FDSWâFunction Disable SUS Well .......................................................... 307
7.1.74 CIR8âChipset Initialization Register 8..................................................... 308
7.1.75 CIR9âChipset Initialization Register 9..................................................... 308
8 Gigabit LAN Configuration Registers ...................................................................... 309
8.1 Gigabit LAN Configuration Registers (Gigabit LAN â D25:F0) ................................ 309
8.1.1 VIDâVendor Identification Register (Gigabit LANâD25:F0)........................ 310
8.1.2 DIDâDevice Identification Register (Gigabit LANâD25:F0) ........................ 310
8.1.3 PCICMDâPCI Command Register (Gigabit LANâD25:F0) ........................... 311
8.1.4 PCISTSâPCI Status Register (Gigabit LANâD25:F0) ................................. 312
8.1.5 RIDâRevision Identification Register (Gigabit LANâD25:F0) ...................... 313
8.1.6 CCâClass Code Register (Gigabit LANâD25:F0)....................................... 313
8.1.7 CLSâCache Line Size Register (Gigabit LANâD25:F0)............................... 313
8.1.8 PLTâPrimary Latency Timer Register (Gigabit LANâD25:F0) ..................... 313
8.1.9 HTâHeader Type Register (Gigabit LANâD25:F0) .................................... 313
8.1.10 MBARAâMemory Base Address Register A (Gigabit LANâD25:F0) .............. 314
8.1.11 MBARBâMemory Base Address Register B (Gigabit LANâD25:F0) .............. 314
8.1.12 MBARCâMemory Base Address Register C (Gigabit LANâD25:F0) .............. 315
8.1.13 SIDâSubsystem ID Register (Gigabit LANâD25:F0) ................................. 315
8.1.14 SVIDâSubsystem Vendor ID Register (Gigabit LANâD25:F0) .................... 315
8.1.15 ERBAâExpansion ROM Base Address Register
(Gigabit LANâD25:F0).......................................................................... 316
8.1.16 CAPPâCapabilities List Pointer Register (Gigabit LANâD25:F0) .................. 316
IntelÂź ICH8 Family Datasheet
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