QG82945GMESLA9H データシートの表示（PDF） - Intel

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QG82945GMESLA9H

Intel® 945G/945GZ/945GC/ 945P/945PL Express Chipset Family

Intel 

8.1.11 SVID2—Subsystem Vendor Identification (D2:F1)............................. 197

8.1.12 SID2—Subsystem Identification (D2:F1) ............................................ 197

8.1.13 ROMADR—Video BIOS ROM Base Address (D2:F1) ....................... 198

8.1.14 CAPPOINT—Capabilities Pointer (D2:F1) ......................................... 198

8.1.15 MINGNT—Minimum Grant Register (D2:F1)...................................... 198

8.1.16 MAXLAT—Maximum Latency (D2:F1) ............................................... 198

8.1.17 MCAPPTR—Mirror of Device 0 Capability Pointer (D2:F1)

(Mirrored_D0_34) ............................................................................... 199

8.1.18 MCAPID—Mirror of Device 0 Capability Identification (D2:F1)

(Mirrored_D0_E0) ............................................................................... 199

8.1.19 MGGC—Mirror of Device 0 GMCH Graphics Control (D2:F1)

(Mirrored_D0_52) ............................................................................... 199

8.1.20 MDEVEN—Mirror of Device 0 Device Enable (D2:F1)

(Mirrored_D0_54) ............................................................................... 199

8.1.21 BSM—Base of Stolen Memory Register (D2:F1) ............................... 200

8.1.22 PMCAPID—Power Management Capabilities ID (D2:F1).................. 200

8.1.23 PMCAP—Power Management Capabilities (D2:F1) .......................... 200

8.1.24 PMCS—Power Management Control/Status (D2:F1) ........................ 201

8.1.25 SWSMI—Software SMI (D2:F1) ......................................................... 201

8.1.26 ASLS—ASL Storage (D2:F1) ............................................................. 202

8.2 Device 2 – PCI I/O Registers ............................................................................. 203

8.2.1 MMIO Index—MMIO Address Register .............................................. 203

8.2.2 MMIO Data—MMIO Data Register ..................................................... 203

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System Address Map ...................................................................................................... 205

9.1 Legacy Address Range ...................................................................................... 207

9.1.1 DOS Range (0h – 9_FFFFh) .............................................................. 208

9.1.2 Legacy Video Area (A_0000h–B_FFFFh) .......................................... 208

9.1.3 Expansion Area (C_0000h–D_FFFFh)............................................... 209

9.1.4 Extended System BIOS Area (E_0000h–E_FFFFh) .......................... 210

9.1.5 System BIOS Area (F_0000h–F_FFFFh) ........................................... 210

9.1.6 Programmable Attribute Map (PAM) Memory Area Details................ 210

9.2 Main Memory Address Range (1 MB to TOLUD) .............................................. 211

9.2.1 ISA Hole (15 MB–16 MB) ................................................................... 212

9.2.2 TSEG .................................................................................................. 212

9.2.3 Pre-allocated Memory......................................................................... 212

9.3 PCI Memory Address Range (TOLUD – 4 GB) ................................................. 213

9.3.1 APIC Configuration Space (FEC0_0000h–FECF_FFFFh)................. 214

9.3.2 HSEG (FEDA_0000h–FEDB_FFFFh) ................................................ 214

9.3.3 FSB Interrupt Memory Space (FEE0_0000–FEEF_FFFF) ................ 214

9.3.4 High BIOS Area .................................................................................. 214

9.3.5

9.3.6

PCI Express* Configuration Address Space ...................................... 214

PCI Express* Graphics Attach (Intel®

82945G/82945GC/82945P/82945PL GMCH Only) ............................ 215

9.3.7

9.3.8

AGP DRAM Graphics Aperture .......................................................... 215

Graphics Memory Address Ranges (Intel® 82945G/82945GC/82945GZ

GMCH Only) ....................................................................................... 216

9.4 System Management Mode (SMM) ................................................................... 216

9.4.1 SMM Space Definition ........................................................................ 217

9.4.2 SMM Space Restrictions .................................................................... 217

9.4.3 SMM Space Combinations ................................................................. 218

9.4.4 SMM Control Combinations ................................................................ 218

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Intel® 82945G/82945GZ/82945GC GMCH and 82945P/82945PL MCH Datasheet

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