IntelÂ® 4 Series Chipset Family Specification Update

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Identification InformationIdentification InformationComponent Identification via Programming InterfaceThe Intel 4 Series Chipset (G)MCH may be identified by the following registercontents:Stepping Vendor ID 1 Device ID 2 Revision Number 382Q45/82Q43 GMCHA2 8086h 82G45/82G43 GMCH82P45/82P43 MCH82G41 GMCH2E10h2E20h2E30hA2 8086h 82P45/82P43 MCH 2E20h 03h82Q45/82Q43 GMCH2E10hA3 8086h 82G45/82G43 GMCH 2E20h 03h82G41 GMCH82B43 GMCH (Base)82B43 GMCH (SoftSku)2E30h2E40h2E90hNOTES:1. The Vendor ID corresponds to bits 15:0 of the Vendor ID Register located at offset 00–01h in the PCI function 0 configuration space.2. The Device ID corresponds to bits 15:0 of the Device ID Register located at offset 02–03h in the PCI function 0 configuration space.3. The Revision Number corresponds to bits 7:0 of the Revision ID Register located atoffset 08h in the PCI function 0 configuration space.02hComponent Marking InformationThe Intel 4 Series Chipset (G)MCH may be identified by the following componentmarkings:Stepping Product S-Spec Lead/PbFree Top Marking NotesA2 GMCH SLB7Z PbFree AC82P45 82P45 MCHA2 GMCH SLB83 PbFree AC82P43 82P43 MCHA3 GMCH SLB84 PbFree AC82G45 82G45 GMCHA3 GMCH SLB85 PbFree AC82G43 82G43 GMCHA3 GMCH SLB8D PbFree AC82G41 82G41 GMCHA3 GMCH SLB8C PbFree AC82P45 82P45 MCH8 Specification Update
Identification InformationStepping Product S-Spec Lead/PbFree Top Marking NotesA3 GMCH SLB89 PbFree AC82P43 82P43 MCHA3 GMCH SLB8A PbFree AC82Q45 82Q45 GMCHA3 GMCH SLB88 PbFree AC82Q43 82Q43 GMCHA3 GMCH SLB8G PbFree AC82G45 82G45 GMCHA3 GMCH SLGQ2 PbFree AC82G43A3 GMCH SLGQ3 PbFree AC82G4182G43 GMCH -Support for 2DIMMs/Channel82G41 GMCH -Support for HDMI &ICH7RA3 GMCH SLGL7 PbFree AC82B43 82B43 GMCHSpecification Update 9
Page 1 and 2: Intel ® 4 Series Chipsets ChipsetF
Page 3 and 4: ContentsPreface ...................
Page 5 and 6: PrefacePrefaceThis document is an u
Page 7: Summary Tables of ChangesNO. A2 A3
Page 11 and 12: Identification InformationFeatureSK
Page 13 and 14: Errata3. Intel ® 4 Series (G)MCH D
Page 15 and 16: Errataplayback is moved between 2 d
Page 17 and 18: Specification ChangeSpecification C
Page 19: Documentation ChangesDocumentation

IntelÂ® 4 Series Chipset Family Specification Update

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