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RG82845SL5YQ Datasheet, PDF (4/148 Pages) Intel Corporation – Intel® 845 Chipset: 82845 Memory Controller Hub (MCH) for SDR | |||
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3.5 Host-Hub Interface Bridge Device Registers (Device 0)......................................43
3.5.1 VIDâVendor Identification Register (Device 0) ....................................45
3.5.2 DIDâDevice Identification Register (Device 0).....................................45
3.5.3 PCICMDâPCI Command Register (Device 0) .....................................46
3.5.4 PCISTSâPCI Status Register (Device 0).............................................47
3.5.5 RIDâRevision Identification Register (Device 0)..................................48
3.5.6 SUBCâSub-Class Code Register (Device 0).......................................48
3.5.7 BCCâBase Class Code Register (Device 0)........................................48
3.5.8 MLTâMaster Latency Timer Register (Device 0) .................................49
3.5.9 HDRâHeader Type Register (Device 0) ..............................................49
3.5.10 APBASEâAperture Base Configuration Register (Device 0) ...............50
3.5.11 SVIDâSubsystem Vendor Identification (Device 0) .............................51
3.5.12 SIDâSubsystem Identification (Device 0) ............................................51
3.5.13 CAPPTRâCapabilities Pointer (Device 0) ............................................51
3.5.14 AGPMâAGP Miscellaneous Configuration Register (Device 0)...........52
3.5.15 DRB[0:7]âDRAM Row Boundary Registers (Device 0)........................52
3.5.16 DRAâDRAM Row Attribute Registers (Device 0) ................................53
3.5.17 DRTâDRAM Timing Register (Device 0) .............................................55
3.5.18 DRCâDRAM Controller Mode Register (Device 0) ..............................56
3.5.19 DERRSYNâDRAM Error Syndrome Register (Device 0) ....................58
3.5.20 EAPâError Address Pointer Register (Device 0) .................................58
3.5.21 PAM[0:6]âProgrammable Attribute Map Registers (Device 0) ...........59
3.5.22 FDHCâFixed DRAM Hole Control Register (Device 0)........................62
3.5.23 SMRAMâSystem Management RAM Control Register (Device 0) ......63
3.5.24 ESMRAMCâExtended System Mgmt RAM Control
Register (Device 0)................................................................................64
3.5.25 ACAPIDâAGP Capability Identifier Register (Device 0).......................65
3.5.26 AGPSTATâAGP Status Register (Device 0) .......................................66
3.5.27 AGPCMDâAGP Command Register (Device 0)..................................67
3.5.28 AGPCTRLâAGP Control Register (Device 0)......................................68
3.5.29 APSIZEâAperture Size (Device 0) .......................................................69
3.5.30 ATTBASEâAperture Translation Table Base Register (Device 0).......70
3.5.31 AMTTâAGP Interface Multi-Transaction Timer Register (Device 0) ...71
3.5.32 LPTTâAGP Low Priority Transaction Timer Register (Device 0).........72
3.5.33 TOMâTop of Low Memory Register (Device 0) ...................................73
3.5.34 MCHCFGâMCH Configuration Register (Device 0).............................74
3.5.35 ERRSTSâError Status Register (Device 0) .........................................75
3.5.36 ERRCMDâError Command Register (Device 0) .................................76
3.5.37 SMICMDâSMI Command Register (Device 0) ....................................78
3.5.38 SCICMDâSCI Command Register (Device 0) .....................................78
3.5.39 SKPDâScratchpad Data Register (Device 0) ......................................79
3.5.40 CAPIDâProduct Specific Capability Identifier Register (Device 0) ......79
3.6 Bridge Registers (Device 1) ..................................................................................80
3.6.1 VID1âVendor Identification Register (Device 1) ..................................81
3.6.2 DID1âDevice Identification Register (Device 1)...................................81
3.6.3 PCICMD1âPCI-PCI Command Register (Device 1)............................82
3.6.4 PCISTS1âPCI-PCI Status Register (Device 1)....................................83
3.6.5 RID1âRevision Identification Register (Device 1)................................84
3.6.6 SUBC1âSub-Class Code Register (Device 1).....................................84
3.6.7 BCC1âBase Class Code Register (Device 1)......................................84
3.6.8 MLT1âMaster Latency Timer Register (Device 1) ...............................85
3.6.9 HDR1âHeader Type Register (Device 1) ............................................85
3.6.10 PBUSN1âPrimary Bus Number Register (Device 1) ...........................85
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Intel® 82845 MCH for SDR Datasheet
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