Undocumented Machine-Specific Registers
	Public Machine-Specific Registers Undocumented Machine-Specific Registers About the Clock Control Register Theoretical determination of the Clock Ratio locking Thermal and electrical specification of the AMD64 CPU's Thermal and electrical specification of the 7th Gen. CPU's The undocumented password of 09C5A203Ah provides access to MSRs that are listed in the table below. This list of MSRs is defined for desktop AMD Duron and AMD Athlon family processors. Updated: 04/16/2006 Address Register Name Register Value Applebred Thoroughbred C0011000h MCodeCtl 0000000000000000h 0000000000000000h C0011001h APIC_ClusterID 0000000000000000h 0000000000000000h C0011002h ConfigAddrPort 00000000FFFFFFFFh 00000000FFFFFFFFh C0011003h ConfigDataPort 00000000FFFFFFFFh 00000000FFFFFFFFh C0011004h 000000000383FBFFh 000000000383FBFFh C0011005h 00000000C1CBFBFFh 00000000C1CBFBFFh C0011006h DebugStatus 0000000000000000h 0000000000000000h C0011007h BHTraceBase 0000000000000000h 0000000000000000h C0011008h BHTracePtr 0000000000000000h 0000000000000000h C0011009h BHTracelimit 0000000000000000h 0000000000000000h C001100Ah HDT_CFG 0000000000000000h 0000000000000000h C001100Bh Fast Flush Count 00000000000007C0h 00000000000007C0h C001100Ch IntMstate 0000000000020024h 0000000000020020h C0011010h BHTraceCTL 0000000000000000h 0000000000000000h C0011011h BHTraceUsrD 0000000000000000h 0000021200000924h C0011012h 00000000FFFFFFFFh 000002126C2DB825h C0011013h FFFFFFFFFFFFFFFFh 0070046500C90F9Eh C0011014h MobilDebug 0000000000000000h 0000000000000000h C0011020h K7LS_CFG 0000000000001000h 0000000000001000h C0011021h IC_CFG 0000000000000000h 0000000000000000h C0011022h DC_CFG 0000000000000000h 0000000000000000h C0011023h BU_CFG 0000000000002024h 0000000000002024h C0011024h DBGCTLMSR2 0000000000000000h 0000000000000000h C0011025h DR0_Data_Match 0000000000000000h 0000000000000000h C0011026h DR0_Data_Mask 0000000000000000h 0000000000000000h C0011027h DR0_ADDR_MASK 0000000000000000h 0000000000000000h C0011028h 00000000FFFFFFFFh 0000021200C90F9Eh AMD64 Processor Specific Registers Address Register Name Register Value ADA3000DAA4BW CPUID=20FF2h SDA2500AIO3BX CPUID=20FC2h C0011000h MCodeCtl 0000000000000000h 0000000000000000h C0011001h APIC_ClusterID 0000000000000000h 0000000000000000h C0011004h 00000001078BFBFFh 00000001078BFBFFh C0011005h 00000001F3F3FBFFh 00000001F3F3FBFFh C0011006h DebugStatus 0000000000000000h 0000000000000000h C0011007h BHTraceBase 0000000000000000h 0000000000000000h C0011008h BHTracePtr 0000000000000000h 0000000000000000h C0011009h BHTracelimit 0000000000000000h 0000000000000000h C001100Ah HDT_CFG 0000000000000000h 0000000000000000h C001100Bh Fast Flush Count 00000000000007C0h 00000000000007C0h C001100Ch IntMstate 0000000000000020h 0000000000020906h C001100Dh LOGICAL_CPUS_NUM 0000000000000000h 0000000000000000h C001100Eh WRMSRBreakpoint 0000000000000000h 0000000000000000h C001100Fh WRMSRBreakpointMask 0000000000000000h 0000000000000000h C0011010h BHTraceCTL 0000000000000000h 0000000000000000h C0011011h BHTraceUsrD 0000021200000924h 86623EC8C0011011h C0011012h 00000000FFFFFFFFh 00000000FFFFFFFFh C0011013h 0070042BFFFF00CCh FFFFFFFFFFFFFFFFh C0011014h ExcpBP_RIP 0000000000000000h 0000000000000000h C0011015h ExcpBP_RIP_MASK 0000000000000000h 0000000000000000h C0011016h CondHDT_Value 0000000000000000h 0000000000000000h C0011017h CondHDT_Value_MASK 0000000000000000h 0000000000000000h C0011018h ExcpBP_Ctl 0000000000000000h 0000000000000000h C001101Dh NB Bist 0000000000000000h 0000000000000000h C001101Eh ThermTrip2 00000000065F0120h 0000000014540C20h C001101Fh NB_CFG 0000000000000008h 0000000000000008h C0011020h LS_CFG 0000000000001000h 0000000000001000h C0011021h IC_CFG 0000000000000000h 0000000000000000h C0011022h DC_CFG 0000001C36000000h 0000001C36000000h C0011023h BU_CFG 0000000000002020h 0000000000002020h C0011024h DBGCTLMSR2 0000000000000000h 0000000000000000h C0011025h DR0_Data_Match 0000000000000000h 0000000000000000h C0011026h DR0_Data_Mask 0000000000000000h 0000000000000000h C0011027h DR0_ADDR_MASK 0000000000000000h 0000000000000000h Confidential Model Specific Registers Updated: 04/16/2006 Address Register Name Description C0012000h SRB 000 Control Register 0 C0012001h SRB 001 MSR CR4 C0012100h SRB 100 UC_SPREG_FFPDC_ADDR_SR C0012101h SRB 101 UC_SPREG_FFPDC_DATA1 C0012102h SRB 102 UC_SPREG_FFPDC_DATA2 C001210Bh SRB 10B BU_CTL C0012112h SRB 112 SysInit - Low C001211Eh L2_DA L2 debug address register C0012130h L2_CFG0 L2 configuration register - low C0012131h L2_CFG1 L2 configuration register - high C0012132h L2_CFG2 L2 data configuration register C0012133h L2_CFG3 L2 tag configuration register C0012168h SRB 168 Victim cache address register C0012169h SRB 169 Victim cache LRU/ECC register C001216Ah SRB 16A Victim cache data Lo register C001216Bh SRB 16B Victim cache data Hi register C00121A0h SRB 1A0 Dcache array access address register C00121A2h SRB 1A2 Dcache array access data register low C00121A3h SRB 1A3 Dcache array access data register high C00121BFh SRB 1BF Icache Misc. array access data register low C00121D0h SRB 1D0 breakpoint 0 address mask C00121D1h SRB 1D1 Icache Misc. array access data register high C00121D2h SRB 1D2 Icache array access data register low C00121D3h SRB 1D3 ICache performance monitor control C00121D4h SRB 1D4 Icache array access address register C00121D5h SRB 1D5 ICache array access data register high C00121D6h SRB 1D6 IC_CTL instruction cache control C00121DCh SRB 1DC ICache Bist Fatal bit Register C00121F2h PWR_CTRL Power control register Central Brain Identifier support@softnology.biz