35-252 Vol. 3C
MODEL-SPECIFIC REGISTERS (MSRS)
48
Platform Clamping Limitation #2.
When set, allows the processor to go below the OS requested P
states in order to maintain the power below specified Platform
Power Limit #2 value.
62:49
Reserved
63
Lock. Setting this bit will lock all other bits of this MSR until system
RESET.
690H
1680
MSR_
LASTBRANCH_16_FROM_IP
Thread
Last Branch Record 16 From IP (R/W)
One of 32 triplets of last branch record registers on the last branch
record stack. This part of the stack contains pointers to the source
instruction. See also:
• Last Branch Record Stack TOS at 1C9H
691H
1681
MSR_
LASTBRANCH_17_FROM_IP
Thread
Last Branch Record 17 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
692H
1682
MSR_
LASTBRANCH_18_FROM_IP
Thread
Last Branch Record 18 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
693H
1683
MSR_
LASTBRANCH_19_FROM_IP
Thread
Last Branch Record 19From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
694H
1684
MSR_
LASTBRANCH_20_FROM_IP
Thread
Last Branch Record 20 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
695H
1685
MSR_
LASTBRANCH_21_FROM_IP
Thread
Last Branch Record 21 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
696H
1686
MSR_
LASTBRANCH_22_FROM_IP
Thread
Last Branch Record 22 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
697H
1687
MSR_
LASTBRANCH_23_FROM_IP
Thread
Last Branch Record 23 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
698H
1688
MSR_
LASTBRANCH_24_FROM_IP
Thread
Last Branch Record 24 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
699H
1689
MSR_
LASTBRANCH_25_FROM_IP
Thread
Last Branch Record 25 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
69AH
1690
MSR_
LASTBRANCH_26_FROM_IP
Thread
Last Branch Record 26 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
69BH
1691
MSR_
LASTBRANCH_27_FROM_IP
Thread
Last Branch Record 27 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
69CH
1692
MSR_
LASTBRANCH_28_FROM_IP
Thread
Last Branch Record 28 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
69DH
1693
MSR_
LASTBRANCH_29_FROM_IP
Thread
Last Branch Record 29 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.
Table 35-37. Additional MSRs Supported by 6th Generation Intel® Core™ Processors Based on Skylake
Microarchitecture
Register
Address
Register Name
Scope
Bit Description
Hex
Dec