35-52 Vol. 3C
MODEL-SPECIFIC REGISTERS (MSRS)
200H
512
IA32_MTRR_PHYSBASE0
Unique
See Table 35-2.
201H
513
IA32_MTRR_PHYSMASK0
Unique
See Table 35-2.
202H
514
IA32_MTRR_PHYSBASE1
Unique
See Table 35-2.
203H
515
IA32_MTRR_PHYSMASK1
Unique
See Table 35-2.
204H
516
IA32_MTRR_PHYSBASE2
Unique
See Table 35-2.
205H
517
IA32_MTRR_PHYSMASK2
Unique
See Table 35-2.
206H
518
IA32_MTRR_PHYSBASE3
Unique
See Table 35-2.
207H
519
IA32_MTRR_PHYSMASK3
Unique
See Table 35-2.
208H
520
IA32_MTRR_PHYSBASE4
Unique
See Table 35-2.
209H
521
IA32_MTRR_PHYSMASK4
Unique
See Table 35-2.
20AH
522
IA32_MTRR_PHYSBASE5
Unique
See Table 35-2.
20BH
523
IA32_MTRR_PHYSMASK5
Unique
20CH
524
IA32_MTRR_PHYSBASE6
Unique
20DH
525
IA32_MTRR_PHYSMASK6
Unique
20EH
526
IA32_MTRR_PHYSBASE7
Unique
20FH
527
IA32_MTRR_PHYSMASK7
Unique
250H
592
IA32_MTRR_FIX64K_
00000
Unique
258H
600
IA32_MTRR_FIX16K_
80000
Unique
259H
601
IA32_MTRR_FIX16K_
A0000
Unique
268H
616
IA32_MTRR_FIX4K_C0000
Unique
See Table 35-2.
269H
617
IA32_MTRR_FIX4K_C8000
Unique
See Table 35-2.
26AH
618
IA32_MTRR_FIX4K_D0000 Unique
See Table 35-2.
26BH
619
IA32_MTRR_FIX4K_D8000 Unique
See Table 35-2.
26CH
620
IA32_MTRR_FIX4K_E0000
Unique
See Table 35-2.
26DH
621
IA32_MTRR_FIX4K_E8000
Unique
See Table 35-2.
26EH
622
IA32_MTRR_FIX4K_F0000
Unique
See Table 35-2.
26FH
623
IA32_MTRR_FIX4K_F8000
Unique
See Table 35-2.
277H
631
IA32_PAT
Unique
See Table 35-2.
2FFH
767
IA32_MTRR_DEF_TYPE
Unique
Default Memory Types (R/W)
See Table 35-2.
309H
777
IA32_FIXED_CTR0
Unique
Fixed-Function Performance Counter Register 0 (R/W)
See Table 35-2.
309H
777
MSR_PERF_FIXED_CTR0
Unique
Fixed-Function Performance Counter Register 0 (R/W)
Table 35-3. MSRs in Processors Based on Intel® Core™ Microarchitecture (Contd.)
Register
Address
Register Name
Shared/
Unique
Bit Description
Hex
Dec