Model 8/[F:8] Registers; (Model 8/[F:8]); Table 12. Model-Specific Registers Supported By Model 8/[F:8] - AMD -K6-2/450 - MHz Processor Application Note

23913A/0—November 2000

Model 8/[F:8] Registers

Table 12. Model-Specific Registers Supported by Model 8/[F:8]

Register Name
Machine-Check Address Register
Machine-Check Type Register
Test Register 12
Time Stamp Counter
Extended Feature Enable Register
Write Handling Control Register
SYSCALL/SYSRET Target Address Register STAR
UC/WC Cacheability Control Register
Processor State Observability Register
Page Flush/Invalidate Register
Model 8/[F:8] Registers
Preliminary Information
The AMD-K6-2 processor Model 8/[F:8] and AMD-K6-2E
processor Model 8/[F:8] provides the ten MSRs listed in Table
12.
The contents of ECX select the MSR to be addressed by the
RDMSR and WRMSR instruction.
Mnemonic ECX Value
MCAR 00h
MCTR 01h
TR12 0Eh
TSC 10h
EFER C000_0080h
WHCR C000_0082h
C000_0081h
UWCCR C000_0085h
PSOR C000_0087h
PFIR C000_0088h
Embedded AMD-K6™ Processors BIOS Design Guide
Description Comments
page 16 Identical on all models
page 16 Identical on all models
page 16 Identical on all models
page 16 Identical on all models
page 24 Newly defined for Model 8/[F:8]
page 27 Newly defined for Model 8/[F:8]
page 22 Identical to Model 8/[7:0]
page 30 New for Model 8/[F:8]
page 34 New for Model 8/[F:8]
page 36 New for Model 8/[F:8]
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