AMD AMD-K6-2/450 Design Guide - Page 86
Table 31., Standard Feature Flag Descriptions, Time Stamp Counter with RDTSC and CR4 disable
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Preliminary Information Embedded AMD-K6™ Processors BIOS Design Guide 23913A/0-November 2000 Table 31. Standard Feature Flag Descriptions Bit Feature1 AMD-K6E Processor (Model 7) 0 Floating-Point Unit 1 1 Virtual Mode Extensions 1 2 Debugging Extensions 1 3 Page Size Extensions (4-Mbyte pages) 1 4 Time Stamp Counter (with RDTSC and CR4 disable bit) 1 5 K86 Family of Processors' Model-Specific Registers (with RDMSR and WRMSR) 1 6 PAE (Page Address Extensions) 0 7 Machine Check Exception 1 8 CMPXCHG8B Instruction 1 9 APIC 0 10 Reserved on all AMD processors 0 11 SYSENTER/SYSEXIT 0 12 Memory Type Range Registers 0 13 Global Paging Extension 1 14 Machine Check Architecture 0 15 Conditional Move Instruction 0 16 PAT (Page Attribute Table) 0 17 PSE-36 (Page Size Extensions) 0 18-21 Reserved on all AMD processors 0 22 AMD Multimedia Instruction Extensions 0 23 MMX Instructions 1 24 FXSAVE/FXRSTOR 0 25 Streaming SIMD Extensions (SSE) 0 26-29 Reserved on all AMD processors 0 30 AMD 3DNow! Instruction Extensions 0 31 AMD 3DNow! Instructions 1 Notes: 1. Bit definitions: 0 = No Support, 1 = Support. AMD-K6-2 & AMD-K6-2E Processors (Model 8) 1 1 1 1 1 1 0 1 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 AMD-K6-III Processor (Model 9) AMD-K6-2E+ and AMD-K6-IIIE+ Processors (Model D) 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 1 74 Appendix A