AMD-K6-IIIE+550ACR AMD (ADVANCED MICRO DEVICES), AMD-K6-IIIE+550ACR Datasheet - Page 66

• Manufacturer Part Number: AMD-K6-IIIE+550ACR
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of AMD-K6-IIIE+550ACR

• Lead Free Status / RoHS Status: Not Compliant

AMD-K6™-IIIE+ Embedded Processor Data Sheet
3.2
44
Model-Specific Registers (MSR)
The AMD-K6-IIIE+ processor provides eleven Model-Specific
Registers (MSRs) in the standard-power versions and twelve
MSRs in the low-power versions.
Table 5 lists the MSRs and the corresponding value of the ECX
register. Figures 30 through 43 starting on page 45 show the
MSR formats.
Table 5.
Notes:
1. The EPMR register is supported in the low-power versions only of the AMD-K6-IIIE+ processor.
For more information about the MSRs, see the Embedded
AMD-K6™ Processors BIOS Design Guide Application Note, order#
23913.
For mo re info rma tio n abo ut the RD MSR and WRMSR
instructions, see the AMD K86™ Family BIOS and Software Tools
Development Guide, order# 21062.
Model-Specific Register
Machine Check Address Register (MCAR)
Machine Check Type Register (MCTR)
Test Register 12 (TR12)
Time Stamp Counter (TSC)
Extended Feature Enable Register (EFER)
SYSCALL/SYSRET Target Address Register (STAR)
Write Handling Control Register (WHCR)
UC/WC Cacheability Control Register (UWCCR)
Processor State Observability Register (PSOR)
Page Flush/Invalidate Register (PFIR)
Level-2 Cache Array Register (L2AAR)
Enhanced Power Management Register (EPMR)
The value in the ECX register selects the MSR to be
addressed by the RDMSR and WRMSR instructions.
The values in EAX and EDX are used as inputs and outputs
by the RDMSR and WRMSR instructions.
AMD-K6™-IIIE+ Processor Model-Specific Registers
Preliminary Information
Software Environment
1
23543A/0—September 2000
Value of ECX
C000_0080h
C000_0082h
C000_0085h
C000_0087h
C000_0088h
C000_0089h
C000_0086h
C000_0081h
00h
01h
0Eh
10h
Chapter 3