Specification Update

Summary Tables of Changes
Specification Update 19
Steppings
NO.
B-1 CPU
Signature
= 06D6h
C-0 CPU
Signature
= 06D8h
B-1 CPU
Signature
= 0695h
C-0 CPU
Signature
= 06E8h
D-0 CPU
Signature
= 06ECh
B-2 CPU
Signature
= 06F6h
A-1 CPU
Signature
= 10661h
Plans
ERRATA
W62 X X X No Fix
Disabling of Single-step
On Branch Operation May
Be Delayed following a
POPFD Instruction
W63 X X No Fix
Performance Monitoring
Counters That Count
External Bus Events May
Report Incorrect Values
after Processor Power
State Transitions
W64 X X X X No Fix
VERW/VERR/LSL/LAR
Instructions May
Unexpectedly Update the
Last Exception Record
(LER) MSR
W65 X X X No Fix
Performance Monitoring
Events for Retired Floating
Point Operations (C1h)
May Not Be Accurate
W66 X X X X X X No Fix
Global Pages in the Data
Translation Look-Aside
Buffer (DTLB) May Not Be
Flushed by RSM
Instruction before
Restoring the Architectural
State from SMRAM
W67 X X X No Fix
Data Breakpoint/Single
Step on MOV SS/POP SS
May Be Lost after Entry
into SMM
W68 X X X No Fix
Hardware Prefetch
Performance Monitoring
Events May Be Counted
Inaccurately
W69 X X X X No Fix
Programming the Digital
Thermal Sensor (DTS)
Threshold May Cause
Unexpected Thermal
Interrupts
W70
Removed - See Erratum
W51
W71
Removed - See Erratum
W50
W72
Removed - See Erratum
W53