Specification Update

Summary Tables of Changes
18 Specification Update
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
W50 X X X X X X X No Fix
A Write to an APIC
Register Sometimes May
Appear to Have Not
Occurred
W51 X X X X X X X No Fix
The Processor May Report
a #TS Instead of a #GP
Fault
W52 X X X X X X No Fix
BTS Message May Be Lost
When the STPCLK# Signal
Is Active
W53 X X X X X X No Fix
LER MSRs May be
Incorrectly Updated
W54 X X X X X X X No Fix
Writing the Local Vector
Table (LVT)
When an Interrupt Is
Pending May Cause an
Unexpected Interrupt
W55 No Fix
Removed – See erratum
W3
W56 X X X X X X X Plan Fix
FP Inexact-Result
Exception Flag May Not Be
Set
W57 X X X X X X X No Fix
MOV To/From Debug
Registers Causes Debug
Exception
W58 X X Plan Fix
Processor Digital Thermal
Sensor (DTS) Readout
Stops Updating upon
Returning from C3 State
W59 x X No Fix
LOCK# Asserted during a
Special Cycle Shutdown
Transaction May
Unexpectedly Deassert
W60 X X X X No Fix
Last Branch Records (LBR)
Updates May Be Incorrect
after a Task Switch
W61 X X X X No Fix
Address Reported by
Machine-Check
Architecture (MCA) on
Single-bit L2 ECC Errors
May Be Incorrect