Intel E6600 Specification Update - Page 12

Intel E6600 - Core 2 Duo Dual-Core Processor Manual

Page 12 highlights

Summary Tables of Changes NO B1 B2 L2 M0 G0 Plan ERRATA AI31 X X X X Fixed Performance Monitoring Events for Retired Loads (CBH) and Instructions Retired (C0H) May Not Be Accurate AI32 X X X X X No Fix Upper 32 bits of 'From' Address Reported through BTMs or BTSs May be Incorrect AI33 X X X Fixed Unsynchronized Cross-Modifying Code Operations Can Cause Unexpected Instruction Execution Results MSRs Actual Frequency Clock Count (IA32_APERF) or Maximum AI34 X X X X X No Fix Frequency Clock Count (IA32_MPERF) May Contain Incorrect Data after a Machine Check Exception (MCE) AI35 X X X X X No Fix Incorrect Address Computed For Last Byte of FXSAVE/FXRSTOR Image Leads to Partial Memory Update AI36 X X X X X No Fix Split Locked Stores May not Trigger the Monitoring Hardware AI37 X X Fixed REP CMPS/SCAS Operations May Terminate Early in 64-bit Mode when RCX >= 0X100000000 AI38 X X X X Fixed FXSAVE/FXRSTOR Instructions which Store to the End of the Segment and Cause a Wrap to a Misaligned Base Address (Alignment

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Summary Tables of Changes
12
Intel
®
Core™2 Extreme Processor X6800 and
Intel
®
Core™2 Duo Desktop Processor E6000 and E4000 Sequence
Specification Update
NO
B1
B2
L2
M0
G0
Plan
ERRATA
AI31
X
X
X
X
Fixed
Performance Monitoring Events for Retired Loads (CBH) and
Instructions Retired (C0H) May Not Be Accurate
AI32
X
X
X
X
X
No Fix
Upper 32 bits of 'From' Address Reported through BTMs or
BTSs May be Incorrect
AI33
X
X
X
Fixed
Unsynchronized Cross-Modifying Code Operations Can Cause
Unexpected Instruction Execution Results
AI34
X
X
X
X
X
No Fix
MSRs Actual Frequency Clock Count (IA32_APERF) or Maximum
Frequency Clock Count (IA32_MPERF) May Contain Incorrect
Data after a Machine Check Exception (MCE)
AI35
X
X
X
X
X
No Fix
Incorrect Address Computed For Last Byte of FXSAVE/FXRSTOR
Image Leads to Partial Memory Update
AI36
X
X
X
X
X
No Fix
Split Locked Stores May not Trigger the Monitoring Hardware
AI37
X
X
Fixed
REP CMPS/SCAS Operations May Terminate Early in 64-bit
Mode when RCX >= 0X100000000
AI38
X
X
X
X
Fixed
FXSAVE/FXRSTOR Instructions which Store to the End of the
Segment and Cause a Wrap to a Misaligned Base Address
(Alignment <= 0x10h) May Cause FPU Instruction or Operand
Pointer Corruption
AI39
X
X
X
X
Fixed
Cache Data Access Request from One Core Hitting a Modified
Line in the L1 Data Cache of the Other Core May Cause
Unpredictable System Behavior
AI40
X
X
X
X
Fixed
PREFETCHh Instruction Execution under Some Conditions May
Lead to Processor Livelock
AI41
X
X
X
X
Fixed
PREFETCHh Instructions May Not be Executed when Alignment
Check (AC) is Enabled
AI42
X
X
X
X
Fixed
Upper 32 Bits of the FPU Data (Operand) Pointer in the FXSAVE
Memory Image May Be Unexpectedly All 1's after FXSAVE
AI43
X
X
X
Fixed
Concurrent Multi-processor Writes to Non-dirty Page May
Result in Unpredictable Behavior
AI44
X
X
X
X
Fixed
Performance Monitor IDLE_DURING_DIV (18h) Count May Not
be Accurate
AI45
X
X
X
X
X
No Fix
Values for LBR/BTS/BTM will be Incorrect after an Exit from
SMM
AI46
X
X
X
X
X
No Fix
Shutdown Condition May Disable Non-Bootstrap Processors
AI47
X
X
Fixed
SYSCALL Immediately after Changing EFLAGS.TF May Not
Behave According to the New EFLAGS.TF
AI48
X
X
X
X
X
No Fix
Code Segment Limit/Canonical Faults on RSM May be Serviced
before Higher Priority Interrupts/Exceptions
AI49
X
X
X
X
X
No Fix
VM Bit is Cleared on Second Fault Handled by Task Switch from
Virtual-8086 (VM86)
AI50
X
X
X
X
Fixed
IA32_FMASK is Reset during an INIT
AI51
X
X
X
X
X
No Fix
An Enabled Debug Breakpoint or Single Step Trap May Be
Taken after MOV SS/POP SS Instruction if it is Followed by an
Instruction That Signals a Floating Point Exception