Intel U1300 LE80538UE0042M Data Sheet
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Product codes
LE80538UE0042M
Summary Tables of Changes
12
Specification
Update
Stepping
Number
C0 D0
Dual
Core
Only
Plans ERRATA
AE21 X X
X No
Fix
Disable Execution-Disable Bit (IA32_MISC_ENABLES [34]) Is
Shared between Cores
Shared between Cores
AE22 X X
No
Fix
Last Branch Records (LBR) Updates May Be Incorrect after a
Task Switch
Task Switch
AE23 X X
No
Fix
Address Reported by Machine-Check Architecture (MCA) on
Single-Bit L2 ECC Errors May Be Incorrect
Single-Bit L2 ECC Errors May Be Incorrect
AE24 X X
No
Fix
Disabling of Single-Step On Branch Operation May Be Delayed
following a POPFD Instruction
following a POPFD Instruction
AE25 X X
No
Fix
Performance Monitoring Counters That Count External Bus
Events May Report Incorrect Values after Processor Power
State Transitions
Events May Report Incorrect Values after Processor Power
State Transitions
AE26 X X
No
Fix
VERW/VERR/LSL/LAR Instructions May Unexpectedly Update
the Last Exception Record (LER) MSR
the Last Exception Record (LER) MSR
AE27 X X
No
Fix
General Protection (#GP) Fault May Not Be Signaled on Data
Segment Limit Violation above 4-G Limit
Segment Limit Violation above 4-G Limit
AE28 X X
No
Fix
Performance Monitoring Events for Retired Floating Point
Operations (C1h) May Not Be Accurate
Operations (C1h) May Not Be Accurate
AE29 X X
No
Fix
DR3 Address Match on MOVD/MOVQ/MOVNTQ Memory Store
Instruction May Incorrectly Increment Performance Monitoring
Count for Saturating SIMD Instructions Retired (Event CFH)
Instruction May Incorrectly Increment Performance Monitoring
Count for Saturating SIMD Instructions Retired (Event CFH)
AE30 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
May Not Be Flushed by RSM instruction before Restoring the
Architectural State from SMRAM
AE31 X X
No
Fix
Data Breakpoint/Single Step on MOV SS/POP SS May Be Lost
after Entry into SMM
after Entry into SMM
AE32 X X
No
Fix
Code Segment Limit/Canonical Faults on RSM May be Serviced
before Higher Priority Interrupts/Exceptions and May Push the
Wrong Address Onto the Stack
before Higher Priority Interrupts/Exceptions and May Push the
Wrong Address Onto the Stack
AE33 X
Fixed
Hardware Prefetch Performance Monitoring Events May Be
Counted Inaccurately
Counted Inaccurately
AE34 X X
No
Fix
Pending x87 FPU Exceptions (#MF) following STI May Be
Serviced before Higher Priority Interrupts
Serviced before Higher Priority Interrupts
AE35 X X
No
Fix
Programming the Digital Thermal Sensor (DTS) Threshold May
Cause Unexpected Thermal Interrupts
Cause Unexpected Thermal Interrupts
AE36
X
X
Fixed
CPU_CLK_UNHALTED Performance Monitoring Event (3CH)
Counts Clocks When the Processor Is in the C1/C2 Processor
Power States
Counts Clocks When the Processor Is in the C1/C2 Processor
Power States
AE37
X
X
No Fix
The Processor May Report a #TS Instead of a #GP Fault
AE38
X
X
No Fix
BTS Message May Be Lost When the STPCLK# Signal Is Active
AE39 X X
No
Fix
Certain Performance Monitoring Counters Related to Bus, L2
Cache and Power Management Are Inaccurate
Cache and Power Management Are Inaccurate