Intel® Xeon® 6700-Series Processor with E-Cores

Specification Update

ID Date Version Classification
820922 12/10/2025 Public

Errata Summary Table

Erratum ID Processor C Stepping HDCC Title
SRF1 No Fix Intel® VT-d Remapping Hardware Does Not Perform Reserved(0) Check on PGSNP Field of Scalable-Mode PASID Table Entry
SRF2 No Fix Remapping Hardware May Set Access/Dirty Bits in a First-stage Page-table Entry
SRF3 No Fix Machine Check Bank 4 UCNA Errors May Not be Signaled
SRF4 No Fix Platform May Hang if System Software Sends a Page Group Response or DevTLB Invalidation to Non-existent Requester ID
SRF5 No Fix Remapping Hardware Implements Bits [31:16] of the three Event Data Registers (VTDBAR offsets 0x3C, 0xA4, and 0xE4) as Read-Writable
SRF6 No Fix Performance Monitoring Event Branch Instruction Retired Will Not Count CALLs to Next Sequential Instruction
SRF7 No Fix Performance Monitoring Event Branch Instruction Retired Will Overcount on Certain Types of Branch and Complex Instructions
SRF8 No Fix Remapping Hardware May Encounter Incorrect Error Code in Invalidation Queue Error Record Register
SRF9 No Fix Processor Trace May Generate PSB Packets Too Infrequently
SRF10 No Fix Unsynchronized Cross-Modifying Code Operations Can Cause Unexpected Instruction Execution Results
SRF11 No Fix Address of Poisoned Data Line May Be Incorrectly Reported
SRF12 No Fix Locked Page Split Access May Not Be Detected by UC-lock Disable if Split-lock Disable is Not Used
SRF13 No Fix Intel® QuickAssist Technology Accelerator May Violate ATS Invalidation Completion Ordering
SRF14 No Fix Intel® QuickAssist Technology Accelerator Device May Not Invalidate PASID Supervisor-Privilege Translations
SRF15 No Fix RTTO May Occur at Lower Link Speed And Reduce Link Width
SRF16 No Fix PCIe Root Port May Fail to Set The RICFM Bit
SRF17 No Fix Intel® IAA Drop Initial Bits Field in AECS May Not Clear When Drop Initial Bits field is 8 Times Source1 Size
SRF18 No Fix Intel IAA/Intel DSA May Not Report Interrupt PASID Check Failure Error
SRF19 No Fix The Processor May Drop Noncompliant Posted Peer-to-Peer Transactions
SRF20 No Fix Unexpected Rollover in MBM Counters
SRF21 No Fix Remapping Hardware May Not Generate a Page Request Group Response Message While Operating in Legacy Mode or Abort DMA Mode
SRF22 Fixed Remapping Hardware May Abort ZLR to Second-Stage Write Only Pages
SRF23 No Fix Remapping Hardware Does Not Perform Reserved (0) Check in Page Response Descriptor
SRF24 No Fix I/O And Complex Operations May Hang in The Presence of Lines Marked Poisoned
SRF25 No Fix CHA UCNA Errors May Be Incorrectly Controlled by MC7_​CTL Enable Bits
SRF26 No Fix Errors May Occur During TOR CrashDump
SRF27 No Fix TOR_​TIMEOUT May Occur Due to RID Values Outside Range Limit
SRF28 No Fix DDR5 9x4 DIMMs ECS Data May Be Reported Incorrectly
SRF29 No Fix RETRY_​RD_​ERR_​LOG_​MISC.DDR5_​9x4_​half_​device Bit May Be Incorrect
SRF30 No Fix Intel DSA Memory Write with Incorrect Parity May Result in a System Crash
SRF31 No Fix Intel IAA Expand Operation With PRLE Format Input May Return an Error
SRF32 No Fix Processor Trace May Not Generate a CYC Packet Before MODE.EXEC Packets
SRF33 No Fix APPP Error May Be Logged Incorrectly in Machine Check Status Register ADDRV
SRF34 No Fix Intel DSA Does Not Report IDPT Entry in SWERROR or Event Log
SRF35 No Fix UBOXERRMISC_​CFG Registers Do Not Log Errors
SRF36 No Fix Intel DSA and Intel IAA Devices May Cause a Machine Check
SRF37 No Fix Intel DSA and Intel IAA Devices May Cause Invalid Translation Caching
SRF38 No Fix S and AR Bits of MCi_​STATUS Registers Unexpectedly Cleared by UCNA or CE
SRF39 No Fix Completion Timeout When Using Link IDE And Selective IDE
SRF40 No Fix Error Overflow Indication is Not Getting Set Properly When Back to Back Errors Occur
SRF41 No Fix Non Canonical Fault May Be Signaled on Access That Wraps Address Space When LAM is Enabled
SRF42 No Fix Intel RDT Memory Bandwidth Monitor (MBM) May Overcount Memory Bandwidth Measurements
SRF43 No Fix Intel RDT Memory Bandwidth Allocation (MBA) Cannot Throttle to Minimum Bandwidth
SRF44 No Fix Mirrored 128b ECC Mode May Not Log DRAM Address With Poison
SRF45 No Fix Cache Level Wrongly Reported in Machine Check Banks
SRF46 No Fix System Hang When Page Request Message Issued From Discrete Device
SRF47 No Fix PLR and PEM PCS_​PSTATE Not Asserted or Incremented
SRF48 Fixed Some PECI Wire Commands May Not be Serviced
SRF49 No Fix Unable to Access 32-bit Address MMIO Registers Out of Band
SRF50 No Fix PCIe TLP May be Lost After Link Down Event
SRF51 Fixed Invalid BMC Frame Data During Reset Cycling
SRF52 Fixed Unpredictable System Behavior May Occur When C6 or Deeper Sleep States Are Used
SRF53 Fixed A Core May Hang When Entering or Exiting C6 or Deeper Sleep States
SRF54 No Fix Reserved(0) Check For a PASID Table Entry May Not Happen For a DMA Request
SRF55 No Fix Remapping Hardware With Major Version Number 6 Incorrectly Advertises The ESRTPS Support
SRF56 No Fix Remapping Hardware Will Not Report The PASID Value For RTA.2 Faults in Modes Other Than Scalable Mode
SRF57 No Fix Remapping Hardware Does Not Perform a Reserved(0) Check in Interrupt Remap Table Entry
SRF58 No Fix Intel IAA Decompression Logic May Return Incorrect Values in Completion Record When All Source 1 Data is Dropped
SRF59 Fixed CPUID Returns Invalid Level Type
SRF60 No Fix Unexpected Recoveries With ASPM L1 in CXL Endpoint
SRF61 No Fix PCIe Infinite Recovery Loop During Link Equalization
SRF62 No Fix Incorrect B2CMI MCi_​STATUS_​SHADOW.CORRCOUNT Value
SRF63 Fixed Incorrect RAPL PPL1 Limit
SRF64 No Fix Incorrect Values For CHA ALL0 And CHA ALL1
SRF65 Fixed Boot Failure During BIOS Update With Missing CHA RTID Table
SRF66 No Fix CXL Mode Incorrectly Identifies ASPM L1 Aborts
SRF67 Fixed System Hang During Sideband and Traffic To B2CXL
SRF68 No Fix SYS_​RESET_​N Trigger May Lead to MCA_​GPSB_​TIMEOUT
SRF69 Fixed Intel® OOBMSM RDIAMSREX Command Unable to Access MSRs Under IERR Conditions
SRF70 No Fix Performance Monitoring Event For Memory Bound Stalls May Undercount
SRF71 No Fix PCIe Root Port May Not Reduce Link Width
SRF72 No Fix PMON Unit Control Unfreeze May Cause COUNTERVALUE Registers to Overcount

Specification Changes

Number Specification Changes
SChx None for this revision of this specification update.

Specification Clarifications

No. Specification Clarifications
SClx None for this revision of this specification update.

Documentation Changes

No. Documentation Changes
DChx None for this revision of the specification update.