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Revision History

Intel

Celeron

Processor in the 478-Pin Package Specification Update

Revision History

Version Description

Date

-001

Initial release.

May 2002

-002

Added erratum AC35. Added Documentation Changes AC4- AC5.
Updated processor identification information table.

June 2002

-003

Added erratum AC37. Added Documentation Changes AC3- AC12.

July 2002

-004

Updated with Intel

Celeron

Processor on 0.13 Micron Process and in

the 478-Pin Package. Added erratum AC38. Updated Erratum AC17.
Added Documentation Changes AC3- AC24.

September

2002

-005

Added erratum AC39. Added Documentation Changes AC25- AC32.

October 2002

-006

Added Erratum AC40. Added Spec Change V1. Added Documentation
Changes AC1- AC10. Updated processor identification information table.

November

2002

-007

Added Erratum AC41.

January 2003

-008

Added Erratum AC42.

February 2003

-009

Updated Erratum AC41. Added erratum AC43.
Updated processor identification information table

March 2003

-010

Added Specification clarification AC1. Updated processor identification
information table. Added Errata AC44 and AC45.

May 2003

-011

Updated processor identification information table. Updated Erratum
AC40.

June 2003

-012

Updated processor identification information table. Added D1 step
update.

June 2003

-013

Added Erratum AC46, AC47 and AC49. Updated processor identification
information table.

August 2003

-014

Added Erratum AC49, AC50 and AC51. Updated processor identification
information table.

September

2003

-015

Updated Erratum AC51. Updated processor identification information
table.

November

2003

-016

Added Errata AC52- AC56.

March 2004

-017

Updated Erratum AC16. Added Erratum AC57.

April 2004

-018

Removed Errata that were previously called AC54 & AC55. Added Errata
AC56 and AC57.

June 2004

-019

Updated Erratum AC11 & added Erratum AC58.

August 2004

-020

Added Errata AC59- AC61.

September

2004

-021

Added Erratum AC62- AC63

October 2004

-022

Updated processor identification information table. Added Erratum V64

November

2004

Содержание Celeron Series

Страница 1: ...R Notice The Intel Celeron Processor in the 478 Pin Package may contain design defects or errors known as errata which may cause the product to deviate from published specifications Current characteri...

Страница 2: ...marked reserved or undefined Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them The Intel Cel...

Страница 3: ...ge Specification Update 3 Contents Revision History 4 Preface 6 Summary Tables of Changes 8 General Information 14 Component Identification Information 15 Errata 19 Specification Changes 46 Specificat...

Страница 4: ...Updated processor identification information table March 2003 010 Added Specification clarification AC1 Updated processor identification information table Added Errata AC44 and AC45 May 2003 011 Upda...

Страница 5: ...ble of changes Updated Microcode Update Guide and PDB file guide Added Erratum AC66 October 2005 026 Updated erratum AC40 January 2006 027 Updated document numbers for Software Developers Manuals Marc...

Страница 6: ...d Documents Document Title Document Number Intel Celeron Processor in the 478 Pin Package up to 1 80 GHz Datasheet http developer intel com design celeron datashts 251748 htm Intel Celeron Processor o...

Страница 7: ...ed specifications Hardware and software designed to be used with any given stepping must assume that all errata documented for that stepping are present on all devices Specification Changes are modifi...

Страница 8: ...s the following notations Codes Used in Summary Table Stepping X Erratum Specification Change or Clarification that applies to this stepping No mark or Blank Box This erratum is fixed in listed steppi...

Страница 9: ...process S 64 bit Intel Xeon processor with 800 MHz system bus 1 MB and 2 MB L2 cache versions T Mobile Intel Pentium 4 processor M V Mobile Intel Celeron processor on 13 Micron Process in Micro FCPGA...

Страница 10: ...X NoFix The IA32_MC1_STATUS register may contain incorrect information for correctable errors AC15 X X X NoFix Debug mechanisms may not function as expected AC16 X X X NoFix Machine check architectur...

Страница 11: ...Processor Does not Flag GP on Non zero Write to Certain MSRs AC36 X Fixed L2 cache may contain stale data in the Exclusive state AC37 X X X NoFix Simultaneous assertion of A20M and INIT may result in...

Страница 12: ...y Slow Memory Could Lead to a System Hang AC59 X X X No Fix Machine Check Exceptions May not Update Last Exception Record MSRs LERs AC60 X X No Fix Stores to Page Tables May Not Be Visible to Pagewalk...

Страница 13: ...ns ERRATA AC69 X X X NoFix Debug Status Register DR6 Breakpoint Condition Detected Flags May be set Incorrectly NO E0 nC1 nD1 SPECIFICATION CHANGES No update for this Month NO E0 nC1 nD1 SPECIFICATION...

Страница 14: ...ssor in the 478 pn package Figure 1 Example Markings for the Intel Celeron Processor on 0 13 Micron Process and or in the 478 Pin Package 2A GHZ 512 400 1 50V SYYYY XXXXXX FFFFFFFF NNNN i m 01 Frequen...

Страница 15: ...nstruction is executed with a 1 in the EAX register and the model field of the Device ID register accessible through Boundary Scan 3 The Brand ID corresponds to bits 7 0 of the EBX register after the...

Страница 16: ...7h 2 10 GHz 400 MHz FC PGA2 31 0 mm rev 1 0 2 5 SL6RS C1 128K 0F27h 2 10 GHz 400 MHz FC PGA2 31 0 mm rev 1 0 5 8 10 SL6VS D1 128K 0F29h 2 10 GHz 400 MHz FC PGA2 31 0 mm rev 1 0 5 8 9 SL6SY C1 128K 0F2...

Страница 17: ...8K 0F29h 2 30 GHz 400 MHz FC PGA2 31 0 mm rev 1 0 2 6 8 SL6T2 C1 128K 0F27h 2 30 GHz 400 MHz FC PGA2 31 0 mm rev 1 0 2 6 SL6T5 C1 128K 0F27h 2 30 GHz 400 MHz FC PGA2 31 0 mm rev 1 0 2 6 8 SL6VU C1 128...

Страница 18: ...Hz FC PGA2 31 0 mm rev 1 0 8 9 SL77V D1 128K 0F29h 2 80 GHz 400 MHz FC PGA2 31 0 mm rev 1 0 2 8 SL7EZ D1 128K 0F29h 1 60GHz 400MHz 31 0 mm FC Rev 1 0 2 8 SL7RU D1 128K 0F29h 1 80GHz 400MHz 31 0 mm FC...

Страница 19: ...e restart and shutdown of the processor Workaround If a system implementation must support both SMM and board I O restart the first thing the SMM handler code should do is check for a pending MCE If t...

Страница 20: ...action Is Not Retried after BINIT Problem If the first transaction of a locked sequence receives a HITM and DEFER during the snoop phase it should be retried and the locked sequence restarted However...

Страница 21: ...Instruction Problem If a data page fault PF and alignment check fault AC both occur for an unlocked CMPXCHG8B instruction then PF will be flagged Implication Software that depends AC before PF will b...

Страница 22: ...e counter are not written at the same time as the lower 32 bits the increment due to the non zero event counter may cause a carry to the upper bits such that the performance counter contains a value a...

Страница 23: ...ten by a different mechanism than the rest of the register For uncorrectable errors the other fields in the IA32_MC0_STATUS register are only updated by the first error Any subsequent errors cause the...

Страница 24: ...register matches and any one of those debug registers is enabled in DR7 all of the matches should be reported in DR6 when the processor goes to the debug handler This is not true during a REP instruc...

Страница 25: ...hould be logged in the IA32_MC2_STATUS register but no machine check exception should be generated Uncorrectable loads on bank 2 which would normally be logged in the IA32_MC2_STATUS register are not...

Страница 26: ...tion sequence CAUTION The processor s Thermal Monitor feature may not function if the timeout counter is not re enabled after completing the PCI initialization After the system is fully initialized th...

Страница 27: ...FDP may become corrupted Workaround This erratum will not occur with floating point exceptions masked If floating point exceptions are unmasked then performance counting of x87 loads should be disable...

Страница 28: ...write combines to the same address there is a small window where the L0 is corrupt and loads can retire with this corrupted data This erratum occurs in the following scenario A Read For Ownership RFO...

Страница 29: ...les located in write combining memory may return incorrect data Intel has not been able to reproduce this erratum with commercially available software Workaround Do not place page directories and or p...

Страница 30: ...2 Cache Line and ECC Error Combination May Result in Loss of Cache Coherency Problem When a Read for Ownership RFO cycle has a 64 bit address match with an outstanding read hit on a line in the L2 cac...

Страница 31: ...program the at retirement event Counting is enabled via counter configuration control registers CCCR while the event count is read from one of the associated counters When counting logic is configure...

Страница 32: ...L transaction to the same cache line address as an outstanding BRL or BRIL As it is not typical behavior for a single processor to have a BWL and a BRL BRIL concurrently outstanding to the same addres...

Страница 33: ...fore the WC Buffers write modified data back filling the L2 with stale data 7 The writeback from the WC Buffers completes leaving stale data for cacheline A in the Exclusive E state in the L2 cache Im...

Страница 34: ...the processor is not affected Workaround None identified Status For the steppings affected see the Summary Tables of Changes AC40 A Write to an APIC Register Sometimes May Appear to Have Not Occurred...

Страница 35: ...ossible that the processor may hang while trying to evict the line Implication If this erratum occurs it may result in a system hang Intel has not observed this erratum with any commercially available...

Страница 36: ...failure will be reported in the EAX register bit 0 however this failure can be ignored since it is not accurate Workaround It is possible for BIOS to workaround this issue by masking off bit 0 in the...

Страница 37: ...8 byte load lock onto the system bus A subsequent 8 byte store unlock is expected but instead a 4 byte store unlock occurs Correct data is provided since only the lower bytes change however external...

Страница 38: ...types does not introduce any functional failures such as system hangs or memory corruption Workaround None identified Status For the steppings affected see the Summary Tables of Changes AC51 A 16 bit...

Страница 39: ...ad in the microcode routine will trigger the data breakpoint resulting in a Debug Exception Implication An incorrect Debug Exception DB may occur if data breakpoint is placed on an FP instruction Inte...

Страница 40: ...RFO retries Implication This erratum has not been observed in any commercially available operating system or application The aliasing of memory regions a condition necessary for this erratum to occur...

Страница 41: ...nd the younger memory access Refer to the IA 32 Intel Architecture Software Developer s Manual for the correct way to update page tables Software that conforms to the Software Developer s Manual will...

Страница 42: ...e A BTS PEBS record can be written that will wrap at the 4G boundary IA32 or 2 64 boundary EMT64 mode and write memory outside of the BTS PEBS buffer Implication Software that uses BTS PEBS near the 4...

Страница 43: ...o the user Any higher priority architectural event that arrives and is handled while the interim paging event is occurring may see the modified value of CR2 Implication The value in CR2 is correct at...

Страница 44: ...ared Unaligned Data that Crosses a Cache Line without Proper Semaphores or Barriers May Expose a Memory Ordering Issue Problem Software which is written so that multiple agents can modify the same sha...

Страница 45: ...ebug register access MOV DRx r32 or MOV r32 DRx results in a general detect exception condition Implication Due to this erratum the breakpoint condition detected flags may be set incorrectly Workaroun...

Страница 46: ...in this section apply to the following documents Intel Celeron Processor in the 478 Pin Package Datasheet Intel 64 and IA 32 Intel Architectures Software Developer s Manual Volumes 1 2 A 2 B 3 A and...

Страница 47: ...d identify the relative time occurrence of processor events The counter s architecture includes the following components TSC flag A feature bit that indicates the availability of the time stamp counte...

Страница 48: ...The TSD flag allows use of this instruction to be restricted to programs and procedures running at privilege level 0 A secure operating system would set the TSD flag during system initialization to d...

Страница 49: ...on a per logical processor basis See Section 10 8 for detail on processor capabilities The first two methods use performance counters and can be set up to cause an interrupt upon overflow for samplin...

Страница 50: ...loper s Manual Volumes 1 2 A 2 B 3 A and 3 B All Documentation Changes will be incorporated into a future version of the appropriate Celeron processor documentation Note Documentation changes for IA 3...

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