Specification Update

MOBILE INTEL

CELERON

PROCESSOR at 466 MHz, 433 MHz, 400 MHz,

366 MHz, 333 MHz, 300 MHz, 266 MHz SPECIFICATION UPDATE

SUMMARY OF ERRATA

NO.

mcbA0 mcpA0

cmmA0 Plans ERRATA

H1 X X X NoFix FP data operand pointer may be incorrectly

calculated after FP access which wraps 64-Kbyte

boundary in 16-bit code

H2 X X X NoFix Differences exist in debug exception reporting

H3 X X X NoFix Code fetch matching disabled debug register may

cause debug exception

H4 X X X NoFix Double ECC error on read may result in BINIT#

H5 X X X NoFix FP inexact-result exception flag may not be set

H6 X X X NoFix BTM for SMI will contain incorrect FROM EIP

H7 X X X NoFix I/O restart in SMM may fail after simultaneous MCE

H8 X X X NoFix Branch traps do not function if BTMs are also

enabled

H9 X X X NoFix Machine check exception handler may not always

execute successfully

H10 X X X NoFix MCE due to L2 parity error gives L1 MCACOD.LL

H11 X X X NoFix LBER may be corrupted after some events

H12 X X X NoFix BTMs may be corrupted during simultaneous L1

cache line replacement

H13 X X X Fix Potential early deassertion of LOCK# during split-

lock cycles

H14 X X X NoFix A20M# may be inverted after returning from SMM

and Reset

H15 X X X Fix Reporting of floating-point exception may be delayed

H16 X X X NoFix Near CALL to ESP creates unexpected EIP address

H17 X X X Fix Built-in self test always gives nonzero result

H18 X X X Fix Cache state corruption in the presence of page A/D-

bit setting and snoop traffic

H19 X X X Fix Snoop cycle generates spurious machine check

exception

H20 X X X Fix MOVD/MOVQ instruction writes to memory

prematurely

H21 X X X NoFix Memory type undefined for nonmemory operations

H22 X X X NoFix FP data operand pointer may not be zero after

power on or reset

H23 X X X NoFix MOVD following zeroing instruction can cause

incorrect result