Error Cases - Intel 460GX Software Developer’s Manual

Data Integrity and Error Handling
Table 6-1. Error Cases
Chip
Error
Detecting
System Bus 1x SDC
ECC
System Bus 2x SDC
ECC
Mem 1x ECC SDC
Mem 2x ECC SDC
SAC to SDC Interface Errors
PDB Command SDC
Parity Error
RSP Bus SDC
Transmission Error
ITID Parity Error SDC
PDB Receive SDC
Length Error
PDB Data Parity SDC
Error
PDB Byte Enables SDC
Parity Error
Configuration SDC
Information Parity
Error
False retirement SAC
seen by SAC
Retirement Bus SAC
Parity Error
PDB ITID Parity SAC
Error
'Store-Retire' SAC
Underflow
System Bus ADD/CMND
Address Parity SAC
Error
6-16
System
Action
Correct the data and SDC_FERR[SECF],
pass to bus. FERR_SAC[SNE]
Conditional Interrupt.
Write into memory with SDC_FERR[DEDF],
bad ECC (poison data). FERR_SAC[SNE]
Conditional Interrupt.
Correct the data and SDC_FERR[SECx],
pass to bus. FERR_SAC[SCME]
Conditional Interrupt.
Pass to system bus with SDC_FERR[DEDx],
bad ECC (poison data). FERR_SAC[SNE]
Conditional Interrupt.
Unconditional BINIT# SDC_FERR[CPE],
FERR_SAC[SFE]
Unconditional BINIT# SDC_FERR[RTE],
FERR_SAC[SFE]
Unconditional BINIT# SDC_FERR[IPE],
FERR_SAC[SFE]
Unconditional BINIT# SDC_FERR[RLE],
DPBRLE_FERR,
FERR_SAC[SFE]
Failing Chunk of Data SDC_FERR[DPE],
will be put in memory FERR_SAC[SNE]
with bad ECC
(poisoned),
Conditional Interrupt.
Entire Line of Data will SDC_FERR[BPE],
be put in memory with FERR_SAC[SNE]
bad ECC (poisoned),
Conditional Interrupt.
Unconditional BINIT# SDC_FERR[CIE],
FERR_SAC[SFE]
Unconditional BINIT# FERR_SAC[FRE]
Unconditional BINIT# FERR_SAC[RPE]
Unconditional BINIT# FERR_SAC[IPE]
Unconditional BINIT# FERR_SAC[SCxx]
Conditional BINIT# FERR_SAC[AE]
Status
Register Register
SECF_D_FERR,
SECF_ECC_FERR,
SECF_TXINFO_FERR,
FSETID
DEDF_D_FERR,
DEDF_ECC_FERR,
DEDF_TXINFO_FERR,
FSETID
SECx_D_FERR,
SECx_ECC_FERR,
SECx_TXINFO_FERR,
SECTID
DEDx_D_FERR,
DEDx_ECC_FERR,
DEDx_TXINFO_FERR,
DEDTID
PCMD_FERR
SDCRSP_FERR
PITID_FERR
Nothing
PVD_D_FERR,
PVD_PAR_FERR,
PVD_TXINFO_FERR
PVD_D_FERR,
PVD_PAR_FERR,
PVD_TXINFO_FERR
Nothing
Nothing
Nothing
Nothing
Nothing
SA_FERR
Intel® 460GX Chipset Software Developer's Manual
Log
Qualifier
SNE
Enable
SNE
Enable
SCME
Enable
SNE
Enable
SNE
Enable
SNE
Enable
Flag
System
Bus
Parity
Errors