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Register Description
D15343-003 69
4.8.23 SCICMD – SCI Error Command Register (Device #0)
This register enables various errors to generate a SCI Hub Interface Special cycle. When an Error
Flag is set in the ERRSTS register, it can generate a SERR, SMI, or SCI Hub Interface Special
cycle when enabled in the ERRCMD, SMICMD, or SCICMD registers respectively.
Note: An error can generate one and only one Hub Interface Error Special cycle. It is software's
responsibility to make sure that when an SCI error message is enabled for an error condition, SERR
and SMI Error Messages are disabled for that same error condition.
Address Offset:
Default Value:
Access:
Size:
67h
00h
Read/Write
8 bits
Bit Description
7:4 Reserved
3 SCI on GMCH Thermal Sensor Trip:
1: An SCI Hub Interface Special cycle is generated by GMCH when the Thermal Sensor Trip
requires an SCI. A Thermal Sensor Trip Point cannot generate more than one special cycle.
2 Reserved
1 SCI on Multiple-bit ECC Error:
0: This system does not support ECC, this field must be set to 0.
0 SCI on Single-bit ECC Error:
0: This system does not support ECC, this field must be set to 0.