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Intel Corporation limits support for mixed steppings of the Intel® Itanium® 2 Processor (up to 9 MB L3 cache).
Mixed steppings of processors are only supported with the following paired combinations of A1 and A2 steppings of the Intel® Itanium® 2 Processor with up to 9 MB L3 cache, identified by the package S-Spec numbers (see the Intel® Itanium® 2 Processor Identification and Package Information table for details):
- SL7SD and SL8CY
- SL7ED and SL8CX
- SL7EC and SL8CW
- SL7EB and SL8CV
- SL87H and SL8CU
- SL7EF and SL8CZ
Intel® Server Platform SR870BH2 and Intel® Server Platform SR870BN4 fully supports mixing A1 and A2 stepping processors. The system BIOS will display the following message when mixed stepping processors are detected. This is normal. The message displayed is simply a notification, not an error, and it does not cause the system to halt/pause the boot process.
- Type of mixed stepping detection message:
"Processor Model, Processor Revision different"
WARNING
8193: CPUID, Processor stepping are different
WARNING
"Processor Model, Processor Revision different"
WARNING
8193: CPUID, Processor stepping are different
WARNING
8196: Processor Models are different
8196: Processor Models are different
This applies to:
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