Datasheet

Datasheet Volume 2 of 2 23
LLC Coherence Engine (Cbox) and Caching Agent (Sbox)
Note: During power-on before Non-coherent (NC) freelist is available and programmed, only
one RTID is available and core is not expected to get into C6 unless freelist is
programmed.
NC RTID/freelist can be defeatured to minimum 3 in Intel Xeon Processor 7500 Series
(1st for NC victim, 2nd is required for making sure lock is sent out, 3rd one shared for
any other request), and minimum 4 in Intel Xeon Processor E7-8800/4800/2800
Product Families (4th one is required to make sure VN1 make progress).
MAF can be defeatured to minimum 5 in Intel Xeon Processor E7-8800/4800/2800
Product Families, SRT req table entry can be minimum 5 in maf_reserve defeature
mode.
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Table 4-3. RTID Generation 6 LLC (Last Level Cache) Slices
Sbox RTIDs Freelist Lengths Base RTIDs
16 6, 5, 5 0, 6, 11
24 8, 8, 8 0, 8, 16
32 11, 11, 10 0, 11, 22
48 12, 12, 12 0, 12, 24
64 12, 12, 12 0, 12, 24