Datasheet

Processor Uncore Configuration Registers
398 Datasheet, Volume 2
4.2.12.36 RIRILV1OFFSET_4—RIR Range Rank Interleave 1 
OFFSET Register
4.2.12.37 RIRILV2OFFSET_4—RIR Range Rank Interleave 2 
OFFSET Register
RIRILV1OFFSET_4
Bus: 1 Device: 15 Function: 2 Offset: 1A4h
Bus: 1 Device: 15 Function: 3 Offset: 1A4h
Bus: 1 Device: 15 Function: 4 Offset: 1A4h
Bus: 1 Device: 15 Function: 5 Offset: 1A4h
Bit Attr
Reset
Value
Description
31:20 RV 0h Reserved
19:16 RW-LB 0h
RIR_RNK_TGT1
Target rank ID for rank interleave 1 (used for 1/2/4/8-way RIR interleaving).
15 RV 0h Reserved
14:2 RW-LB 0h
RIR_OFFSET1
RIR[5:0].RANKOFFSET1[38:26] == rank interleave 1 offset, 64 MB granularity
(processor’s minimum rank size is 512 MB. 512 MB/8 interleave = 64 MB per 8-
way interleave.)
1:0 RV 0h Reserved
RIRILV2OFFSET_4
Bus: 1 Device: 15 Function: 2 Offset: 1A8h
Bus: 1 Device: 15 Function: 3 Offset: 1A8h
Bus: 1 Device: 15 Function: 4 Offset: 1A8h
Bus: 1 Device: 15 Function: 5 Offset: 1A8h
Bit Attr
Reset
Value
Description
31:20 RV 0h Reserved
19:16 RW-LB 0h
RIR_RNK_TGT2
Target rank ID for rank interleave 2 (used for 1/2/4/8-way RIR interleaving).
15 RV 0h Reserved
14:2 RW-LB 0h
RIR_OFFSET2
RIR[5:0].RANKOFFSET2[38:26] == rank interleave 2 offset, 64 MB granularity
(processor’s minimum rank size is 512 MB. 512 MB/8 interleave = 64 MB per 8-
way interleave.)
1:0 RV 0h Reserved