DDR4 LRDIMM - 1.0 English

Versal Adaptive SoC Soft DDR4 SDRAM Memory Controller LogiCORE IP Product Guide (PG353)

Document ID
PG353
Release Date
2023-10-18
Version
1.0 English

The following table and figure show the three configurations supported for DDR4 LRDIMM.

For Dual Slot, dual-rank configuration, follow the chip select order shown in the following figure, where CS0 and CS1 are connected to Slot0 and CS2 and CS3 are connected to Slot1.

Table 1. DDR4 LRDIMM Configuration
Slot0 Slot1
Dual-rank Empty
Quad-rank Empty
Dual-rank Dual-rank
Figure 1. DDR4 LRDIMM Configuration