Memory Mode

In this mode, PMEMs act as volatile system memory, while DRAM DIMMs act as cache.

With one processor

Table 1. Memory population in Memory Mode with one processor

D: DRAM DIMMs with 16 GB or larger capacity P: Persistent Memory Module (PMEM)
Configuration	Processor 1
	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1
8 DIMMs and 8 PMEMs	D	P	D	P	D	P	D	P	P	D	P	D	P	D	P	D
8 DIMMs and 4 PMEMs	D		D	P	D		D	P	P	D		D	P	D		D
4 DIMMs and 4 PMEMs	P		D		P		D			D		P		D		P

With two processors

Table 2. Memory population in Memory Mode with two processors

D: DRAM DIMMs with 16 GB or larger capacity P: Persistent Memory Module (PMEM)
Configuration	Processor 1
	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1
16 DIMMs and 16 PMEMs	D	P	D	P	D	P	D	P	P	D	P	D	P	D	P	D
16 DIMMs and 8 PMEMs	D		D	P	D		D	P	P	D		D	P	D		D
8 DIMMs and 8 PMEMs	P		D		P		D			D		P		D		P
Configuration	Processor 2
	32	31	30	29	28	27	26	25	24	23	22	21	20	19	18	17
16 DIMMs and 16 PMEMs	D	P	D	P	D	P	D	P	P	D	P	D	P	D	P	D
16 DIMMs and 8 PMEMs	D		D	P	D		D	P	P	D		D	P	D		D
8 DIMMs and 8 PMEMs	P		D		P		D			D		P		D		P