I don't think that is exactly true. DRAM from SDRAM up has had a number of mode ... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		kenz0r on July 26, 2014 \| parent \| context \| favorite \| on: DDR4 memory interface I don't think that is exactly true. DRAM from SDRAM up has had a number of mode registers to control the ram. More info here: http://en.wikipedia.org/wiki/Synchronous_dynamic_random-acce...

cnvogel on July 26, 2014 [–]

Exactly. ...here's the table for command accesses on DDR4, including the mode register you referred to.

http://en.wikipedia.org/wiki/DDR4_SDRAM#Command_encoding

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact