很酷的视频：计算机是如何工作的？探索主内存，以DDR5为例

fftq123

https://www.bilibili.com/video/B ... d27e23c81c8448be5e0
Table of Contents:
00:00 - Intro to Computer Memory
00:47 - DRAM vs SSD
02:23 - Loading a Video Game
03:25 - Parts of this Video
04:07 - Notes
06:10 - Intro to DRAM, DIMMs & Memory Channels
10:43 - Crucial Sponsorship
12:09 - Inside a DRAM Memory Cell
15:28 - An Small Array of Memory Cells
17:41 - Reading from DRAM
19:38 - Writing to DRAM
21:55 - Refreshing DRAM
23:16 - Why DRAM Speed is Critical
25:06 - Complicated DRAM Topics: Row Hits
26:21 - DRAM Timing Parameters
27:51 - Why 32 DRAM Banks?
29:17 - DRAM Burst Buffers
30:58 - Subarrays
32:02 - Inside DRAM Sense Amplifiers
34:24 - Outro to DRAM

tuitj2

这种科普最好了

d__xin

没有讲开机BIOS过程，略有瑕疵