AMD討論POST(74) 睇#1(Updating ) &有時間幫手填資料

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泰國飛機師 2022-12-22 21:01:18

送1條 4800 16gb真係多撚謝
無咩誠意唔鬼買

起碼都都兩條行雙通道呀

Jacksjoke 2022-12-22 21:45:38

等睇改5600mhz a die

林狗@123 2022-12-22 21:49:31

迫你買多條

仲要同款

泰國飛機師 2022-12-22 22:09:51

湯川。學 2022-12-22 22:13:06

4800 如果係hynix m die 都仲有得超下
問題係crucial

泰國飛機師 2022-12-22 22:23:28

買kingston 唔會用唔記得邊個牌子既die 好似係samsung
4800都超到上6000

琴吹七瀨 2022-12-23 18:38:12

Jacksjoke 2022-12-24 00:06:14

Samsung develops '12nm' DDR5 DRAM as CPU DDR5 support widens

https://www.zdnet.com/article/samsung-develops-12nm-ddr5-dram-as-ddr5-support-widens/

Jacksjoke 2022-12-25 13:07:14

AMD CEO Expected to Announce Zen 4 X3D, RDNA3 GPUs at CES Opening Keynote

https://www.extremetech.com/computing/341761-amd-ceo-expected-to-announce-zen-4-x3d-rdna3-gpus-at-ces-opening-keynote

•加藤恵• 2022-12-25 14:07:10

N32

O7 2022-12-25 15:28:32

係咪搞掂左個idle同multiscre power 問題

Jacksjoke 2022-12-25 15:30:28

https://arstechnica.com/gadgets/2022/12/amd-acknowledges-high-power-use-in-rx-7900-gpus-plans-driver-fixes/

Childs 2022-12-25 16:10:05

玩下DDR5
Spec: 7950X, ASUS X670 Extreme, G.Skill 6400C323939 16X2

Y-cruncher 20 cycles PASSED
Karhu ram test 10000% PASSED
TM5 25 cycles PASSED
真T1 (GDM Disabled)
最大溫度45度, 有風扇吹住

TM5 Error表
https://docs.google.com/spreadsheets/d/1A7G97QOL0dNMwJZa9SYEq2RElJ5T6Hcx9WdReTsnIWw/edit#gid=43560676

FCLK對應表

VDDIO = VDD = VDDQ 或 VDDIO = VDDQ +/- 20mv
VDD MISC = VDDG + 75/125mv
tRFC = 480 或低或高
tRFC2 = tRFC / 1.84375
tRFCsb = tRFC2 / 1.23
tRTP = 12, 14, 15, 17, 18, 20, 21, 23, 24, 26, 27, 29, 30, 32
tRAS = tRTP + tRCD
tRC = tRCD + tRAS
tFAW >=32 或 tRRDS X 4

16x2 32GB:
tWTRL >= 16
tWTRS > = 4
tRRDS / tRRDL >= 8
tRDRDSCL = 8
tWRWRSCL = 8 或 (8+7)X2-7 = 23
tWR >= 48 或 tRRDS/L 2者最大一個 + CL值 + 8