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Staro 22.04.2017., 12:12   #2572
Gigi1
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Datum registracije: Feb 2005
Lokacija: Zagreb
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Autor warlock25 Pregled postova
http://valid.x86.fr/v3l384

Smeta li ovoliki bclk grafi?
Nesto asm citao da na am4 veci bclk od 100 moze radit probleme pcie hardveru(grafa,m2...)

Edit:Superposition Unigine prosao bez beda pa onda valda grafa radi normalno
Eh da gpu-z mi pokazuje samo pcie x16 2.0 umjesto 3.0 i to vjerojatno zato kaj sam dirao bclk
osobno ne bi tolko dizao bclk, odvagni isplati li se imati 2-3% bolje perf na ustrb potencijalnih problema sa ssd, gpu itd...

cini se da je bclk stavljen da bi ekipa mogla rusit rekorde, a ne za 24/7 use, ako nekad u buducnosti nadodaju djelitelj ili nesto slicno pa da ne utjece na pcie onda ok.


https://forums.anandtech.com/threads...nical.2500572/

Citiraj:
Overclocking the base clock (BCLK) on AM4 platform is possible, however generally not recommended. This is due to its frequency relations with other interfaces, such as the PCIe. Unlike with Intel's more recent CPUs, there is no asynchronous mode (straps / gears) available, which would allow stepping down the PCIe frequency at certain intervals. The PCIe frequency relation is fixed and therefore it increases at the same rate with the BCLK. Gen. 3 operation can generally be sustained up to ~107MHz frequency and higher speeds will usually require forcing the links to either Gen. 2 or to Gen. 1 modes.

Unstable PCIe can cause various issues, such as system crashes, data corruption (M.2 SSDs), graphical artifacts and various kinds of other undefined behavior.

https://www.techpowerup.com/reviews/...caling/24.html
Citiraj:
performance loss (1-2%) between PCI-Express 3.0 x16 and PCI-Express 2.0 x16
edit: ne isplati ti se ganjat bclk, kolko se dobije oc-om tolko se negdje gubi kod gpu

edit2: stilt coruptao m2 ssd
Citiraj:
No idea what other issues there might be, since I haven't extensively tested it (for obvious reasons).
Corrupting the M.2 drive at 107MHz (Gen. 3) was enough for me.
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Zadnje izmijenjeno od: Gigi1. 22.04.2017. u 16:11.
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