Experience plowing: samsung timings

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For modders who hire with a strong passion for researching bios mods, most of them are interested in the field of learning technical specifications, today Blogtienao share a little knowledge about Timings, especially Vram Samsung Timings (real combat experience from FB Hoang Long - Hoang Lao Ta)

vga msi samsung
vga msi samsung
Samsung Timings
Samsung Timings

Samsung 4G has 3 types of bandwidth ratings: K4G41325FE-HC25> K4G41325FE-HC28> K4G41325FC.

K4G41325FC is the worst chip (removed information on the website, probably stopped production), few card companies used, only seen in PWCL 470/570 SS 4G 1DVI legendary sida running k over 173Mhz (6 pins) . FE and FC flash the wrong bios, then "teo" the card. So taking this type of bios flash for the other card when not clear, it is easy to "pass". Each bios is customized for each shiftrd, should not get him to plug her chin because it will not be true (run through is just lucky), 1 type of card that the company also regularly updates the bios to fix the error. Cards of Giabyte and Asus can go to the homepage to download the update to fix bugs + increase the hash, the bios that followed the card is not very good at first.


Samsung 8G has 3 bandwidth ratings: K4G80325FB-HC22> K4G80325FB-HC25> K4G80325FB-HC28
Sources: https://www.samsung.com/semiconductor/dram/gddr5/

Which leads to overcloker capabilities of AMD cards, depending on which RAM chip it uses, not just Samsung.

To know what kind of chip it uses, it cannot be used to see the soft (can only know FB, FC or FC but not HC- what), must scan RAM chip on the card

Samsung Timings
Samsung Timings

Samsung custom timing:

UberMix v3.2:
777000000000000022CC1C00CEE55C46C0590E1532CD66090060070014051420FA8900A00300000012123442C3353C19

UberMix v3.1:
777000000000000022CC1C00AD615C41C0590E152ECC8608006007000B031420FA8900A00300000010122F3FBA354019

1750 / 2000Mhz Mix
777000000000000022CC1C00106A6D4DD0571016B90D060C006AE70014051420FA8900A0030000001E123A46DB354019

1625 / 2000Mhz Mix
777000000000000022CC1C00CE616C47D0570F15B48C250B006AE7000B031420FA8900A0030000001E123A46DB354019

A17 (for 8G):
777000000000000022CC1C00106A5D4DD0571016B90D060C0060070014051420FA8900A0030000001011333DC0303A17

617 (for 4G):
777000000000000022CC1C00CE615C45C0571016B30CD50900400700140514207A8900A00300000010103139962C3617

Before, Blogtienao has launched the "Common mistake"This is a place to share knowledge for beginners to learn about buffalo plows, specialized virtual money miners. This category will help both newbies and experienced ones have more qualifications and knowledge to deal with problems encountered by buffalo plows, asic diggers, ... We wish the miners' support. If you have any good experiences, please feel free to email blogtienao@gmail.com

According to FB Hoang Long
Translated by Blogtienao.com

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