sergmann Posted February 11 Author Share Posted February 11 For Z790x Tachyon and 12th gen CPU’s. You guys need 12900k for deactivation on e-cores and selection of 0x15 microcode. After it it save settings and replace CPU with another one. After it DON’T press cmos! Then you can run also 12600k with it. For me it works fine https://hwbot.org/submission/5479225_sergmann_y_cruncher___pi_1b_core_i5_12600k_(6p)_16sec_765ms 1 Quote Link to comment Share on other sites More sharing options...
unityofsaints Posted February 11 Share Posted February 11 7 hours ago, sergmann said: For Z790x Tachyon and 12th gen CPU’s. You guys need 12900k for deactivation on e-cores and selection of 0x15 microcode. After it it save settings and replace CPU with another one. After it DON’T press cmos! Then you can run also 12600k with it. For me it works fine https://hwbot.org/submission/5479225_sergmann_y_cruncher___pi_1b_core_i5_12600k_(6p)_16sec_765ms I don't own a 12900K so I can't run a 12600K/KF? 🤔 Quote Link to comment Share on other sites More sharing options...
sergmann Posted February 12 Author Share Posted February 12 If you have 13th or 14th gen CPU`s try to disable e-cores and set for example 50/45 without e-cores. Reboot sys and power it off. Haven`t tested it but it could work. With G7400T I can start Sys also but couldn`t select 0x09 microcode. 1 Quote Link to comment Share on other sites More sharing options...
Lionson Posted February 13 Share Posted February 13 Hello, Im currently owning a z690 tachyon. I want to flash it to z790 xoc, how can I do it ? How can I fix if it's brick the BIOS Port (I know that tachyon has 2 BIOS but just in case). Also, z690 can be flashed into tachyon x XOC ? Already thanks for answer if there is any ! Have a good day Quote Link to comment Share on other sites More sharing options...
sergmann Posted February 15 Author Share Posted February 15 On 2/13/2024 at 10:33 PM, Lionson said: Hello, Im currently owning a z690 tachyon. I want to flash it to z790 xoc, how can I do it ? How can I fix if it's brick the BIOS Port (I know that tachyon has 2 BIOS but just in case). Also, z690 can be flashed into tachyon x XOC ? Already thanks for answer if there is any ! Have a good day You don’t need to flash XOC bios from z790, I have uploaded already X7p bios for z690 also in the z690 thread 😉 Quote Link to comment Share on other sites More sharing options...
freak77power Posted February 26 Share Posted February 26 (edited) X7p Bios GSkill Hynix A Die - 8000 kit@8400 Intel 14900k SA - 1.3v TX - 1.3v VDD2 - 1.35v -> HW reads 1.375 but it is set to 1.35 in BIOS. Memory Voltage 1.5v/1.5v Speed 8400, default timing Advanced Memory Overclocking - Flare CPU - Default Settings Low Latency Mode in Bios - Enabled High Bandwidth Mode in Bios - Enabled Edited February 26 by freak77power 1 Quote Link to comment Share on other sites More sharing options...
Vertex_FR Posted March 5 Share Posted March 5 @sergmann back to Tachyon X, the review will come tomorrow now i'm playing with gear 4 but i think i miss something. i can't even train over 8400 Mt/s in gear 4 while gear 2 train up to 8800 Mt/s. I've tryed bclk 100 + 84 strap or bclk 84 with 100 strap but nothing work above. under OS i can increase bclk to reach 9000-9200 Mt/s. my settings : SA 1,2V VDDQ 1,3V VDD2 1,4V Fuzzy + rdeq mode 1 or 2 mem 1,5 /1,4 67 126 126 126 127 Quote Link to comment Share on other sites More sharing options...
sergmann Posted March 8 Author Share Posted March 8 On 3/5/2024 at 11:13 PM, Vertex_FR said: @sergmann back to Tachyon X, the review will come tomorrow now i'm playing with gear 4 but i think i miss something. i can't even train over 8400 Mt/s in gear 4 while gear 2 train up to 8800 Mt/s. I've tryed bclk 100 + 84 strap or bclk 84 with 100 strap but nothing work above. under OS i can increase bclk to reach 9000-9200 Mt/s. my settings : SA 1,2V VDDQ 1,3V VDD2 1,4V Fuzzy + rdeq mode 1 or 2 mem 1,5 /1,4 67 126 126 126 127 Have you tried Gear4 profile, which is included in X7p? It’s a good starting point. Not all CPU’s like Gear4, with 86x112 Profile you can check it really quick. please choose only slot b for Gear4! with good gear4 cpu and Mem you are able to start with 10k on Air and choose BCLK Buttons for frequency changing Quote Link to comment Share on other sites More sharing options...
Vertex_FR Posted March 8 Share Posted March 8 3 hours ago, sergmann said: Have you tried Gear4 profile, which is included in X7p? It’s a good starting point. Not all CPU’s like Gear4, with 86x112 Profile you can check it really quick. please choose only slot b for Gear4! with good gear4 cpu and Mem you are able to start with 10k on Air and choose BCLK Buttons for frequency changing already tested with this profile with my 14600KF, i will have a try next time with others CPU ( 2 14600KF, 14900KF and 13900KS). maybe one of those should work better. need to be ready for cold session in few week Quote Link to comment Share on other sites More sharing options...
sergmann Posted March 8 Author Share Posted March 8 Select this profile and go for example to 80 BCLK. Check if you can boot it. If yes go up to 81 and so far to see what is max. if you have found your max boot-frequency on air, press in bios + button to see how high you can go with current settings. Sometimes it’s necessary to adjust Mem voltages for higher frequency as soon you will see red lines or green dots in the bios during pressing + button, you know it’s Mem. If system freezing without error in the picture, you know, it’s the limit of IMC. example for Mem error Quote Link to comment Share on other sites More sharing options...
joe90br Posted March 8 Share Posted March 8 Hi, This board is Quad crossfire compatible? 2x 4870x2 and 2x 3870x2? Z690 was compatible, but is rare in Brazil. Thanks. Quote Link to comment Share on other sites More sharing options...
sergmann Posted March 9 Author Share Posted March 9 17 hours ago, joe90br said: Hi, This board is Quad crossfire compatible? 2x 4870x2 and 2x 3870x2? Z690 was compatible, but is rare in Brazil. Thanks. As far I know yes. Some guys from Team AU choose such setups. 1 Quote Link to comment Share on other sites More sharing options...
raiden Posted March 9 Share Posted March 9 On 3/8/2024 at 12:04 PM, sergmann said: as soon you will see red lines or green dots in the bios during pressing + button, you know it’s Mem. If system freezing without error in the picture, you know, it’s the limit of IMC. example for Mem error Thanks a lot. Finally got G4 to run using Slot B and proper voltage settings. Freezes at round 10200 so next will be testing different IMC voltages 1 Quote Link to comment Share on other sites More sharing options...
Vertex_FR Posted March 12 Share Posted March 12 freeze arround 10160, started from 9200 with some modifications on the 86x112 profile 1 Quote Link to comment Share on other sites More sharing options...
sergmann Posted March 13 Author Share Posted March 13 In the first post you can find new bios version with updated microcode for Z790 Tachyon and Z790 Tachyon X. I have also uploaded first bios release X1a for all ppl who want to try it 2 Quote Link to comment Share on other sites More sharing options...
razerware Posted March 15 Share Posted March 15 where i can find new bios of Z790 TACHYON for my brand new 14900ks? ☺️ Quote Link to comment Share on other sites More sharing options...
Vertex_FR Posted March 15 Share Posted March 15 where can i find a GTL tool that work with IMC and mem voltage ? I'm using XP version for my win 10 and Tachyon X with 14600KF but i can't change VDD/VDDQ DDR value or VDD2 MC value. I only have VCCSA. last version doesn't work for me Quote Link to comment Share on other sites More sharing options...
sabishiihito Posted March 15 Share Posted March 15 (edited) No biscuits for 14900KS Edited March 15 by sabishiihito Quote Link to comment Share on other sites More sharing options...
sergmann Posted March 15 Author Share Posted March 15 8 hours ago, Vertex_FR said: where can i find a GTL tool that work with IMC and mem voltage ? I'm using XP version for my win 10 and Tachyon X with 14600KF but i can't change VDD/VDDQ DDR value or VDD2 MC value. I only have VCCSA. last version doesn't work for me They are no GTL versions with Mem-voltage change available. I have also to adjust it in bios Quote Link to comment Share on other sites More sharing options...
sergmann Posted March 15 Author Share Posted March 15 7 hours ago, sabishiihito said: No biscuits for 14900KS X7R is just with updated microcode. No biscuits read out at the moment. as soon I have new version with biscuits, I‘ll upload it here 2 Quote Link to comment Share on other sites More sharing options...
spit051261 Posted March 19 Share Posted March 19 What Bios and microcode for BCLK guys on Tachyon X 🙂 Quote Link to comment Share on other sites More sharing options...
sergmann Posted March 19 Author Share Posted March 19 17 hours ago, spit051261 said: What Bios and microcode for BCLK guys on Tachyon X 🙂 If you mean Non-K CPU`s like G7400, 12100 I guess it doesn`t work. I got 12900k+12600k working but not G7400. Microcode 0x09 is for non-k CPU´s, you can select it, but it isn`t selected on correct way. Only Z790 nonX works fine with aold Bios with non K cpu´s Quote Link to comment Share on other sites More sharing options...
spit051261 Posted March 20 Share Posted March 20 (edited) Oh well . Edited March 20 by spit051261 Quote Link to comment Share on other sites More sharing options...
Vertex_FR Posted March 20 Share Posted March 20 i will need a non k bios too soon, dont want to try crossflash again Quote Link to comment Share on other sites More sharing options...
razerware Posted March 22 Share Posted March 22 (edited) hi, I’m using x7r for tachyon. I can boot on 8400 with a die, but cannot boot on 6800@7600 with mdie during my yesterday attempts. is this bios better for adie? Should i use f8 instead? Edited March 22 by razerware Quote Link to comment Share on other sites More sharing options...
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