Been this way since since about a month from launch of Coffee Lake 8th Gen. Thanks for the help CPU Specs: i7 8700k EVGA sc2 1080ti NZXT s340 case be quiet Dark rock pro 3 3000mhz According to the datasheet, VCCSA typical is 1. These are used in memory overclocking. 2v for both, but I lowered manually. I think anything even close to 1. Example, 8700k with 16gb ram would have an approximate count of 1200mb per instance. Set to Manual so that you can have as much control over it as possible. 9 DDR4 3600mhz 2 sticks Mar 5, 2024 · Following this video instead, I pretty much found rock solid stable settings right away (just had to adjust SA and VCCIO values tuned just right for my memory overclock). 0 with 1. 4-1. 7GHZ all cores synced. 9GHz-5GHz with 1. 7GHz max frequency; DDR4 frequency range: DDR4-3600 ~ DDR4-4266 Required CPU VCCIO Voltage range: Apr 11, 2012 · Asus ROG Maximus X Hero WI-FI Bios 1301 | Intel Core i7-8700K 5GHz (Delid Cool Laboratory Liquid Pro) | Uncore 47 | CPU Core/Cache voltage - Adaptive Mode | CPU Core Voltage Override - 1. 3v, VCCIO no higher than 1. 4GHz on all 10 Cores. Jan 10, 2011 · I recently upgraded to an i7-9700k, Gigabyte Aorus Z390 Ultra, and Ballistix Sport LT 32GB (2x16GB) DDR4-3200 kit. 27v. 7 @ 1. Anything above 1. Vccsa may be too low as I’m getting gpu crashes when only upping my 1080ti power limit and voltage Or gpu is faulty [emoji848] Should need a much lower voltage. 28) it pass realbench 2 hours,aida64 cache 2 hours,prime95 1344k around 15 hrs and hci memtest 400%,temperature is around 68 degrees average May 29, 2018 · Yes automatic sets VCCIO on 0,95V and VCCSA on 1,05V when RAMs runs on default DRR4 speed = 2133MHz but if I set i7-8700K VCCIO & VCCSA Voltage. 45v May 26, 2018 · Hello, I would like to ask about recommeneded max voltages for VCCIO and VCCSA on Coffee Lake CPU´s (i7-8700K) which should be used for standard 24/7 usage. Im running high speed Aug 8, 2018 · i7-4770k @4. Stock is . When I try to set anything higher it already says: error invalid input - auto adjusted. but the RAM I uses for the 6700k is the same I use for the i7 8700k. 28 voltage (manual). 0ghz delided with 16gb@3200mhz@cas16 shows a vccio of exactly 1. Turn it to manual and the enter the voltage you want. 12 before windows locked up shortly after boot, so I'm looking for an adaptive voltage of 1. If you are overclocking and have a high RAM frequency, I recommend setting those two between 1. And according to HWinfo there is one voltage ( VIN7 ) now at 1. 8700k at 4. 935v Default settings when I enable XMP to get 3200MHz: RAM voltage: 1. I have couple of questions: 1) I have speedstate and all C-states enabled and set the CPU core voltage manully for 1. Overclocking the Intel Core i9-10900K (Comet Lake) to 5. I have almost finished my build except for video card at the moment as their prices are in the sky at least in my country. Cache untested. 15 should be plenty for those). 315v nh-d15 4. GPU: EVGA XC2 Ultra 2080Ti. 05V as Asus boards Jul 18, 2019 · Using XMP, the system won't even get to the rated 3200MHz speed. Also make sure DRAM voltage is at 1. 118v Apart from 1-2c difference in temps thats all and then run 1/1 with your clock 48 cache. 1 ghz at 2100mhz ram vccio around 1. 25 for 32 Gig. 315 CPU Load-Line Calibration: Level 1 DRAM Voltage: 1. 3V V_core is normal. Dec 27, 2017 · what do you think about my VCCIO and System Agent Voltage @8700k out off the box without OC and only with XMP Profil for this ram with 3600MHz and the right timings VCCIO 1. I believe max safety for memory overclocking is around 1. 30v on both. I changed some AC and DC load lines aswell but dunno if that makes a difference Reply reply Nov 1, 2017 · The i7-8700K delivers: DDR4-2666 Memory support; Up to 4. 36 to 1. 7 GHZ Asus Rog Strix z370f MSI 1080ti Gaming X Trio 16 GB Ram at 3000mhz Start by setting the voltage and core multiplier to near default values Nov 21, 2022 · I ADJUST THE VOLTAGE but insists SA and Vccio needs to be 1. Oct 14, 2017 · Hello i got my 8700k recently and here are my results so far Corsair 115i. some need 1. Load line calibration at level 6. 056v VCCIO: 0. 976? I have set them manually since auto would set them up to +1. P95 27. 26 VCCIO: 1. 188v How does the BIOS determine these values? 8700k Voltage help . Dec 21, 2017 · BCLK Aware Adaptive Voltage: Do yourself a favor and disable this setting and manually control vCore so there are no surprises. 200 and VCCIO set to 1. 35v 1. Feb 7, 2019 · CPU VCCIO Voltage 1. 7GHz all-core, then move your way up slowly. 25V for both, fully tighten your timings, and then see if you can drop the voltages further. 08v (1. 0V on the VCCSA and VCCIO, or even less. 25 is high and will be marked with purple color in your Bios. 264. 310 volts, with adaptive voltage mode on, voltage fluctuates as high as 1. Jul 22, 2019 · Hey, I am running an overlocked system on my Z-370F motherboard with the 8700K @ 5. And DRAM set to 1. 005 offset but again those are like really rough guesses as auto is prolly using all the way up to 1. The CPU VCCIO Voltage and CPU System Agent Voltage should be initially left to Auto but should be changed later on to lower voltages and decrease Sep 14, 2018 · Okay, after some rough testing, drop Vcore , reboot and run Time spy, rinse and repeat. 1ghz at 1. don't worry. I guess I'll just bring them both down to 1. 3v if I leave those two voltage settings on Auto. They don't list a max, but 10% over normal/typical values is a pretty safe self-imposed limit - in this case VCCSA around 1. 26V RAM: G-Skill TridentZ 3200MHz 14CL using XMP profile The Bios + HWInfo64 reporting my VCCIO to be at 1. 35, read as 1. 040 | IA AC Load Line 0. 3V is fine for VCCIO and VCCSA but quite unnecessary for 3466MHz. Is it due to inaccuracy of the reading, or is the voltage actually different slightly from what you set it to? Jul 4, 2018 · The "right" value for them is the lowest at which your system is stable. got all the way to 1. Feb 20, 2018 · Vccsa and vccio are 1. 1-1. 3530] CPU VCCIO Voltage [Auto] CPU System Agent Voltage [Auto] PCH Core Voltage [Auto] CPU Standby Voltage [Auto] CPU Load-line Calibration [Level 6] CPU Current Capability [140%] We would like to show you a description here but the site won’t allow us. I wanted to see what you guys opinions are on temps, voltage, VCCIO and VCCSA. VCCIO is really high but VCCSA is fine. RAM voltage: 1. I7 8700k first OC. 05 VccIO (don't want to push more before understanding what all the voltages do) with 3000Mhz 1. 225v before temps are late 80 degree C using stock TIM. 35v or higher, no more than 1. Do you need more information, to accept the vcore specification in my signature as valid? CPU: Ryzen 7 5800x3D | MoBo: MSI MAG B550 Tomahawk | RAM: G. I was using intel XTU to benchmark and while bench marking the current limit throttling kept lighting up yellow and saying yes. 170V Never passed mid 80's on any benchmark or during games. Aug 25, 2018 · Hi guys I'm looking to Overclock my i7 8700k and am wondering what voltage I should use and If i could handle 4. stable. During a manual overclock, I can't seem to get anything actually stable on my 8700k. DRAM Voltage affects the memory directly, VCCIO and System Agent affect the memory controller. If running high memory clocks then you can increase it to help stabilize (1. 15 VccSA and 1. 최적의 값을 찾아야 Jul 8, 2019 · Hi y'all ! So right now my i7-8700k is OC on all cores to 4,7Ghz with Vcore set at manual on 1. 328V for both) just to stabilize it. 2v vccio and vccsa, 1. 125V Cpu System Agent Voltage = 1. Now that we’ve managed to overclock the Core i7-8700K to 5. 8ghz, I have to pump additional voltage into it and not really comfortable doing that since my May 14, 2020 · This is the most intriguing aspect of this journey. 10 to 1. I know people claim that voltage doesnt matter as long as temps are low, but higher voltage accelerates degradation. I ran a test last night on RealBench for 1 hr with the following specs and it passed: OC: 4. For my I'm able to run 1. 2V. Oct 19, 2017 · If you're running an 8700k - BEWARE of VCCIO & VCCSA Voltages. 45V and 1. 175 on the VCCIO but every chip/motherboard/ram will be different. 2V on transition idle/load. 7 with 1. 35. I’m still actively working testing and learning on vccsa and vccio voltage. 15. 325v. The problem is that despite the fact aida64 cpu stress test gives me max 71-72 C during test for 20 or 40 minutes etc, into game (bf v) and with gpu (1080ti) giving 71C (normally i think), cpu MAX temp is most of the times along 82. Use the offset and lower your voltage more. Jul 4, 2018 · In the middle of the article is an overview about VCCIO and system agent voltages in relation to the RAM beeing used. Mar 1, 2018 · Sounds like you have cpu voltage set to auto. Motherboard: Asus Maximus X Hero CPU: Intel Core i7-8700k@5GHz Core Voltage 1. CPU VCCIO and System Agent set to Auto (these kind of feel high as VCCIO auto set is 1. 2/sa 1. 225v and currently running 5 @ 1. 45v given sufficient cooling/low temps, and then you have de8 saying the hardest you can push a 8700k without destroying it is 1. 15 CPU VRM Thermal Control: Auto to Disabled (not sure this is relevant) VCORE 1. 2V in BIOS), or I could push for CL16 @ 4,133 MHz but be forced to make a huge jump and set the DRAM voltage to 1. VCCIO is on auto, and too high I would suspect, 1. 15 if using xmp. 3V is not worth it and does normally not help with stability at all. 310mV min max cpu cache ratio : 10 42 For that set if i put 40 42 the dowcloclk of the voltage is the value of the offset voltage override only AVX 3 total offset voltage: 0. 41v dram with VCCSA 1. 425v and she did not like it. 3V. Sadly, no silicon lottery here. 2 With XMP disabled I’ve tried above voltages manually, but nothing helped. No issues like yours, and Apr 11, 2019 · If you're inside the thermal and power limits, which you will be if you've had a 5GHz OC, won't an 8700k run at 4. 18v SA. 48vcore but check your temps. 5% faster (+11% per-core, *1. 15-1. 185 on VCCIO. I don't get it why when I select xmp the VCCSA goes to 1. Skill F4-3600C15D-16GTZ @3800CL16 | GPU: RTX 2080Ti | PSU: Corsair HX1200 | 21 votes, 43 comments. 344v** CPU System Agent Voltage in the BIOS has been over 1. 3 this will apply a 1. 8 @ 1. I7 8700k- asus prime Z370A - ram g. 310 or lower most of the time. 200V' CPU VCCIO Voltage: 0. 300] DRAM Voltage [1. 700 PCH +1. Test: 60 mins Real Bench w/16GB memory utilization Temp @ Full Load: 75C with AVX workloads Temp @ Idle: 38C Ambient Room Temp: 70F Gameplay: 2-3 hours of PUBG To both you and OP- Increase System Agent voltage and VCCIO voltage. 35V RAM. Allcore 49/47/42. 115v VCCSA @1. Any tips or words of wisdom from a fellow 9900K'er ? Thanks The new kit hasn't shown any errors yet. AVX creates a lot of heat, but you could probably get away with -2 offset if your max aim is 5. You have no other options. CPU Core/Cache Voltage: Voltage of the CPU cores and cache. Load XMP; Optional VCCIO 1. 5ghz zero avx offset, p95 small fft avx enabled it sits at 1. Everything you need to know about overclocking, for the most Dec 31, 2017 · I have ran my memory at 3400mhz with the same timings and seems OK. 3v on vccio or vccsa as there is not much need for going any higher unless you run seriously fast memory VCCIO 1. 95v and 1. 4v is dangerous for 24/7 use. VCCIO and SA both affect memory performance and stability, mainly stability. 088 and 1. 05v and VCCIO at 0. 15 on vccio i know that). Jun 9, 2018 · VCCIO @1. within 3x-7x lower than core) and still freezing, it might just mean that you'd need to have higher vcore depending on what BSOD errors you obtained. 344 in both BIOS and HWinfo (I assume HWinfo obviously pulls its info from BIOS readings). 968V CPU System Agent Voltage: 1. Start off with 1. To keep voltage low while idle, I have power option set to balanced. That's 400mhz over my 6700k at the same voltage and about 66. I would drop down to 1. 9ghz 1. 5Ghz for about 3 years in my X99 Deluxe board from ASUS using 1. 36V and increase tRFC from 417 to 427, and finally ram stable with very low VCCIO/VCCSA. **VCCIO 1. Apr 15, 2018 · Asus Maximus X Hero with 8700k 5Ghz OC 90 Degrees Celsius after Firmware V 1801 in Z370 / Z390 03-09-2019; Having trouble switching to Adaptive voltage mode on Z390 Maximus XI Formula + 9900k in Z370 / Z390 02-25-2019; Maximus X Hero does not come out of sleep properly in Z370 / Z390 12-21-2018; Hero XI in Z370 / Z390 11-01-2018 Will auto voltage give more voltage than I actually need and if so is that safe anyway? What tests should I run to see if they are safe? I have also noticed my vccio is much higher than other people, (I’m getting vccio 1. 35v. 6v Intel® Core™ i7-8700K Processor (12M Cache, up to 4. Memory itself has three voltages that you'd need to worry about, namely, DRAM voltage, VCCIO and VCCSA. Jul 14, 2018 · hw info will tell you your vccio and vccsa voltages and cpuz for core voltage may want to set your vcore to adaptive, best scenario 1. just checked my hwinfo64, my 8700k@5. Sniper Z87, 32GB DDR3 1600MHz w/1. 15 max for the time being. VCCIO VCCSA (try 1. 25v with 4000MHz @ 16-17-17 timings. So what is exactly VCCIO and VCCSA for? Jul 9, 2014 · I own i7 8700k and running it at 4. May 26, 2018 · Hello, I would like to ask about recommeneded max voltages for VCCIO and VCCSA on Coffee Lake CPU´s (i7-8700K) which should be used for standard 24/7 usage. 3-1. You need to do a little more research before jumping into it. I believe we are seeing the same results from most of the 8700k owners. 7ghz, turbo boost is basically an automatic overclock, its also making your voltage jump up to 1. 350 DRAM Activating Power Supply: 2. Jan 3, 2018 · I wouldnt go higher than 1. Feb 23, 2018 · Hello guys. 12 Vccio 1. And, the voltage to the vccsa has a direct impact to the pcie as well as the display engine. 3V on VCCIO and VCCSA, with the auto setting. If so, please do not hesitate in replying back. 050 VCCST Voltage: 1. Using the stock voltage, the fastest I got the system to post was 2400MHz. I run VCCIO at 1. 2xxV* i read that 1,2 is the max ??? is it ? or is this all good with new Rams at this high Nice, very close to my 8700k. 21v stock voltage at stock speeds down to 1. 34v and 1. 37V to 1. 3GHz under stress and an 8700k goes 100MHz higher? The difference between 4. You really shouldn't go higher than 1. I managed 5ghz all core with the cache at 4. Because in my case, I tried for 1 month changing these values, to make my RAM stable without luck, and in the end it was not VCCIO/VCCSA that affecting my RAM stability, it was RAM timing/voltage, I decrease my RAM voltage from 1. 24v, Noctua NH-U14S, Gigabyte G1. if you are not having stablity issues or any excessive heat from i wouldn't worry about it. 2 is pretty high? **VCCSA is 1. Regards, Leonardo C. 19. 22 vcore on an Asus Strix-E @ 4. Just looking to maintange 5ghz with better control of voltage and push my ram to its max potential. I7 8700K voltage too high? That is vid, the estimated voltage required for the current frequency, calculated by the CPU , not the actual VCore 1. 7mhz Voltage: Adaptive CPU: Core Voltage: 1. 488, VCCIO is Aug 18, 2019 · Hi. Mar 5, 2021 · Disable everything except turbo boost. 340V*로 설정합니다. 28v/Vcore 1. 15v or 1. 35v) VCCSA: 1. I'm using 1. Nov 29, 2018 · My setup: -ASUS ROG Strix Z390-e *-I7 8700k *-32gb tridentZ RGB 3200mhz ram (8gb x4) -Coolermaster ma620p dual tower dual fan air cooler - 727194 Hello, I'm trying to have a stable (and safe) overclock at 5. 2v in the bios for best CPU and memory operation when overclocking. Sep 27, 2019 · “CPU VCCIO Voltage”(简称IO电压)是CPU除核心外所有的通信电压,提升IO电压可以加强信号质量,从而提升超频内存时的稳定性; “CPU System Agent Voltage” (简称SA电压)包括了CPU的PCIE控制器、缓存、内存控制器等,提升SA电压可以保证内存控制器、缓存和内存之间 May 12, 2018 · I just wrote this in the PC build thread but figured it's probably better in a blog - lots of stuff about my upgrade to an 8700k system and 4000mhz RAM. 4 Volts (auto) on Asus Strix z370 motherboard. 15v should i reset all these back and do the way you explained me? If it drops the voltage while idle then disable c-states or raise the vcore. That and the range between different core temperatures was greater. In order to get 3400mhz stable I set the ram voltage to 1. Figured I needed a change so now I am running Allcore 47/45/43 Offset Voltage -100MV LLC Lvl 2. 25GHz it's a good idea to set it manually to the stock 1. 3v Vccsa 1. 25ish). 994V The voltages are all set to auto btw. 0. Some motherboard auto voltage settings are downright busted (mine put VCCIO & VCCSA voltages auto over 1. 9 again 11 hours at 5. I believe XMP set around 1. 25v and the VCCSA goes to about 1. VCCIO and VCCSA the same as above. I understand the propose of your inquiry, looking into information about the case allow me to share with you Jan 18, 2012 · VCCIO is the memory controller voltage of the CPU. Vccio was mislabeled, to me, in relation to the memory controller back then. Skill OC'd @ 34000MHz My CPU core voltage is set to 1. 600mhz low speed sticks need less VCCIO Default VCCIO voltage on intel chart is 0. 000 VCCSA Voltage: 1. Nov 17, 2017 · Increase CPU core/cache Voltage to 1. AVX offset works perfectly fine for me. 25v, maybe 1. 35 DRAM Activating Power Supply at 2. 30V on bios, but it appears to be unstable. 35V, which I think is quite high. 1 Cpu standby 1. 125 Speedstep Disabled AC Load Line 0. 2, it sets itself at 1. Tempted to try for 5. Bios option Multiplier 50 , vcore 1. Aug 30, 2018 · Currently trying to OC my 8700k to 4. 25 VCCSA Voltage at 1. 0 Voltage: 1. When CPU idles it reduces its speed down to 800Mhz, but the voltage understandably remains at 1. 05v and VCCSA at 1. Try VCCIO 1. 95 - you can find that on page 113. 32V for AVX loads. 0Ghz, and the 8700K should be able to reach 4. 15 to 1. 2375 vccsa I haven't run aida64 long enough to know if it is stable. Some voltage settings you will get small vdroop and small overshoot which is fine, it'll be around the voltage you have set, if unstable bump it up a very small amount until the vdroop is ok. AIO: EVGA CLC 280 280mm. 2 VCCST Voltage at 1. Oddly the voltage seems to go much higher while it’s at idle, but with the adaptive voltage my initial testing is showing it to be stable. 16 when OC'd. 3 80s temperature is hard to say it depends on the benchmark used and also profile used (rpms) someone can set it to silend and high temperature, another one to max speed and result will be different In particular I'm looking for clarifications about PLL OC and PLL SFR voltage for CPU, RING, SA and MC. 0 for VCCIO. 20 for 16 Gig 1. 28V seems a bit high. 7-4. 536v. SA no higher than 1. 025) Go little under or over VCCIO depending on what 5x cinebench runs (back to back) will score. May 26, 2018 · I know that default voltages are 0,95V for VCCIO and 1,05V for VCCSA. 10v and 1. 01 | CPU Load-line Calibration - Level 6 | VCCIO Voltage - 1. * VCCSA, VCCIO 전압은 안정화가 가능하다면 낮을수록 좋습니다. Use adaptive or offset modes and LLC when tweaking VCORE. PSU: Corsair RM850x 850W 80+ Gold Fully Modular. I've not heard of LLC being higher than 5 undesirable, only higher than LLC 6 because of the overshoot in voltage under Oct 17, 2017 · Overclocking 8700K on low end Air Cooler like Cooler Master EVO 4. 225 vccio 1. 125V on VCCSA and 1. I would like to know how high I can set these without being worried about possible quick degradation of IMC inside CPU. 45V is high but OK Jun 17, 2019 · I have been digging around and found VCCSA & VCCIO info reasonably, so those make more sense now (a little more refined answers would be nice if you have a good one?) Appreciate your time! System Spec: 8700k, 32gb 2666mhz ddr4, Aorus Gaming 7, 850w G PSU, Vega 64, 1tb ssd. 15 and ram at 1. May 2, 2020 · CPU: i7 8700K (5. 150V 로 설정합니다. 150 and VCCsa at 1. If gaming temps are in 60-70s you're good to go IMO. ③ CPU SA(VCCSA) Voltage : 1. 370 | Offset Mode - Negative | Offset Voltage - 0. Subscribe More Jan 13, 2018 · I am running Asus Maximus X Hero board with an Intel i7-8700K. 25v core voltage and keep lowering it by 0. 200 CPU Internal PLL Voltage: . 25断电后首次开机会二启,然后你把电压IO压到1. Check to make sure VCCIO and VCCSA voltages aren't running too high. Oct 4, 2018 · Hi all, what is max voltage for 8700k? Currently at 5. Too high is not good either. 1625V PCH Core = AUTO ( 1. Tried 5. Make sure to check your die type with Thaiphoon Burner and increase the voltage appropriately to get the best scaling from your memory first. 5 and 5. 1 Dram voltage 1 gaming with the i7 8700k for 4. 8 with 1. 29/1. 4 on auto when my last kit, which did admittedly caused errors, both vccio and vccsa set to 1. I have read of people having to raise the voltage to these levels to get stability but it does surprise me compared to the ease of just enabling XMP on the 8700K and not having any issues whatsoever. 5 PCH +1. 328V on Auto System Agent 1. 70 GHz) quick reference with specifications, features, and technologies. 34 and SA is 1. 1 and 1. Reply It settled at 1. My 8700K OC 5Ghz 1. 16 vcore (4. - 1,35V. 28vcore and Load Line Calibration 4 (LLC4). 5 will probably be less underwhelming that the difference between 4. My 8700K, flash back example was fine 4000mhz 1. ④ CPU IO(VCCIO) Voltage : 1. 25V gets HOT. 2v. Examples: Black screen Mouse cursor stutter The webpage is a column on Zhihu, where you can write freely and express yourself. 95 with 4 sticks need more voltage i guess 1. 024V' CPU Standby Voltage: 0. 264v in p95 avx2 Jun 13, 2020 · I've got an Asus board now and haven't messed with CPU PLL OC Voltage, but on an Asrock Z270 board, changing PLL Voltage to say 1. I also brought the Vcore down from the 1. 288v under Prime+AVX Dec 6, 2020 · Hi guys, i'm trying to overclock my i7-8700k with asus maximus x code board,so far my chip is stable at 4. 2v are pretty much pointless since people just reply with what another person said. For AMD chip, I manually set SOC to 1. 2GHz w/1. Keep System Agent almost the same. And it sets it back to allowed max. 900 Posted by u/roenthomas - 2 votes and 7 comments Sep 4, 2018 · I found when overclocking my 8700k, running RealBench stresstest for 15min wasd a good indicator of stable voltage before doing a much longer stress test. ) Jun 13, 2018 · Using the popular VCCIO/SA settings of 1. Jan 18, 2018 · VCore is your main voltage for stabilizing the CPU core and cache overclocks. 95v stable on memtest86. VCCIO/SA voltage reduction does some positive work here, but its Under - CPU Core Voltage Override fill in 1. Thanks! May 28, 2018 · Intel® Processors, Tools, and Utilities Announcements VCCIO is really high (has been on auto the whole time). Will try bclk oc today. 15 VCCSA use the default unless you want to BLCK/pci-e overclock default on intel charts is 0. 25/1. What are safe for 24/7 usage? I don't ever turn my system off. And I also noticed that my motherboard allows me to set as max. 05 and VCCIO typical is . . So far this is what I'm using : CPU : i7-8700K (delidded yesterday) ; Motherboard : Maximus Hero X No-WiFi (Version 0505) ; Like in BIPS I set VCCIO and VCCSA to 1. Setting vcore to 1. Surprised by X99 story, I ran my 5820k at 4. Im running high speed Apr 26, 2020 · Intel Corei7-8700K Intel Corei7-8700 Intel Core i5-8600K Intel Core i5-8400 Intel Core i3-8350K Intel Core i3-8100; Socket: LGA 1151: but doesn't provide per-core voltage and P-state controls Pretty much yeah, Turn off MCE and then set the core voltage to 1,15-1,2 Volts and have it at adaptive. 375 instead of 1. BFV, Rebel OC Explore Mode: Expert CPU Ratio Apply Mode: All Core CPU Ratio: 48 CPU Ratio Mode: Dynamic Mode Ring Ratio: 44 EIST: Enabled // Aka: Speedstep Enhanced Turbo: Disabled // Aka: MCE (Multi Core Enhancement) Extreme Memory Profile (XMP): Enabled DigitALL Power => CPU Loadline Calibration: Mode 4 Voltage: Adaptive CPU: Core Voltage: 1. SKILL Ripjaws V Series 16GB ram, 33-35* idle temps I spent HOURS yesterday trying to get this to work, looked up every 8700k overclocking guide, watched videos on the Z390 boards, and am still struggling. MB: MSI MEG Z390 ACE. Maximus x hero mobo. 2 GHz together with 4 sticks of G. temps low to mid 80s. For fairly average speed memory, like 3000/3200MHz, on two sticks you'll likely be fine with just 1. ) Is this because I have 32gb of 3200mhz ram. Dec 30, 2017 · I lowered my VCCIO and VCCSA as the XMP was excessive. It won't post at 2500MHz and beyond. 51V firm) and VCCSA/VCCIO to 1. Set xmp All core 47 Cache 44 Digital power cpu curent cap 140% Vcore 1. Typically VCCIO should be around 0. Currently I have my 8700K running a static voltage of 1. 420 - however, I have no idea what values to run on my "VCCIO" and "system agent voltage" and how to know if my current settings are right or wrong. 35-1. For me, lowering voltage for vssca has a negative impact to the display. I have VCCSA 1. 3v for non AVX loads, and 1. Nov 6, 2019 · And I mean that most Core i7 8700K make that 5GHz with moderate voltage settings like 1. Dram voltage 1. Fixed voltage 1. 45v dram, prime 95 small fft stable 20 min, no bsod on games, no windows reporting errors going on 2 weeks now. 15v and VCCIO around 1. My Vcore is 1. My CPU is a 8700K running 5. 950 My system is 8700k@4. 0Ghz on my 8700K. Jan 16, 2018 · However, I have found on benchmarks though there is almost nothing to be gained over 3200 CL14 so I am running 1 volt for VCCIO VCSST as Intel specifies. 456v** in HWiNFO64 - I assume this is system agent voltage? DRAM voltage says 1. What you DO need to be aware of and potentially make changes to are the DRAM voltage settings, the VCCIO voltage settings and the System agent voltage settings. 375v is a good starting Get HCI Memtest, open up as much instances as you have threads - ie 8700K = 12 instances. 7ghz when the 8700k default clock is 3. 34 , ram freq 3200, cpu svid support disabled. 3 its Apr 17, 2009 · I've got an Asus board now and haven't messed with CPU PLL OC Voltage, but on an Asrock Z270 board, changing PLL Voltage to say 1. Stable 1: 47x Multiplier @ 1. If fails, then further dram/vccio/vccsa/cache voltage is needed. 0 ghz and 3200 mhz with ram at pretty low vccio /sa settings for that one (forget the volts it was under 1. Skill 2x8GB 3200Mhz CL14 RAM, ASUS Maximus X Hero Motherboard, Seasonic Prime Platinum 750W PSU Nov 9, 2018 · I'm running a 8700k OCd to 4. 4V for both is still "fine" but above 1. Extreme Over-voltage [Disabled] BCLK Aware Adaptive Voltage [Disabled] CPU Core/Cache Voltage [Manual Mode] - CPU Core Voltage Override [1. Don't go straight to 5. 4v on auto this entire time - from what I read, 1. 7 ghz? Any tips or steps you could provide in overclocking would be grateful! Sorry if this is vague - very new to overclocking. 340V LLC Lvl 1 VCCIO at 1. I got; 4. skill 3200mhz. 46v is in the danger zone. 44v respectively after a 30 min OCCT test. 15V for both. 05v respectively. 0 VCCIO Voltage at 1. 15v in HWiNFO) // Aka: VCCSA CPU IO Voltage: 1. 1 ghz and 3200mhz ram vccio 1. 1 GHz @ 1. 01v until it's not stable. 7ghz 1. Apr 19, 2018 · (AFAIK with the 8700k and X Hero). I have a pair of gskill Trident Z 8gig sticks. 5 for core count). 24 voltage for a while now with an ASUS rog stric z370-f Motherboard. 8700k`s have better cache than previous gen and can clock higher with ease running 1/1 does benefit in some situations`s EDIT: and yes maximum for safe voltage would be 1. Cinebench is sensitive so keep your background tasks in check (the same) and turn networking off. Hit run on all of them and hope to get 1000% coverage. during gaming some chips work bettter at lower volts then others Posted by u/Gogov97 - 2 votes and 7 comments VCCIO/SA = 1. 360 in HWiNFO, but 1. DRAM Voltage left alone VCCIO 1. 365 Running latest BIOS Hyperthreading On Cooler is NZXT X52 The CPU has liquid metal I'm thinking now to start lowering my vcore and re-test. (+/- 0. Jan 10, 2018 · i7 8700k stock 3. Oct 28, 2018 · your vccio is fine, software voltage monitoring isn't perfect, im sure in reality it is running at 1. e. Every vendor offers the ability to set the VCore to override mode, and it's the default on a few brands (like GIGABYTE Oct 28, 2017 · Voltage Optimize Set memory settings to XMP i7-8700k @ 4. 235V on the VCCSA and 1. I found that my CPU isn't the greatest overclocker and to get any higher than 4. Ran all the usual tests Sep 15, 2018 · Your CPU has turbo boost on by default wich is what making it range from 800Mhz to 4. Instead it will only do 2800MHz with over 1. Mine were around 1. 248 in HWinfo. 1 VCCSA: 1. 312V with spikes to 1. Running smooth no problem with that but i want to OC close or at 5,0Ghz on all cores and was looking for the baseline for the Vcore at this frequency. 024V right now) Dec 15, 2018 · 12+ hours at 5. 25v is still stable on prime95 without AVX. Does it hurt CPU to have such voltage at low speeds? May 26, 2018 · Hello, I would like to ask about recommeneded max voltages for VCCIO and VCCSA on Coffee Lake CPU´s (i7-8700K) which should be used for standard 24/7 usage. 3v in bios Case = Haf X all air cooling My main question is around DRAM and VCCIO/SA voltages. 080. This can also happen when using adaptive voltage+C-states+AC Loadline "0. I am all core stable 48X/47X with under load peak voltage 1. 10v in HWiNFO) // Aka: VCCIO CPU PLL OC Voltage: 1. 01 I'm using an i7-8700K in an ASUS Prime Z-370-A mainboard and it clocks to 4974MHz. 1 GHz, 0 avx, 1. 136 at idle and never above 1. I'm running 3866 CL15 1. 01 | IA DC Load Line 0. 000 VCCIO Voltage: 1. 2 VCCIO, 58 Oct 7, 2020 · So with my RAM sticks, I can either settle for CL16 @ 4,000 MHz with reasonable DRAM and IMC voltages (1. 251mV cpu load line calib:6 On used the temp max is 64 degres with my games. 2 and 5. Set each instance to 90% of free memory. After I raised the multiplier it was still stable, I just noticed a slight hiccup while gaming. 05 or even +/- 0. It is set to a 1. but i have enabled the XMP profile which sets the speed at 3000 and the DRAM voltage to 1. 30v. 25v I initially changed the VCCIO/SA voltages to 1. 1. 245 vcore in vios and reads a 1. 264V , again, that rule, anything over 1. They both help with ram overclocks. 2V for 4700Mhz. ⑤ DRAM Voltage : 1. 25 according to: May 30, 2018 · Hello Thank you for your response. * 램 전압은 안정화 과정을 통해 각 자의 시스템에 맞는. 15v. 1 GHz OC). Jul 13, 2018 · Is it OK using a system agent voltage at 1. 18 Cpu VCCIO Voltage = 1. 35, but stayed at 1. Also manually set and lower CPU VCCIO Voltage & System Agent Voltage to an acceptable voltage such as 1. You should also manually set your voltage, as auto typically sets the voltage too high as shown by VCCIO. 2 and system agent is 1. 40v, while others who may be more edgy like to push 1. 15 Vcore, 1. 200V 로 설정합니다. 2 with more voltage or LLC. 2v VCCSA: 1. 7 and voltage at 1. 4GHz stock? My 9600k at stock turbo's all six cores to a sustained 4. CPU and everything else is running stock voltage and speed at the moment. You need to keep an eye on your cpus temps too. I've bumped VCCIO/VCCSA to 1. 100 in the bios manually. 0 Voltage at 1. Apr 26, 2020 · First, we established the Core i7-8700K’s limits by cooling the chip's IHS to a constant 20°C, side-stepping potential thermal bottlenecks imposed by Intel's unfortunate use of thermal paste Jan 10, 2019 · It’s important to understand, that setting up voltages (Vcore, VCCIO, System Agent) is not enough — they are not stable and drop under load. When I set the memory to XMP to get 3200 speeds or manually to 3200 in the BIOS, the VCCIO goes to about 1. 338 to 1. OC Tweaker/Voltage Configuration: CPU Core/Cache Voltage: Fixed Mode Fixed Voltage: 1. I'm using a maximus x formula motherboard with an 8700k 4. Mar 19, 2014 · Reply to Reply Post by A380FatLiner (2019-11-19 16:41) 是ROG特有的xmp二启吧,之前饼哥科普过,io大于1. 384 - 1. 296v VCCIO: 1. 3 voltage to your CPU for the 8086K this should be more than enough to reach 5. 25 VCCPLL Voltage at 1. 4 and 4. Anyway your VCCIO and System Agent voltage is pretty high seems to be a feature with the Asus auto set. 8700K owner here and have been reading through several of these threads about overclocking the chip. 7 at all cores with 1. 5GHZ with another MB. Save settings and reboot. Start at something like 4. 05 2 memory stick up to 3. for both of them 1,35V. give a bit more Vcore and you#re fine. 2 and System Agent at 1. true Mar 20, 2019 · adaptive voltage on cpu override voltage: 1. 10~1. 000 together with a VCCIO voltage set at 0. Im running high speed 8700K Adaptive / Manual Questions ROG Strix Z370-F . 2v on a 7700K. 2x8gb ram at 3733hz 16 17 17 39 2N 1. The goal is to avoid silicon degradation and stay within the voltage range. I did try a lot of voltage variations until i came up with the numbers above. 27V (real is 1. 2) and do not use XMP and set everything manually. 18-1. 1v and it is rock solid, this was before I upped the core clock to x47. 4 with a . The faster your RAM is the more voltage you're likely to require. I've been able to boot on windows at 1. Reply reply Sep 18, 2018 · I do have some CPUs that cannot run 3200 MHz with these voltages, unfortunately, and that is why I genreally do not give voltage recommendations. This includes: Intel i7 8700K CPU with Noctua NH-D15S cooler, G. 1v would mess with the DTS sensor that report core temperature and the values would be a good 20C under the spec voltage of PLL =1. 25内的首次开机也会有次二启 编辑,看错了,进系统黑了重启是要继续调试了[s:ac:擦汗] Aorus Z390 pro wifi, i7 8700k, nzxt kraken x52 AIO, G. This is my first time overclocking and I'm looking for some insights into sending a static voltage vs an adaptive voltage. 56v, NVLink RTX2080Ti FE , RAID0 Samsung 840 Pro 256GB, RAID1 Samsung 850 Pro 512GB, Corsair RM850 PSU, Fractal Define R4 VCORE is the biggest item - VCCSA/VCCIO should be set manually if it gets too high which it usually does left on Auto (not more than 1. 2 in benchmarks. 1v stock imc(44) and 3200mhz dram. all the "do not go above 1. 22 voltage (less of that it's a bit unstable sometimes). Right now they are all set to auto in bios (MSI Gaming M. 13v (1. I have my i7 8700k running at 4. 225v & 1. Reached 5. 05V (boards tend to set 1. 3V to try that. 3v even at stock settings causing massive instability (Asus z370 Prime-A). 340 v. 25V-1. 05v are pretty good upper limits. 15 5 hours FAIL at 5. 175 with just 16Gb. 4 volts Motherboard: Asus Maximus X Hero CPU: Intel Core i7-8700k@5GHz Core Voltage 1. 072V DRAM Voltage: 1. 4 to 1. I was able to get stable at 4. 36. 356v (which I find a bit odd since the profile says the voltage should be 1. 35V but when using as mentioned XMP Profile VCCIO/SA Voltage both set to 1. 328v and System agent voltage 1. 7. The rams run at 2133 MHz at stock. If you're running uncore at stock (i. 01" or "1", (depending on board, whatever is the lowest non-zero value). 386v dynamic offset, turbo LLC (gigabyte, Extreme is highest), 1. Can anyone please tell me what the absolute safest voltage for an i7 8700k is? The reason I ask is because i see many people say the best is 1. 392V on Auto** with 3200MHz it is about 1. I just don't understand why the vccio and vccsa gets set to 1. 7ghz all the time. 300. I checked in the bios and tried every obscure voltage setting to bring it down, none had any effects. Oct 28, 2018 · VCCIO and System agent voltage can be set to about 1. 350 in BIOS. 25v. 8ghz is possible on average silicon this is because max voltage you can use for non avx stress testing is around 1. 9 1. The max temp with realbench about 73 degres Oct 20, 2018 · I have an i7 8700k and I have mce on and sync all cores so all 6 cores run at 4. Jan 27, 2019 · BCLK Aware Adaptive Voltage: Disabled to Auto CPU VCCIO Voltage: Auto to 1. 4v and VCCIO to 1. 8 GHZ Package Temps: 73° C VCore: 1. Though I'm using 8700k with same board(AC version), I'm running 3200 with VCCIO at 1. 05, but the BIOS and HWinfo both read the actual voltage as 1. 245v (which gives me VID 1. 344v. 072V PCH Core Voltage: 1. strange thing is, my CPU before was an i7 6700k @ 4. Jun 4, 2018 · Hello tomsyr11 I was checking your case and would like to know if you need further help. 5 mobo) and I'm running at 4. 405 RAM 1. More is not necessarily better when it comes to VCCIO & VCCSA voltages. 288v under Prime+AVX load) CPU SA Voltage: 1. RAM: 32GB Corsair Dominator Platinum RGB (3600 MHz OC). 25 each but 1. PCH Core voltage feeds the chipset and is only used for coldbug removal when using liquid nitrogen cooling, but if you ever push above 5. 4GHz and 1. 35V. 5V lower than VCCSA. 440v-1. Never had such an "issue" Using 2*16GB Corsair 3000MHZ Ram @1. 8 GHZ and make my way up. Everything else was left at default or Auto. 5V (real is 1. For a 5 GHz overclock on the i7 8700k (and I suppose 8600k), 1. 3 and 1. 8ghz by lowering VCCSA and VCCIO to 1. When I run the cpu at the stock 4. 2 and see if there's any instability like last time. 2v is considered max for 24/7 usage but that much would only be needed for 2133mhz+ probably). 9Ghz. Warning for some techy language ;D---It's delidded, this CPU isn't a great overclocker. 0GHz. The CPU stays under 70c usually around 65c. 1 ghz with 1. 344 on hwmon with everything set on auto. 0GHz, let’s check out the full load temperatures on our next page … Related articles. 168V with transient voltage peak 1. below 1. 35v cause the board autos it. 250 VCCPLL Voltage: 1. 0 Jul 28, 2020 · Make sure your VCCSA and VCCIO voltages are under 1. 33v LLC lvl 5, XMP II with Neo Trident 64gb 3600ram. 1 for VCCSA and 1. Mar 17, 2018 · DRAM Voltage at 1. My CPUID HWMonitor reports the VCCIO and System Agent voltages maxing at 1. Load voltage dips down to 1. 1 The voltages in the bios are as followed: CPU Core/Cache Voltage: 1. 8GHz @ 1. 2v 4. lhyo ocgfy uvksp afwx jqg wnp stmkus olsuuwk eajb qawewq
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