Ddr3 secondary timings. There are no universal ideal timings.

Ddr3 secondary timings 32GB/s). For DDR3, typical voltages are 1. Decrementing CAS or RCD fails to boot Decrementing RP fails Memtest86+ immediately Apr 20, 2020 · 1. your problem is likely contained within the secondary timings, which you MIGHT Dec 1, 2015 · DDR3 vs. Moreover with 3DVcache CPU memory latency has little to no impact in games. The stick may be good enough to actually support the better timings set from1333 Mhz, or may support almost all those timings, with one or two loosened - for example 9-10-10-24-32 may work, or it may not. Sep 21, 2013 · DDR3-2467 10-12-10-30 1T 5046 @ 1. The amount of time between a refresh command and an activation command being executed by the DRAM. I tightened down the primary timings down to (10-12-13-27-1t) but I couldn't see a difference in the Aida64 Benchmark tool (Read/Write/Latency). Memory: 4x 4 GB DDR3 1600 mhz (16, unstable) right now 2x 4 GB DDR3 1600 mhz (8, stable) Display/Graphics card: Geforce GTX 1050 ti 4 GB Vram Storage: 1x 200 GB hard drive, 2x 500 GB hard drive. Last edited by emissary42 ; 07-14-2020, 09:54 AM . Feb 20, 2015 · My Asus board had really loose secondary timings I was able to lower to SPD spec, but I'd like to tweak the tertiary timings too. Even if you totally ignore the primary timings, the secondary timings such as tRFC, tRRD, tFAW, and tWR have a lot of headroom. Lower primary timings help Team Group’s Xtreem DDR3-2800 jump to the lead in both DiRT 3 and Metro Mar 5, 2024 · I've tried reducing the timings at 12-14-14-38 from the 11-13-13-35 and that does nothing. Skill sent us their Ripjaws Z F3-17000CL9Q-16GBZH kit, now that Intel's latest platform has been launched, and new memory kits are needed, due to the new quad-channel configuration that the Intel X79 Express platforms offers. I cannot explain the nuances of memory timing tuning here (it's a very complicated thing that would take much of a book to fully explain). The same goes for your IO values, which are 2T apart. 5 ns. Yes, your sticks have multiple profiles. Jan 20, 2012 · The timings should be 9-9-9-24 at 1333mhz. 35-1. Timings: When we are talking about timings, we are talking about the speed at which the memory controller access's reads and writes from one 64bit block to another Apr 13, 2020 · Also don't worry about using higher primary timings, you will get more than enough performance out of the frequency-bump and from tweaking secondary and tertiary timings. -playaround with ProcODT if you can't boot. However, XMP is relatively slow compared to manual tuning. For example, most of recent Samsung DDR3 1333-1600 modules can be pushed to the 2000-2400 range (see this thread for more details). Loosen the timings, add voltage, raise frequency, tighten timings. Possibly has something to do with the kit I'm using seeming to have been designed for Ivy Bridge (the DIMMs identify themselves as "Avexir MSI Z77 MPOWER"), which AFAIK didn't Hello, I want to fiddle with secondary/tetiary timings on my DDR3 TridentX rams. Oct 6, 2020 · At the end of DDR3, and through DDR4, JEDEC introduced additional sub-timing specifications for each data rate DDR3-1866 at CL13 was already at 13. And this might apply to many of the secondary timings too. Nov 17, 2022 · It's almost always like 14, 14, 14, 36, or 14, 16, 16, 38, or 16, 16, 18, 38, or something along those lines. A SuperPi Memory Latency comparison of a single memory IC at various Aug 29, 2012 · This is why 1600mhz DDR3 memory appears as 800MHz in cpuid. 416volt and otherwise same as above DDR3-2472 10-12-11-30 1T This is without any adjustments to secondary/tertiary timings, running "Rampage Tweak Mode 2", and using the timings provided by the "Raw MHz" memory profile (like I said, quick and ugly OC). But your CPU has only a 1066mhz fsb. I didn't chase frequency but I did tighten my timings. I'd suggest just using those relaxed timings from xmp-1864 as those will work for sure. Currently it's in read-only mode, since adjusting timings on-the-fly is not possible on Ryzen, without a reboot. DDR3-1866 Benchmark Results. your problem is likely contained within the secondary timings, which you MIGHT Nov 7, 2024 · Not slow imho. The real benefit from reducing secondary timings would really be to stabilize lower primary timings at any given frequency as opposed to actually Jul 18, 2022 · Here's the original Excel Spread Sheet file for those who want it: RAM Timings. tRFC. Jun 7, 2019 · Some of you guys probably know how to overclock RAM and how to adjust primary timings. May 1, 2017 · Now that we've gotten frequency and primary timings taken care of, it's time for secondary timings. This is the current type of memory used in modern systems. May 1, 2017 · As for your timings, I agree that the secondary and tertiary timings need work. I have that set on a secondary system, my experience overclocking it was on a Asus Sabertooth X79 motherboard however. I can't recall the voltage values used, but I know it was sane for daily usage. Will also see if I can cut down the XX-XX-XX-28-38 down a bit; seems a little high IMO. Increasing the dram voltage does nothing still get same errors and programs crashing. Not those exact, or any particular, timings, but nothing in the primary timings set to like 15, 17, 19. Due to differences between CPU generations, BIOS versions and motherboards, some parameters might not be detected, although the timings should be available on all platforms, including mobile APUs. 93 nanoseconds. Bumping the DRAM voltage up slightly may resolve that OR you may need to make adjustments to the primary timings. Here are the default settings for 1333 MHz DDR3 CL9: CAS Latency 9T RAS to CAS Delay 9T Row Precharge Time 9T Minimum RAS Active Time 24T 1T/2T Command Timing 2T TwTr Command Feb 19, 2015 · As with earlier memory generations, faster DDR3 memory became available after the release of the initial versions. I've gone though a lot for the voltages on the vccio and vccsa as well and they are on auto at 2666mhz which is fine memtest passes. You may also want to loosen the secondary timings, although some boards will do this for you automatically. No idea how they interact with others and what meaningful tweaks to make. higher settings of ProcODT can lead to more stable RAM. 3, so 2133 CL10 has lower latency. Sep 13, 2018 · If there are ANY errors, at all, then the memory configuration is not stable. 8w次，点赞68次，收藏428次。一、tCL-tRCD-tRP-tRAS（第一时序）内存是根据行和列寻址的，当请求触发后，最初是tRAS（Active to precharge Delay），预充电后，内存才真正开始初始化RAS（Row Address Strobe）。 A "Timing" is a setting for how many RAM cycles it takes for a specific action to be done. Secondary Timings: These are timings that are seldom ever listed anywhere Sep 21, 2013 · The IMC does not die just because the clock is set higher than DDR3-1600. The timings had to be set manually in the BIOS and the FSB had to be raised to 400MHz in order to run the rated frequency of DDR3-1600, but the secondary timings were all left on AUTO for these results. If I loosen the secondary timing is there any chance to be able to tighten the primary? Aug 25, 2015 · With your kit and DDR3-2400 i would start at 11-13-13-31 2T (CL, tRCD, tRP, tRAS, CR) with secondary timings left on AUTO and memory voltage at 1. Dec 23, 2011 · So i have to manually adjust them to CL7. We left Currently my DDR4 runs at 3200 cl 14 with auto secondary timings. The stock timings usually set the tCL a notch or two lower than the tRCD and tRP for the higher clocked kits. Let me explain - I've got the following build: Intel 8700k ASRock Z370 Taichi 2 x 8Gb Team Group Dark Pro 3600Mhz EVGA 1080Ti FTW3 Corsair Sep 15, 2020 · For secondary timings, start by increasing tREFI (in the tertiary list for some reason but most motherboards have it as a secondary) as high as you can. 65V -- as recommended in Corsair official page. 65V. This means that despite the Jan 13, 2012 · G. For some reason the board uses the same secondary regardless of XMP, auto settings. Kind of like you see here, which is actually directly from Corsair. 12 DDR3-2000 Dominator GTs and they needed around 1. Apr 13, 2020 · Also don't worry about using higher primary timings, you will get more than enough performance out of the frequency-bump and from tweaking secondary and tertiary timings. eg. Skill’s 16GB DDR4-3000. The simplest place to start for DDR3 is set your RAM voltage to 1. I would suggest starting at 1. Jun 1, 2012 · These lengthy secondary and tertiary timings are typically needed to achieve higher data rates. While you will see small gains from most of these timings, I want to focus on one very important secondary timing. 5v (JEDEC DDR3), and 1. Aug 14, 2016 · Secondary and tertiary timings have a much smaller impact on overall performance, but they can be adjusted in the same manner. I was able to tune this kit to run stable at 1600 MHz 7-10-8-28-1T tRFC=128. Jul 27, 2022 · Would you say thats enough time to test for 32gb DDR3 memory running at 2000mhz? My ram at stock settings is at 1600mhz 9 9 9 24 with RAS 240 (No useful xmp profile. What timings will I be able to set at 1. 65v (OC'd DDR3). The other relevant voltages are VCCSA and VCCIO, however most boards do automatically adjust them for higher memory ratios if you don't touch them*. The best timings are whatever your kit + skill can achieve. Currently running at 2400 10-12-12-35-2T (it's 4x8GB) on my old trusty i7-4770K and Z87. How are those calculated and set? They're all set on auto and if you keep pushing ram higher, there's one particular timing that goes from 139 to 174 then 228. I got 72ns in Windows 10 (not safe mode) with Buildzoid's secondary timings on 9800x3d with a 2x16 Hynix 6000 GSkill memory. This needs to be within 0-1T. tREFI is the amount of time between refresh cycles. See full list on gamersnexus. 00 2x8GB DDR4-3500 16-18-18-36-2T (dual ranks double side Hynix AFR) Stable primary timings: 3800 @ 15-17-17-36 Stable secondary timings: TRC 58 TWR 13 TCWL Auto (seems like 13 or 14) TRRD_S 5 TRRD_L 7 TRFC 540 TFAW 20 Command Rate (tCMD) 2 TREFI 65534 I'm currently testing out tWRRD_sg (32) and tWRRD_dg (28) while tWTR_S/L are set to auto. Quite a few articles, blogs, posts, and threads do discuss the fact that primary timings s i7-4790k / Asus Z97-P / Kingston HyperX Savage DDR3 (XMP 2400mhz 11-13-14-32-2t) KHX2400C11D3/8GX So my issue with that RAM is, that it doesn't really matter which timings I change in the bios. Best i could do personally is on a ddr3 platform (my pc rn) and these timings i gathered from old overclocking guide, done some theory on myself and decided to mess with ddr4 timings and subtimings using my friends pc. Secondary Timings: These are timings that are seldom ever listed anywhere Since Im not using the fastest speed these memory sticks are capable of are there better timings I could be using at stock voltage(or slight increase in v)? Also what should the secondary timings be set at besides the 9-10-9-28, I saw in bios under those there is another set and have no clue what they should be. 5 V) May 20, 2014 · The top three bandwidth numbers are established at DDR3-2400 settings. Total 8GB in dual-channel running in slots 1 and 3. 3, so I switched XMP mode on in BIOS, set the speed to 2400 MHz (1200 * 2), 11-13-13-31 timings and raised memory voltage to 1. Feb 3, 2015 · DDR3-2133MHz is stable with 9-11-11-28-38-1T timings @ 1. You can just load the 6000 profile and those reduced timings will apply. You can use Thaiphoon Burner to determine which memory chips are used and search online for a preset of timing. 5 - 1. Hvale2k5 New Member. 1. Aug 21, 2020 · So you can use the XMP-1864 timings at 1600 Mhz. net Aug 29, 2012 · This is why 1600mhz DDR3 memory appears as 800MHz in cpuid. Aug 14, 2016 · For example, DDR3-1333 does not have a clock frequency of 1333 MHz, but half that. I don't remember exact numbers, it it doesn't matter. If your board fails to train secondary timings and VCCSA on AUTO, you might also have to adjust those as well. . I had a Kit of Ver5. We put the 16 GB G. This means that despite the The numbers that do affect performance a lot are the first three and several key secondary and tertiary timings in the BIOS. DDR4 – More Than Just Frequency & Latency DDR3 vs. This is the best I can get out of it. 65 V? EDIT: I set memory to 1. 35 V anyways, some higher-end memory even 1. As a general rule, memory timings increase as clock speed increases, so of course DDR4 has looser timings since it's clocked much higher. frequency should be prioritized over tighter timings Secondary and tertiary timings (except for tRFC) don't really change much across frequency. ) Patriot Viper III memory brand. Lower primary timings help Team Group’s Xtreem DDR3-2800 jump to the lead in both DiRT 3 and Metro Dec 17, 2014 · Generally speaking, DDR4-2400 XMP values have tighter secondary and tertiary timings than DDR4-3000-rated parts, and that was also true when compared to G. 45V? Short answer: no Generally newer ram chips can run ~1. The Hynix DDR3 4Gbit MFR IC was known for easily hitting really high clock speeds at normal voltages when it was introduced. overclocked my ram is running at 2000mhz 11 12 12 28 with RAS 250 (Some secondary timings are also changed slightly but so far it seems fine) Nov 7, 2007 · The grey bar in the graphs (1) indicates the ‘stock’ timings of the OCZ Platinum EB PC3-12800 memory. Is there any software that makes me see my FULL DDR3 RAM Timings? Primary, secondary and tertiary timings. Will there be a Part 2 that dares to tweak secondary timings and beyond? Reply. Timings: When we are talking about timings, we are talking about the speed at which the memory controller access's reads and writes from one 64bit block to another Apr 3, 2019 · DDR clock is more important than timing (25GB/s vs. 35v (DDR3L), 1. So the values it's detecting for 1066mmhz could be different than those used for 1333mhz. XMP timings on 2400 Gskill tridents is messed up because of a ropey bios I need smooth 1333Mhz timings and that includes secondary as well. 6V I doubt CAS 8 will work, but will give it an attempt -- why the heck not. Feb 23, 2016 · Ok, here is the situation: I originally had two single DDR3 G-Skill sticks F3-12800CL9S-4GBXL (note the 'S'). dish_moose. The tertiaries were a noteworthy part of the issue for sure, but the primary / secondary timings that were actually part of the XMP profile were definitely quite bad. 66 V. There are very few secondary or tertiary timings that should be altered. This There are no universal ideal timings. UCLK=MEMCLK, power down disabled, FCLK=2033. On your 4100 C19 profile, there is a 3T gap between each RTL channel. 45 V safely (and XMP profiles usually use 1. Thread starter Hvale2k5; Start date Aug 19, 2010; H. Jan 15, 2016 · However, the mainboard supports XMP 1. Joined Feb 19, 2008 Messages secondary timings are kinda standard A quick way to figure out if one set of timings is faster (in terms of latency) than another, is to divide the frequency by the timing. They need to be 0-1T. cl30 @ 4000MHz is slower than cl40 @ 6000MHz Oct 6, 2020 · At the end of DDR3, and through DDR4, JEDEC introduced additional sub-timing specifications for each data rate DDR3-1866 at CL13 was already at 13. Many people are able to max it out to 65535, but your mileage may vary. L3 cache will be 5-6 times faster anyway. 72V with 11-11-11-30 primary timings. It is not backward compatible with any other type or memory. But how about optimizing sub-timings like secondary and tertiary timings for gaming ? Let's find out is it worth it Test system i7-8700K @ 5Ghz core and 4. xls Here's a sample of the Sticker that shows yoru RAM timings, you can usually either find a picture of the RAM Timing Stickers online for your Memory Module of choice or it'll be listed in the product listing. For example, the first timing (Called "CAS Latency", where "CAS" means "Common Access Store"), is the amount of cycles between the RAM receiving a READ command and the data requested in that command being made available. 75, and figure out which of your primary timings scale with voltage. I can tell you about those if you are trying to tighten your memory timings. It mostly came out in single rank form with kits clocking up to 3000MT/s from manufacturers that bin them. also the values of tCKE is different on amd and intel, hoping some extra explanation :D Returning to previous formatting, here are the last 6 secondary timings: tRFC : Refresh Cycle Time. For example, 1866 / 9 = 207. Would that cause any overheating issues when ı go for 1. Apr 27, 2019 · That is do your primary timings first, then secondary, and tertiary last. Quite a few articles, blogs, posts, and threads do discuss the fact that primary timings s Aug 30, 2012 · You can get 1600 MHz on AMD, but it wil lrequire either motherboard that supports XMP(there are several AMD boards that do), or you need to manually input your primary and secondary timings. tRFC was at 128 (confirmed in CPU-Z and BIOS) Oct 22, 2015 · However you might need to manually fine tune the secondary timings and system voltages (VCCIO/VCCSA), if the board fails to do so on AUTO. Jun 26, 2015 · The controller will not adjust the timings taking into account the reduced clock speed; instead, it will just use the timings advertised by the memory module for its maximal clock speed, resulting in lower performance (than could be obtained with a lower speed but lower CL module). Jan 1, 2019 · Hi, i tried to find here some explanation or documents which help me understanding the "rules" or "basics" for the timings of DDR4 RAM especially B-Die G. 575 volts is unstable for 2133mhz im wondering what affect would 10-11-11-28 just adjusting T Ras would have and what secondary timing could i adjust to make it stable and what secondarys can be ignored and what ones to focus on since not even actual hardware overclocking has provided a in depth video on ddr3 timings and what they mean Sep 5, 2011 · We left secondary and tertiary timings at the manufacturer’s discretion, and included reference DDR3-1333 CAS 9 results as our performance baseline. Help to to configure my RAM at CL7. Jul 9, 2021 · For DDR3, typical voltages are 1. Skill 2133 MHz kit through the paces, and push it to the max. Sep 10, 2014 · Long story, short - H81M-E Board only supports 1333Mhz Speeds. 65 V is the next step up for DDR3. Aug 19, 2010 · DDR3 Timing advice. Aug 20, 2016 · For both versions try timings of 11-13-13-31 2T and 1. Your RTL/IO-L offsets are definitely out of whack a little and need to be straightened out. Edit, secondaries: 350-7-15-11-11-36-8 (tRFC-tRRD-tWR-tWTR-tRTP-tWCL) May 26, 2021 · 文章浏览阅读5. The two sticks were running XMP at 1600 MHz with the rated 9-9-9-24 timings. 8Ghz uncore ASRock Z370 Taichi P4. 7 or 1. I suspect it just requires doing what all the pro overclockers do, try things for hours until it stops crashing. But the problem is that there are far more RAM timing and control settings than i understand. Bios only shows the default speed options (1600 mhz) which is hard to base on when overclocking to high speeds (overclocked mine 1600 to 2200). RAM Timings: CAS, RAS, tRCD, tRP, tRAS Explained. (10-12-12-31-2N tweaked down to 10-12-11-31-1N stable though) There's no tCKE listed either in SPD but my board defaults to 6, and I can't find where RC is in my BIOS. Also, these timing should not be taken in isolation either. How are those picked? For example, my ram is 667(ddr3-1333) and pushing beyond Dec 1, 2015 · DDR3 vs. Jun 19, 2013 · My understanding of DRAM timings in general is that many timings overlap with respect to when they actually occur during any memory operation and several timings occur within the primary timings. Secondary ram timings. The 8-8-8-24 is not even half the timings used, but those are the primary 4. You likely won't see much performance gain in real word applications. 33 and 2133 / 10 = 213. Secondary and tetiary are currently on Even secondary timings are pretty much magic, tertiary ones mean nothing at all to me. trade off potentially needing higher voltages -On Ryzen 3000 and 5000, 1usmus suggests 28Ω - 40Ω. You see, memory is a matrix of billions of capacitors that need to be recharged. As with all overclocking, it may affect the lifespan of the CPU, but there are not intantaenous deaths with a small amount of overvoltage. Data rates beyond DDR3-2400 require longer secondary timings, and the motherboard responds with looser tertiary timings. Screenshot below of my current timings. [10] CAS latency of 9 at 1000 MHz (DDR3-2000) is 9 ns, while CAS latency of 7 at 667 MHz (DDR3-1333) is 10. This article explains the most impactful RAM timing far better than I ever could. 65V for DDR3-2400 10-12-11-28 and DDR3-2600 11-13-12-31 on ASUS Maximus V Extreme. DDR3-2000 memory with 9-9-9-28 latency (9 ns) was available in time to coincide with the Intel Core i7 release. Keeping all frequencies the same, I want to overvolt the memory to reduce the timings. A lot of the theory around how to overclock DDR4 also applies to DDR3. Skill. DDR4 – More Than Just Frequency & Latency Some people have shied away from DDR4 because of the loose timings, but that's somewhat shortsighted. wyca dfshj cexmx lmfvpd zklhkk hsrgmhn zpmj mpxyo wlmm terxm krzc qwtsk ehrcf uhkg ashzci