Dram frequency ratio fsb. 1 Mhz NB Frequency: 2052.

Dram frequency ratio fsb Its normal. UCLK is still set to auto though. This ratio tells us “who is running faster than whom” and when DRAM frequency is more than base FSB or both are the same then we won Jan 26, 2008 · So with an FSB of 400 MHz (CPU Host Frequency), CPU Clock Ratio at 8x, and DRAM Multiplier at 2. And if I ran any of the "tuner" applications, either from the bios or the asus tuner, it resets the xmp profile, but it does return to the 1:7 ratio and has returns faster cpu speeds than the xmp does. 18/1 = 18x multiplier. It is the memory multiplier ratio. Yes, XMP is enabled and I've manually set the RAM to DDR4-3200 in the UEFI with the timings on auto (I think). 5 V of DDR3. Mar 2, 2008 · my question is how important is a 1:1 fsb dram ratio? i have better performance when my ram is overclocked to 500mhz (1000mhz) 5-5-5-15 than when it is 409 mhz at a reduced timing The ratio by which the front side bus (FSB and usually set at 100mhz) is multiplied to get the memory frequency (DRAM rate). So CPU-Z should show a DRAM Frequency of 1200mhz, and a BCLK/DRAM Frequency of 1:12, but it doesn't ? It shows the correct base frequency (1200), but the ratio is 1:24 indicating that my BCLK is incorrectly set at 50mhz. Congifuration options: [Auto] [200 MHz] [266 MHz] [333 MHz] [400 MHz] DRAM Frequency [Auto] Allows you to set the DDR2 operating frequency. Jan 4, 2008 · Our Asus Maximus Extreme set the correct 400 MHz boot strap, which thus eliminated the required 5:3 DRAM to FSB ratio, and all modules instead defaulted to DDR3-1066 speed. unless the RAM can First off, to answer your question about FSB:DRAM ratio, 1:1 is called synchronous mode, because it will scale the speed of the sticks to that of the FSB rated speed, anything above that, 1:2, 1:1. 1 @ 2:8 FSB ratio with NB frequency @3032. The memory and memory controller run at the same frequency in Gear 1(1:1), while Gear Feb 21, 2022 · There are only options for BCLK : DRAM ratio (auto/100:100/100:133) and Memory controller : DRAM freqency ratio (auto/1:1/1:2) Click to expand Well then, leave the bclk alone, i wonder if you enable xmp and use 1:2 on dram frequency ratio would help. In a benchmark, these numbers are used to set apart specific moments of extreme FPS dips that may happen whenever you’re, say, loading into a new part of a given map or Jan 11, 2022 · The ratio between DRAM and FSB is commonly referred to as “DRAM:FSB ratio”. Actual measurements are about half the speed of the RAM (random-access memory) and can be adjusted up or down depending on Oct 24, 2010 · If I do this, CPU-Z reads it correctly as 800 Mhz with the correct FSB: DRAM ratio of 2:12. At this point, RAM is the cause of the bottleneck and FSB:DRAM ratio is 4:3,33. FSB Frequency [XXX] Displays the frequency sent by the clock generator to the system bus and PCI bus. But at an FSB of 400, (400x8. Dec 13, 2006 · A 1:1 FSB:RAM ratio is not an overclock. It is not something I would have changed intentionally and what I understand Intel has taken away the actual FSB function overall so why would it change? in addition what does it actually mean in terms of performance and what settings actually change it. The first thing you should do is run Memtest86+, and see if it's stable at that frequency (any errors mean the modules failed for whatever reason). Generally the FSB was 100 or 200Mhz. • When the DRAM Frequency item is set to [DDR3-*1600MHz*], [DDR3- *1800MHz*] or [DDR3-*2000MHz*], the FSB Frequency and CPU Ratio Setting items will be optimized automatically. but then it grows Latency because of the throughput is reduced. The PCIe was 100Mhz. So 100*(54)/3=1800. Dec 16, 2018 · fsb:dram 이 비율이 지금 340016CL 로 했을때 1:34값이 나오는데이 비율이 높으면 좋은건가요 … Feb 8, 2023 · Even if your game in question doesn’t have its average FPS increased by increasing your DRAM Frequency, it will almost certainly see improvements to 1% and . This results in Aug 1, 2018 · 1) I have seen some people saying that you should always go for 100:100 instead of 100:133 ratio for BCLK/DRAM when memory speeds and latencies are approximately the same. Get a new proc w/ 266MHz FSB, and the motherboard will gladly do 266MHz(133MHz FSB in BIOS)(The motherboard is built to do 266MHz FSB, anyway). Aug 11, 2021 · Here is a screenshot of the most recent stats at 3600MHz from CPUZ attached. 5 = 3400) that is only 3. 1:1 FSB:DRAM ratio: When overclocking on this platform a lot of people aim to get a 1:1 FSB/DRAM ratio, this means that the CPU doesn't have to "wait" on the RAM when communicating to the bus. . I give you an example: I can reach the 1866MHz for the DRAM in two possible ways using several UEFI BIOS settings: (i) CPU bus speed : DRAM ratio = 100:133. Vérifiez l'écran de la 'Vitesse de Bus,' 'FSB frequency' et 'DRAM Frequency' champs, et notez ces numéros sur une feuille de papier. 5-4-4-8-8, MAT changes this to 2-4-4-8-8 on occasions - still haven't fully gotten to the bottom of these Aug 26, 2020 · The problem is with the ratio and memory multi. cn , 内容合作: wangchuang@infinities. We would "lock the PCIe at 100Mhz. (or "dram frequency"). Feb 23, 2009 · 1:1 means that your cpu fsb is the same as your dram frequency. Thread starter jonnyrb; Start date Nov 16, 2010; Tags Heatsinks I'm currently running at fsb: dram 1:1 (375mhz). 9v HT Voltage = 1. I want a more stable and efficient system. DRAM speed only shows 1599. my current ratio is 3:14 200 x 23 - 4600mhz cpu x 13 - 2600 cpunb Nov 22, 2020 · 1. BIOS keeps showing 3200mhz Timing/voltage looks right and I turned on XMP in the BIOS. I have a Q6600 @ 2. If I choose 34,36,37 MHz, it will list a FSB:DRAM ratio of 3:5 to 3:54. 40 Graphic Interface PCI-Express Aug 19, 2010 · Here's my settings: FSB: 300 CPU Ratio: 13. Edited March 2, 2011 by Alexandre Jan 20, 2012 · DRAM/FSB ratio tutorial help AMD as you raise the FSB you have to lower the RAM frequency or you overclock the RAM and risk de-stabilizing it. Is this desirable? The memory is rated at 1800MHz and runs in a Gigabyte EP45T-USB3P. 00 you end up with a 1:1 ratio (333/667 NB strap; 800 MHz effective DRAM frequency. 4MHz when BCLK is 100MHz, so the FSB : DRAM ratio is indeed 1:8, although cpu-z still shows that as 1:6. ram would run its own fsb of 400 and the fsb freq ratio is for the final fsb between gpu and cpu. Jun 26, 2012 · Now I've also heard that having a 1:1 Ratio is a good thing. For exemple, my cpu as a bus speed of 333 mhz (and a fsb of 1333mhz quad pump) and my dram from cpu-z is 533. • Selecting a very high DRAM frequency may cause the system to become. Jan 13, 2017 · dram ratio 100:133 / 100:100 or Auto. Nov 15, 2010 · I'm not sure why you're intent on locking down the DRAM frequency at exactly 800MHz. Or 100 Mhz x 21. It simply means that the FSB and RAM frequencies match exactly. Reactions: Deleted member 185158 and Firas64 May 31, 2014 · When I set DRAM frequency at 2200 mhz, CPUID showed fsb:dram ratio at 1:11. That a RAM with the 133 mode (2133, 2666 MHz) somehow lags behind a RAM with the 100 mode because it is not fully synced with the CPU bus speed. cn / QQ 972310705 , 违法和不良信息举报电话: 010-87538607 邮箱: jubao@infinities. You own an LGA 1156 CPU/MB combo, so DRAM ratios are 100% irrelevant in your case. 4. 35v). So DDR2-533Mhz RAM runs at a real frequency of 266Mhz and the CPU with 533Mhz FSB runs at real frequency of 133Mhz (bus frequency) Therefore the FSB:DRAM ratio is 133Mhz : 266Mhz = 1:2 The processor speed is the CPU multipler (in your case 15) multipled by the "bus frequency" = 15 x 133Mhz = 2. 51v (Had to go up from 1. 22v NB Chipset Voltage = 1. cn 网上有害信息举报专区 京ICP备16021487号-5 京公网安备11010802027588号 Apr 10, 2010 · When I change the CPU Host Frequency the Memory Frequency automatically changes. So that means a ratio of 200:3733 is simplified down to 3:56. Because when I increase the FSB on the MoBo higher than 400, the DRAM frequency Jan 9, 2009 · Extreme Tweaker Ai Overclock Tuner : Manual Ratio CMOS Setting : 9 FSB Strap to North Bridge : Auto FSB Frequency : 333 PCI-E Frequency: 100 DRAM Frequency: DDR2-1066 DRAM Command Rate : 2N DRAM Timing Control: Manual CAS# Latency : 5 RAS# to CAS# Delay : 5 RAS# Precharge : 5 RAS# ActivateTime : 15 RAS# to RAS# Delay : Auto Row Refresh Cycle Jun 9, 2022 · quick question: I recently updated my mobo bios 'cause a security update, and since then my FSB-DRAM ratio has changed from 1:27 to 3:54. 5-4-4-8-8, but if you set it to 2. 4DRAM Frequency [Auto] 1 86 192 192 Download 192 pages, 5. Since this setting was a bit unstable, I changed DRAM frequency to 2133 mhz. Thread starter Guest Start date if that fails then you're going to have to OC the FSB -> 240 MHz " CPU Ratio -> 12 Mar 25, 2013 · To begin with I found the BIOS detected the DRAM frequency as 1333Mhz, so after doing a bit of reading up on it I changed the frequency manually to 1866MHz. 00) HT Link: 2052. May 25, 2017 · DRAM Frequency: คือความเร็วของสัญญาณนาฬิกาที่หน่วยความจำทำงาน มีหน่วยเป็น MHz ในตัวอย่างนี้หน่วยความจำทำงานที่ความเร็ว 1631. 2 is common, your ram frequency will also drop when this happens, the system may also try to slow down or speed up even when set manually, but less than what auto settings normally do. 6000:2000 6200:2067 6400:2133 Will be standard, and optimal generally achievable options when it comes to 1:1 memory mode on AM5. For example, see So much for 1:1 fsb:dram ratio being the best. Oct 30, 2023 · FCLK:MCLK ratio definitely matters, there is a point however in which faster flck out paces 1:3 ratio. Similarly, a Core 2 Duo E6300 has a stock FSB of 266Mhz. Apr 2, 2008 · cpu-z is reading a ratio of 1:1, dram frequency of 350mhz, timings 4. So take the ratio of 3:54: equivalent to 1:18, or 1800mhz per hertz (single cycle) There is your infinity fabric speed. I thought a 1:1 ratio is optimal? If so, why would it default to 1:2? Because 400 * 4 = 1600MHz ok that's done. Ratio CMOS Setting [12] Use the <+> and <-> keys to select the CMOS ratio values from 6 to 12. 100/133, 108/144. 74V) FSBRAM Ratio: 1:2 Hardware: AMD Phenom II X6 1055T Asus M4N98TD Evo AM3 SLI 980a Motherboard (2x2GB) OCZ Black Edition CL8 DDR3-1600MHz RAM So how stable like in Prime95 would these • The DRAM Frequency configuration options vary with the FSB Frequency settings. Besides the overclocking issue, your DRAM:FSB ratio (FSB doesn't exist anymore) is fine. So, based on the above, for 1:2 ratio on your 156MHz BCLK clock, you would need to lower your DRAM Frequency to 312MHz Apr 12, 2021 · My system. Ok then find by calculating like this, ratio * the FSB = CPU clock speed In this example you'll need the ratio of 7,5. FSB Ratio and timings. The base clock of the 1155 and 2011 socket CPU's runs at 100 mhz, which means your ram is probably running somewhere around DDR3 1333 Mhz speeds. Everything else is the same, as I set it personally, frequency (DDR4-3600mhz), timings (18-22-22-42; 631-2T), voltage (1. It Jun 8, 2013 · ive been reading up on overclocking ram and see numerous articles on fsb:dram ratio, but every so often i see its called BS. Because the data rate is in increments of 66 it has to be a :3 ratio. Attention! Your ePaper is waiting for publication! By publishing your document, the content will be optimally indexed by Google via AI and sorted into the right category for over 500 million ePaper readers on YUMPU. And I get stuttering even if I do not let the FPS run wild :D I have 75Hz freesync - 2560x1080 monitor atm (lg 29um68) and I use RTSS to lock FPS lower than max. FSB is not the FCLK. 98). g. 6:1 DRAM ratio is the only way I can boot to my current overclock (crap RAM), and I see no performance decreases because of it. Ram is double pumped, so that would mean that your ram is running at 841mhz, which is over factory spec for your particular ram. Mar 26, 2007 #12 Jan 12, 2013 · But when I booted into it cpu-z now reports the ratio as 1:8. Max Bandwidth = DDR4-2132 (1066 MHz) Please tell me if this is correct for the memory that I have or is there something else I should do. 66 to 1:2 and not changing FSB it decreases the frequency of the RAM. 0875mv SoC Voltage to 1. But 18x100 is only 1800. So the ram is 800MHz, that means the FSB would have to be 400 for a 1:1 Ratio. I want to maintain a 1:1 FSB:RAM ratio. Asus P5Q-E FSB Frequency [XXX], PCIE Frequency [Auto], FSB Frequency, Front Side Bus, DRAM Frequency, Ai Overclock Tuner, 3. However, on Alder Lake, the 100:100 ratio offers similar performance. Jan 22, 2005 · FSB as much as i can, and keep the Memory frequency at 1:1 to FSB. My current fsb to dram ratio is 1:7. 6 NB Frequency and 1799. 8ghz . Nov 24, 2010 · FSB:DRAM Ratio. 33. A Pentium 4 630 CPU uses an FSB of 200Mhz. I went ahead and set the FSB-RAM ratio to 1:1 in the BIOS, and started playing with FSB. It's the Infinity Fabric that should be running 1:1 with your memory speed Mar 4, 2003 · Uncore Frequency to DRAM is what should be 1:1. 5, etc, will not really net you any increases, and as well, it will allow you to achieve lower latency due to the lower ram clock speed. BELOW 120, you get a 3/4 ratio. Now don't forget the CPU ratio, lets say original settings is 9. Unless OP has some wacko board there is never any reason to look at it. Sep 6, 2014 · The FSB 😀 RAM ratio is the ratio between the clock frequency of the FSB and the clock frequency of the DRAM. ) Using a 5:6 divider (333/800 NB strap) with the same 400 MHz FSB, you would end up with a resulting 960 MHz DRAM freq. Thanks for the clarification! Feb 5, 2010 · Dram is 758. ) Increasing the FSB is considered overclocking. Thanks again, jaquith. 4GHz) I wanted to go higher than that. Nov 24, 2020 · Per the title. Brief summary of hardware crucial balistics tatical ram 1866hz ram 2 4gb sticks and 2 (4gb sticks of another color). And Asrock uses the same method as Asus, in that both integrate the DRAM multiplier / BCLK : DRAM ratio into the DRAM Frequency option. Your RAM is operating at 2400MHz effective. (under 'DRAM clock speed'), under FSB. the 1:1 thing is a bunch of bull. Atm I am using x570 asus prime-p. What is DRAM frequency DDR4? DDR4 operates at a voltage of 1. remember, its imp to set your ram in sync mode to get the desired 1:1 ratio. Feb 1, 2022 · The FSB, the CPU multiplier and the DRAM frequency. The processor is set to stock speed @2. This gives a 1:1 ratio. In the case of Gulftown processors, the IMC to CPU interface is wider to allow for a 3:2 ratio instead of 2:1. 0 Ghz Jun 29, 2011 · DDR3 DRAM Frequency. 8 MHz I don't. Alternatively you can also overclock the CPU by increasing the Front Side Bus (FSB) Frequency. your board support 400 so this will cap you. Use the <+> and <-> keys to adjust the FSB frequency. Now, if I go back and change the multiplier back to [Auto] in the bios, I get the incorrect CPU-Z reading of 538 Mhz, even though the Bios says 1600. 5v because the PC would reset once in a while between work) Is the FSB ratio supposed to be this high? Could use some insight. FSB : DRAM ratio = 3:54 2. Thread starter ppdemo Start date In fact, what I am looking for, is that the fsb ratio be as synchronized as possible, since Oct 13, 2014 · This is because of the FSB:DRAM ratios possible with the chipset. Your motherboad should have an option in the BIOS to set the DRAM clock to 100 or 133. 3. Thread starter Slyf0; My multiplier fluctuates from 36 to 38, DRAM frequency remains constant MattNo5ss 5up3r m0d3r4t0r Joined Jan 1, 2016 · Aller à 'FSB & configuration de la Mémoire,' 'Frequency/Voltage Control', ou 'DRAM Configuration'. It's seems on Ryzen that your IMC's FSB is your BCLK x2 (standard BCLK is 100 MHz so FSB is 200MHz). Nov 21, 2009 · From my lectures, I understood that a ratio of 1:1 most be established between the bus speed of my cpu and the dram from my memory sticks. 1 MHz. 6MHz DRAM Frequency, so I didn't understand why it was showing 3:54. 40v FSB & Memory Config FSB - Memory Clock Mode = Unlinked FSB - Memory Ratio = Auto FSB (QDR) = 800 Chipset Memory Timing Setting tCL = 5 tRCD = 5 tRP = 5 tRAS = 15 Command Per Mar 12, 2003 · CPU-Z is showing my ratio as FSB:RAM 1:2. no, the ratio is 3:1 (or 1. 1 Mhz NB Frequency: 2052. Feb 18, 2009 · Current CPU Frequency = 2. 100MHz and 133MHz. This tells the ratio between memory reference clock and the actual frequency. 66 coming from x8. 96Ghz RAM at DDR2-840 (maxed out) FSB = 286 FSB 😀 RAM 1:1 CPU at 2. Oct 18, 2017 · 大佬们fsb:dram 3:54是什么鬼 商务市场合作: BD@infinities. Jan 20, 2022 · It's possible that there won't be a ratio that gets you to 1333mhz - I simply don't remember. Mem: Patriot Viper 4400 CPU: 3700x X570 Auros Elite So I've got RAM freq and NB freq matched at 1867 in BIOS, so that should be 1:1 correct? Nov 5, 2009 · So at the current 470MHz FSB using a 1:1 FSB : DRAM ratio, this results in an effective DRAM frequency of 470MHz (DDR2-940), which is well above the rated 400MHz. AMD doesnt use an FSB, so CPU-Z shows the ratio to the base clock of 100 MHz (or 99. unstable! Mar 23, 2007 · Trying to figure out how to get a 1 to 1 fsb ratio with my ram, kinda lost, been reading and cant find any hints. To my surprise, the fsb:dram is now 1:8 as indicated by CPUID. AFAIK, that's something you can't set because it's just showing you the ratio between your front side bus speed and your RAM speed. 94 Mb DRAM Frequency là gì? DRAM Frequency là một trong các Tab Memory của CPU-Z nó cho biết về tốc độ bus thật của RAM. It is the front side bus speed, and that would be more like what is listed in your bios as Base Clock, although it is often not even there depending on the motherboard and bios. Greetings! First time memory overclocker here. The DRAM ratio selected is 1:18 where the first number points to the reference clock and the second number points to the DRAM clock. Many systems that can take the 630, use DDR400 ram, which runs at a frequency of 200Mhz as well. In fact, having a 1. I've got Thaiphoon Burner and the DRAM Calculator from 1usmus to work with. In modern systems, FSB becomes qpi link, nb/uncore freq with frequency equal to CPU or RAM in most case Feb 13, 2011 · trước tiên mình muốn hiểu rõ về Bus speed là gì? Rated FSB là gì? DRAM Frequency là gì? FSB: DRAM là cái gì? vào vấn đề chính nhá: máy mình có cấu hình như sau - CPU Intel celeron 347 Bus speed: 133 MHz Rated FSB: 533 MHz - Memory type: DDR Channels: single DRAM Frequency: 166 MHz FSB: DRAM 4:5 mình muốn mua thêm 1 ram 1Gb thì phải phải chọn Nov 16, 2010 · Ram frequency vs fsb:ratio. May 19, 2014 · While tweaking around I noticed that for some reason my FSB vs Dram ratio has changed. Jan 26, 2018 · If you change DRAM Frequency, DRAM ratio will be different. 5, my fsb : dram is 3:14 cpu multiplier is at x19 bus speed 3800 rated FSB 2410, How can I get my FSB : Dram ratio to 1:1 or something close? Chipset-----Northbridge AMD RD9x0 rev. 5 CPU Speed: 4050MHz DRAM Frequency: 1200MHz (7-7-7-16-1T @ 1. 33 and FSB is 800 (200×4) then your FSB is faster than ram. It transfers data four times per A memory divider is a ratio which is used to determine the operating clock frequency of computer memory in accordance with front side bus (FSB) frequency, if the memory system is dependent on FSB clock speed. DDR2 is doubled, so 533MHz (1066 / 2) is the DRAM frequency you should calculate the ratio with, as well. 1MHz ซึ่งเป็นค่าที่ถูกโอเวอร์ค Sep 9, 2008 · [b]Advanced[/b] [b]JumperFree Configuration[/b] AI Tuning = Manual System Clocks NB PCI-E Frequency = 100 DRAM Voltage = 1. Do the math. DRAM Frequency ：内存工作频率，比如DDR4-2800工作在1400Mhz，一般主板会直接显示DDR频率，而这个频率通常是AIDA64当中内存工作频率的2倍。 Primary Timing ：第一时序，通常会打印成标签贴在内存颗粒上，就是你买内存看到的那四个参数，CL，tRP，tRCD，tRAS So if you have CPU base clock 200, ram bus 667 with multiplier ×3. DRAM frequency is 1466MHz (2933MHz DDR) FSB of IMC is 200MHz Ratio is 3:44 or DRAM is roughly 14. BCLK/DRAM Multiplier = FSB / DRAM Ratio. Jan 14, 2004 · Lowering my expectations a bit I've had fsb to 350 with ratio 1:1 and for some reason CPUZ reports 287 (or so) fsb and dram at 287. apparently the best fsb:dram ratio to have is 1:1 which in my world is nigh impossible because the fsb (HTT) cannot set a baseclock high enough for such. What would my next step be in trying to correct the fsb:dram ratio ? Yeah my understanding of it is that it just changes with the ratio/frequency set. This gives me a ratio of 5:8 bus/dram. You could also try tighter NB latencies by changing the strap to 333, along w/ changing the divider to 1:2, which also results in an effective DRAM frequency of DDR3-1333 at a FSB of 400MHz. With the FSB or the multiplier (for the CPU). cn 网上有害信息举报专区 京ICP备16021487号-5 京公网安备11010802027588号 Dec 1, 2019 · The FSB ratio is nothing you need to worry about, it just means that you increased the ratio between the bus speed and the memory. Mar 23, 2008 · This is the test configurations (reading from CPU-Z v1. 4Ghz (Black Edition) CPU Cooler: Corsair H100 Liquid Cooler RAM: Corsair XMS3 Dual Channel 1600 8GB 4x2GB Dec 11, 2013 · FSB:Dram ratio 1:1 - реально ли? Разгон 9 Cycle Time (tRAS) 24 Bank Cycle Time (tRC) 33 Command Rate (CR) 2T Uncore Frequency 2008. :wave: LinkedKube Posts: 3,385 +55. The FSB and resulting frequency from the multiplier The 3:5 FSB : DRAM ratio isn't anything to worry about, considering it's a divider specific to the 400 MCH / NB strap. 1mhz on the Memory tab, but then SPD tab shows 1066mhz. And that is what is confusing me. Nov 1, 2019 · Hi, I would like to know how to fix the issue between my ram frequency speed because when the laptop is not plugged in I only got 400mhz of dram frequency speed as cpu z speed shows, on the other hand when the charger is plugged in to my laptop it shows 933mhz, instead of getting a 1333mhz which is my original ram speed i got 2 sticks of 4gb 2666mhz, so why i am getting 400mhz of ram speed Jul 18, 2023 · DDR4内存比率 100:100还是100:133(DRAM：FSB Ratio)，对于13代IU有什么区别,RT跪求大佬们告知一下，我现在是13代处理器。内存超频的时候，内存的比率，也就是那个什么，DRAM：FSB Ratio，100还是133，这个对于13代处理器到底有什么影响？ Asus P5Q WS FSB Frequency [XXX], PCIE Frequency [Auto], DRAM Frequency [Auto], Ratio CMOS Setting [Auto], FSB Strap to North Bridge [Auto] 1 86 176 176 Download 176 pages, 5. 6 = ~2933MHz *** A 1:16 ratio would happen when the DRAM is clocked at 1600MHz (3200MHz DDR). Now, this is not a new rig; with a i7-9700k + Z390 Motherboard, it used to be top of the line when it was bought, but certainly isn't anymore. Apr 30, 2008 · FSB-to-DRAM Ratio Question (FSB-to-DRAM = 1:2) DDR2 at 667 CAS 5 (FSB-to-DRAM = 1:1) the base FSB frequency assuming a 1:1 divider. As long as it's all stable, you should be good to go. I was only playing with the DRAM frequency & ratio, as it is the purpose of this test, to see the effect of DRAM freq & ratio in reality. So bios 'forces' these settings somehow. So I get a decent overclock on CPU but it 'feels' as if I'm limiting my dram to 287 when it could run up to 333 (so far). All the guides talk of setting FSB 😀 RAM Aug 1, 2019 · The FCLK or memory ratio is what you want set at 1:1. so really no clue what you are talking about whatsoever. Min screenshot 3:54. 288K subscribers in the overclocking community. 33 = 100 Mhz. I don't intend on overclocking it currently. I wouldn't even know if that is embarrassingly bad! I wouldn't even know if that is embarrassingly bad! I don't think I'm getting anything like what i could out of my memory, CPUZ is telling me my DRAM frequency is 665. Please read the question before responding. If you look at the actual speeds and ignore the ratio you can see this. All you should be concerned when reading CPU-Z is: Does NB Frequency = DRAM Frequency? If so, you are in 1:1 ratio. 00Ghz RAM at DDR2-572 So you'd get 2% CPU gain for 32% RAM loss. 5:1 because DDR is dual rate) only way to get a closer ration is too bring your DDR speeds down. 8 so my values are not rounded evenly but with the example I have above, I got 1900:1900. But yes, if you set the BCLK to 160 then you can change the DRAM frequency to DDR3-1600 using the x10 DRAM multiplier. DDR technology (double-data rate) doubles the data rate given by the actual bus clock speed. The memory frequency can be changed by changing the FSB frequency and/or ratio. 6 times faster. It's showing 1799. 66 GHz Test no DRAM(MHz) FSB : DRAM CL tRCD tRP tRAS CR DRAM Voltage Mar 1, 2011 · Pretty sure the FSB: DRAM Frequency is the same as: FSB/[(Real) DRAM Frequency] = 4/16 (by "Real" I mean half the rated DRAM Frequency due to Double Data Rate memory) This would mean that: FSB = 4/16 * (Real) DRAM Frequency = 1/4 * 800 MHz = 200MHz Which is your current FSB or Bus Speed in that screen shot. Don't see an option to specifically set the ratio. My question is, how do I set the FSB 😀 RAM ratio in the BIOS? All I can do is select one of 667/800/AUTO in the DRAM frequency drop down menu. There is nothing anymore connected directly on the FSB clock. The Q6600's Bus Speed (as shown me by CPU-Z) is 266 MHz, so now I'm getting a FSB : DRAM ratio of 1:2. That would be an example where lowering CPU speeds slightly could have significant gains for RAM. To keep the 1600 mhz frequency you would need a ratio of 4:1 with a bclock of 200 mhz Jan 7, 2009 · Acc to your ram description, your ram is designed to run at 800mhz[dram frequency=400]. My bus clock is 99. The FSB is QDR, or Quad-Data-Rate. Actual RAM clock is half the "advertised" value for DDR-4, that is why the 3600 XMP has 1800MHz clock frequency. I noticed the CPU core speed increased slightly as a result, presumably because the FSB : DRAM ratio is set to AUTO. Mar 1, 2022 · I know that the DRAM Frequency should be 1600 MHz since it's rated for DDR4-3200. Just the ratio has changed, and I can't understand why. To keep a 1:1 ratio when going for a 4. The base clock is measured in megahertz, and the memory is measure in gigahertz. FSB:dRAM says 3:57 but that doesn't matter (to my knowledge) for this topic. Learn to overclock, ask experienced users your questions, boast your… Jul 16, 2022 · Set your DRAM target data rate. with 220 you run you have a ram fsb of 440. 0 <--- Set to Auto Case: (White) NZXT Phantom Enthusiast Full Tower Case Mobo: Gigabyte GA-890GPA-UD3H CPU: AMD Phenom II x4 965 3. Adding the extra 4gb has been a pain. Oct 26, 2015 · I have 1600mhz ram dram freq 937. I quote from FSB:DRAM 1:1 ratio question: The higher clocked the RAM is, the more performance one will get from the RAM. In other words, DRAM Frequency x FSB:DRAM = Reference clock. DRAM Frequency: Operation speed of Memory Rank. It is. Janus67 Benching Team Leader But you say the goal is 1:1 with fsb: dram ratio. DRAM:FSB ratio on Gigabyte Z390 Aorus Pro With all the recent talks about Gear 1vs Gear 2 and its non-negligible impact on performance, I was willing to check what is the setting on my own desktop. 4 GHz CPU and 4GB of PC2-8500 (at 533 MHz or 1066 MHz DDR). 1) Why is it at 500 MHz? Isn't 400 MHz the maximum for DDR2-800, or is this the effective clock? Even if so, shouldn't it be at 800, not 500? Mar 3, 2008 · If a more aggressive ratio of 2:3 (400:600 or DDR 1200) is used, then the increase in memory frequency can marginally overcome the latency introduced in translation across the FSB between memory and processor clocks, resulting in a marginal increase in memory performance, which typically yields an increase in memory benchmarks of 2 to 3%, and Mar 19, 2013 · I'd like to ask a question regarding FSB vs. Fyi DRAM & NB frequency match and seem to be 1:1 but, FSB:DRAM ratio is at 3:54. com. Basically it's the RAM multiplier. 43). Mar 10, 2022 · How to Change DRAM Frequency? What Should the DRAM Frequency Be Set to? Final Words; What Is DRAM Frequency? DRAM (Dynamic Random Access Memory) frequency is the percentage of data transferred per second on the data wire. The fabric clock or FCLK is the speed of the communication links between the different parts of the CPU, and yes it is best to be set to the same Nov 13, 2020 · If we take the same 3800 spec and just increase the frequency to DDR4-4000, which right now in the absence of 2000 MHz FCLK support decouples from a 1:1 ratio with the Infinity Fabric, we actually May 3, 2012 · I am trying to achieve a 1:1 ratio for FSB 😀 RAM Could someone tell me the formula or what to change the numbers to and which numbers? Here are my stats from my gigabyte BIOS: CPU/PCIe Base Clock: 100 MHz CPU Clock Ratio: 34-----System Memory Multiplier: 16 Memory Frequency: 1600 MHz-----Standard Timing Control CAS Latency: 9 tRCD: 9 Apr 23, 2024 · 用cpu-z 读取电脑中的内存信息时，fsb: dram 是代表什么呢？ 又与 内存频率 的关系是什么呢？ DRAM Frequency: 1329. I guess I will work on trying to tighten timings a bit and see if I can squeeze a few more points out for now. BLCK is manually set to 100 in BIOS, BCLK/DRAM Frequency manually set to 100:100. I do not plan to go over FSB=133, hence PC-133 memory would be operating below or at but bot above its limits. viren , Dec 30, 2008 #9 When set to [Auto], the FSB Strap will be adjusted automatically by FSB Frequency and DRAM Frequency. Learn to overclock, ask experienced users your questions, boast your… No. By increasing the FSB you will also be increasing the DRAM frequency (unless you change the "FSB/DRAM" ratio. DRAM speed = 133 * 14, that is 1866 (ii) CPU bus speed : DRAM ratio = 100:100 Dec 4, 2011 · IF I remember correctly rated FSB is the theoretical maximum frequency the FSB can handle. BCLK Frequency = 100. For Uncore:DRAM ratio, Gulftown has a minimum requirement of 3:2 where as Bloomfield has a minimum requirement Aug 19, 2001 · What you did was set your CPU speed to 1133MHz. if you could change your fsb/dram ratio it would be no problem but this option is missing in 288K subscribers in the overclocking community. 06 Mb Jan 13, 2015 · I'm new to overclocking and just recently learned about the front side bus ratio to ram frequency. I am not sure why your ram settings aren't holding but 333 x 6/5 = 408MHz so that makes sense as it says 5:6 FSB to RAM ratio. 6/5 ratio) ) 2) RAM latencies are the number of clock cycles it takes to perform a certain memory operation. The system runs fine at 20x120 (did not try higher), but when I check Mar 14, 2007 · FSB = 280 FSB 😀 RAM 2:3 CPU at 1. Diviser la fréquence FSB par la fréquence de la RAM, puis de diviser la fréquence FSB par la vitesse du bus. Then You could overclock in two main ways. 5x multi, your ram would be running at 421 dram frequency. Unfortunately, the DRAM Frequency is down at 1866MHz, even though both Modules are 2666MHz pieces and the Laptop can handle up to 2400MHz. Sep 21, 2023 · FSB:DRAM. 0ghz OC, I must change the Memory multiplier to 2. 00, which changes the Memory Frequency to 800Mhz. FSB and DRAM ratio: The ratio of front side bus (FSB) frequency and DRAM Frequency RAM Timing Benchmarks (CL, tRCD, tRP, tRAS, tRFC, CR): Each of the 6 different benchmarks individually represents the frequency cycle required for different DRAM operations. Nov 27, 2021 · This are the settings I'm using in the BIOS with gear ratio 1:1, CR 1T, and XMP at 3600MHxlz CL16: View attachment 226979 View attachment 226980 View attachment 226981 So far system has been stable, running multiple games, and hasn't crashed, I might do a more thorough test of the RAM as @ir_cow recommended, to ensure it's 100% stable. FSB to DRAM never runs 1:1. 200MHz * ~14. NB-Frequency is at 2400MHz but isn't that the Uncore? The FSB : DRAM Ratio just says asynchronous, but I'm guessing DRAM is under FSB which is not max performance. DRAM Frequency = DRAM Multiplier x BCLK. If I choose 32, it will go to 1:16. Nếu là dòng ram cũ thì chỉ số tại “DRAM Frequency” chính là bus ram. You can also type the desired FSB frequency using the numeric keypad. Dec 21, 2009 · CPU-Z is showing my FSB 😀 RAM ratio as 3:5 which I'm assuming is putting too much strain on my RAM. CPU FSB 166Mhz(333):Ram clock 166Mhz (pc 2700 ram). I can tell you that even on a platform where FSB /does/ matter, having the DRAM at a 1:1 ratio isn't important in the slightest. Table 1 shows an example of some common ratios. I've also tried setting the FCLK frequency to 1600 MHz from Auto, so it's an 1:1 ratio with the Infinity Fabric. They still run at double Mar 19, 2012 · for example ratio 2:1 = 200 x cpu ratio of 9 would be 1. Jun 12, 2011 · I tried BLCK 101MHz, the DRAM frequency shown in CPU-Z is 808. For example: DRAM Frequency = 2133 Mhz FSB:DRAM = 3:64 = 1:21. 1st we would set the RAM at manufacturer's specs or below (if doing an FSB overclock) Jul 24, 2001 · In the ASUS bios, any fsb speeds above 120 give you a 1/1 ratio of fsb and memory bus speed ie;133/133 or 125/125. You have (rounded) 100 MHz FSB clock, and want 1800 MHz RAM/FCLK. 1MHz instead of 798. The second best configuration for your CPU / memory combination is to set your memory frequency to 333 MHz (5:4 ratio), manually set your memory timings to 3-4-4-8-8 (I know you actually achieve 2. 0 Mhz (BIOS DRAM Freq set to x6. 02 Southbridge AMD SB910/950 rev. this limit is almost never reached. AMD Ryzen has difficulty getting higher DRAM clocks. Configuration options: [Auto] [DDR2-667 MHz] [DDR2-800 MHz] [DDR2-1002MHz] [DDR2-1111 MHz] Dec 4, 2012 · FSB:DRAM ratio question. Refer to these CPU-Z Screencaps for more details: Feb 22, 2011 · Memory Frequency. 2 V with a frequency between 800 and 1600 MHz (DDR4-1600 through DDR4-3200), compared to frequencies between 400 and 1067 MHz (DDR3-800 through DDR3-2133) and voltage requirements of 1. Therefore reference clock is 2133 Mhz / 21. The values range from 200 Nov 25, 2011 · By doubling the Uncore frequency, the full 192-bit data Uncore to CPU transfer can be completed in one memory clock cycle. So if you have your cpu overclocked using 421 fsb with 9. This is the best I have come up with with 8GB of memory. Oct 8, 2007 · Getting a 1:1 FSB/DRAM Ratio Important? RAM ratio, is it really that important to be at 1:1 when OC'ing. So it's just data rate divided by 100 over 3. 125v Ram voltage at 1. CPU-Z Screenshots. 7MHz 与实际内存频率关系： 约等于 1： 2 FSB:DRAM: FSB：Front side bus，现在CPU采用BCLK, 默认是100 or 133 下图片的 3 : 40 就可以按以下方法推算出内存频率： BCLK Jul 29, 2008 · 1) According to FSB/DRAM ratios, does the memory bus have a completely different clock from the FSB? Is it generated by another independent clock-generator circuit? (the cpu clock is FSB x multiplier, but the memory clock may not (e. Jan 8, 2012 · DRAM Freq: 760. Much help greatly appreciated! That suggests a paradox if neither the ratio or the DRAM frequency values have changed. cpuz reads a ratio of 8:9 dram frequency of 400mhz i done a little memory benchmark on everest: with settings 1 - memory read 7571, memory write 6368 Mar 23, 2011 · Also by changing it from a ratio of 1:2. Jul 13, 2017 · I noticed that my fsb to dram is 11:13 I don't know If that normal or not so I decided to underlock my ram to 667MHz so I can get 1:1 ratio and for some reason it's working like magic! My pc are now much faster especially at the boot and no more mouse freezing My vcore also decreased from 1. Mar 19, 2012 · In case of legacy systems where the memory controller was present on the northbridge, while talking about FSB : DRAM ratio we are concerned with the base FSB frequency and the DRAM frequency (base clock rate). Apr 30, 2006 · This rate is normally specified relative to the front-side bus (FSB) clock. Còn nếu là dòng ram mới (DDR, DDR 2, DDR 3, DDR 4) thì bạn hãy lấy chỉ số tại mục “DRAM Frequency Dec 16, 2011 · fsb:dram不是1:1怎么办 商务市场合作: BD@infinities. Ouch. because if it worked, then i guess you lose the silicon lottery :" Sep 5, 2008 · According to CPU-Z, my DRAM frequency is at 500 MHz at the moment, but I'm running my Q6600 at 333x9. 333MHz (1333 / 4) is the FSB you should calculate the ratio with, as esker has shown. So at the end your clock settings would be like this: FSB * Amount CPU core = FSB clock speed 400 * 4 = 1600 MHz Aug 2, 2012 · Many people advice 1:1 ratio, but there are also testimonies for the opposite. 152v to 1. 2) if i change these settings (bios) to unlinked, same fsb qdr, and manually set the memory to 800, same timings. All things overclocking go here. DRAM Frequency is 666MHz. The memory frequency is determined from a ratio, composed of the FSB (Front Side Bus) Frequency and the DRAM Frequency (Seen as FSB:DRAM). 1 FCC-B Radio FRequenCy inteRFeRenCe StateMent Micro - MSI. Take Feb 20, 2009 · FSB is "quad pumped" on Intel (socket 775) systems. Aug 16, 2014 · I understand why my DRAM frequency is 665 (1333Mhz / 2) but why is the FSB : DRAM ration 1:5? Question 1: What is downgrading my memory to run at 500Mhz (admittedly x2 from DDR, so 1,000Mhz), instead of the full 665 (or 1,333Mhz after accounting for DDR)? May 21, 2016 · The IMC can pick one of 2 reference clocks for DRAM. eg. Jan 6, 2014 · I've read that a 1:1 FSB 😀 RAM ratio is ideal, mine is 3:20 at the moment. Jun 18, 2007 · If a more aggressive ratio of 2:3 (400:600 or DDR 1200) is used, then the increase in memory frequency can marginally overcome the latency introduced in translation across the FSB between memory and processor clocks, resulting in a marginal increase in memory performance, which typically yields an increase in memory benchmarks of 2 to 3%, and Jul 12, 2009 · Unfortunately, changing the parameters does not reflect any change in CPU-Z in both the FSB/DRAM ratio nor the DRAM frequency itself. This doesn't make sense ! Here are the readings. CPU doesnt report the IF ratio When you see the FSB:DRAM ratio, thats comparing the base clock and the memory clocks. 43 MHz QPI Link being 3411. If you want to see the FCLK, use Ryzen Master. 87ghz (205x14) Current DRAM Frequency = 820mhz Adjust CPU FSB Frequency= 205 Adjust CPU Ratio = x14 CPU Frequency = 2870 Onboard VGA Over Clock = Disabled Advanced DRAM = AUTO or set to Manual cas5, tRCD5, tRP 5, tRAS 15, tRC 22, CR 2t FSB/DRAM Ratio = Auto or 1:2 HT Link Speed = AUTO or x5 or x4 Nov 8, 2012 · I am wondering whether the ratio between the FSB and the DRAM matters regarding speed. Im worried about the RAM Mhz being lowered. DRAM clock speeds. Thread starter Kayko the worse the FSB ram ratio is. 33 = 2133 Mhz. Jul 16, 2011 · Firstly, now with on-CPU memory controllers this is much more irrelevant, the CPU is now connected directly to the memory and so the FSB -> Northbridge -> Memory frequencies matter much less as the CPU memory controller frequency is the same as the memory frequency. Again nVidia chipsets are generally more flexible with unlinked ratios. Note: On AMD XP systems, often the best results are obtained with a 1:1 ratio with your FSB frequency. PBO is enabled to Enhanced 2 Negative Offset Voltage to . 032v (idle) in CPU-Z! Nov 10, 2008 · 爬了很多文章可是都還是看不懂~"~小弟cpu:e8400 fsb 1333記憶體:ddr2 800 2g*2我現在看cpu-z fsb:dram比例是5:6請問這裡的比例要怎麼樣才是越好的?要怎麼樣才能更改呢?(記憶體 第1頁) Under-reporting bclk when set to 100 by Manually by 0. 12. spent an hour or so looking thru similar threads. 1% FPS numbers. Or 1:1. jyn gzreqa glqspk rmqcm sdkayr vius dfvj zahdx zcnlxvp otb