Ram in slots 2 and 4. Likewise, installing RAM modules in slots 2 and 4 (or A2 and B2) also creates a dual-channel memory configuration. 2 and 4 are at the end of their respective ram channels. i have 2 x 16 gb with my 3700x and no issues at 3200 speed. higher speed ram in all 4 slots is a headache waiting to happen from my experience. And it will achieve higher performance than the option of using 4 RAM sticks (4x8GB). 2V) aren't listed on the QVL, but they do work in slot 1 and 2. Motherboard is Fatal1ty X99 Professional Gaming i7 and CPu , e5-2698 v3. Sadly for me it was the ram slot, there was strange residue on the slot and I cleaned it off and found the pin under was broken. But after I tried to install a third one it always throws me a blue screen of death. Ryzen is more tightly tied to ram so fast ram is important to performance. Ram slots #1 and #3 are one channel and slots #2 and #4 are the second channel so if you must populate your board with 2 sticks of ram to achieve dual channel configuration, they should go into slots #1 and #2 as labelled on the bottom of your board. Jul 28, 2017 · I'm thinking of buying the ASUS PRIME X370-PRO and i'm going to buy a single kit of duel channel ram (2 x 8gb sticks). Putting a stick in the last slot cleanly terminates the traces that connect the memory to the CPU (on a daisy chain topology board). Your RAM in CPUZ show that you're in slot 2 and slot 6. Step 4: Secure RAM Modules: Once all the RAM modules are inserted, gently press down on them to ensure they are firmly seated in their respective slots. So slot 1 isn't usually recommended as it'll stress out new builders who don't understand that 1 is A, 2 is A, 3 is B, 4 is B, so 1/3 is the same as 2/4, dual channel. Apr 25, 2022 · Experimental results also show that RAM slots 2 and 4 perform better than slots 1 and 3. For best RAM performance, you should only install identical RAM -same brand, model, and capacity. If you see CPUZ slot 3 and 6 slot 1 - 2 is a single channel, with a total of 2 ram slots daisy chained together, same goes for slot 3 - 4. says 1866 for dr 4 ram slots so i will try that too. By moving the cpu cooler connection from CPU to system as the 2 have same pins, the motherboard start with the 2 RAM. Check that channel B memory slots have NOT been disabled in BIOS. Each one of those channels has 2 slots. Nov 29, 2020 · I ran 2 ram slots in dimma2 / dimmb2 with xmp works no errors instantly like with all 4, swapped the ram sticks too and fine. The reason I know this is because on CPU-Z it is blank when it comes to DC mode. Only could boot with 1 stick in slot 1. First take the ram out and try each ram in a slot you know is working. Put ram into slot 3 (leaving in 1+2), boot, shutdown. The second pair should be installed in slots 2 and 4 or in slots labeled “DIMM2” and “DIMM3”. e. Nov 29, 2022 · There are some motherboards offering the option of both DDR3 and DDR 4 memory slots, but you get half as many as you would on a board with dedicated slots for one type i. When I install my RAM in slots 1 and 4, it starts, and complains that I don't have the RAM in the right slots to use both channels. on 4 sticks. Slots 3 and 4 are channel B. A four-slot motherboard usually works best with dual-channel configurations. If you have three sticks, you should position the third stick between the A2 & B2 slots. Since a lot of boards offer four RAM slots, a pair of two slots have to each form a RAM channel. After lots of boot issues and A/B testing I found that 2 RAM slots A1 and A2 (the first 2 from the left side) are not working and the PC will not boot if a RAM sti Nov 23, 2023 · Slot 4: Lastly, Slot 4, or DIMM4, is placed beside Slot 3. ran dimma2 / dimmb1 / dimmb2 / no errors Jan 6, 2020 · Trying to use slot 3 and 4 with and in any combination hinders my computer to boot up properly. . Apr 28, 2023 · Key Takeaways. Sep 13, 2023 · A RAM slot, also known as a RAM socket, is a long, slim slot on the motherboard of a PC. Slots 1 and 2 are channel A. When installing RAM sticks in two slots, it is generally recommended to occupy Slot 1 and Slot 3 or Slot 2 and Slot 4. So you fill slot 2 first, on each channel, for dual channel operation. Then test 2 RAMs in slots A2 B2 then A1 B1 and then all 4 in A1 B1 A2 B2 and check again. The key is to populate matching slots in different channels to enable dual-channel mode. 2133 because that is what the manual says for SR 4 ram slots. Please help in easy language. You likely can and the 8GB stick to it, but that additional 8GB will run in single channel. Nov 12, 2021 · Most often the memory channels are wired such that channel #1 first goes to slot #1 and then slot #2. the reason u see people advice you to put 2 sticks of ram in 2 - 4 slot is because slot 2 and 4 are the very end of the daisy chaining in their respective channel, so the electrical signals will always go through the first slot in the channel and end at the ram stick, which typically Nov 17, 2022 · Hello, I have just made a new PC build using ASUS ROG STRIX Z790-A GAMING WIFI D4 and 13600K with Arctic Cooling Liquid Freezer II 280. Repeat this process for each RAM module, filling all four slots. In looking at my options, I found that within the Performance tap of Task Manager that it shows my laptop having "Slots used: 2 of 4" so I had hoped to use the other two ports for additional memory. 4 Slots motherboard. I know . This can make it easier to understand where to plug your two RAM sticks in. Jul 7, 2016 · This is by design. Sep 13, 2023 · If you have four slots and one module, you can put the RAM in the first or fourth bank. The screen remains black. It makes life easy. Check the ram qvl list for your motherboard to see what is supported. I just put the 2 RAM in, and after a few tries it always worked. For three sticks, use slots 1, 2, and 3. Go to the RAM slot and gently remove the RAM module. This is have what I have tried so far: - Tests with the RAM sticks in any combination possible - Used slot 1 and 2 - System boots; Used one We come to a conclusion that the RAM Slot 2-4 is superior to the RAM Slot 1-3 as they both go good with the game and perform effectively but RAM Slot 1-3 has an incompatibility with the usage of the CPU. May 4, 2019 · Sometimes unused slots may accumulate some dust preventing perfect contact with RAM pins. Nov 14, 2013 · SuperUser reader Totymedli is curious about the color coding of RAM slots: I have always seen that the motherboard RAM slots are colored in pairs, but never knew what it meant. Many aftermarket coolers especially the twin tower style can broach slot 1, but it's very rare to find a cooler that'll broach slot 2 as well. With an Odd Number of RAM Sticks Sep 6, 2023 · Installing 2 sticks of RAM on the correct memory slot allows a multicore CPU to run on dual channel mode, where it can access data from both sticks of memory simultaneously. Turning on XMP hasn't enabled slots 3 and 4. Put it in slots 2/4 and the traces end at the memory modules and terminate. CPUs have channels to access and communicate with memory, in most cases two channels, more on higher end CPUs. They never work when the 2 new are plug at same time. However, if you are working with a 4-slot motherboard, slots 2-4 are preferred as A2 and B2 for exploring dual-channel functionality for the first set of sticks. Apply gentle pressure until the module clicks into place. Either RAM stick works in slot 1 or 2 (or in both). And thanks May 26, 2020 · I get 2 new ones. My Motherboard have only 2 slots. Beware that tactic might not That's how it's supposed to be, and how you use dual channel memory. Experimental results and benchmarks. You can potentially use the first and third slots as well (A1 + B1), although the added space between the CPU and the memory slots tends to aid airflow, which is why we recommend A2 + B2. Specs: Motherboard - ASRock 970 Pro3 R2. 2 sticks of RAM are not suitable for heavy-duty applications and high-end games. Meaning that no matter which slots you use, the stability is the same. Daisy chain has slots 1+3 wired first, 2+4 last. Nov 12, 2021 · Channel #2 goes slot #3 -> slot #4. If you have two memory bars in four slots, you should use the second and fourth slots. Nov 1, 2016 · A single 16gb stick will not operate as fast as 2 x 8gb. With 2 RAM slots you are only able to install 32GB RAM but able to use the faster RAM. Dont worry yet though. On some motherboards, you'll notice that the RAM slots that support dual-channel memory will be color-coded. If I have sticks in all 4, The LEDs come on but the pc does not boot at all. Got new RAM and was getting a BSOD loop when enabling the XMP profile for 3200MHz (when I know for a fact my mobo, cpu support this RAMs XMP profile). The first pair of modules should be installed in slots 1 and 3 or in slots labeled “DIMM0” and “DIMM1”. Gigabyte GA-P67A-UD3. Here, the correct memory slot means alternate memory slots on the motherboard. For dual-channel, the most common memory configuration, a pair of RAM modules should be inserted into the first and third, or second and fourth slots. Channel #2 goes slot #3 -> slot #4. 0 RAM - 4 x HyperX DDR3 1866 MHz 4gb After which, I couldn't boot with my 4 sticks of Gskill Ram. So, if you want optimal system performance and faster data transfer, use the dual-channel RAM slots (2-4). This is the configuration that most buyers would use, and it also results in the best overclocking potential. For example, RAM slots 1 and 3 might be red, and RAM slots 2 and 4 might be black. Jan 10, 2021 · Hello I have recently built a new PC and everything works fine other then the RAM not being in dual channel mode even though they are in slots 2 and 4. This is particularly hurtful for ryzen which needs fast ram. Conclusion. Mar 31, 2022 · Image: RAM slots color coded to indicate a dual channel. you would have two slots which support DDR3 and two slots which support DDR4 instead of having four slots capable of accepting DDR4 memory. Jun 18, 2013 · 1: having 4 sticks of ram in 2 different Dual channel slot, won't improve the performance, if anything hinder it, you can still run all the ram slots in unganged mode and take advantage of the bulk amount of ram, only time 4 sticks or ram work great like that is when the motherboard supports quad channel ram (the board will have 8 ram slots Just use 2 sticks and you'll be mostly fine. Motherboards with more than 4 RAM slots. In most cases, these are slots 2 and 4, but we recommend looking at your motherboard's specification sheet to find the best slots. (sorry if this is mentioned later) Relevant Specs: i7 4770K - OCed to 4. Tested my RAM and all slots, and found out slot 4 on my motherboard died. I have a picture of the motherboard manuals RAM configuration below, now my question is, does it matter if i use dimm slots A1 and B1 first, or dimm slots A2 and B2? (It looks li Dec 18, 2013 · After reading many articles I strongly believe it is a motherboard problem. If you're sure there's an issue with the slot, power down and unplug your computer, then open its case. It depends on the motherboard as to which CPU channels correspond to which RAM DIMM slots, but usually slots 1 and 2 are wired to one CPU RAM channel, and slots 3 and 4 are wired to the other. It might just be the ram stick, and you want that to be the problem. So if you put memory in slots 1/3, the traces from slots 2/4 introduce very minor electrical interference from not being terminated. Jul 24, 2023 · What is the difference between RAM slots 1-3 vs. Jul 28, 2023 · If you have two RAM sticks, you should use the A2 & B2 or 2 & 4 positioning, meaning the slot which is furthest away from the CPU socket and the other that’s one position away from it. so old hardware. One might think, I'll get a two stick kit now so I can upgrade in the future. Aug 5, 2021 · First, make sure the problem is with the RAM slot and not the RAM itself. We would suggest you to use a RAM slot 2-4 instead of 1-3 with the reference to our test between both the RAM Slots. With four sticks, fill all slots. Going to try the BIOS thing you said at the end, but I already tried setting the BIOS to 2133 and then adding the faster ram. For two sticks, use slots 1-3 vs 2-4. Aug 14, 2024 · When using two RAM sticks, it's important to use the two optimized RAM slots by the motherboard manufacturer. Then the same with ram in slot 4. They do not in any configuration using slots 3 or 4. And besides, you'd get higher ram frequencies and possibly tighter timings more often than not on 2 sticks vs. That being said, 2 slots populated will offer the lowest latency. So I installed my RAM in slots 1 & 3. I spent hours not being able to use slot 3 and 4, but I was putting both in at the same time. Feb 25, 2020 · Check this first! It seems there are problems when trying to use B channel memory slots. Apr 18, 2020 · No it's not. If you're only inserting one module, it can go in any slot. You need 1 in each channel, and most motherboards don't like a slots 2+3 config and generally recommend using slots 1+3 or 2+4. Remove the CPU and check very carefully the CPU and its socket. Use 2 and 4 for maximum stability. Thanks for Apr 14, 2020 · To run in dual channel mode, the 2 sticks of RAM need to be either in B2 (slot 2) and A2 (slot 4), or B1 (slot 1) and A1 (slot 3), slot 1 being the slot closest to your CPU. Clean the RAM module and make sure it's free of dust, as This generally means placing one stick of RAM in slot two (A2) and the second stick in slot four (B2). Also check that there is no debris, dust, dirt etc on or among the pins and pads. The bandwidth is better than a single stick of RAM, but it is still quite limited in comparison to 4 sticks of RAM. This means the new RAM comsume more power and the motherboard with CPU cooler connected on CPU have a drawback. Test your ram one stick at a time in each slot. The results were quite Feb 26, 2020 · When I install my RAM in slots 1 and 3, the computer won't POST. Oct 22, 2019 · The four memory sockets are divided into two channels and each channel has two memory sockets as following: Channel A: DDR4_2, DDR4_4 Channel B: DDR4_1, DDR4_3 Ram sequence written on the mobo is (left to right) ddr4_4 ddr4_2 ddr4_3 ddr4_1. Then put ram in slot 2 (leaving 1 in), boot, shutdown. However, according to the hardware specifications for my laptop, there are only 2 x SODIMM slots available for use. Jun 4, 2023 · Main system: i9-7980XE, Asus X299 TUF mark 2, Noctua D15, Corsair Vengeance Pro 3200 3x 16GB 2R, RTX 3070, NZXT E850, GameMax Abyss, Samsung 980 Pro 2TB, Acer Predator XB241YU 24" 1440p 144Hz G-Sync + HP LP2475w 24" 1200p 60Hz wide gamut Jul 16, 2020 · using all 4 slots also usually limits the speed the ram can be. Having 4 slots populated will be fine for you if you are too lazy to sell old ram or not in a position to buy 2x16 gb. When to Use Slots 1-3 or 2-4? The choice between slots 1-3 or 2-4 primarily depends on your motherboard’s layout A and B refers to channels, the memory controller has 2 channels. It’s important to note that some motherboards may deviate from this configuration, so it’s always wise to refer to the motherboard’s manual for specific instructions. Apr 10, 2022 · That’s because motherboards may suggest installing RAM in a different order, such as Slot 2 > Slot 4 > Slot 1 > Slot 3. Motherboards with more than four RAM slots are usually high-end models designed for gaming or professional use. every Oct 29, 2021 · QLED indicator got stuck at yellow DRAM LED after I removed them to install an AIO. Dec 28, 2021 · After which, I couldn't boot with my 4 sticks of Gskill Ram. So, rather than fitting one 8GB and one 4GB RAM stick, mirror the 8GB RAM you have with an identical 8GB RAM stick -or at least any 8GB RAM stick Sep 28, 2021 · Funny, I legit had this problem 2 weeks ago. After alot of googling, apparently XMP only works on slots 2 and 4 and not slots 1 and 3 for most motherboards. Move the left RAM one slot to the right. Clean the RAM slot, paying attention to accumulated dust. My PC seems to be running fine, but it's been bugging me for the last few hours. Oct 12, 2016 · The main reason lies in the way the memory slots are connected to the memory controller, which is inside the CPU. Will installing my Nov 22, 2023 · For dual-channel memory configurations, it’s crucial to install the RAM modules in the correct slots to maximize performance. If you put the ram in 1 and 3 the signal can go through to the 2 and 4 slots and bounce back causing issues with signal integrity. It's easier for the memory controller. Only use 4 sticks if you are sure your board can handle 4 sticks since not all boards with 4 dimm slots can stably run 4 sticks all at the same time at a specified speed. May 3, 2022 · Slot 2 and 4 (old kit) work fine Slot 1 and 3 (old kit) work fine Slot 2 and 4 (new kit) work fine Slot 1 and 3 (new kit) work fine Installing a lone single stick (old and new) on any slot worked Mixing 2 sticks (old and new) sometimes work sometimes didn't Likewise, filling Slot 1 and 2 or 3 and 4, or other random combinations was a crapshoot. I conducted a series of tests to compare the performance of RAM slots 1-3 vs 2-4. With 4 slots you can have 64GB RAM, but the Ryzen will only support RAM at DDR4-2133MHz in that configuration (might be 2400 on the Ryzen 2's). So the first explanation is about: 1) RAM slot layout All regular mainboards and desktop CPU models have a dual-channel memory system. Just letting you all know. This will give you capacity and maximise your megtransfer rates from storage to CPU. Make sure there are no damaged or bent pins. Most motherboards have either Oct 8, 2024 · Slots 2-4 Configuration. Nov 19, 2022 · To my understanding, using 2 slots or 4 slots is dual channel. 2 sticks of RAM do not offer any performance improvement like four sticks of RAM. C1 and A1 are slot 3 and 6. using 2 sticks is just better all around. Feb 17, 2020 · The PC will boot and work fine when i have two of the sticks in 1 and 3 or 2 and 4 however if i have 2 next to each other - 1 and 2 , 2 and 3 etc it will only use one stick. Slots 2 & 4 are suggested in build guides etc because they're further away from the CPU socket so tall ram is less likely to cause clearance issues with aftermarket coolers. The 10700K can easily take 64GB (2x32GB is cheaper) DDR4 at 3200mhz, place one stick into slot 2 (To utilise channel 1) and one stick into slot 4 (To utilise channel 2). T-topology has the traces split between slots 1+3 and 2+4 in equal length. If your sticks are in slots 3 and 4, my guess is they're not running in dual channel mode. Sep 17, 2024 · Here are the Cons of 2 Sticks of RAM. Aug 12, 2021 · And it boots for slot 2 and 4 but not 1 and 3. Post relevant photos of build/parts here. 6Mhz (only recently, After problem) HD7970 Graphics Nov 19, 2023 · Insert the RAM module into the slot at a 45-degree angle. Granted, the sticks (F4-2800C16D-8GRR, CL16-16-16-36, 1. Do note that if the system isn’t recognizing all the RAM sticks, you will need to re-check the sweating. The only difference will be if you populate all 4 slots. Nov 25, 2022 · What if i have 4×16 ddr4 and i have 4 slots free and i want to add 2 memory , 2×32 ddr4. It just beeps 3 times and the EZ debug light for RAM turns red upon booting up. Don't worry, though. It all depends on your motherboard. You put the sticks in slots 2+4 so that the signals don't go past slots 1+3 and then bounce off the unterminated traces in slots 2+4. 2-4? Both 1-3 and 2-4 are slot pairs that offer dual-channel functionality. Basically when I have RAM installed in 2 of the slots it just enters a reboot loop before BIOS. Feb 6, 2020 · Depending on the processor and the motherboard, fast ram with 4 channels may not be possible. On the motherboard above, for instance, you would occupy slots 1 and 3 for dual-channel and then slots 2 and 4 for two sets of dual-channel memory. I'm looking to upgrade my RAM. Aug 13, 2023 · Meaning, even if only two of the four RAM slots on your motherboard are operable, you should be fine. When I install my RAM in slots 2 and 4, it starts, and works fine. However, going up to 2x16 gives you the opportunity to get faster ram, such as the link below. May 20, 2023 · For example, if you require a total capacity of 32GB, the best way is to pair two RAM sticks (2x16GB). Clean all slots with IPA Cleaner or some sort of air blower or if not available then using a soft brush but very gently. The side 4. Also males them easier to remove should you have a problem. You can also find manufacturer-suggested RAM specs, too! Oct 12, 2016 · On a mainboard with a daisy-chain RAM slot layout, this optimization is done with only two modules in mind, which are in slot 2 and 4 (on the board, those slots are called A2 and B2). This allows a RAM module of varying speeds and capacities to be accommodated. llbs kclermo iatyj gyal kedb vnwdy avdqnu lfox nlyc kunncg
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