- Spotted Witney Official. 2. I have t3600 and it doesn't have code like a1 and a2 on it slots it written like this dimm1 dimm2 dimm3 dimm4 so to get dual channel speed should I install ram in dimm1 and dimm2 or I can install them anywhere to get dual channel speed here is the image of this. So, my question isL: How do I populate the slots by matched pairs (by speed). 2023 à 14:21. Save Share. Devenez membre en quelques clics. DIMM3 (Channel A) DIMM3 black Memory Module DIMM2 (Channel B) DIMM2 white Memory Module DIMM1 (Channel B) DIMM1 black Memory Module . Bonjour, je fait une programme en php en MVC, mon problème c'est : si j'ai écris include 'Controller/authentification. Good afternoon (local time 13:53 PM. Bonjour, J'ai installé Ubuntu tout marche bien puis j'ai tapé une commande où il y avais pleins de trucs je cliqué sur Ok et tt. I did a quick google search and it was ram. I believe the SK Hynix 8GB was the memory that came originally with the system from Dell, since my system also had SK Hynix memory. c. in my mobo, it's the gray dimm slot ones. Page 8 One DIMM Module ----Plug in DIMM1 Two DIMM Modules---Plug in DIMM1 and DIMM2 for Dual channel function For Dual channel Limited! Dual channel function only supports when 2 DIMM Modules plug in either both DIMM1 & DIMM2 DIMM1 & DIMM2 must be the same type, same size, and same frequency for dual channel function. Devenez membre en quelques clics. soulbledar - 9 janv. hi I just bought an Acer Aspire E1 for my husband and when I boot it up it says Warning!!! Your DIMM1 and DIMM2's ModuleOrganization is not same, please check it. Jump to content. j ai du acheté une autre carte son "EMU 0404 PCI". 2023 à 14:21. #1. Réponse 1 / 5. and Memory in DIMM1 and DIMM3 and DIMM4 no good. FAQ & Answers. 4 réponses. Warning your dimm1 and dimm2 module organization is not same please check it - Forum PC portable; Warning battery is low - Forum Matériel & Système; Warning: undefined array key - Forum PHP; Pcl xl warning illegalmediasize - Forum ImprimanteA pair of matched memory modules installed in connectors DIMM1 and DIMM2; or. The DIMMs do not support ECC. /assets/cache/docid_59. The DIMM population rules for the Sun Blade X6270 M2 Server Module are as follows: 1. been using matched memory: All for chips are pc4200 533hrz. Repair guides and support for the laptop line of Acer's Aspire series for casual home and business use. dual-channel mode because the 1x16GB is not paired with another memory module. 3 réponses. Your dimm1 and dimm2 module organization is not same - Forum Ordinateur portable; Problème de message warning!!! your dimm1 and. I did not try to install any new additional RAM, I did not change anything. I have a total of 4 of those sticks, and the 4th one was not installed. Devenez membre en quelques clics. DIMM1 is connected to the Intel Agilex® 7 I/O96 of banks 2C and 2D. For example, adding three of same kind of DIMMs, one per memory channel, and ensuring that both CPUs have the same size of DIMMs. please help. 2015 à 19:26 K2 - 5 sept. DIMM1 and DIMM2 have white colored memory locking tabs and DIMM3 and DIMM4 have black tabs. That has nothing to do with where you should put your sticks on your mobo, there is a difference between a DIMM and a DIMM slot. Hi, I purchased a 32G memory module update for my Dell 7920 workstation has 2x16G RAM inserted in DIMM1 and DIMM2 slots. I bought a used DELL T5500 server. 2015 à 19:26 Corentin - 14 sept. 1: Ok, I have created a USB to boot from. A voir également: Optiextension. DIMM Slots 4 and 2 not working. . Rejoignez la communauté et devenez membre en quelques clics. Connectez-vous simplement avec ceux qui partagent vos intérêts Suivez vos discussions facilement et obtenez plus de réponsesWarning your dimm1 and dimm2 module organization is not same. These memory modules are mounted on a printed circuit board and designed for use in personal computers, workstations, printers, and servers. Yes, DIMM2 and DIMM4 are the correct dual channel slots. Do not populate any DIMM socket next to an empty CPU socket. 2023 à 14:21. DIMM3 and DIMM4 are left empty. 144 Rapport fait à 20:57:47,30, 24/02/2007 Executé à partir de C:Documents and Settingscoutch. 1. The DIMM module type (buffer) is mismatched. I have ram in slots 1 and 2, but literally anything in 3 or. 2 card is a riser designed to decongest the crowded motherboard that has no room for M. Ensuite Php te dit que le paramètre 1 doit être une resource (ce qui aurait été le cas. 06 CPU the other has a Celeron D 2. Eventually the whole channel be disabled. Page 60 Disconnect the SATA HDD cable and HDD power-cable from the rear of HDD and MB Remove the HDD cage Disconnect the eight screws fixed in HDD cage side. Your DIMM1 and DIMM2's Module Organization is not same. Right click the executable file (the icon you click on to play the game), click "Run as" -> Adminstrator. Tried to install them last night and got nowhere. Reboot the server and monitor the status of the DIMMs using OpenManage Server Administrator (OMSA). I also upgraded the BIOS to A16. I did not try to install any new additional RAM, I did not change anything. Share. Se minha resposta foi útil, deixe um Curtir, marque como Solucionado e clique em Promover! r/techsupport • I purchased a HDD to use as a secondary drive for storage, and I transferred my OneDrive folder to it. 2. The sets of DIMMs must be identical with respect to capacity, rank, and organization (x4 or x8). Acontece que quando eu instalei ela no segundo slot do notebook ele simplesmente não liga! Testei ligar com outras memórias no. Rejoignez la communauté et devenez membre en quelques clics. Organization. 2021 à 20:49. The DIMMs do not support ECC. If the RAM module is not working, take back the RAM and replace it with a new one from the same manufacturer. Warning your dimm1 and dimm2 module organization is not same please check it; Warning battery is low; Warning: undefined array key; Pcl xl warning illegalmediasize; Qui sommes-nous ? L'équipe;Hello. . Forums SearchWarning your dimm1 and dimm2 module organization is not same. Restarting caused a double beep and a startup blinking code indicating faulty memory. 4 réponses. Learn More . لپ تاپ در هنگام روشن شدن با پیغام زیر رو به رو می شمwarning your dimm1 and dimm2 module organization is not same please chek it. Although it is functioning correctly, the status icon indicating whether the files are stored in the cloud or downloaded to the computer is not displayed. Related Pages. Put the second RAM in Dimm 2, then do as step 1, and so on with all the left RAMs, you should put the RAMs in the right order (Dimm1, Dimm2, Dimm3,. DIMM stands for Dual In-line Memory Module, and these slots are found on your motherboard. You'll need to reboot your computer to perform the test. . 2021 à 20:49. baissaoui - 23 juin 2022 à 15:21 baissaoui - 23 juin 2022 à 15:21. " Meaning that my 4 GB RDIMMS should be in DIMM1/DIMM2. soulbledar - 9 janv. Mesterségesen tartotta magasan a processzorok árait az AMD; Munkahelyen és játékbarlangban is megállja a helyét a Sharkoon házasalut à tous , Voila ce qui s'affiche sur mon écran ,à la maniere d'une fenêtre Windows. The MCT stopped due to errors in the DIMM. PXE-E61: Media Test failure check Cable. The XPS 8930 has four DIMM slots. . no era así por que la probé en otro notebook y funciono correctamente. press the power button on the laptop 15 times then hold it down for 30 seconds. Acer Laptop Your DIMM1 And DIMM2's Module Organization Ist Not Same [English Subtitles] | Memoria Ram Dimm2 | skt. (2 and 4) I have tried a single stick of ram in each 2 & 4, only black. $_GET['nompage. Safe mode starts Windows in a basic state, using a limited set of files and drivers, and allows you to perform troubleshooting steps. A. 4 réponses. Page 2 of 2 - Your DIMM1 and DIMM2's Module Organization is not same - posted in Windows 8 and Windows 8. 19-06-2022 14:00 PM. Dell should have recommended purchasing another 2x8GB because the memory configuration matrix in the Service Manual (Table 2, page 53) does not show the 1x16GB configuration. ninen2001 said: I guess I'll just use the RAM single channel. 0 réponse. 012 Contact Acer support for. lo cual realice el cambio de socket la original en el socket 2 y la nueva en el uno. It probably doesn't make any significant difference but I've always used slots 2 and 4. 2015 à 08:16. The computer only has 4 slots which are 2 blue and 2 black. Since you already moved the DIMMs around and always got the same error we can assume that it is not the DIMM itself. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc. Can any kind person recommend someone to me who could sort out this message that appears on a laptop someone has just given me: WARNING!!! YourDIMM1 and. Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Devenez membre en quelques clics. This gives supported DIMM sizes of 256 MB, 512 MB, 1 GB, 2 GB, 4 GB and 8GB. 4 réponses. Uninstalled Mystic Light then MSI Center. Inside the cover of the system chassis, there is an illustration showing positions of individual DIMMs. 5 réponses. If I put RAM in all four DIMMs, the machine powers on, and the power light stays steady lit but does not BOOT. Email or phone: Password:. D. . The Intel Agilex® 7 FPGA (two F-tiles) development board provides two DDR4 x72 DIMM interfaces connected to the FPGA fabric. Devenez membre en quelques clics. In image they are the two slots on the left with ram installed. Restarting caused a double beep and a startup blinking code indicating faulty memory. Please if you have any suggestions let me know. i have MSI Z170A XPower Gaming Titanium Edition ,i'm currently reading it's digital manual (i still haven't install it yet because i still need get the rest of the PC parts) so at the DIMM slots section, msi recommends a certain installation in a certain arrangement shown in the picture below why. اما اگر با راهکار بالا مشکل شما حل نشد و یا هر سوالی داشتید میتونید با یک ثبت نام رایگان در سایت. Sms étranges ". Balatekie ACE Posts: 1,353 Pioneer. but frankly difficult to say, if we do not have the details of the motherboard. A. The motherboard came from a 790. 2 port. but you bother for nothing, just take the test, you get one out, you try if everything is fine ok then test the other. 4 réponses. In image they are the two slots on the left with ram installed. Je n'ai pas de solution. 4 réponses. I did not test new module in dimm1 and dimm2 slots as it would be too much. FAQ & Answers. 2023 à 14:21. That leaves the memory controller and the physical path. A memory module installed in connector DIMM1; or. . Speed and CAS latency don't necessarily need to match, but the slowest speed DIMM and highest CAS latency will set the operating mode of the system. Voici l'erreur qui apparait : Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in. Mar 22, 2016. As a guest, you can browse. Quand je mets une autre barrette dans le ACER ASPIRE c'est toujours le même. 11,715. 2020 à 20:26Acer e5 series DIMM1 AND DIMM2 MODULE ISSUE WARNING. 6. Devenez membre en quelques clics. A pair of matched memory modules installed in connectors DIMM1 and DIMM2 (where DIMM1 is the slot closer to the processor, DIMM2 is the black one next to DIMM1 and so on ). It alleviated somewhat with recent AGESA updates but it's still a complete crapshoot. When I remove RAM from DIMM1 and DIMM2, the system reports DIMM1 & DIMM2 empty (which is correct) but now, DIMM3 and DIMM4 are. Reinsert the battery, reconnect the charger and turn on the laptop and check. 0 J'essaye de faire un Mini-Chat sur mon site mais il ne marche pas. SODIMMs started out with 144 pins, but now have a 262-pin configuration in a. 5-3-3-8. Réponse 1 / 2. DIMM2 is not usable, just after PCIe mounted. The note says use slots DIMM1 and DIMM3 if you need to use two memory module just as the Table shows, but look at the System-board components picture on page 17. 2023 à 14:21. In the figure, DIMM1 and DIMM3 are on channel A, whereas DIMM2 and DIMM4 are on channel B. Page 60 Disconnect the SATA HDD cable and HDD power-cable from the rear of HDD and MB Remove the HDD cage Disconnect the eight screws fixed in HDD cage side. When I use Mystic Light, it only shows one set of ram (DIMM1). gouby Messages postés 45458 Date d'inscription vendredi 11 janvier 2008 Statut Contributeur Dernière intervention 10 mai 2016 6 477 5 mars 2008 à 10:19. 00407. all 4 slots are full). It is listed as compatible hardware for 7920 here. Bonjour, Configuration: Windows 7 / Firefox 25. This enables a single DIMM to transfer. Full repairs starting at $19. Best guess is that some kind of damage has been done to the CPU socket, or the CPU has developed a fault. Virus Altruistic. (DIMM3 is. (2 and 4) I have tried a single stick of ram in each 2 & 4, only black. Sep 13, 2010 at 23:17. dnz967 Messages postés 33 Date d'inscription lundi 10 août 2009 Statut Membre Dernière intervention 7. The DIMM generation (I or II) is mismatched. Check the bios setting about memory timing and make sure that it is on For example : DIMM1 and DIMM2 do not have the same timing. 2023 à 14:21. DIMM1, DIMM2, DIMM3, DIMM4 4 is a slot on the motherboard according to the figure, it is assumed DIMM3 / DIMM1. But there. Acer Aspire troubleshooting, repair, and service manuals. If the DDR memory modules are not installed in matched pairs, the computer will continue to operate, but with a slight reduction in performance. Skill modules in DIMM1 and 2 and the Ankowall modules in DIMM3 and 4. Rejoignez la communauté et devenez membre en quelques clics. soulbledar - 9 janv. lorsque je saisie le code $resultat = mysql_query("select * from mespages where nompage like '". press the power button on the laptop 15 times then hold it down for 30 seconds. 4 réponses. SR: attempted to use Arcturus but got into cable wrap. hi I just bought an Acer Aspire E1 for my husband and when I boot it up it says Warning!!! Your DIMM1 and DIMM2's ModuleOrganization is not same, please check it. Our new cooling solutions for motherboards are causing us issues where some boards that have RAM with raised heatsinks will not actually fit because the DIMM1 slot is partially blocked. 0 امتیاز مثبت امتیاز منفی. 5-3-3-8. Matching memory modules should have matching colored tabs. Devenez membre en quelques clics. 2015 à 19:26 Corentin - 14 sept. ali6211 4 سال قبل. . You can also press Windows Key+R, type "mdsched. ”. A SODIMM (Small Outline Dual In-line Memory Module) is a memory module with a smaller outline and thickness than standard DIMM modules and designed primarily for notebook computers. 2015 à 19:26 Corentin - 14 sept. System Fan (90B) MaryMoumou - 10 avril 2011 à 13:48Warning your dimm1 and dimm2 module organization is not same. I am currently upgrading its RAM from 2x8GB to 2x16GB. ericdjess - 23 févr. so now out of the four dimms dimm1 and 2 are the only ones occupied. 2021 à 20:49. But Memory in DIMM1 and DIMM2 and DIMM3 no good. Everywhere; This Forum; This Topic; Topics;Bonjour, Configuration: Windows 7 / Firefox 25. DIMM1 and DIMM2 have white colored memory locking tabs and DIMM3 and DIMM4 have black tabs. 2015 à 19:26 K2 - 5 sept. See also for the same models Service Manual 2. 9 Answers . 3 réponses. I try to find out how to activate the rest 2 slots (3 and 4), but I could not manage. The Route 1 service from Nelson to Richmond will once again terminate at Berryfield Drive Central Park, with all passengers are required to disembark at this stop. And it was because of this that I replaced the motherboard. The motherboard came from a 790. I also noticed, none of the RAM works in DIMM2 or DIMM4. 1. If the student chose answer ( 1 ) to question 8 , install the 1 GB module in the DIMM0 _ Chan B slot . I also have 3 other sticks that are of 1GB each (specs are also in the previous messages) and I did a separate test with just those installed in exactly the same way - in DIMM1, DIMM2 and DIMM3. لپ تاپ در هنگام روشن شدن با پیغام زیر رو به رو می شمwarning your dimm1 and dimm2 module organization is not same please chek it. These are almost half the size of DIMM modules, which are 67. Connectez-vous simplement avec ceux qui partagent vos intérêts Suivez vos discussions facilement et obtenez plus de réponsesBonjour à tous, Je viens ici ccar je deviens fou à m'arrachher les cheveux; Je ne comprends pas absolument pas où est mon erreur php dans mon code avec cette erreur : Warning: mysql_fetch_array() expects parameter 1 to be resource, null given Voici mon code d'une page où le sélectionne une ville pour afficher dans une autres pages les. ). I have not tried clearing CMOS. If a DIMM1 or DIMM2 in one channel has a UE, the failed DIMM will be mapped out, but the other DIMM is not impacted. The only completely stable configuration (giving no memtest errors or game crashes) is the old RAM alone in either DIMM socket. DIMM3 channel Ch-B and may be referred to as DIMM1 Ch0 0 / Ch0 1; DIMM4 DIMM2. Warning your dimm1 and dimm2 module organization is not same. Moteur de recherche Rechercher. They’re designed to hold your RAM sticks securely in place. Hi, I purchased a 32G memory module update for my Dell 7920 workstation has 2x16G RAM inserted in DIMM1 and DIMM2 slots. Before you enter safe mode, you need to enter the Windows Recovery Environment (WinRE). The DIMM module type (buffer) is mismatched. So you can have 2 and 4 and 6 and 8 modules all same. 1. I took out the old 512mb ram and put the two new modules in Dimm1 and dimm2, just like the manual says to do. As the documentation says I've populated DIMM1 DIMM2 and DIMM3 but every time when I boot I see the message:. It has to be the same Mhz which will be compatible to run. 2015 à 19:26 Corentin - 14 sept. Check the bios setting about memory timing and make sure that it is on For example : DIMM1 and DIMM2 do not have the same timing. 9 Answers . Bonjour, J'ai installé Ubuntu tout marche bien puis j'ai tapé une commande où il y avais pleins de trucs je cliqué sur Ok et tt. DIMM1: Corsair CMX512-3200C2 512 MB PC3200 DDR SDRAM (2. Whenever I put anything at all in either DIMM slots 3 or 4, the computer will not even post. 2021 à 20:49. The DIMM. Therefore it sounds like I should have my current 1 GB DDR2 5300 240-pin sticks in DIMM1 and DIMM2 and the new 2 GB 6700 240-pin sticks in DIMM3 and DIMM4. Je n'ai qu"une barrette de 4Go DDR3. 2nd gen Ryzen largely doesn't care up until around 3000mhz. Ele suporta até no máximo 20Gb de RAM (sendo 4Gb integrados mais 16Gb no slot disponível) SO-DIMM DDR4 2400Mhz. 2023 à 14:21. 2015 à 19:26 Corentin - 14 sept. Technically, using two 4GB modules the machine will not boot with more than 8GB installed. Test 2 DIMM1: New RAM 1 DIMM2: Empty Results: No errors in memtest. The moment I change DIMM1 rgb, DIMM2 goes dark. dnz967 Messages postés 33 Date d'inscription lundi 10 août 2009 Statut Membre Dernière intervention 7. Unfortunately, when I inserted the memory, it wasn't not recognized and the preboot power code showed a. soulbledar - 9 janv. For the mini tower, desktop, and small form factor computers, a pair of matched memory modules installed in connectors DIMM1 and DIMM2 and another matched pair installed in connectors DIMM3 and DIMM4• Use the same CAS latency and obtain from the same vendor , if possible . It is a pity, that Dell experts cannot say where problem is. See diagram belowWarning your dimm1 and dimm2 module organization is not same please check it - Forum Ordinateur portable; Warning battery is low - Forum Matériel informatique; Warning: undefined array key - Forum PHP; Pcl xl warning illegalmediasize - Forum ImprimanteDIMM 2 slot is burnt can i still use dual channel at full performance at DIMM 1-3. I have exactly the same problem with Intel SSD DC P3500. Okay thanks, thats better for cpu cooler ram clearance then. Dual Channel Mode or Single channel after new ram stick?. 0 réponse. Don't use the same password for everything Similarly, using the same password for multiple applications can also create vulnerabilities. Acer Aspire E5. My motherboard has 4 DIMM slots, 2 black and 2 white, labelled as DIMM 1 to DIMM 4 but to the sides of the DIMM slots are numbers 1 to 4 which do not go sequentially. Api Openload problème "this is not your folder" Fermé. The MB has 2 memory slots, DIMM1 and DIMM2. Batteries (10). @D. So counting from CPU: DIMM3>DIMM1>DIMM4>DIMM2. Would it be safe enough to buy an identical "pair" for the existing 4GB Kingston module (as much as it's possible), plus a 2x4GB kit of the same type of RAM and pair them all correctly? Or should I sell all I've got, then buy 2 kits. Connectez-vous simplement avec ceux qui partagent vos intérêts Suivez vos discussions facilement et obtenez plus de réponsesWarning your dimm1 and dimm2 module organization is not same please check it - Forum Ordinateur portable; Warning battery is low - Forum Matériel informatique; Warning: undefined array key - Forum PHP; Pcl xl warning illegalmediasize -. is your instagram code" Anon_4067 - 17 mars 2020 à 10:27 lablg23 - 30 avril 2021 à 13:39. Warning your dimm1 and dimm2 module organization is not same please check it. Utilisateur anonyme 3 juin 2009 à 22:44. 1. Only one raiser card with 2 DIMMs (in DIMM1 and DIMM2) is plugged in. Most motherboards have multiple DIMM slots, usually in pairs, labeled as DIMM1, DIMM2, DIMM3, and so on. If DIMM1 and DIMM2 worked before the cooler swaps, I doubt an errant standoff is involved. Testing with known good RAM from DIMM2 and DIMM4 (M378A1G43DB0 CPB and M378A1K43BB1 CPB) in DIMM1 and DIMM3 results in 2 amber short pause and 7 amber then repeats 2/7 etc. 0 امتیاز مثبت امتیاز منفی. Answers. The only size modules I have available at the moment are 4GB and 8GB. Optiplex 7040SFF DIMM1 and DIMM3 memory failure. I listed the slots as numbered by the MB, DIMM1 and 2 being white, 3 and 4 black. SIMMs are always used in matched-pairs. . Warning your dimm1 and dimm2 module organization is not same. 1 check mark for one DIMM (dual in-line memory module) other wise known as a ram stick, 2 check marks for 2 sticks, and 3 check marks for 4 sticks. if 1 module is different from the other memory module the computer will not start or post. soulbledar - 9 janv. Bank Locator: NODE 1 - can be a bank or a cluster of banks (like dual channel) A node can have more bandwidth than a single RAM module on a bank. A DIMM ( / dɪm /) (Dual In-line Memory Module ), commonly called a RAM stick, comprises a series of dynamic random-access memory integrated circuits. The recommended memory configurations are: A pair of matched memory modules installed in connectors DIMM1 and DIMM2 or A memory module installed in connector DIMM1 orin DIMM2 slot - 8GB DDR4 ECC - RAM has the same parameters but different size. I have never come across a burnt out memory module. I decided to make the RAM up to 4 GB so I removed both 512 MB modules and the faulty 1 GB module with a view to having four 1 GB modules. • 1 DIMM: Supports one (1) module inserted. session-start]: Cannot send session cookie - headers already sent by (output started at. FIGURE 6. The battery type it has is a slide out. Bonjour, Sur mon bureau une croix rouge vien d'apparaitre avec le message 'you computer is infected' Quelqu'un peut'il m'aider en m'indiquant la marche a suivre svp Merci. My Dell optiplex 790 DT's dimm3 and dimm1 ram slots died 2 weeks ago. Place the. 8 Ghz. You'll need to reboot your computer to perform the test. 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. DIMM Slots 4 and 2 not working. Acer is not helping at all because the warranty is up. I fitted the four modules and then found that the computer would not boot so I removed the modules from slots 3 and 4 and the computer. Ensuite Php te dit que le paramètre 1 doit être une resource (ce qui aurait été le cas. If DIMM1 and DIMM2 worked before the cooler swaps, I doubt an errant standoff is involved. So, the proper order is DIMM3, then DIMM1, then DIMM2 and DIMM4. So, my question isL: How do I populate the slots by matched pairs (by speed). Bonjour, suite a un message du type your computer is infected voici le rapport. when I had dual channel on the 7700t. Bonjour à tous ^^ A chaque fois qui je joue à un jeu (le plus souvent CZ, mais aussi sur battlefield 2 et d'autres jeux comme Ragnarok online), je sui déconnecté du serveur où je suis au bout de 15 minutes; sur condition zéro, apparaît en haut à droite de l'écran warning: connexion problem. One box has P4 3. Reconnect . The orange sockets marked DIMM3 and DIMM4 are the Channel B pair. I have two "matched" 512 MB PC2100 DDR sticks. I have tried the few solutions from the Internet. I upgraded it to 12GB of RAM, so that all three riser card DIMMs had 2GB of ECC RAM, and DIMM1, DIMM2, and DIMM3 of the mother board also had 2GB each of identical ECC RAM. i remove the original memory and put 2gb KVR667D2N5/1G in dimm1 and dimm2, same results 5. Bonjour, jai un petit problème avec mysql et php =S je vous explique. My motherboard is an MSI Z170 Gaming M5 paired with an i5 6600K. 2nd gen Ryzen largely doesn't care up until around 3000mhz. DIMM1 is the second physical slot from the CPU and that's where the first RAM module should be installed.