Add to Cart . 换言之，在同一个通道内，我们尽量选择远端的插槽，也就是远端优先原则。. Page 18 Installing a DIMM To remove a DIMM 1‑10 Chapter 1: Product introduction. Rome2Rio makes travelling from B2 1 Dallas Road to British Columbia Parliament Buildings easy. processor: Processor sensor (Status) IERR "CPU2" Uncorrectable ECC error, DIMM_A6For dual-channel memory configuration, install the DIMMs in slots DIMM_B1 and DIMM_A1 (orange slots); install another pair of DIMMs in slots DIMM_B2 and DIMM_A2 (black slots). It works!!!!! Have now tested the two new sticks in all possible DIMM slots on this M/B (there are only 4). And the M. Click [Manual & Document], in [Manual], select the corresponding user manual, and click [Download]. Sockets Channel Channel A DIMM_A1 & DIMM_A2 B150M-PLUS Channel B DIMM_B1 & DIMM_B2 B150M-PLUS 288-pin DDR4. DIMM_C2 failed self test (BIST). Uncorrectable memory errors may also be reported on the affected slot/DIMM. RX 5600 XT: PowerColor Red Dragon AMD Radeon RX 5600 XT 6GB (AXRX 5600XT 6GBD6-3DHR/OC)DO NOT install a DDR, DDR2, DDR3, or DDR4 memory module to the DDR5 slot. On your board, the slots are numbered as DIMM A1, DIMM A2, DIMM B1, DIMM B2. Price is for each stick of RAM - I have 3 available. 080620151546. . Major. You don't want extra length for you signal routes, as they act as tiny antennas. and having two memory modules to use A1 and B1. 35V Desktop Computer Memory UDIMM - Black (F4-3200C16D-32GVK)Both sticks work when plugged into DIMM A2 but when I plug the second into DIMM B2, the computer will fail to POST. I suspect that if the slots on my motherboard were bad then all three sets would have had similar results than being so dis-similar. i removed the dimm_b2 memory stick leaving the dimm_a2 stick and got into bios and checked all was okay, everything was set to default as expected, so leaving one memory stick in dimm_a2 I booted to windows and all was okay. If there are no error-correction bits, this value should be equal to DataWidth. 0 x 4, USB2. A2 and B2, the second and fourth slots over from the CPU socket, are the slots that BY DESIGN must be used for any TWO DIMM configuration on modern dual channel. DIMM_A2, DIMM_B2 + DIMM_A1 and DIMM_A2, DIMM_B2 + DIMM_B1. Since it worked fine before the BIOS update, i would try different older BIOS versions, down to 7B58v17 (where your CPU is. Este formato es importante a la hora de hacer una ampliación de la memoria principal o a la hora de comprar el módulo. I have, RYZEN 2700x. wmnet. Next, install the 3 rd RAM module into slot DIMM_D1 Finally, install the 4 th RAM module into slot DIMM_C1 With all 4 RAM modules in place, you have a total of 4x8GB = 32GB of installed memory. I have already purchased a memory kit that is definitely on the list of. You can try populating 32GB DIMM's on A1,A2,B1 and B2 and remaining slots 16GB DIMM's. Replace DIMM_B2. 00 GB of RAM (4x DDR-4, 16GB, 2133 MHz modules). 5- wait few minutes (screen may be black) 6- turn off PC, unplag power. skill tridents 2x 8gb 850Watt psu from corsair samsung m. If it returns however, I'd ensure your systemrom/BIOS/microcode is current, both the newer Dells and HPEs have some advanced memory interactions. Although different DIMM capacities can exist in the same slot, this will result in less than optimal performance. 内存条SPD可以说是内存条生产技术里最核心的技术之一。. There is plenty of room for the new non-angled connector on the MB. The software reports the populated DIMM slots are the furthest two to the right, DIMM_A1 and DIMM_A2. Replace. com. I logged into IPMI, and found the System Event Log had an entry: Failing DIMM: DIMM location. 1. I would suggest reseating all of the memory. I had read reports that G. Page 20 Installing a DIMM To remove a DIMM 1-10 Chapter 1: Product introduction. 0 | Infrared Sync Technology | Overclocking Stability | KF560C40BBAK2-32. B250MA. [quotemsg=4092976,0,1128]Dual channel slots are color coded. DIMM_B1 and DIMM_B2 Slots - My Computer Won't POST. When change DIMM slots to DIMM B2 and D2 the PC starts and everything looks fine. A DIMM is a small circuit board that contains one or several random access memory ( RAM) chips. . 8522 . . The errors occur on DIMM B1, B2, and…DIMM Slot B2 wont allow XMP profile to post. It is an Riser card for m. 3 Installing Memory Modules (DIMM) 21 2. The PMem module firmware and BIOS releases are available from the system provider"MEMBIST failure – The following DIMM has been disabled by Bios: DIMM B2" I know the memory module is ok, if I try it on another slot, it work just fine. When using one DIMM, install it into slot A2 for better memory compatibility and performance. The result is that I only have single channel enabled. • Refer to for the latest Memory QVL (Qualified Vendors List) Recommended memory configurations DIMM_A1 DIMM_A2* DIMM_A2* DIMM_A2* DIMM_B1 DIMM_B2* DIMM_B2* ASUS PRIME B450M-A. Dual Channel DDR5：4*DIMMs with XMP 3. Major. After that server gives memory and processor errors randomly. 目前大部分的主板为了方便用户插拔，会在内存插槽上用不同的颜色表示不同的通道，相同的颜色. In an attememp to increase total memory, i've 2x addition 16GB DDR3 UDIMM QuadRank. My conclusion is that all the ram work individually but only DIMM_B1 and DIMM_B2 slots work. "Memory PMU Training Error" on Ryzen 3700x system Not recognizing DIMM B1 and B2 "Memory PMU Training Error" on Ryzen 3700x system Not recognizing DIMM B1 and B2. The motherboard does turn on and all the fans are spinning, but the display stays black. DIMM Capacity RDIMM =. While trying to solve the problem, I updated to the latest bios 0703 (issues present since at least 0502), ME firmware, did CPU and RAM re-install countless times. My issue here: I can't use the two RAM sticks in the dual channel mode as it is recommended by the motherboard (slot 2 and 4). DIMM_B2 failed self test (BIST). Click the slider to display the following screen, then select the SLI multi-GPU item. Replace DIMM_B2. The 2 RAM slots on the right B1 and B2 are working fine and I have 2 sticks of RAM plugged into them. Replace DIMM_B1. Login to Download center and input the Motherboard model name in the search bar. and 4. Match the notch of the memory with the notch of the socket, and push the memory vertically downward into the socket. Be careful here, and assure that you've got the correct partitions to delete. Login to Download center and input the Motherboard model name in the search bar. * 如果是3支記憶體，不管怎麼插一定是通道A. DIMM_A2 failed self test (BIST). 2. Click [Manual & Document], in [Manual], select the corresponding user manual, and click [Download]. 1. Running single DIMM would have 2 data channels but at half the bandwidth (32bit vs 64bit), it's not the same as the 2 physical channels running from the cpu to the DIMM slots, you still want 2 slots if possible. 2% lower than the peak scores attained by the group leaders. The only motherboard from the Maximus XI range that differs from this recommendation is the Maximus XI Apex board, which only has 2 DIMMS total. 2. Re: WLC 5520 Standby system status amber light blinking. A2 and B2, the second and fourth slots over from the CPU socket, are the slots that BY DESIGN must be used for any TWO DIMM. DIMM_C1 failed self test (BIST). 1. When the DIMM. 2 Gen 2x2. 0. Replace DIMM_B1. DIMM. Product. 5. (Correctable memory component found) (DIMMC1) There were six similar errors over the last six months in the log, all for slot C1, but this is the first one for which I received an email. For Dual-Channel Mode, Channel 1 MUST equal Channel 2. 2, USB 3. This way you can reseat the DIMM and test the slot with another stick that isn't having issues. Hi, I have an issue when restarting Dell R620 server (2 CPU) At the time of reboot, the server stack when checking the memory (Configuring memory) The server uses mixed memory 8 (single rank) and 16 GB (dual rank) The location of the memory module. So, I believe what I have is a bad DIMM that just decided to die and the memory controller on the CPU is shot, too, since the motherboard seems to be just fine with the memory using the old chip. I want to install a matched set of 2x48GB DDR5 RAM sticks (Corsair or Gskill) for 96GB total DDR5 RAM on a new build Asus Maximus Hero Z790 MB with an Intel-i9 13900K CPU. C. 2. BIOS Information. c. If it all works, you can use gparted to delete the two disk partitions with the UUIDs shown in the commented out lines in /etc/fstab. You are using the wrong slots. DIMM_B2 4GB Installed80Operational . My company use a Dell Poweredge 730 rack server. Page 18 Installing a DIMM To remove a DIMM 1‑10 Chapter 1: Product introduction. 26-06-2022 05:00 AM. Jul 5, 2018. I have reset the CMOS. DIMM B2 Chan A Chan B Chan C CPU Socket 1 DIMM F1 DIMM F2 DIMM D2 DIMM D1 DIMM E2 DIMM E1 Chan F Chan E Chan D CPU Socket 2 5 Remove the Heatsink(s) The heatsink is attached to the server board / processor socket with captive fasteners. This will help identify the problem component, in case something needs replacing. Open the downloaded user manual and search for [Recommended memory configuration] as. Last edited: Apr 8, 2016. 电脑主板无法识别内存条，其实主要原因是主板读取不到内存条SPD。. Check with the vendor to get the correct memory modules. A DDR4 module is notched differently from a DDR, DDR2, or DDR3 module. R710 MEMBIST Failures DIMM B1 and B4. c. 2. Solution1. 1. 3. EZ Debug lights up red on CPU then switches to ram and then back to cpu in an endless loop. A faulty DIMM is a considered a nonfunctional device. DIMM A1 DDR-3 8. 65V 8GB (2x4GB) G. The successor to Pro Gaming motherboards. Ram in either of B slots wont boot. $5 off. 128GB 2 x DIMM, Max. Vendor: Cisco Systems, Inc. 7. SKILL Flare X DDR4 3200 C14 2x8GB averaged just 2. In my case A2-B2 system DOESNT WORK because A1-A2 slots are gone. DIMMs store. Free shipping. Add to Cart . x or later, the first recommended step is to restart (without moving DIMMs to a different slot). 0. This systems is powered by four Intel Xeon processors and DDR4 memory architecture. - If pc start, choose to use bios default values when asked. Major. I've tried to re run memtest on dimm A1 and B1 it wouldn't…The 2 RAM slots on the right B1 and B2 are working fine and I have 2 sticks of RAM plugged into them. - Keep the button on the back panel pressed during at least 20s. 20 Nov 2020. For CPU1 + CPU2 configuraton, install DIMMs from the orange slots and in the order as follows: DIMM_A2 -> DIMM_E2 -> DIMM_C2 -> DIMM_G2. Rome2Rio is a door-to-door travel information and booking engine, helping you get. The PMem module firmware and BIOS releases are available from the system provider "MEMBIST failure – The following DIMM has been disabled by Bios: DIMM B2" I know the memory module is ok, if I try it on another slot, it work just fine. The memory sockets have direct connections to the CPU. Professional Laptop DDR4 SO-DIMM To Desktop DIMM Memory RAM Connector Adapter B2. . According to the smbiosDump in ESXi, it looks like this: # smbiosDump | egrep ' (Number:|Location)' Location: "DIMM_A1" Part Number: "36JSZF51272PZ1G4F1" Location: "DIMM_A2" Part Number: "36JSZF51272PZ1G4F1". Manual just "recommends" to use A2 and B2 for dual-channel, but doesn't comment otherwise. It seemed like DIMM B2 was the cause of boot up issues, so I assume it is also the cause of my original problem, not 100% on this conclusion though. 3=DIMM_B1. Running iCue Software Version : 4. or Best Offer. Firs start - message: "Error: Memory initialization warning detected. 10. If you actually read the manual for the Maximus XI series boards, it clearly states, that when using 2 memory modules they should be installed in DIMM A2 and B2 (for dual channel). • 2 yr. 3K Posts. B1/B2 share the same channel. If the DIMM is confirmed to be faulty then it should be replaced. 1; Windows 7; Windows Vista; Windows Server; macOS 10. If it does not, then there might be an issue with using those slots when the A2 and B2 slots are not also populated. The mainstream choice is using 2 sticks of 8GB, a total of 16G memory. Major. Neither of the RAM sticks work in any of B1 or B2 on. 24cores 64GB RAM 2GB SWP. Out of the box i wasnt able to get into Post at all with any ram configuration and the yellow RAM light would be lit. Traditional-Eye-8783. Replace DIMM_A1. Higher Bandwidth, Faster Speeds. 12 Sierra; macOS 10. 2 rank x 16. For each channel, there are two sockets, DIMM_A1, DIMM_A2 for channel A, and DIMM_B1, and DIMM_B2 for channel B. Form Factor: DIMM Set: None Locator: DIMM_B2 Bank Locator: BANK 3 Type: DDR3 Type Detail: Synchronous Speed: 1333 MHz Manufacturer: Samsung Serial Number: 86C51881 Asset Tag: 9876543210 Part Number: M391B5273DH0-YH9 Rank: 2 Configured Clock Speed: 1333 MHz . Critical Mem ECC Warning: Memory Sensor, transition to critical from less serve (DIMM_B6) was asserted. This is some kind of incompatibility between the Asus Z170 Pro Gaming mobo and Crucial / Corsair memory. boot if only one DIMM is installed in DIMM slot A2, or B2. e. RAM sticks have been placed in primary slots (DIMM_A2* & DIMM_B2*). The pc boot fine with the ram installed at dimm_ A1 . 規格. Generally speaking any two DIMM slots will function, but since most motherboards nowadays use daisy chain design for memory slots and dual channel, the best performance is probably going to be in slots 2 and 4, aka A2 and B2. ipmctl show -dimm command displays the PMem modules discovered in the system and verifies that software can communicate with them. B2 DDR3 DIMM 4096MB M393B5273DH0-YH9 (SAMSUNG PC3L-10600R 1333MHz RDIMM ECC 2RX8 CL9) DIMM. B. 2 slot allows the machine to boot and be fully operational. DIMM_D1. Check with the vendor to get the correct memory modules. Is this likely to matter? Manual just "recommends" to use A2 and B2 for dual-channel, but doesn't comment otherwise. its only dimm 3 and 4 which are not working anymore. 3 minutos de lectura aproximada. Jul 2004. DIMM_A2 DIMM_B1 DIMM_B2 DIMM_A1 DIMM_A2 OR Step 1 Step 2 Step 7 Step 4 Step 5 Step 7 Step 6 Step 3 Quick Start Guide Кратко упътване за бърз старт Stručná příručka Quick Start-vejledning Snelstartgids Lühijuhend Guide de démarrage rapide Pikakäynnistysopas Schnellstarthilfe Οδηγός γρήγορης. Actions5004-5007h: 0 0 60 0 5008-500Bh: 4 0 61 3 Interpretation: ----- Channel 0: DIMM A&B swapped: 0 DIMM A Size: 0 MB DIMM B Size: 0 MB DIMM A dual rank: 0 DIMM B dual rank: 0 DIMM A DDR width: 8 DIMM B DDR width: 8 Rank Interleave: 1 Enh. PE R710 DIMM population. Recommended memory configurations DIMM_A1 DIMM_A2 DIMM_A2 DIMM_A2 DIMM_B1 DIMM_B2 DIMM_B2 ROG STRIX B760-A GAMING WIFI. . But then, when I turned on to install the OS, it didn't boot again, same problem. Excellent average bench The G. Rev 1. These two "faulty" slots do work with the 1600 perfecty fine in dual channel in all slots, even at 3400 Mhz. x or higher for 13G) and (2. Cancel Post. It connects to the computer motherboard via pins. 8523 . Ram (2x8GB Corsair LPX) worked fine in dual channel with R5 1600X, but with the new R5 3600, my two sticks only work in slot A1 and A2, either one at a time or both. 2. It could be an issue with the RAM itself, although less likely. The memory module has only one notch on the center and will only fit in the right orientation. Windows 11; Windows 10; Windows 8; Windows 8. While trying to solve the problem, I updated to the latest bios 0703 (issues present since at least 0502), ME firmware, did CPU and RAM re-install countless times. A1/A2 share the same channel. RobH created this task. However, the system might not give maximum performance on dual channel mode if there is a mismatch in capacity or frequency. Jul 2004. BIOS setup program. Mainboard: Asus Tuf gaming B550-Plus (Wi-fi) Cpu: Amd Ryzen 5 3600 Ram: Trident Z RGB 3200MHz 2x 8Gb GPU: Asus Gtx 980. The front panel was a snap to remove and install as well. This puts 8GB on each channel and the single DIMM on the farthest slot from the CPU. - Keep the button on the back panel pressed during at least 20s. If you have four RAM sticks, all four available slots on the motherboard can be used for insertion. iDRAC Tools installer is same for set of OS for a set of platform. Socket. So my B2 ram slot fix worked for a while, but now the computer is no good. The manual I'm looking at lists the DIMM socket labeling as DIMM_A1 (black, closest to CPU), DIMM_A2 (gold), DIMM_B1 (black), DIMM_B2 (gold, farthest from the CPU). . RAM sticks placed in slots B1 and B2 do not post to the bios (but still get RGB) but A1 and A2 does appear in bios. g. . Recommended memory configurations DIMM_A1 DIMM_A2 DIMM_A2 DIMM_A2 DIMM_B1 DIMM_B2 DIMM_B2 PRIME Z790-A WIFI. c. 0. 1. 请问在log中能看到 Memory 容量和频率. Details. 2ssd 970 evo 500gb MSI RTX 2060 super 6gb GPU ( i have moree ssds and hdds to go with but added later ) also im running the Wrath cooler from AMD atm for. With up to 1600 MHZ FSB, 128GB (1. You can also use the coloring scheme of the DIMM slots: Notice A1 and B1 are the same color? By installing the RAMs there you will enable the dual-channel. Edit: A motherboard usually has DIMM A1, DIMM A2, DIMM B1, DIMM B2. The DP4400 may report a missing or faulty DIMM (Dual Inline Memory Module) during boot. x or higher for 14G) to enable memory retraining enhancements for servers with DDR4 RAM installed - Memory. To achieve the best performance, place two RAM sticks in the furthest slots from the CPU of each channel, which are the DIMM_A2 and DIMM_B2 slots. if i put dimm in socket a1 and a2 the system is starting. Of the 4 DIMM slots, B1 and B2 are not working. White id markings will identify the slot numbers, or just check the manual. This information tells you, that the system shown above can be configured up to 16 GB of memory, but currently has two 4 GB memory DIMMs, thus 8 GB installed. Replace DIMM_C2. Thanks so much for your help!DIMM A2 = Kingston / HyperX Fury 8GB 2666MHz CL16-18-18-39 (SK Hynix) DIMM B2 = G. The ram works independently from that. However, when at least one of them is placed in the others, the computer refuses to. 現在插1條4G + 網路上買2條4G = 你總共有3支4GB的記憶體 (4GB*3=12GB) 現在的雙通道限制沒有以前嚴格，早就已經沒有容量限制了. Customer Action:EAX-Q35 1. Page 19: Chapter 2 Bios Information To enter BIOS Setup after POST: • Press <Ctrl>+<Alt>+<Del> simultaneously. 2 Rank x8 Planar No Address Parity (with respect to revision B0 this design includes all resistor options as outlined by spec. Replace DIMM_C2. 较严重的错误，即多位错误可能需要用户更换发生问题的 dimm. Major . Tested all four of my RAM sticks (8GB Corsair LPX DDR4 3000) in A1+A2 slots and they all work fine. . e. There's a variety of reasons, the traces are longer which hurts memory speed and stability, the lengths of unterminated wire in single DIMM per channel setups is longer which causes more noise in the memory traces hurting memory speed and stability, it would require more overlapping on the memory traces, meaning you either need to pack in. Have just the 24-pin and 8-pin (4+4) power connections. DIMM_A1 (does work) DIMM_A2 (does work) DIMM_B1 (does not work!) DIMM_B2 (does not work!) putting any RAM stick in DIMM_B1 or DIMM_B2 does not work with the new 3800XT. And when setting the memory profile to 3600MHz, only the A2 slot would remain functional. • For Quad Ranks DIMMs, when installing less than or equal to. Replace DIMM_B2. 请问在log中能看到 Memory 容量和频率. To be sure, I used each stick of ram in each dimm slot one at a time. Once I put ram in either DIMM_B1 or DIMM_B2 it wont. NOTE: 16 GB DIMMs must be installed in slots numbered A1, A2, A3, A4, B1, B2, B3, and B4 and 8 GB DIMMs must be installed in slots A5, A6, A7, and A8. Replace DIMM_B1. 0. But the problem is that the majority of programs (editing and music producing software mostly) refuses to use these extra 16g and hard caps out on 16g almost exacly. 4) Increase CPU System Agent Boot Voltage a bit in BIOS. Post Package Repair (PPR) - The second "self-healing' memory enhancement, results in repairing a failing memory location on a DIMM by disabling the location/address at the hardware layer. SKILL Ripjaws V Series (Intel XMP) DDR4 RAM 32GB (2x16GB) 3200MT/s CL16-18-18-38 1. DIMM_C2 failed self test (BIST). 3 Answers Sorted by: 17 You should populate A1 and B1 first. CAP. Page 18 (D/C) from the same vendor. Once I put ram in either. seems like its has something to do with the 3. PowerFlex Software, Ready Node Series. Put either stick in any other slot and all works fine. 0 slots, Lightning Gen4 x4 M. The reason for this is that A2 is likely the. You can't mix memory within a bank, so if you have 4GB DIMMs in slots 1,2 then the only DIMM you can add to slot 3 is a 4GB of the same specifications. 2. With the RAM you want to use A1 and A2, or B1 and B2. Here is the online link to the system memory map of dimm slot locations:. The OP should be using A2 and B2, never using two sticks in the same channel. • Visit the ASUS website for the latest QVL. The ASUS Pro Gaming Guide recommends if using two DIMMs, insert one in DIMM_A2 and one in DIMM_B2. DIMM_B2 failed self test (BIST). For optimal performance, all DIMMs in the same slot should be identical. 8. • Before using the ASUS CrashFree BIOS 3 utility, rename the . exe) and so far so good. In the manual Said: there are these slots: Dimm a1 Dimm a2 Dimm b1 Dimm b2 and said that for Two kit stick the best setup is to fill DIMM A2 DIMM B2 (the second and fourth slot contingente from left to right). In this case, upgrading the system to 16 GB of memory would mean replacing the two 4 GB. If the full amount of memory is recognized and CPU-Z shows dual channel operation on the memory and SPD tabs, at the full advertised speed, then there is no problem. I've just built a new PC with an Asus Z370-A Prime motherboard and I'm unable to get the RAM to work in the first two slots (DIMM_B1 and DIMM_B2). Most of the time, an ATX form factor motherboard is equipped with 4 sets of DIMM memory slots, and the micro-ATX or mini-ITX form factors are mostly equipped with 2 sets of DIMM slots. A1/A2 share the same channel. So, I was very surprised to learn. I've seen this message using the ADDDC mode on. In any combination it will fail if either of those two are in the mix. It has to be A1 with B1 or A2 with B2 if you mix and match then its in single channel. 7. Hello. 1. any help would be appreciated. To achieve dual-channel pairing, it is necessary to have either two or four identical RAM sticks. bios 测试 (post) 在 post（开机自检）期间，bios 检查 dimm 内存，确保所有的 dimm 能正常工作。 post 在单个 dimm 上以旋转方式检查物理位置（地址）。 这种检查的旋转顺序被称为内存计数显示。In slot DIMM B, you can also see another DIMM of 4096 MB installed, which is of a different vendor. Installing a memory DIMM. Method 1: Swapping DIMM A1 (marked in blue) with DIMM A9 (Marked in red) to try the DIMM in a different memory channel and bank Figure 2: Swapping DIMM A1 with DIMM A9 Method 2: Swapping DIMM A1 (marked in blue) with DIMM B1 (marked in red) puts the DIMM on an altogether different memory controller (CPU). Your motherboard clearly supports 4 dual rank DDR4 modules. try losing the cooler see if anything changes. #3. 40GHz) Thanks in Advance. What I have found so far. If two DRAMs, please install to DIMM_A2. 3D printable modules for ultimate customizability. Major. Das Angebot beinhaltet zwei RAM-Module zu je 2 GB pro Modul, welche als 1 Einheit verkauft werden. I have read several posts that indicate the Guide is incorrect and my experience has been to use lower numbered slots first, i. If I put a single stick in DIMM B1 or DIMM B2 the EZ debug resolves and I can post and get into bios. I have 16 GB of GeIL Super Luce RAM (. 0) [email protected] this, I took the side off, and tried cold booting. Locator: DIMM_B2 Size: No Module Installed Locator: DIMM_B3 Size: 8192 MB Locator: DIMM_C1 Size: No Module Installed Locator: DIMM_C2 Size: No Module Installed Locator: DIMM_C3 Size: 8192 MB Locator: DIMM_D1 Size: No Module Installed--More-- or (q)uit Locator: DIMM_D2 Size: No Module InstalledFor dual channel operation (the table in the image) you should fit the A2 B2 sockets first, and for a single DIMM it should always go in the A2 slot as shown in the note beneath: It might be simply that you get errors in the A1 B1 slots because you are getting signal reflections from unfitted slots. And if the DRAM bus width does not match, the system may not run on. A1. When the buckle is automatically locked , it means the DRAM installation completes. Dell™ Branded memory offered in the Memory Selector has gone through rigorous quality assurance and quality control testing to ensure it will work with. 4. 1、. 8b. 8525 . DIMM A2 DDR-3 8. Did you read it and made everything according to the manual?11. Gebraucht und funktionsfähig ausgebaut. Since B1 slot is damaged can i use 3 ram module at A2+B2 + A1 ??? thankz for the help. 7- connect 8 pin PSU cable to mobo. A. Once that is done, swap B5 with A5. Get an Apex instead. The reason why it is recommended to populate two sticks in A1/B1 or A2/B2 is so that the two sticks of ram are on their own channel (highway) and they aren’t sharing.