Questions tagged [memory]

RAM (random access memory), either RAM hardware or software and operating system use of RAM.

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thousands of errors on memtest86+

I recently started having random BSODs that coincided with a Windows installation that became increasingly unstable. I upgraded the NVMe and reinstalled Windows from scratch. BSODs are sadly still ...
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Very high ram usage, used by tag EtwD and Etwr

Ever since I received my laptop I have been running out of RAM randomly (usually while gaming). After extensive monitoring I was able to identify that the Tag ETwD and Etwr in poolmon are the cause of ...
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CMA Memory Reserve Not Working

I'm a Debian 12 user. I compiled Linux kernel 6.5.3 with CMA support enabled. However, even passing the size of the CMA reservation through Grub (CMA=4G), I cannot reserve memory for the CMA. The ...
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Swapping boot and backup disks during WinPE's image restore procedure

I have 4Gb of DDR in a laptop running Windows 7. I want to do a full Windows system image restore from a 2nd hard-drive that I use in the CD/DVD cartridge slot with a "drive caddy" adapter. ...
Latitude 7's user avatar
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Does faster RAM, in a slower system, produce lower than marked, CL timings?

I own a computer that has a maximum RAM speed of 2400MHz (DDR4) Would a faster 2933MHz RAM module operate with lower CL timings because of the slower bus or would it maintain its marked timings? If ...
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Changing RAM on windows with fast startup

I will have to add RAM to a bunch of PCs. By default they are on fast startup, which I understand saves kernel and drivers info to a conf file to boot faster. I would like to avoid booting them up, ...
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How to change the size of shared system memory In Windows 10?

I recently upgraded my laptop ram from 4gb ddr3 to 16gb ddr3.but my system shared memory is not increased so that i cannot increase my dedicated video ram more than 576mb.anyone help me to solve this ...
D R A G O P's user avatar
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My computer doesn't POST with all 8 ram slots filled

I'm using an upgraded HP workstation xw6600, although the only changes are the GPU (AMD Radeon HD 7850) and another 2 SSDs. About 2 months after adding my second SSD, I went to turn on my pc, but it ...
Chromegism's user avatar
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Thinkpad x240: RAM stick not working

I have two Thinkpad X240. Laptop 1 has a 4 GB RAM module, functioning properly. Laptop 2 has a 8 GB RAM module, also functioning properly. When I put the 8 GB RAM module into laptop 1, I can't get it ...
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RAM Is dead or Is just a software error?

This is my spec for clarity reason: •CPU: AMD Ryzen 5 5600X •Mainboard: Gigabyte B450 Gaming X •RAM: 2× G.Skill Aegis DDR4 3200Mhz Now, I never have problem with this sticks and they worked in dual ...
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Kernel panic and memory corruption when operating laptops without built-in battery

Sorry in advance for the long winded post but I believe some context/backstory is necessary. I was running an old Asus GL502VM gaming laptop for about 7 years with Windows 10, plugged in all the time ...
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/dev/mem can't acccess as normal user

So I have an electronics project which involves colored LEDs called Neopixels. The supplier of the LEDs has written a library in order for my Raspberry Pi to change its color. But it uses /dev/mem. ...
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PC starts a booting process then shuts down and repeats (after installing new parts)

so I ran into a problem today. After I installed everything into my new case and some new parts. When I went to change my ram speeds and save it to 3000MHz my PC enters a boot attempt then shuts down ...
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4 sticks of ram wont boot?

I tried using 4 sticks of RAM, but my system won't boot. All 4 sticks are same type and model (purchased both sets at same time from same vendor) and I tried many different configurations to no avail. ...
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Cannot use free space for swap partition

I am trying to increase the swap space on a CentOs-7 VM. I was running a program that crashed on the VM complaining about running out of memory. I thought increasing the swap space might fix the issue....
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RamMap processes private memory doesn't add up

The summary tab shows 27 GB used: But processes don't add up to this amount: What's using memory?
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Interpretation of wmic memphysical query output values

I ran this command in the command prompt and was wondering if I was interpreting the output of the command correctly. The command goes as follows: wmic memphysical get MaxCapacity, MemoryDevices The ...
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Gigabyte Z97 D3H won't post after shutdown, fixed by RAM reconfiguration every time

My Gigabyte GA-Z97-D3H motherboard has recently developed new problem. I works OK as long as I don't shut down computer but only put it to sleep. If I shut it down, the next time when I turn it on, it ...
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CPU and GPU bottlenecking

I am using a hydro-morphdynamic simulation software (BASEMENT) to run river-engineering simulations. Since version 3, BASEMENT is programmed to run on GPU + multi-threaded on CPU (using OpenMP). I run ...
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Failed to find ways to add up the values in /proc/meminfo to MemTotal

The following is the /proc/meminfo dump from one of the server I'm working on, and memory increase like crazy recently, triggering multiple system OOMs. When the free memory is really low situation, I ...
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Installing Ubuntu on Virtual Box

I know that there are similiar questions to these, but I searched them and tried but I didn't succeed. Basically, I have downloaded Ubuntu 22.04 LTS version from Ubunto site, however when I am ...
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Understanding Mac OS MPS Warning

Context Hardware: Mac M1 Mini Software % sw_vers ProductName: macOS ProductVersion: 13.5 BuildVersion: 22G74 Task at hand: Running a piece of Python Code (a Machine Learning Model)....
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Laptop Lenovo IdeaPad 3 15ITL6 - RAM upgrade and black screen after - too much RAM?

I have a Lenovo laptop with 4GB RAM (soldered to the motherboard) and wanted to upgrade the RAM which can be upgraded up to 12GB RAM if I read the specifications on the Lenovo website. I was on the ...
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How does interrupt controller deals with PCI, QPI and other buses?

We know that communication between CPU and Notrh Bridge things happens through the PCIe or memory bus. Communication between CPU and South Bridge devices is made through the interconnect interface (...
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Configure amount of reserved memory for Linux kernel

I am running Linux on an embedded device with 64MB of physical RAM. Linux prints the following message when it boots: [ 0.000000] Memory: 58944K/65536K available (3072K kernel code, 576K rwdata, 832K ...
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Why would a process use more memory running on one OS compared to another?

My process uses more memory when executed on Ubuntu 22.04 than when executed on Oracle Linux 8. Is it something to do with the operating system? Could it be something related to the program (which I ...
Matt Welke's user avatar
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Can reverting/resetting BIOS Settings completely erase all your xmp/memory frequency changes right?

I was just wondering if a simple "Reset To Optimized Default" can be really impactful or effective to reverting all the changes you did. Like for example, you turned on XMP, but then you ...
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Unable to initialize memory with z690 motherboards. Unable to boot to bios, stuck at Q-Code 11

I have 2 brand new Z690 motherboards. The first is an ASUS Z690 ROG Apex. The other is an MSI Z690 Force. My Issue I've installed the CPU in the socket, a single stick of RAM in the dim closest to ...
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Too high RAM usage on Windows 11 at desk

I've got a problem with my new laptop - I have the feeling that the usage of ram is far too high. Ram usage: As you can see, the usage is constant, and at half of my total ram, but when I look into ...
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Are these reportings/stats typically normal for a CPU?

I was checking my cpu temperatures by using HWiNFO and checking if everything is normal. But i came to notice that the minimum of the Core Clock Speed are "798-797.7 mhz or 0.78-0.79 ghz" ...
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Have to boot PC twice to get display signal / image

For quite some months now, I keep getting a "no signal" message on my display when booting my desktop PC every now and then. When pressing reset, the problem disappears and everything boots ...
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How is it possible that a single address contains 8 bits if each BIT in a memory has its own unique address?

In the data structure, address 0001 contains 8 bits, then address 0010 is another 8 bits. But in a RAM memory array, every single bit has its own unique address. In a RAM, Address 0001 points to a ...
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Can I use PC3L-12800U memory modules with Asus P9D-X board

I need help on this: I have an Asus P9D-X board, can I use PC3L-12800U memory modules? Board Spec Submit Link: https://www.asus.com/commercial-servers-workstations/p9dx/specifications/
Tu PC Doctor's user avatar
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What is on-die ECC?

According to Crucial, Designed with on-die ECC (ODECC)8 at the component level for long-term stability, Crucial DDR5 is engineered to maintain the same reliability as the previous generation, even ...
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What does "Supports ECC UDIMM memory (non-ECC mode)" mean?

According to MSI, the motherboard I'm looking at Supports ECC UDIMM memory (non-ECC mode) What does this mean even?
Evan Carroll's user avatar
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My PC is very slow, opening explorer takes 5-10 min to load properly

I have a laptop with the following specs: i5-6200U, 8GB LPDDR3L RAM, 240GB SATA SSD(Boot and C Drive without any partitions) + 1TB HDD. My PC can't handle 3 programs at once right now. It always ...
Sohail's user avatar
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Obtaining RAM usage per logon session in PowerShell

I want to get the memory used per session through a PowerShell function. I am only interested in disconnected sessions. In the task manager, I can see the memory used per sessionID: I tried to obtain ...
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ZFS deduplication table not paged out to RAM

I have a pool on which there is 3.41 TB of data, deduplication is enabled on the volumes, judging by the output of the zpool status -D <pool_name> ... dedup: DDT entries 73665285, size 696B on ...
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DDR4 SODIMM what does the V lettering mean after the speed? E.g PC4-2666V

I'm normally familar with the lettering of RAM sticks but I'm a little stuck on what V means. For exampe I know 2400T is the T suffix at the end means it meets a specific JEDEC standard. A 2400T ...
Simon Hayter's user avatar
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2 answers
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Is it possible to allocate a dimm slot to a VM

I read that it is possible to escape a VM by overflowing the RAM and sending something in the main OS. So would it be possible (even in theory) to allocate one of the RAM stick or dimm port to a VM?
Allder's user avatar
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What is the difference between M323R4GA3BB0-CQK & M323R4GA3BB0-CQKOD

I have 2 Samsung Dimm modules with the part numbers ( M323R4GA3BB0-CQK, M323R4GA3BB0-CQKOD) The only difference between them is the OD at the end. What is the meaning of this OD? what does it stand ...
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uwfmgr does not function in 32bit system

I have to Switch from fbwfmgr to uwfmgr (because of switching from Windows XP to Windows 10) but every time when I do some Change so that uwfmgr has to reset it the Computer "Crashes" and I ...
Frreiheit's user avatar
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qemu-system-sparc: shared memory between host and guest

All, I've been looking into passing things between a host's shared memory and guest OS's shared memory, and have come across this link. I've been able to successfully reproduce the output shown at the ...
fireshadow52's user avatar
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Configure the memory limit per javascript process in FireFox

Is it possible (how?) to increase the amout of RAM a JavaScript process may use in Firefox?
user877329's user avatar
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1 answer
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My ram is ( Hynix ) Company As Labelled in Photo . But in Cpu-Z indicates Model Manufacturer (Kingston ). Why Cpu-z Showing other Manufacturer Name?

I Purchased 8 Gb DDR3 PC3L ram of ( Hynix ) Company on 7 July 2023 as Labelled in Photo Hynix DDR3 RAM 8GB 2RX8 PC3L-12800U-11-11-F3 But when I checked by CPU-Z. Here CPU-Z Indicates Model Kingston) ...
SK N's user avatar
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How to view RAM commit with MSI Afterburner/Riva Tuner?

Looking for a way to output the value shown in the 'Commit' column of Resource Monitor on the screen overlay provided with Riva Tuner: I have PerfCount 0.9 installed which "allows available ...
Kalamalka Kid's user avatar
3 votes
1 answer
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Kingston RAM and Gigabyte Motherboard compatibility

To start with, I would like to apologize if it is a dumb question. I am assembling for the first time in my life a pc of my own piece by piece, and for this reason, I often get confused and afraid of ...
Luiz Willner's user avatar
6 votes
2 answers
3k views

Dell suggests lowest of the low maximum RAM [closed]

I have a Dell Inspiron 620s PC. It has a Core i3 2120 processor which supports 32 GB RAM and an H61 chipset motherboard which supports 16 GB RAM, but then also at the Dell website it says the maximum ...
Utkarsh Yadav's user avatar
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Single channel CL9 vs dual channel CL11

I have to upgrade the DDR3 RAM of an old PC. At the same price, do I get the best performance with a single channel cl9 or a dual channel cl11? Both 1600MHz
Franz's user avatar
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How do I disable "suspend to RAM", and enable "suspend to idle"?

I found some threads and articles with lots of info on this topic but I can't seem to make sense of it just yet. I'm running Fedora workstation with secure boot and full disk encryption on an Asus tuf ...
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