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

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Windows 8 RAM Increase

I've been using Windows 8 for a while without any problem on my 8gb i5 system, but all of the sudden, the memory being used has been jumping up to around 6gb on idle. In task manager, the program ...
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30 views

Installed 4GB SODIMM PC3-12800 on a laptop with 4GB PC3-10600. New memory not recognised

I installed 4GB SODIMM PC3-12800 on my Samsung laptop which already has 4GB PC3-10600. The new memory isn't being recognised. I swapped the RAM in the sockets and nothing happened. I think the two ...
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20 views

How to diagnose ram/motherboard issue on an XPS M1530?

I have a dell XPS M1530. Long story short it kept on crashing at seemingly random points, and diagnostics returned error 2000-0123. This turns out to be a Ram or a motherboard error according to ...
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14 views

Instruction cache vs data cache with reguards to size

In the context of cache for a CPU, I understand some are divided between instructions and for data. How exactly are they divided? Is one physical unit partitioned into two or are there two units ...
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20 views

Canary developer console using too much memory

I use Google Canary for web development, and recently I had to uninstall it, because whenever I had the Developer Tools Console open, everything would slow to a near halt. There was a noticeable ...
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16 views

Why was overlaying suppose to be done by the programmer?

I was reading about OS memory organization, and the first entry in the Virtual Memory(VM) chapter refers to overlaying and how when it was used at a large scale (up to the 60s) the process memory ...
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46 views

What to expect from a H81 motherboard

I'm building a budget gaming PC with an Asrock H81 motherboard. I'm about to buy my RAM, but I just saw on the description that H81 is not in the list of the "supported" chipsets. The motherboard is ...
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28 views

What is the optimal distribution of RAM across available slots given a specific amount?

Given two memory slots, what is the optimal configuration given my 2x1GB, plus either 1x4GB or 2x2GB? (I just bought a used laptop with two slots, currently 2x1GB, max 8GB) Possible upgrade ...
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37 views

You have ran out of Application Memory, even after restart

My Mac running maveriks updated recently is getting a Application memory error I have taking a screenshot with the activity monitor running in the background and the error in front
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25 views

CPU core overload? Audio randomly glitch for 1-2 seconds

I don't know why I have random glitches while listening to audio lately, it never happened before. My computer is rather good, and memory is enough: 6GB ram / 4 cpu. In order to find the problem, I ...
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56 views

Is a Dell XPS 15 L502x with three 24" monitors (1920 x 1200) possible?

I'm at a crossroads and need some PC advice. I'm a web developer so I'll have a few local web and DB servers running, maybe Photoshop and or Illustrator, any number of MS Office programs running, SQL ...
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62 views

One particular instance of svchost.exe taking up awful lot of memory. Why?

I have been observing that the process "svchost.exe" in my list of running processes keeps taking an awful lot of memory; close to 550MB at times! There are multiple instances of svchost.exe running ...
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21 views

Problems with corsair ddr3

My problem: I bought a brand new Lenovo desktop, comes with 1x4GB DDR3 PC3-12800 1600mhz 1,5v. Since i`ve installed a CORSAIR VALUE SELECT DDR3 1x4GB PC3-12800 1600mhz 1,5v the computer, random ...
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38 views

99% used memory, but 70% of unused allocated memory and 97% swap available: what can I do?

In a server with 48GB of RAM, when I run top, I see that less than 500 MB are free (1%), whereas when I sum up the column of % of memory used by each process, it is around 30%. Since only the 2.7% of ...
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20 views

Where does Windows Vista saves memory dump files when the previous dump file exists and the option “Overwrite any existing file” is unchecked?

Where does Windows Vista saves memory dump files after crash when the previous dump file exists and the option "Overwrite any existing file" is unchecked? As in the title, what happen and what does ...
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49 views

MariaDB and Apache Server Running Slow and MariaDB Crashing

I am running Debian 7.4 with Apache2 and mariadb-5.5. I am running 3 sites on Apache, none of them have high traffic (no more than a couple of hits per day). The server is a Virtual Machine running ...
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16 views

Server cannot use faster RAM than the motherboard supports?

I know by experience that I can use faster RAM on consumer level laptops and desktops than the motherboard supports. What about servers? There are some IBM servers, and I suggested buying PC12800 for ...
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61 views

FFMpeg very slow on i3 Windows machine

I have a mystery. I am using ffmpeg.exe to convert videos to frames. On most machines I get very good speed. On an i7 I get 144fps. On an old Core 2 Duo machine I get 75fps. But weirdly on an fairly ...
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39 views

Partition Table: Master Boot Record (MBR)

I would like to understand an article about the Master Boot Record My problem is on the bit 2 hexa bit calculation It said : Have 64-byte partition table The 64-byte partition table has four ...
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14 views

DELL running Windows 7 loads to desktop and then

My moms Dell computer loads up to the desktop and then freezes as if it doesn't have enough RAM to process any commands. it doesn't blue screen at all and I don't see any memory leakage going on but ...
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16 views

Command to get associated threads for pid in OSX

In Linux I can use one of the following ps -p pid -L -o pid,tid,%cpu,%mem ps -C command -L -o pid,tid %cpu,%mem What is the equivalent command for OS X ?.
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Gateway md2614u won"t turn on with both memory ram slots filled

All of sudden laptop cut off.When i would turn it on it had a black screen,but the lights on keyboard,and fan worked.I thought it was a goner.Well figured i'd try taking one memory ram out to see if ...
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virtual memory view in windows server 2008

AFAIK, Task Manager in windows 2008 shows the physical memory. I have a program that sums up the FREE physical & FREE virtual memory in MG. How can I confirm it has the right output of this sum? ...
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28 views

Why does my MBP perform poorly compared to an identical model with less RAM?

I recently discovered Geekbench and ran a set of tests to benchmark my laptop (Early 2011 Macbook Pro / 16 GB RAM of 1333 DD3 RAM / 2.3 GHZ quad core). Here are the results of the tests (Early 2011 ...
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72 views

Why is Firefox Using 2 Gigabytes of RAM?

I have version 26.0. Firefox uses 2 gigabytes of RAM minimum with only one tab open. I've tried uninstalling add-ons, disabling plug-ins, everything, but nothing helps. What do I do?
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118 views

Windows 8.1 permanently at 100% memory usage

The system runs permanently on 100% memory, even after a clean boot. I thought I was having a memory leak. I have recorded pool activity with Windows Performance Recorder, dropped into Windows ...
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70 views

System frequently hangs/freezes with all processes in D state

When I am browsing the web with chromium (with lots of tabs/images/etc.) or running virtual machines with kvm, occasionally (at least a few times a day) my system will suddenly become unresponsive for ...
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98 views

multiple instanes of conhost.exe/cmd.exe flooding RAM

Multiple instances of conhost.exe Similar to that thread im having multiple instances of those process being launched constantly slowing down my PC and eventually causing a crash due to RAM being used ...
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528 views

Whys is dllhost (COM Surrogate) consuming almost all of my memory?

On Windows 7, at any given point and for no apparent reason, my computer starts to slow down until I can no longer open applications such as Photoshop and windows starts to function incorrectly. If I ...
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76 views

ASRock Z87 (new build) turns off and on three times, then three beeps, black screen

After my old MOBO's USB ports began to play-up, I decided on a long overdue, but unexpected upgrade. Not having a huge budget, I'd be using some old components in this build: my tower, PSU, HDD and ...
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Finding FD usage in windows application - Linux like FD

i have been recently porting a Linux application to windows and been quite successful in running the application too.. But to to analyze the performance of the the application i found that resource ...
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Saving a log of console-mode Memtest86+ run

To debug mysterious failures with my workstation, I've booted it with an Ubuntu LiveCD and ran Memtest86+ in console mode. It found many errors. To isolate the defective sticks I need to send the lab ...
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42 views

how does openvz manage buffer caches?

How is the buffer cache managed in openvz? What happens if a) a guest is low on memory, the host is not. A process allocates an amount of memory. Now something is evicted from the buffer cache on ...
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19 views

Theoretical behaviour of RAM if single read/write error

The topic is not a broken RAM. A good RAM can also have occasionally errors when reading/writing; non-ECC RAMs more than ECC RAMs, but errors are possible with both types. My question is, when ...
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14 views

Upgrade Emachine E727 RAM

I want to upgrade RAM of my Emachine e727 , which has 1 GB DDR3 SODIMM 1033 MHz of 2 slots . Can I upgrade it with 2GB DDR3 1333Mhz ram in other slot ?
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RAM Doesn't make a click sound when installing

So I built my first PC and I have a asus m5a97 le r2.0 motherboard and one stick of corsair vengeance Lp 8gb black version cml8gx3m1a1600c10 ram. it goes in the slot but no click. once i turn on my pc ...
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23 views

Is there an explanation, why my computer only works with this RAM configuration?

Recently I had a problem with my desktop computer, which was working fine over the last 3 years. The hardware has the following specification: Motherboard: ZOTAC GeForce 9300-ITX [GF9300-I-E] ...
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20 views

800 speed memory into 1066

Can you place lower speed RAM into higher slots? I had a motherboard fail and from my research I can stick a AM3 into an AM3+ slot, but so far no luck with an AM3+ that supports 800 speed RAM.
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PCI Express BAR memory mapping basic understanding

I am trying to understand how PCI Express works so i can write a windows driver that can read and write to a custom PCI Express device with no on-board memory. I understand that the Base Address ...
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64 views

How is the NVRAM/EPROM which contains the firmware placed and used

From this link - Chapter 9, section 9.1.4, it says: The first instruction that is fetched and executed following a hardware reset is located at physical address FFFFFFF0H. This address is 16 ...
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25 views

Download stops in all browsers and download managers on Windows XP

I have Windows XP on my desktop and I can't download anything on it. Download stops after a few seconds or even doesn't start. I've tried using Firefox, Chrome, IE, different download managers, but ...
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246 views

Windows 8.1 Task Manager Memory usage

I know that computer has 4 Gb RAM. Opened Task Manager and see Memory 36%. For testing (interest) summed up all processes and got 425.1 Mb. 36% is ~ 1/3 of all RAM. But 425.1 * 3 = 1275.3. Video ...
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43 views

Is dual-channel RAM operation independent for each bank?

For dual-channel usage of DDR3 SDRAM, what happens if one bank has DIMMs in both channels but the other bank has only one DIMM in one channel? Will the bank with the paired DIMMs operate at the ...
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17 views

Automatically perform actions upon memory usage of process?

I have a process, process_1, that normally uses a certain amount of memory but periodically jumps to a much higher amount. Whenever this happens, I'd like to force quit another process (process_2) and ...
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97 views

SWF file from website crashes computer on Ubuntu 12.04.3 LTS but not Win 8

If I visit the website (with Firefox 26.0 or Chrome) http://betway.com/sports-betting then on Ubuntu 12.04.3 LTS (on a brand new Lenovo S540, Haswell i7, 8Gb RAM, 10gb linux swap-drive), and use ...
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91 views

HP Pavilion Elite (HPE-400y) gives “Memory Error” beep code when booted with more than one stick of RAM

I left on business for seven months, and my computer was off and unplugged the whole time. I got back and attempted to turn it on. The power turned on and all the fans started whirring, but the ...
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67 views

Does my computer fail to boot because I removed RAM?

I have a dual-boot (Windows 7 64-bit and Linux) system. A couple weeks ago I doubled my RAM from 4GB to 8GB. However, the new RAM was causing all sorts of boot problems with both Windows and Linux, so ...
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67 views

Where can I find evidence of changes in the amount of RAM installed on a windows machine?

My relative recently had his motherboard replaced at a repair lab. He currently has 2GB RAM installed and if my memory serves me right he had 4GB before the 'repair'. I want to go to the shop with ...
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Workstation graphics card brings down memory clock of system

I had bought a graphics card NVIDIA Quadro 410 (base level) and attached it to my system. The problem i am facing is that once i install it, it beeps 3 times with a gap of 10-20 seconds and then ...
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240 views

Installed Windows 8.1, Explorer now taking > 50% CPU

I installed Windows 8.1 (x64 Enterprise) on a 5 1/2-yr old Dell Inspiron 1720 laptop. I'm seeing sporadic extended periods (a couple minutes up to 10-15 minutes) where Windows Explorer is consuming ...