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

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1answer
146 views

PCI BAR memory addresses

Quick question, I was reading the OSDev Wiki page regarding PCI and it says the following - "Base address Registers (or BARs) can be used to hold memory addresses used by the device, or offsets for ...
2
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1answer
213 views

What happen if we reduce the size of hiberfil.sys

I today discovered that we can set the size of the hiberfil.sys using powercfg -H -size 100% command line tool. Ignoring the hard space you will get, what else will change if we set it to powercfg -H ...
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1answer
19 views

Ram rows and columns

Does an addressable column of ram represent a byte of data or a bit of data? I haven't found a reliable source that answers this question. If it does represent a byte does it always?
0
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0answers
57 views

IBM x3650 7979-B1U Memory Configuration

Hi we have IBM x3650 7979-B1U server. We have purchased 3 quantities of the following RAM: (2x 4 GB) PC2-5300 CL5 ECC DDR2 Chipkill FB-DIMM 667 So in total, the server should recognize 24 GiGs of ...
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0answers
31 views

Run java in php apache2 in browser [duplicate]

I wrote a simple PHP file which calls a java application. It runs on cli without problems but I can't run it on browser. Output: "Java HotSpot(TM) 64-Bit Server VM warning: ...
0
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1answer
105 views

Why would Windows 7 say I'm low on memory when I appear to gave 2GB+ free? [duplicate]

Why would Windows 7 say I'm low on memory when I appear to gave 2GB-3GB of free RAM? (on a 12GB machine) Surely 2.2GB+ is quite a lot of free RAM and it shouldn't be warning me at this stage? Also ...
2
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2answers
148 views

Increase available memory in Windows 8.1 4 GB machine with SSD [duplicate]

I have a new laptop with only 4 GB of RAM. When I boot up the system, almost 2 GB are used for something. Are there some quick tricks to increase available space? Maybe disable Superfetch as I have ...
0
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2answers
116 views

Are there issue using different sized RAM's

I have a 1*4GB RAM installed in my dell laptop. I am going to purchase 1*8GB RAM. So, my question is if the combination of one 4GB and one 8GB RAM, will both work or not? I am confused as I have never ...
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1answer
79 views

Whats the difference between physical and virtual cache?

I am having trouble understanding what virtual cache actually is. I understand virtual memory. If the CPU wants to access memory, as far as I understand, it sends a virtual address to the MMU which, ...
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0answers
73 views

Windows-Services Memory Leak

I have a problem with a few services that take up more and more ram. I usually let the computer on without restarts and after a while some of the services take very big chunks. The services are split ...
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1answer
49 views

Losing memory application

I have a 2009 Mac Book Pro. Just added 8 G of memory. It filled that memory in 10 minutes. I have to force quite up to five times a day. If you offer help please use lay terms as I cannot ...
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1answer
155 views

Why does not Windows statically allocate RAM for Intel Integrated Graphics?

I wanted to know how much RAM is being utilized. It said that out of the 12 GB installed, 7 gb was allocated overall and it showed me the split up for each processes. I could not find the RAM ...
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1answer
33 views

New ram prevents PC from booting up

I have an AsRock H55M-Pro with a core i3-530, running Windows 7 64-bit. I have 2x2gb of crucial ram running in it at the moment (slots A2, B2). I purchased 2x4gb sticks of Kingston HyperX ram 2400. ...
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2answers
186 views

Windows 7 - Additional RAM installed, but usable amount did not increase? [duplicate]

We have just upgraded a PC running Windows 7 Enterprise Edition (32bit) to have 4gb of memory instead of 2gb. Previously, there was 989mb of usable memory (with 2gb total installed). After upgrading, ...
0
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1answer
49 views

Upgrading Ram from 4GB to 8GB in packard bell tm80

I own a Packard bell Tm80 laptop (this website has pulled up this info on recommended ram upgrade option): http://www.crucial.com/uk/store/mpartspecs.aspx?mtbpoid=71500C5AA5CA7304 I have Samsung ram ...
0
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1answer
86 views

Issues with 10GB RAM on ASUS P5E3 Premium

I hope a computer expert can help me out with this. I currently have this motherboard: Asus P5E3_Premium WiFi AP_n and I have 2GB (2 x 1GB modules) installed in there already : ...
0
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3answers
83 views

New laptop: what would be more efficient? SSD hard-drive or 16 GB RAM? [closed]

I plan to purchase a new laptop (Dell) and my budget allows me to choose one of the following: SSD hard-drive, 128 GB, for running Windows 8 OS (instead of 500GB hard-drive 5400 RPM) (or) 16 GB RAM ...
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4answers
252 views

Force Windows 7 to unload items from memory (not Superfetch)

The question is how to force Windows 7 to REMOVE items from my RAM when they are no longer in use. Because this question is met with 100% resistance I'm going to clarify this once... This question ...
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0answers
20 views

When doing IDE DMA on x86, can other CPUs access the memory?

I am unfamiliar with hardware. I am studying the IDE disk I/O and DMA on x86. I want to know that when doing a IDE disk I/O with DMA, can other CPUs access the memory (or exactly, the same memory ...
0
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1answer
158 views

Do DDR3 SODIMM modules come in sizes greater than 8GB?

I'm really interested on buying a 1x16GB DDR3 SODIMM module because my laptop has only one memory slot. I know that DIMM modules with 16GB do exist. But I can find only packs with two 8GB modules of ...
0
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1answer
42 views

RAM decision for laptop

These are my two options: Option 1: Number of sticks: 1 Number of RAM on each stick: 4GB MHz on each stick: 799 MHz Option 2: Number of sticks: 2 Number of RAM on each stick: ...
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0answers
32 views

Limit total RAM usage to certain value in Windows

Windows 8 32 bit OS running on my AMD 64 bit processor with 4GB RAM many a times hangs or restarts probably after certain level of RAM usage. Is there a way to limit RAM usage upto a certain value ? ...
0
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1answer
57 views

Will more than 8 GB of RAM work on ASUS P5E3 Premium?

There seems to be some anecdotal evidence here and here that I could put more than 8 GB of RAM (say, 16 GB) into the 4 slots on the ASUS P5E3 Premium motherboard. Can anyone confirm whether or not ...
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2answers
91 views

Firefox bottleneck with lot's of tabs open?

I'm currently using Firefox 28.0 on a windows 7 system on a SSD. Sometimes, when I do some research, I open about 180 + tabs on my machine. This makes firefox super slow, without using the SSD or CPU ...
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0answers
21 views

Windows 7 - out of memory when mounting harddrives

I am having a problem on Windows 7 (pro, 64bit, latest updates) when mounting hard-drives: Windows becomes unresponsive will show out-of-memory-errors will advice to close all programs and restart ...
0
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1answer
37 views

I want to increase the swappiness in my windows 7

as I have 60% RAM usage every time. I have already increased Virtual Memory (Increased Swap Size) but want to increase swappiness too. see my RAM usage:
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1answer
28 views

Can I change my DDR PC 400 to DDR PC 2700?

I just want to ask if I can change my DDR PC 400 to DDR PC 2700? I am having a hard time to find a DDR PC 400 here in our place. So Im thinking of replacing it to DDR PC 2700. Is it okay? Can I use ...
1
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1answer
80 views

Adding a second RAM chip to Asus U32U Laptop [closed]

I have an Asus U32U laptop. The specific model is RX012D. The configuration is: AMD® APU E-450 AMD A50M Chipset AMD Radeon® HD 6320 Built-in 320GB 5400RPM HDD Running Ubuntu 12.04 LTS (will move to ...
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0answers
81 views

Why my computer keep crashing? [With some data]

Just bought this PC used from a guy, it has the following config: AMD FX-8120 HD 7850 2GB Core Edition (4x) OCZ Gold Edition 2GB DDR3 1066Mhz Asus M5A78L LE This PC should run games like GTA IV ...
0
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2answers
120 views

Memory speed discrepancy between spec, BIOS and diagnostics

I have a new Dell Precision M4800 computer - the memory for it was spec'd at 1866MHz. When I ran the Dell built-in (to the BIOS) diagnostics, though, it reported the memory speed is 1600MHz. This ...
2
votes
1answer
116 views

How are reserved and ACPI NVS memory sizes counted?

My PC has 8GB of memory installed and is running Win 7 64-bit. I ran a tool named fwmemmap that shows the firmware memory map for the system but it's showing around 60MB more than is physically ...
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6answers
2k views

Does more RAM usage cause more battery usage?

I'm using a 2 year old 15" AMD laptop running Windows 8, and its battery life is not as long as the brand new ultrabooks for sure. In the place I'm currently working I don't have access to a power ...
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3answers
342 views

4 GB of RAM, only 2.67 GB usable

My laptop was using a 2 GB RAM and I thought it wasn't enough, so I bought a new 4 GB RAM stick. I have been playing graphic and memory-intensive games, such as Battlefield 4 (the Recommended ...
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0answers
26 views

I must forgo half the RAM, otherwise computer freezes, hardware issue suspected

I have 8GB of RAM. Debian reports seeing 7.8, Windows about the same. A few months ago I installed Debian dual-boot on my Win7 home machine. At the time I thought it'd be a good idea to open up the ...
0
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1answer
59 views

Computer Build for VM's: Slow behavior normal? [closed]

I've custom built a computer for work. The main idea (for security reasons mostly) is to use one VM exclusively for work (mainly 3rd party windows applications that work with PostgresSQL) and another ...
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2answers
118 views

Can a faulty RAM cause a Ultra DMA CRC Error?

I just upgraded my laptop's RAM yesterday and some weird things are happening because the memory module I bought on my local computer store is defective. Since the RAM isn't working properly, ...
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0answers
41 views

How to keep mysqld alive with minimal memory?

I have a rackspace server that I have been renting to run my personal projects upon. Since I am cheap, it has 256Mb of RAM and honestly can't handle a lot. Every once in a while, when there is a sharp ...
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8answers
3k views

Why half of my RAM of 8GB is missing?

Have been sitting with 8GBs of RAM for 2 years still thinking I needed another 4GBs and never questioning why so often I get message about low physical memory that would close all open programs ...
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0answers
74 views

Malware on my Linux? Cant see on top/htop but CPU/Mem Usage is high

Over about the last week or two, I have been seeing something odd with my Linux mint PC. Over a day or 2, at some point, my CPU usage hits and saturates at or near 100 at some point (according to my ...
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0answers
28 views

Prevent a closed source chosen process from swapping on Windows [duplicate]

When I run VirtualBox If I don't use VirtualBox for some time and then I come back to using it the virtual machine runs very slowly, obliviously all subsequent operation go enough fast. How I can ...
0
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0answers
31 views

HP Z-600 Workstation does not use all RAM or cores

I have an HP Z-600 Workstation running on Windows 7 Professional w/ a NVIDIA Quadro 4000 Graphics Card, 48 GB RAM and (2) 6-core processors for a total of 12 cores. When I perform a heavy operation ...
6
votes
1answer
909 views

What does the MHz of RAM really mean?

Countless of times I've heard and read that RAM-memory can have different speeds - denoted as MHz (e.g. 1066 MHz). However, what this frequency really is has never been explained to me and I'm having ...
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3answers
129 views

Can Task Manager show the total memory usage for a group of processes?

Some applications like Google Chrome and TweetDeck show up as several processes in Windows Task Manager. This means that the memory reported in each row is only part of the overall amount used by ...
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2answers
95 views

Can my Motherboard handle this Graphics card?

I found this mother board online (Gigabyte GA-Z87X-SLI) and this graphics card (Gigabyte GeForce GTX 770 4GB PhysX CUDA). The graphics card has 4GB GDDR5 SDRAM. So this is the actual problem: The ...
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2answers
58 views

Will a big RAM improve filesystem write IO?

We have hundreds of millions of small files on our server, totally about 500 GB. I'm looking for a way to speed up their creation. Would there be any difference if I get more RAM for that purpose? ...
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0answers
44 views

Will this RAM work with my Intel mobo (DX58SO)?

I'm planning to add three DIMMS so I have 12 GB triple channel. Memory is: 4GB Module - DDR3 1333MHz Part Number: KVR13N9S8/4 Specs: DDR3, 1333MHz, Non-ECC, CL9, 1.5V, Unbuffered, DIMM, ...
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0answers
29 views

How to read the results of PsList?

I'm trying to use PsList from SysInternal to check the RAM used by running processes. The thing is I don't quite understand the results. For example, in the screenshot below, VBoxTray.exe is using ...
2
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2answers
92 views

Where are Page tables stored

My question is "where are the page tables stored: in physical memory (RAM) or as some data structure in User space". PS: What I have understood so far: A process memory layout has few segments ( ...
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votes
1answer
42 views

don't undestand how increaseuserva works

I've got 4GB ram on my laptop but my operating system is windows 7 x86 so I've got 3~ GB available from 4GB. And some games are crashing because of running out of memory. So the solution I found is ...
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2answers
81 views

HP dv6-2150ca don't boot after RAM upgrade

I've HP dv6-2150ca with Windows 7 Home Premium 64 bit. I had 4 gb RAM. I upgrade to 8 gb RAM. Both from same manufacturer and purchased at same time. Specs of RAM Crucial When I start laplop it says ...