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

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Buying the right memory for 13" Macbook Pro Mid 2012

I want to upgrade my 13" Macbook Pro Mid 2012 to 8 gb RAM (is has 4 gb now). I want to buy Crucial RAM and I selected my Macbook model on their website. The website then shows me all compatible ...
4
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1answer
20k views

Suddenly getting bsod memory management issue after Updating to windows 10

I recently upgraded to windows 10, most things seemd to work fine, aside from a few issues here and there which was easily resolved. Thou i had to reinstall the Nvivida Driver for the graphic card. ...
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4answers
11k views

Which slots are proper to install 2x8GB of RAM?

Take a look at the image from the manual of the motherbors (Asus h87-e). Am I supposed to install 2x8GB RAM modules into A1&A2 or into A1&B1? Thanks!
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4answers
26 views

How much benefit will I get if I add another 4GB ram to my Laptop?

I am using ASUS K55A-series laptop. Specification: Intel® Core™ i3 3110M Processor ( 3rd generation) DDR3 1600 MHz SDRAM, 2 x SO-DIMM socket for expansion up to 8 GB SDRAM Integrated Intel® HD ...
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2answers
38 views

Can't determine Intel Chipset Information and thus max memory supported by system

I have old lenovo 3000 C300 All-in-one PC. It has Intel Atom 330 @ 1.66 2 memory slots, PC2-5300 (667mhz) SODIMM 200 pin memory. CPU-Z Rated FSB is 531.92 Mhz Here are results from different ...
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5answers
642 views

How can RAM contain a “memory map” if RAM is unaware of the overall system?

This question concerns hardware more than software. Basically, citing from this article on memory maps, it says that: In computer science, a memory map is a structure of data (which usually ...
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4answers
635 views

Memtest freezing at 16 percent

I'm having trouble with my PC freezing, and decided to run Memtest. What happens is: no error is being revealed, but the test gets halted when it reaches 8:30 min (16% of total test). Does this mean ...
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1answer
46 views

DDR2-800 (PC2-6400) RAM is clocked at 200MHz?

It should be twice the frequency, right? Intel 945GC specs
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2answers
4k views

Computer beeping on startup after unsuccessfully RAM upgrade

I tried to upgrade my RAM memory, but when I opened the computer and tried to put them in, I realized that I have DDR2, and I had bought DDR3. Well, nevermind, I will exchange them, but here is the ...
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3answers
3k views

BSOD Error Code 1a

For the past couple of months I receive a BSOD Error Code 1a about 1-3 times every single day. It feels like the issue happens a lot when i'm using adobe flash, but i'm sure there is probably a more ...
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1answer
2k views

VMware Workstation wont let me add memory

When I attempt to edit the memory setting for my Windows XP virtual machine, The box is greyed out and I cannot make any changes. This is also true of attempting to move the slider. Any suggestions? ...
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3answers
2k views

VMware Workstation 10 running slow WinXP Pro SP3 32-bit

Just recently jumped onto the VMware bandwagon. Going to be using it mostly for games, especially old ones that don't run well on my host Win7 Ult.Ed 64-bit. I've setup everything and everything ...
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0answers
105 views

Getting best performance out of a virtual machine

Host Machine: Windows 8.1 Intel(R) Core(TM) i7-4700HQ CPU @ 2.40GHz 2.40 GHz RAM: 24GB System Type: 64 bit OS, x84 processor What I've been running as a virtual machine Windows 7 12GB Memory 2 ...
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1answer
4k views

Identifying root cause of high RAM usage in Paged Pool?

So I pulled up my Task Manager today, and found that out of my 16GB of RAM, 14.5GB was "in-use". Naturally, I switch to the Processes tab, click "show processes by all users", and sort by Working Set ...
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3answers
456 views

Why won't Windows 10 let me boot with new RAM?

Updated I have an ASRock H55M-GE motherboard. Currently it has 2X2GB RAM, for a total of 4 GB RAM. I thought I'd like to update the RAM, so, first I bought two new Kingston KVR16N11S8/4 4GB RAM ...
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0answers
18 views

No boot no beep

For Some reason my computer doesn't boot/post anymore, even though yesterday it shutdown properly. It turns on, the fans spin and the motherboard lights are lit. But the computer doesn't post and ...
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1answer
397 views

Dell XPS 12 Duo with 16 or 32 gigs of ram?

The Dell XPS 12 Duo has two SO-DIMM slots (at least according to the dell tech i talked to). Dell only lists up to 8 gigs of ram supported, but does anyone out there know whether or not I could use a ...
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1answer
37 views

Whats the difference between those two Samsung 4GB 2Rx8 PC3 - 10600S memories

Can someone expalain to me what is the difference between those two ram memories Samsung 4GB 2Rx8 PC3 - 10600S - 09 - 11 - F3 vs Samsung 4GB 2Rx8 PC3 - 10600S - 09 - 11 - F2 , i guess that those two ...
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3answers
4k views

Can a “Dual Rank Memory Module” be used as a single module and not have it affect other slots?

Current configuration My laptop is capable of supporting up to 32 GB. I presently have 4 slots filled with the following memory: Samsung 4GB PC3-12800 DDR3-1600MHz non-ECC Unbuffered CL11 ...
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2answers
23 views

Looking for compatible RAM [duplicate]

Here's what I have currently, and I'm looking to upgrade the RAM to 4Gb. Trouble is I have no idea what to buy! Main Circuit Board Board: ASUSTeK Computer INC. P5KPL-AM Serial Number: ...
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2answers
4k views

How much RAM can my laptop really support?

I have an Acer Aspire E1-571-6837 laptop and I've read on different sources that the maximum memory it can handle is 8GB of DDR3 (2x4GB, 4GB per slot), but I read here that the max memory the CPU can ...
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1answer
221 views

Memory compatibility?

I'm in the process of building a PC intended mostly for gaming and I've got a few questions. Currently, I only have the motherboard and CPU: Motherboard: GIGABYTE GA-Z68AP-D3 CPU: Intel Core i3-2120 ...
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1answer
319 views

Motherboard and RAM compatibility

My computer often freezes for few seconds when doing memory intensive operations, cause of 1 GB installed memory. Windows 7 starts to use Paging File but my hard drive is very slow and opening a basic ...
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2answers
245 views

Virtual Memory and MMU: when are they used and when not?

I'm wondering about how a Virtual Memory system could be managed alongside with a MMU when there's the need to mantain some "fixed" addresses in the address space. For example, when a machine boots ...
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2answers
618 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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1answer
75 views

Wrong total ram ( 8 GB installed, 4 appears and used in total )

I have this motherboard: GA-X38-DQ6 which can hold up to 8 GB of Ram. When I got this computer it had 4 memory sticks, 1 GB each, and everything was fine. Now, I have two sticks, 4 GB memory each: ...
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1answer
2k views

Down-clock 1600Mhz RAM on Macbook Pro Mid 2009

My Mac (Mid 2009- MacBookPro5,5) installing OS 10.8.2. Currently, it is using 2 x 1GB (1066 Mhz). My friend gave me 2 x 2GB (1600 Mhz) of his 2012 Mac. After installing 2 x 2GB (1600 Mhz) on my ...
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3answers
22 views

Upgrading RAM on ASUS X455LB Laptop

was this the proper forum for this question? So I have this laptop: ASUSX455LB Under the section for Memory it says: DDR3L 1600 MHz SDRAM, 1 x DIMM socket for expansion up to 8 GB SDRAM I'm ...
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2answers
25 views

ASRock x58 Extreme Motherboard Memory Layout

I am using the ASRock x58 Extreme Motherboard. I currently have installed 8GB of DDR3 (4 x 2GB) memory that is compatible with the MB. I recently received an additional 8 GB of DDR3 (2 x 4GB) RAM ...
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6answers
7k views

How to know which RAM I can/should buy for my PC?

I have a relatively old PC (5 years or more) which has only 1GB of RAM. I'm running on Windows 7 and unfortunately it doesn't like being so senile... I have a Gigabyte mother board but I have no ...
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1answer
57 views

Is 2 GB and 4 GB of RAM installed possible? [closed]

My motherboard has 2 slots of RAM. Is it possible for a 2 GB and 4 GB installed? will the computer show 6 GB usable? windows 7 64 bit, ddr3. thank you mates.
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1answer
74 views

Computer won't boot, UEFI beeps

It has been a couple days by now and I am still trying to find out what the problem of my PC is. I have made a short video of what is happening when I run my PC on and in this video you might notice I ...
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1answer
237 views

Kingston HyperX 4GB and Bus compatibility

I'm considering purchasing Kingston HyperX 4GB . I believe it has 2000 Bus.and i have a gigabyte G41M-Combo which support DDR3 1333 . Will that work?
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40 views

Error on Memtest86 with 2 Modules

When running memtest86 with new 2x4GB modules I get some million errors. Testing them individually results in no errors at all. I already increased the voltage from 1,5V to 1,6V. I also reduced the ...
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1answer
19 views

acer aspire x3995 desktop continuous beep on startup

PC was beeping 4 short beeps and after some google decided to move ram to a different slot. I didn't ground myself and now it continually beeps on startup. I have unplugged everything from mobo ...
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4answers
115k views

Linux: find out what process is using all the RAM?

Before actually asking, just to be clear: yes, I know about disk cache, and no, it is not my case :) Sorry, for this preamble :) I'm using CentOS 5. Every application in the system is swapping ...
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2answers
3k views

Physical Memory in Windows Task Manager

In Windows Task Manager under the Perofrmance tab, I see this under Physical Memory: Total 3582 Cached 867 Available 846 Free 11 How come the numbers don't add up to the total? What is the ...
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0answers
319 views

Motherboard won't POST with both RAM sticks in a channel [closed]

My motherboard does not POST when I fill both slots of a given channel. I have a Gigabyte G1 Sniper Z97. I am using 2x Gskill Ripjaw 4GB 1600 MHz sticks. When I populate DIMM 1 or 3 (the 2 slots ...
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1answer
265 views

Gigabyte GA-B75M-D3P motherboard won't start without second RAM module

I have following config: Gigabyte GA-B75M-D3P motherboard Intel Core i7-3770 CPU Kingston 2x8GB RAM (KHX1600C10D3B1K2/16G) Crucial M500 256 GB SSD RAM modules are inserted in 1st (called DDR3_1) ...
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2answers
2k views

Only half of RAM is recognized by BIOS

I got a Gigabyte GA-P35-DS3 motherboard. Some time ago I noticed that Windows only showed 2GB instead of 4GB. I don't know exactly what caused it anyway. I tried putting in each of the 4 x 1GB RAM ...
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1answer
108 views

Dell Optiplex 380 RAM upgrade

I own an optiplex 380 which currently has 2x2GB DDR3 RAM, now I am willing to upgrade to 8GB and I tested a Kingston ValueRam of 4GB @ 1333Mhz and my system beeped with 1 and 3 LED lights lit. So does ...
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1answer
102 views

Has anyone successfully added more than 8GB Ram to Dell 0K0DNP MB? [duplicate]

Has anyone successfully added more than 8GB Ram to Dell 0K0DNP MB? That is the maximum on the Dell site, but I know people have over-Ramed various computers. Although there are questions regarding ...
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0answers
26 views

Upgrading gcc, ghostcript and aliases

My problem has multiple faces and I will really appreciate if anyone can help me sort it out. The origin of the problem can be traced here: High memory usage of eps file So, I thought I better ...
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2answers
682 views

PC4200 Memory in Dell Precision T3400?

Is there any way to get PC4200 (ECC) memory to work in a Dell Precision T3400? The company purchased this machine a few months ago for us for dev work, but spec'ed it with 2GB of RAM. That doesn't ...
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2answers
21 views

memtest86 taking alot of time

Im new to using memtest, my problem is that ive been running memtest86 now for about 13hrs and its only 90% in pass 2/4 ?? Its currently showing 25 errors. My qúestion is: Is this in some way normal? ...
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1answer
32 views

So much memory being used and programs disappearing Mac OS

My computer is saying that too much memory is being used and is shutting down randomly. The only few programs I run are League occasionally, Skype and Parallels Desktop. I have 8GB on RAM and here is ...
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1answer
33 views

Kernel threads and process virtual address

If the kernel is spawned as threads and resides in the memory then how could the ps command identify them if those are not normal process and i give you more look here: root 2 0 0 ...
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0answers
54 views

eps files very high memory usage

I have been struggling with this problem from some time. Whenever I load an eps file into latex or even for simple viewing purpose, it consumes lots of RAM. Eg. a typical 300 kb eps file consumes ...
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3answers
10k views

Can RAM with a higher speed work?

I have the memory below and I am looking at using the one below it, would it be OK to use? It appears to be a faster speed, is that OK? Also, mine says PC 4200, the new one says PC 2 5300 and the ...
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1answer
33 views

Ubuntu only uses 768 MB instead of 1 GB ram

The specs of my laptop and BIOS say that I have 1 GB (1024MB) of ram. But when I use Ubuntu it says that I have only 768 MB. Is there a way to use all the ram that I have? I have Asus K53U laptop ...