The memory tag has no wiki summary.
2
votes
1answer
37 views
How many times can data be read from a USB flash drive?
While I am aware that performing writes on a USB flash drive degrades the life expectancy of the device. I have heard the quantity of writes is anywhere from 100 thousand to 10 million, but I have ...
3
votes
3answers
58 views
Upgrading RAM - Motherboard Support?
According to my motherboard manufacturer the max amount of RAM I can use is 8GB. Why am I limited to 8GB? I have only two slots but I know I can buy 2 8GB sticks to get to 16GB and I am running a ...
6
votes
2answers
106 views
I have 4 GB RAM, but the system only reports 3 GB? [closed]
Possible Duplicate:
Windows 7 64-bit is only using 3 GB out of 4 GB
My HP HDX 16 laptop has 4GB of ram and runs a 64-bit system. I always go into Dxdiag for some reason and i always see it ...
0
votes
0answers
7 views
mpirun -np N, what if N is larger than my core number?
Say I have a 4-core workstation, what would linux (Ubuntu) do if I execute
mpirun -np 9 XXX
Q1. Will 9 run immediately together, or they will run 4 after 4?
Q2. I suppose that using 9 is not good, ...
0
votes
0answers
38 views
Which RAM configuration for a desktop upgrade?
I am trying to increase the RAM of my home computer, but I am unsure as to how much each aspect of RAM should be weighted (as to which is more important).
My motherboard has 6 slots, so I believe it ...
2
votes
1answer
25 views
RAM issue with Dell XPS 1640
I have this laptop from 2009
N07X1604
STUDIO XPS 16 : INTEL CORE 2 DUO T9900(3
MEMORY : 4096MB (2X2048) 1067MHZ DDR3 DU
As you see, it comes with 2 modules of 2gb 1067MHZ DDR3.
Now I have searched ...
0
votes
0answers
51 views
Why does DDR3 1866 RAM crash UEFI BIOS & DDR3 1333 Does not?
I have an ASUS Sabertooth 990FX Motherboard, with an AMD FX8150 processor, and Crossfired (2) Sapphire 6870 1GB GDDR5 PCI E 2.1 x16 Video Cards. The memory is PNY DDR3 1866 (4) 4GB sticks for a total ...
2
votes
0answers
100 views
Why is dwm.exe using so much memory?
I've scoured the web, but I'm sick of reading "scan your computer for viruses" and "upgrade your RAM" on answers to similar questions to this. I understand that dwm.exe is for (simply put) caching ...
1
vote
1answer
52 views
How do I upgrade my graphics on my laptop?
I recently bought an HP dv6 6180us laptop. The PDF datasheet says that I have a Radeon HD 6770M switchable graphics card with 1024 MB of GDDR5 RAM and up to 4096 MB total graphics memory.
How am I ...
2
votes
0answers
23 views
How big is PATA throughput on original Macbook Air (Rev A)?
I still have one of the original Macbook Air's that I use sometimes. It's got 2Gb of RAM and whenever it's filling up and starts paging, the whole things becomes barely responsive.
I've heard SSD's ...
2
votes
2answers
37 views
Looking for PHP memory/CPU graph generator
Basically, that's what I'm looking for. I want an app that makes a live graph of the server's CPU and RAM usage. Is there anything like this?
0
votes
2answers
59 views
Is this the correct way to slot in RAM and is the number okay?
I was using a 2GB DDR3 ram stick on my last Computer, I got a new motherboard which had an offer for 4GB so I took it, got home and discovered it was actually 8 GB DDR3 RAM, two identical 4GB sticks. ...
1
vote
0answers
54 views
Computer Lockup
I have a small computer that I am running a video application on (video conferencing-style). At inconsistent times, it will 'lock up' - video will freeze, if I am telneting into it from another ...
0
votes
2answers
99 views
500MB memory loss with nvidia nvs 295 graphics
I have NVIDIA Quadro NVS 295 graphics card, asus P5B moherboard with 4GB memory, bios 2104, Intel Core 2 Duo E6300.
After inserting NVS 295 graphics, with 256MB, bios sees only 3,5 GB of memory ...
3
votes
2answers
41 views
Want to install new DDR1 RAM. Will this work?
CPU-Z reads Currently Installed Memory as:
DDR 512 MB PC3200 (200 MHZ)
DRAM Frequency : 133.4 MHZ
FSB : DRAM : 1:1
Mainboard supports upto 2 memory sticks each of 1 GB.
I recently bought DDR1 512MB ...
1
vote
1answer
106 views
Desktop Configuration: More than 32GB RAM
For Particle Simulations, I considered upgrading my desktop PC. I would be willing to invest into 64GB of RAM, but as I have checked, all desktop motherboards have maximum memory limits of 32GB.
What ...
0
votes
3answers
53 views
Which RAM to upgrade MacBook 5,2?
I am trying to buy ram to upgrade a MacBook bought in Mid 2009. It is the 13 inch MacBook 5,2.
This document gives some specs on the ram. It says DDR2, but does anyone know if DDR3 will also work?
...
10
votes
2answers
301 views
How to check if two memory modules are being used with dual channel?
I have two 1333 DDR3 memory modules with different brands. I wonder if they can be used in a dual channel setup. How can I check that?
2
votes
0answers
51 views
New RAM sticks don't work with old ones
I bought and placed an additional 2GB of RAM in my notebook. I went to the setup screen, and appears there, I added the memory (2GB + 2GB = 4GB).
When I continued to boot the notebook, the screen ...
0
votes
0answers
50 views
Motherboard Issue - 3 Beep Bios (memory error) despite new RAM
I have an Intel dG43RK motherboard, bought new and sealed, and have tried two different brands and speeds of RAM with a 3-beep BIOS indicating a memory error, which also occurs without RAM installed ...
1
vote
1answer
42 views
memory with different speeds
What would be better?
Having all 4 of these in my rig:
DDR2 SDRAM DDR2 667 (PC2 5300) 2x @2gb each and DDR2 SDRAM DDR2 800 (PC2 6400) 2x @2gb each
Or just the:
DDR2 SDRAM DDR2 800 (PC2 6400) 2x ...
3
votes
1answer
40 views
Is there a performance hit when using unbalanced DDR3 RAM memories?
I have a 4096 MB and a 1024 MB DDR3 memory stick. They both have the same clock.
I know they won't work in dual channel speeds because they have different sizes.
But will they work better alone than ...
3
votes
1answer
68 views
Can't open 6 MB file in Paint, error says there is not enough RAM
I have a JPG file of 6 MB. It can be opened by AI or Photoshop but when I try to open it with Paint, an error message is saying that there is not enough RAM or resources to open the file.
I wonder ...
0
votes
4answers
108 views
Windows 7 - Installed memory not available in Windows
ASRock Z68 Extreme 4 MB
Core i7-2600K @ 3.4
Installed memory: 8.00 GB (1.92 GB usable from Windows) 2x 4GB mem sticks (2x2GB)
Windows 7 - 32 bit
A week ago, I had (3.8 GB usable), which I expected ...
0
votes
1answer
44 views
Difference in RAM speed (533MHz vs. 667) for an older iMac
I have an iMac (late 2006 Core 2 Duo model) that originally came with two 512MB DDR2 533MHz for a total of 1 Gig.
About 2 years ago, I replaced one of them with a 2GB DDR2 800MHz.
Now, I have recently ...
1
vote
1answer
82 views
Is there a faster way to test RAM than memtest86+?
I have a couple of PCs with 8GB of RAM and for quick checks I'm using an Ubuntu live CD, but in case of troubles I have to resort to memtest86+. However, memtest86+ is taking quite a while to ...
1
vote
2answers
145 views
Using 16 GB RAM for FancyCache?
I'm currently using 4 GB of RAM as a RAM-cache using FancyCache, it's caching my SSD. It's working very well with games as load times are almost zero, it's also working well with the Adobe suite. It's ...
-3
votes
1answer
28 views
Large (in sizer and storage) Mp3 player? [closed]
I'm looking for an MP3 Player, prefferably one that's big/bulky (harder to loose), and is under $100.00 with at the very least 20GB's of memory. I've been using my Blackberry but switching song while ...
1
vote
1answer
113 views
Choosing RAM for a new system: 1x8GB, 2x4GB, 4x2GB [closed]
I am currently researching parts for a computer I am building completely from scratch. I am planning on getting a motherboard that supports maximum 32GB of ram with four card slots, a pretty common ...
1
vote
0answers
48 views
Nexus S RAM upgrade [migrated]
I'm sure many people like me are aware and annoyed by the extremely limited amount of RAM in Nexus S (512MB but only 300+ is usable), I have searched all over google for a solution to increase the ...
0
votes
3answers
85 views
Memory, more frequency, or more capacity?
My question my be simple, but I haven't been able to find an answer myself yet.
If you had the choice of getting either 24 GB of ram at 1333 MHz, or 12 GB @ 1600 MHz, which would you choose?
I know ...
0
votes
1answer
97 views
Memory timings in CPU-Z : Memory and SPD tab discrepancy - What do they mean?
When I run CPU-Z in my netbook, in the memory tab, the timings displayed are 5-5-5-15, but in the SPD tab, the timings are 5-5-5-18 (JEDEC #3).
What do the differences in the timings between the tabs ...
0
votes
1answer
59 views
no POST while booting. monitor not displaying anything
The monitor not displaying anything.
I don't hear the POST signal as well. ( the beep while booting )
Things that I have tried.
Connected MONITOR to laptop ( which I am using currently ), ...
1
vote
5answers
236 views
Is is neccessary to reinstall your OS after adding more RAM?
I know my question today is subjective but I feel it requires some debate to once and for all put this myth to bed.
I've heard some myths and i'm not sure if it's true or false, but basically, the ...
0
votes
0answers
20 views
why do OS's sometimes disable caching for a memory mapped page in a page table?
I am reviewing notes for an OS exam and see that sometimes page tables have a disable caching bit, which is sometimes used in cases of memory mapped I/O. I get that memory mapped i/o takes some part ...
2
votes
1answer
40 views
Switching RAM modules fixes boot hiccups. Why?
I have a rather old motherboard with 4 DDR2 slots, all occupied.
I bought the board, RAM modules, and CPU from an acquaintance, second hand, so I do not know the exact history of the problem.
The ...
0
votes
0answers
132 views
Monitor AMD/ATI GPU memory usage under linux
Is there a way to monitor the GPU memory usage of ATI graphic cards under linux?
I found several solutions for nVidia graphic cards, but nothing for ATI graphic cards.
It might be possible with ...
2
votes
3answers
125 views
How could I limit or even disable file cache on Windows Server 2008R2?
There is a machine, with a very fast RAID array, and a fast internet connection. But, it only got 8gb of mem, which runs out really quick, when the upload goes up.
Any ideas how could I disable, or ...
1
vote
4answers
164 views
Is this 1333 MHz Corsair memory compatible with my 1066 MHz MacBook 6.1?
My MacBook is 6.1 2.26 Intel Core2 Duo, 1066 MHz FSB (MC207*/A). Corsair memory is Mac Memory 8 GB DDR3 SODIMM (CMSA8GX3M1A1333C9). It says "supports memory bus speeds of up to 1333 MHz".
Is it safe ...
0
votes
1answer
58 views
How to edit specific part of large text file efficiently? [closed]
Possible Duplicate:
Is there a text editor for very big files?
How to edit specific part of large text file efficiently? The text file is has only ASCII characters and is about 500 MB. I ...
0
votes
2answers
24 views
on linux, what is DATA in top command output for java application?
I have a JBoss application running on linux platform, it has top output like below(not accurate data actually):
PID USER PR NI VIRT RES SHR S %CPU %MEM CODE DATA TIME+ COMMAND
1379 ...
0
votes
1answer
130 views
Windows 7 Hard fault / Page fault and memory bottleneck
Windows 7 resmon displays 0 hard faults.
But perfmon shows pagefault around 60 and perfmon /report tells me my system swaps actively.
AFAIK not every page fault is hard fault: page could be stored ...
0
votes
1answer
99 views
How can I find out which type of RAM I need for my laptop? [closed]
Possible Duplicate:
How can I tell what RAM will fit my computer?
I just bought an HP Laptop at Fry's and it has 6 GB of memory. I want to upgrade to
8. The problem is that I don't know ...
0
votes
1answer
43 views
git cannot allocate memory - git svn rebase
I cannot run git svn rebase in my repository as I am getting:
Can't fork: Cannot allocate memory at /usr/share/perl5/vendor_perl/Git.pm line 1262
The output of free indicates I have plenty of free ...
0
votes
1answer
56 views
PC Crush-Reboot After Exactly One Hour
My PC has been powering down and rebooting after exactly one hour every time I turn the thing on. It's been happening for about 3 weeks now. The spec of my self-built machine (rough in places sorry) ...
2
votes
5answers
129 views
Running Windows with defective RAM
Is it possible to run Windows (7, x64) with a defective RAM module? More precisely, is there some way to tell Windows not to allocate a known bad address or block of addresses?
For Linux, there is ...
0
votes
2answers
67 views
Define max available RAM size
Is that possible to determine maximum memory (RAM) size on my computer?
As you know there are a lot of mother boards that do not support memory beyond some upper board limit. I would like to increase ...
1
vote
1answer
112 views
DDR2 woes on HP DC7800
My desktop (HP dc7800) has two 1GB DDR3 modules in it, and slot for 2 more.
I tried to add (working) 2x1GB sticks of DDR2, 667, PC5300U. But got angry beeps and no boot. Any ideas?
Current memory: ...
1
vote
4answers
55 views
Memtest86+ inconsistent results
I have 16GB RAM as four separate 4GB cards. I ran memtest86+ on my PC and got about 3000 errors. Then I removed three rams and ran the test on one ram at one time. None of the rams separately showed ...
1
vote
2answers
133 views
How to monitor memory usage for alarming purpose
We have embedded Linux system without swap.
Currenly we must raise alarm when memory usage % increases over a threashold.
And reboot when memory usage % increases over a (higher) threshold.
Why we ...
