The maximum amount of physical memory (RAM) that can be installed on a computer, which may be imposed by hardware or the operating system.

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13
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3answers
11k views

What are the Memory Limits for Windows 8?

With the Windows 7 Memory Limits seeming small to some people, what are the memory limits Microsoft have for Windows 8?
6
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2answers
2k views

Can I add another stick of 2 GB to a 32 bit Windows Starter system?

I am running Win 7 Starter 32-bit on an Acer Aspire, 2gb RAM. Will 2 extra GB Ram make my system faster? When I install the RAM system properties says that the system has 4 GB but only 2 is usable. ...
6
votes
5answers
9k views

Why is my system so slow when I have so much RAM?

So I have a computer with 3.45 GB of RAM according to my OS (XP). I have 2 GB virtual RAM. My company pushes Excel to its limits of referencing other worksheets which eats up a lot of resources. ...
5
votes
5answers
51k views

How to check if PAE is enabled? (Windows 7 32 bits)

How to tell for sure if PAE (Physical Address Extensions) is enabled or not? There is a SPECIFIC command I can use? I can read a registry value or something? (Windows 7 32 bits) I have found this ...
5
votes
1answer
2k views

Windows 8 never uses more than 8 GB memory although 16 GB are apparently available

I have Windows 8 64bit PC with 16 GB memory installed. All the memory is properly recognized on my Asus motherboard and also by Windows as shown in the picture below. I like to have many browser tabs ...
5
votes
5answers
2k views

Can some programs really access “unavailable” RAM on a 32-bit system?

Question I’ve seen some programs (especially RAM-drive software) that purport to being able to access the “unavailable RAM” on 32-bit systems (including XP). I’m wondering if they actually can, and ...
4
votes
5answers
12k views

Memory upgrade to 8GB on unibody MacBook

I bought the 13" unibody MacBook one month prior to it's upgrade to become the new improved 13" unibody MacBook Pro (with unopenable battery compartment, extra 3 hours of battery life, more color ...
4
votes
6answers
5k views

8GB, but have to run Windows Xp (32 Bit). Anything I can do with the additional memory?

I ordered a new computer with 8GB RAM with the plan to run Windows 7, 64Bit. Turns out now, that I need to run a 32Bit OS (XP or 7) due to some software which does not run on 64Bit yet (not even with ...
4
votes
2answers
607 views

Why does my CPU only support 32GB RAM when it has 39 address bits?

The following is the output of cat /proc/cpuinfo user@localhost:~$ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 60 model name : Intel(R) Core(TM) i3-...
3
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1answer
5k views

Application cannot access more than 4 GB on 64 bit processor

I am trying to run a memory intensive program which requires more than 4 GB memory. I am running it on a 64 bit processor, and I have 16 GB RAM (which is also visible to me). But the program crashes. ...
3
votes
1answer
628 views

Virtual Address Space limits in Windows NT: arbitrary for Itanium?

This MSDN article lists the virtual address space limits for current versions of Windows. I notice that for 32 bit systems the address space is divided into 2 GB user and 2 GB kernel, which makes ...
3
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2answers
771 views

ESXI only 4.7GB RAM available for VMs from 8GB of RAM. why so little?

I have an ESXI 6.0 with 8GB Ram. For some reason I can only use 4.7GB for VMs. I tried using esxtop but didnt see anything using lots of RAM. Below are screenshots from vsphere. Can anyone help me to ...
2
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1answer
490 views

What is the maximum memory (RAM) limit for Solaris 11?

I have been trying to find out the maximum memory limit for Solaris 11 for a report that I am doing but with no luck. Can anyone please help?
2
votes
2answers
1k views

Mobo supports 16GB; only 4x4GB or also 2x8GB?

My motherboard (gigabyte ga-ma790xt-ud4p) supports 16GB of DDR3 RAM. Does this mean that it supports only 4x4GB or also other distributions, like 2x8GB or 1x16GB?
2
votes
2answers
179 views

HP G60-552NR Memory

This is a two part question. how much memory can I install in this computer, not how much is recommended. Can you go beyond 8G How much faster is the PC 6400 to PC 5300 chip?
2
votes
1answer
301 views

Can 2 Modules Of 2GB Activate Dual-Channel In Windows XP Home 32-bit?

Windows XP Home is 32-bit and it allows only to use approximately 3.25GB of RAM. If i buy 2 modules of 2GB, will dual-channel still work even though Windows sees only 3.25GB of RAM?
2
votes
1answer
334 views

Can I mix 2*2 memory sticks with 2*4 in a Imac 27 i5

I have an iMac 27" with 2x 2GB memory sticks. Can I add 2x 4GB memory sticks? Does it matter how they are installed in the system?
2
votes
1answer
2k views

How can I limit Safari's RAM use?

Safari uses a lot of RAM. Especially when you add Safari's use to WebProcess's use: it comes to about 1.5 GB of memory (for me, anyway). How can I limit the amount of RAM Safari and WebProcess use? I ...
2
votes
1answer
1k views

How can I configure Firefox to assume I have less memory?

Firefox has a few different settings that automatically get tuned based on the system ram. This is all great if you're running nothing besides Firefox, but when you're running half a dozen apps at the ...
2
votes
0answers
1k views

Default maximum heap size — Ubuntu 10.04 LTS, openjdk6-jre

I just installed openjdk6-jre on Ubuntu 10.04 java version "1.6.0_20" OpenJDK Runtime Environment (IcedTea6 1.9.2) (6b20-1.9.2-0ubuntu1~10.04.1) OpenJDK 64-Bit Server VM (build 19.0-b09, mixed mode) ...
1
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3answers
155 views

Limiting RAM without physically removing it?

How do I limit the RAM which my OS sees without physically removing it from the machine ?
1
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2answers
3k views

Why is the usable memory on my Macbook pro shown as 2.74 Gb when there is 4GB installed with 32bit Windows 7? [duplicate]

Possible Duplicate: Windows XP and RAM 3.5GB+ Installed RAM : 4 GB but 2.96GB Usable......why? I have a Macbook Pro with 4GB of installed RAM. I have installed Windows 7 on it which shows ...
1
vote
3answers
1k views

I have a very old laptop, and would like a small linux distro for it

I have a very old laptop. It runs Windows ME, slowly. It has too little memory to run Ubunto off the CD. It showed the text/list based UI that gives the option of trying so or just installing it on ...
1
vote
1answer
151 views

Couldn't reserve memory though there's space

I am trying to use Weka (http://www.cs.waikato.ac.nz/ml/weka/) on a 64-bit Windows 7 system which is by nature very memory bound. Problem is that my PC has 8GB RAM and my task manager says that only 1....
1
vote
2answers
144 views

Memory addresses on disk

If i had 160 GB of hard drive on a 32 bit OS what is the largest possible memory address? and if a 32 bit pointer can map upto 4 GB of memory how is it possible to map an address above 4 GB?
1
vote
1answer
77 views

Out of physical memory on notebook - Correct approach?

I have a Fedora 21 on my notebook and it sometimes runs out of memory. The notebook has 4GB of system RAM and the OS takes up only about 450MB of disk space. I am sure that the culprit is Chromium; ...
1
vote
1answer
602 views

RAM limited to 12GB by motherboard?

I want to add more RAM to my motherboard (ASUS P6T) and I was looking through the manual and found this under the specifications: I'm guessing this means 12GB total? I asked somebody else and he ...
1
vote
1answer
243 views

Restrict maximum ram on windows 7

I have a problem with my ram on my windows7 64bit - it's too much ;) Some of my old software can't handle the 8gb of ram i have, but there is a possibility to limit it, so windows uses all in all ...
1
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2answers
2k views

Does Lenovo T400 can only work with up to 4GB RAM?

Does Lenovo T400 only work with up to 4GB RAM? On the detailed specifications for the Lenovo T400, it says "512 MB, 1 GB, 2GB, or 4GB memory" and "Supports up to 4GB maximum memory". Is it for the ...
1
vote
1answer
242 views

Can I install more than 4GB Ram on my mid-2008 macbook pro? [duplicate]

Possible Duplicate: How do I determine which MacBook hardware version I have? (for RAM purchase) I have a mid-2008 Penryn 2.5 GHz with 800 MHz bus speed. I have read that these machines can ...
1
vote
2answers
110 views

2 GB of memory in 1 GB system is a problem?

I just installed 2 1 Gig sticks into my friend's machine, thinking that it would take all the 2 GBs. Unfortunately, according to Dell's website, it says the maximum amount of memory accessible to the ...
1
vote
1answer
65 views

dmidecode - which section exactly report maximum amount of supported RAM

Manufacturer of my motherboard reports a maximum of 4GB (2GB on each slot, it has two memory slot). By reading dmidecode output I read: Memory Controller Information Error Detecting Method: 8-...
1
vote
1answer
109 views

Computer Architecture : DDR3 Memory Technology - Slot Capacity Scaling

Speaking in terms of Computer Architecture, what are the characteristics embedded in a DDR3 memory module or the host slot, such that a user cannot put a larger RAM than the per-slot specification of ...
1
vote
2answers
117 views

OS freeze when OS starts to swap memory

Background: I have 16 GB of memory in my machine. When my machine uses already 15 GB of memory and my application allocates another chunk of 2 GB memory I run out of physical memory and swapping (...
1
vote
2answers
3k views

Intel(R) 82865G limited to MAX 96 MB Mem - Any way to override and increase?

I have an old HP desktop with an onboard Intel 82865G running Windows XP (SP3), and while it does 1920x1080, if something requires more than 96 MB of video memory, it crashes, or fails, or generates ...
1
vote
0answers
23 views

Install yesod with stack on a 512 MB-memory server

I'm trying to install yesod in a server running Ubuntu 14.04 with stack, running: stack install yesod-bin cabal-install --install-ghc The problem is, the system runs out of memory and installation ...
1
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0answers
139 views

Windows 10 machine with 64GB of RAM but only 32GB is ever used [closed]

My computer has 64GB of ram and it shows 64GB in task manager. However when running a lot of programs the maximum memory usage it will get to is exactly 32GB or 50%. Any ideas what's capping the ...
1
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0answers
94 views

Limit process ram but force swap instead of kill

I am currently quite frustrated with meteor. I am going to make my own telescope modification via the official repository on my hosting service of choice. The only problem is that meteor builds the ...
1
vote
0answers
139 views

Windows memory leak detection to overcome rapid memory allocation leading to unresponsiveness

As a diverse application developer, by sheer "luck" and a combination of Murphy's law, one may hit situations in which either a memory leak occurs or rapid unwanted allocation of memory resources, ...
0
votes
2answers
743 views

Is ReadyBoost necessary when Windows 7 has enough memory?

According to Microsoft ReadyBoost is designed to help when your PC's memory is running low. Low memory can make your computer sluggish because Windows, which needs a place to stash data, turns to ...
0
votes
2answers
244 views

Maximum main memory possible for 32 bit instruction word and 7 bit opcode

If we have a system with 32 bit instruction words from which 7 bits are dedicated for the opcodes; is the maximum main memory possible for such a system, 2^32 words or is it 2^25 words?
0
votes
1answer
685 views

Why does a 32bit Vista only use 3GB RAM? [duplicate]

A 32bit Window Vista Home Premium installed as a virtual machine does not use more than 3071GB RAM regardless how much is configured in the VM settings. PAE is enabled according to WMI. Strange is ...
0
votes
1answer
2k views

How do I determine the maximum RAM installable in a Dell Inspiron 15R SE? [duplicate]

I'm looking for a new laptop and the Dell Inspiron 15R SE seems a pretty good fit for my requirements. However, I can't find the maximum RAM capacity anywhere in the spec. It seems Dell don't ship ...
0
votes
1answer
202 views

How is this even possible? PHP Memory Error — allowed memory size bytes exhausted.

Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 1540673 bytes) in /home/appdev/glicious/Nutrition.php on line 41 If you haven't noticed, 1540673 is two orders of ...
0
votes
3answers
608 views

Asus P6X58-E WS motherboard memory limits

I've just ordered motherboard Asus P6X58-E WS, and now I'm, looking for memory for it. It has 6 slots, but the strange thing is, that in specifications it says that it is limited to 24G of memory . I'...
0
votes
2answers
90 views

SantaRosa and RAM limit

I have a notebook on the SantaRosa platform (HP 6710s) in the manual it says that it can use 2GB RAM memory strips max. (there are two slots so 4 GB total). I wonder what would happen if I try to put ...
0
votes
1answer
266 views

Windows 10 Professional 64-bit limited to 32 GB of RAM?

I have a system running Windows 10 Professional and in the system I have installed 4 identical sticks of 16GB RAM, making a total of 64GB. Yet my system only reads a total of 32GB when checking ...
0
votes
2answers
194 views

Optimal Legacy Data Recovery LiveCD?

I'm fixing someone's computer. It has 256MB RAM and a 1.3GHZ processor (or in that range). As the Windows (XP) install is borked, I would like to copy over all of the files on it to pick through on ...
0
votes
1answer
311 views

Why does the ASUS G74SX (and other computers) come with less RAM than capcity?

Why does the ASUS G74SX (and other computers) come with less RAM than capcity? They packaged it with 12gb of RAM, but the motherboard holds up to 16gb. I looked online and the extra 4gb cost about $...
0
votes
2answers
100 views

RAM Limitation on 64 bit arch

I see that there are a lot of places mentioning 16 EB RAM limitation... However, isn't a modern register 64 bit? and if so, 2^64 should point to the number of registers possible and since they are ...