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
10k 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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5answers
6k 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
1answer
509 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
641 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
6answers
4k 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 ...
3
votes
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
5answers
11k 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 ...
3
votes
1answer
367 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 ...
2
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5answers
28k 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 ...
2
votes
2answers
686 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
151 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
236 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
108 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
738 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
vote
3answers
141 views

Limiting RAM without physcially removing it

How do I limit the RAM which my OS sees without physically removing it from the machine ?
1
vote
2answers
2k 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 ...
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
2answers
95 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
134 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
vote
1answer
235 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
108 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
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2answers
2k 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
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0answers
94 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, ...
1
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0answers
1k 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 ...
0
votes
2answers
710 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
1answer
385 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
925 views

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

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
145 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
2answers
84 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
60 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?
0
votes
2answers
186 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
226 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
3answers
412 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 . ...
0
votes
1answer
80 views

How is HDDM (not RAM!) accessed, modified and addressed in modern computers? [closed]

Warning: yeah, I know that article of Wikipedia. It's just too difficult for me! I hope that there is some person who could explain it more simply... Background: I designed a 6-bit computer. It has ...
0
votes
1answer
431 views

Can I upgrade an Asus M51Sn laptop to 2x4GB of RAM? (DDR2)

My Asus M51Sn has 2 RAM slots which currently have 1x1GB + 1x2GB DDR2-800 SODimm RAM modules installed. I've found out that 4GB DDR2 SODimm modules do exist, though they are impossible to find in ...
0
votes
1answer
62 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 ...
0
votes
0answers
92 views

Windows fails to install when system has more than 4 GB of memory installed

A) My specs: Intel Core i3 MSI H55M-P31 (4 memory slots; dual channel) DDR3 1333 MHz 2 x 2 GB & 2 x 4 GB (were bought yesterday) and + 2 x 4 GB (borrowed from friend 100% working on other ...
0
votes
1answer
64 views

How to create and manage an img file on 256 MB RAM machine?

I completed the installation of Windows XP, MS Office 07, and some minor programs on a machine with 256 MB of RAM. I want to install all the identical on another three machines. Because of small ...
0
votes
1answer
2k views

Java JRE: Setting default heap size

I'm having trouble with Java on a virtual server, it always gives me the following error: # java Error occurred during initialization of VM Could not reserve enough space for object heap Could not ...
-1
votes
4answers
310 views

Why is it that 32bit Windows XP can only address 3GB [duplicate]

Possible Duplicates: Windows XP and RAM 3.5GB+ How to Check RAM Size without Looking at Motherboard If Windows XP is a 32-bit operating system, and 2^32 equals 4GB, why can't it support 4GB ...