Question about Toshiba Satellite A105 Notebook

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Manual says virtually nothing about adding memory

Need to know maximum amount of memory, and what type of memory (SD?), it will take.

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If it's a newer laptop, generally the maximum is 4 Gigs. If it have an SD card slot, it will take SD cards. Most other cards can be made to work with an SD card slot if you buy an adapter. If it doesn't have a card slot, you can buy a multi-card reader for USB for under $20.

Posted on Feb 27, 2009

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Posted on Jan 02, 2017

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Virtual memory


  1. Right-click "My Computer" and choose "Properties"
  2. On the Advanced tab, under Performance, click "Settings".
  3. On the Advanced tab, under Virtual memory, click "Change".
  4. Under Drive [Volume Label], click the drive that contains the paging file you want to change.
  5. Under Paging file size for selected drive, click "Custom size", and type a new paging file size in megabytes in the Initial size (MB) or Maximum size (MB) box, and then click "Set".
Virtual Memory should be roughly 1.5 x the size of your installed RAM in case all data stored in Memory has to be written to the hard drive.
Don't forget to click "Set" after you entered the values, just clicking "OK" is not enough!

Just a tip: You can set the VM to "0", reboot your computer and then defragment the hard drive. When that is complete and you allocate the new VM space, it will reserve a continuous space on your drive, which results in better access times.

Let me know if you have any questions!

Jan 06, 2013 | Computers & Internet

Tip

Virtual memory Information.


Tutorial Objective

This tutorial talks about anything about the virtual memory and how much virtual memory you need for your system.


Tutorial Introduction & Background

Today application is getting bigger and bigger. Therefore, it requires a bigger system memory in order for the system to hold the application data, instruction, and thread and to load it. The system needs to copy the application data from the HDD into the system memory in order for it to process and execute the data. Once the memory gets filled up with data, the system will stop loading the program. In this case, users need to add more memory onto their system to support that intense application. However, adding more system memory costs the money and the normal user only needs to run the the intense application that requires the memory only for one or two days. Therefore, virtual memory is introduced to solve that type of problem.


Terminology & Explanation

There are two types of memory, which are as follows:

* System Memory is a memory that is used to store the application data and instruction in order for the system to process and execute that application data and instruction. When you install the memory sticks to increase the system RAM, you are adding more system memory. System Memory can be known as either the physical memory or the main memory.

* Virtual Memory is a memory that uses a portion of HDD space as the memory to store the application data and instruction that the system deemed it doesn't need to process for now. Virtual Memory can be known as the logical memory, and it controls by the Operating System, which is Microsoft Windows. Adding the Virtual Memory can be done in system configuration.


Tutorial Information & Facts or Implementation

Virtual Memory is a HDD space that uses some portion of it as the memory. It is used to store application data and instruction that is currently not needed to be process by the system.

During the program loading process, the system will copy the application data and its instruction from the HDD into the main memory (system memory). Therefore the system can use its resources such as CPU to process and execute it. Once the system memory gets filled up, the system will start moving some of the data and instruction that don't need to process anymore into the Virtual Memory until those data and instruction need to process again. So the system can call the next application data and instruction and copy it into the main memory in order for the system to process the rest and load the program. When the data and instruction that is in the Virtual Memory needs to process again, the system will first check the main memory for its space. If there is space, it will simply swap those into the main memory. If there are not any space left for the main memory, the system will first check the main memory and move any data and instructions that doesn't need to be process into the Virtual Memory. And then swap the data and instruction that need to be process by the system from the Virtual Memory into the main memory.

Having too low of Virtual Memory size or large Virtual Memory size (meaning the size that is above double of the system memory) is not a good idea. If you set the Virtual Memory too low, then the OS will keep issuing an error message that states either Not enough memory or Virtual too low. This is because some portion of the system memory are used to store the OS Kernel, and it requires to be remain in the main memory all the time. Therefore the system needs to have a space to store the not currently needed process data and instruction when the main memory get filled up. If you set the Virtual Memory size too large to support the intensive application, it is also not a good idea. Because it will create the performance lagging, and even it will take the HDD free space. The system needs to transfer the application data and instruction back and forth between the Virtual Memory and the System Memory. Therefore, that is not a good idea. The ideal size for the Virtual Memory is the default size of Virtual Memory, and it should not be exceed the value of the triple size of system memory.

To determine how much virtual memory you need, since the user's system contains the different amount of RAM, it is based on the system. By default, the OS will set the appropriate size for Virtual Memory. The default and appropriate size of Virtual Memory is:

CODE
* 1.5 =
.

For example, if your system contains 256 MB of RAM, you should set 384 MB for Virtual Memory.

CODE
256 MB of RAM (Main Memory) * 1.5 = 384 MB for Virtual Memory


If you would like to determine how much the Virtual Memory is for your system and/or would like to configure and add more virtual memory, follow the procedure that is shown below. The following procedure is based on windows XP Professional.

1-1) Go to right-click My Computer and choose Properties

1-2) In the System Properties dialog box, go to Advanced tab

1-3) Click Settings button that is from the Performance frame

1-4) Once the Performance Options shows up on the screen, go to Advanced tab

1-5) Under the Advanced tab, click the Change button from the Virtual Memory frame to access to the Virtual Memory setting

Then the Virtual Memory dialog box appears on the screen. In there, you are able to check how much the Virtual Memory you set. If you would like to modify the size of Virtual Memory, follow the procedure that is shown below.

2-1) In there, select the drive letter that is used to install the Operating System

2-2) Choose the option that says, "Custom Size:"

Once you choose that option, the setting for Initial Size and Maximum Size become available for you to set. Initial Size (MB) means the actual size of Virtual Memory, and Maximum Size (MB) means the maximum size of Virtual Memory that is allowed to use.

Let's say if your system contains 512 MB of RAM, then the ideal setting for the Virtual Memory is as follows:

CODE

Initial Size (MB): 768
Maximum Size (MB): 1500


Once you are happy with that Virtual Memory size, click the Set button from Paging file size for selected drive to apply the setting for the Virtual Memory size. Then click the OK button to apply the setting.

That's where you can manage and configure for the size of Virtual Memory.


Additional Information

* To maintain the good overall system performance, you should be using the default size of actual size for Virtual Memory and the triple the value of the size of the main memory for the maximum size of Virtual Memory. If you find that main memory plus virtual memory is not big enough to load the intensive application, then you will need to add more main memory onto your system.


Search Keyword

virtual memory

on Dec 02, 2009 | Computers & Internet

Tip

Virtual memory settings


Windows XP




1. Click Start, right-click My Computer, and then click Properties.
2. Click the Advanced tab. In the Performance section, click Settings.
3. Click the Advanced tab. In the Virtual memory section, click Change.
4. The hard disk drive that is used for virtual memory will usually be the
5. same disk drive that Windows is installed on. Both the Initial and Maximum settings should be less than the reported Space available on the hard disk drive. The Initial size setting for the virtual memory settings should be approximately 200 MB in size but should be higher than or equal to the recommended paging file size as indicated in the lower section of the screen.

Once the initial size is set, Windows will reserve this amount of space on the hard disk drive for virtual memory and it will not be available to save information on.

The maximum amount allowable can be anything above the Initial size setting, but it is recommended that it be at least twice the Initial size setting

on Apr 27, 2008 | HP Pavilion a1410n (ER890AA) PC Desktop

1 Answer

Slow needs more memory what do i need to do


You are stuck with the amount of memory installed in the machine as there is no method for adding additional RAM to your machine. 128M is the maximum. You can add storage memory in the for of SD Memory cards or USB disk or thumb drives, but it is not available to your system for RAM.

Mar 29, 2011 | Sylvania G-Netbook

1 Answer

How to increase virtuall memory


For Win XP;
1.Click Start, and then click Control Panel.
2.Click Performance and Maintenance, and then click System.
3.On the Advanced tab, under Performance, click Settings.
4.On the Advanced tab, under Virtual memory, click Change.
5.Under Drive [Volume Label], click the drive that contains the paging file that you want to change.
6.Under Paging file size for selected drive, click to Custom size check box. You can enter the amount of memory you would like to reserve for Virtual memory by entering the initial and maximum size.
7.Click Set
When you are prompted to restart the computer, click Yes.
Special Note: You should choose the same amount for the initial size and maximum size. This will Stop your CPU from constantly changing the paging file.

Aug 10, 2010 | Computers & Internet

1 Answer

Maximum amount of RAM


Go to www.crucial.com and use memory selector.

Otherwise, give them a phone call.

If this helps please vote for my solution.

Feb 16, 2010 | Computers & Internet

1 Answer

Newer system with higher performance specifications


To maximize the best performance for your model, you would need

- Highest CPU 1.80GHz
- Maximum memory amount installed (2 x 512MB PC2700 DDR)
- Virtual Memory / Paging File size set correctly
- Use 1GB Flash Memory Drive as additional Virtual Memory
- Hard Disk with highest RPM (7200)
- Minimum programs in startup items
- Install FreeRAM XP Pro 1.52
- Windows XP Professional SP3
- Low resource using Antivirus (Norton 360 v3.5)
- Use Laptop Cooling Pad to keep components cool

At some point, if you want to have a fast performing machine to run newer operating systems, and a higher video card size for media and games, ultimately you should invest in a newer system, then adding harder to locate more pricey components to an older machine.

Adding new hardware to a desktop can be somewhat straightforward for a non-tech. Adding these same componenets to a laptop, is no so easy for the untrained, and can cause damage to other components, not to mention labour costs can get to be quite high.

I hope this helps.

Jan 10, 2010 | Compaq Evo N1000C Notebook

5 Answers

Virtual memory is low computer is very slow


hello frnd, you can increse your virtual memory manually...

1.go to properties of my computer
2.go to advance tab...
3. there is option to change virtual memory.
4.click on it and change virtual memory accordingly..

hope this will help you

Jun 30, 2009 | Dell Dimension 2400 PC Desktop

5 Answers

Can't run Brain Play Jumpstart Spanish from Scholastic


How to increase Virtual Memory?

In Windows XP
1.Click Start, and then click Control Panel.
2.Click Performance and Maintenance, and then click System.
3.On the Advanced tab, under Performance, click Settings.
4.On the Advanced tab, under Virtual memory, click Change.
5.Under Drive [Volume Label], click the drive that contains the paging file that you want to change.
6.Under Paging file size for selected drive, click to Custom size check box. You can enter the amount of memory you would like to reserve for Virtual memory by entering the initial and maximum size.
7.Click Set
When you are prompted to restart the computer, click Yes.
Special Note: You should choose the same amount for the initial size and maximum size. This will Stop your CPU from constantly changing the paging file.

HOT TIP: To stop your CPU from constantly changing the paging file, set the initial and maximum size to the same value. For example, 500 and 500. The value should be at least 1.5 times more than your physical RAM. If your computer has 512MB of RAM increase the virtual memory paging file to 1.5*512= 768

In Vista

1. Click Start button Picture of the Start button
2. Click Control Panel
3. Choose System and Maintenance and then click System.
4. In the left pane, click Advanced system settings.
5.On the Advanced tab, under Performance, click Settings.
6. Click the Advanced tab, and then, under Virtual memory, choose Change.
7. Click Custom to change the Initial size (MB) and Maximum size. See the hot tip above.
virtualmemoryadvancedtab.png

virtualmemorychange.png

virtualmemoryset.png

Remember to choose the drive you would like to use to increase the virtual memory. In most cases it usually your C: Drive. You can set the initial size and maximum size after clicking the Custom size check box.Remember its better to keep the Virtual memory values the same.

Also having enough available space is absolutely necessary for your virtual memory and RAM to function properly.

May 13, 2009 | Vivendi Jumpstart Spanish (72019) for PC,...

1 Answer

Copy memory on HP L7580


sounds like you need to change your virtual memory settings or buy more RAM.
Here is how to change the settings:
I am assuming you use WINXP

  1. Click Start , right-click My Computer , and then click Properties .
  2. Click the Advanced tab.
  3. In the Performance section, click Settings .
  4. Click the Advanced tab.
  5. In the Virtual memory section, click Change . Both the Initial and Maximum settings should be less than the reported Space available on the hard disk drive. The Initial size setting for the virtual memory settings should be about 200 MB, and should be higher than or equal to the recommended paging file size shown in the lower section of the dialog box. When you set the initial size, Windows reserves on the hard disk drive the amount of space you designated for virtual memory. The maximum amount allowable can be anything above the Initial size setting, but it should be at least twice the Initial size setting, as shown in Figure 2. Figure 2: The Windows XP Virtual Memory settings c00174885.gif
  6. Based on the information above, make any necessary changes to the Initial size and Maximum size settings.
  7. Click Set , and then click OK .

Sep 05, 2007 | HP OfficeJet Pro L7580 Color All-in-One...

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