Question about E-Machines T2642 PC Desktop

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What are the hardware requirements for this motherboard in the way of memory, and graphics card? I have a pc2700 256M chip that is only seeing 191M of the total ram. Does it require ddr pc2100 instead? And is the AGP 4X or higher? Thanks Jeff

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  • E-Machines Master
  • 5,660 Answers

Jeff, some of the system's ram memory is being borrowed. If you are using Integrated Graphics, this is where it is going.

[Integrated Graphics is also known as OnBoard Graphics.
On the motherBoard.

The GPU is soldered to the motherboard. (Hence you plug the monitor cable into the motherboard, via a VGA connector,

http://en.wikipedia.org/wiki/VGA_connector )

A dedicated graphics (adapter) card has it's own GPU.
(Graphics Processing Unit,

http://en.wikipedia.org/wiki/GPU ]

Integrated Graphics uses some of the system's resources. The Processor, and Ram Memory.

A dedicated graphics card has it's own Processor, and Ram Memory.
(GPU, and graphics ram memory)


PC2100 is DDR Sdram that operates at a frequency rate of 266MHz.

PC2700 is DDR Sdram that operates at a frequency rate of 333MHz.

http://en.wikipedia.org/wiki/DDR_SDRAM

[Frequency Rate:
Proper 'computer speak' for Speed.
'Speed' is slang.

DDR Sdram:
Double Data Rate Sdram
Synchronous Dynamic Random Access Memory

MHz.
MegaHertz
Mega = Approximately 1 Million
Hertz stands for Cycles per Second.

PC2100 can operate Up To a frequency rate of 266 Million Cycles per Second.
PC2700 - 333 Million Cycles per Second ]

No, using PC2100 is going backwards, and will not help increase the Amount of ram memory, seen by the computer.

According to eMachines Support, the T2642 desktop computer's motherboard, uses an Intel 845GV motherboard chipset.

http://www.emachines.com/support/product_support.html?cat=Desktops&subcat=T%20Series&model=T2642

[Chipset, and Chip are slang terms for I.C.
Integrated Circuit.

The motherboard chipset used for the technology of the T2642 motherboard, is the Northbridge, and Southbridge chipset.

(Motherboard's for the Intel Core i3, i5, and i7, do not use this motherboard chipset technology)

http://en.wikipedia.org/wiki/File:Motherboard_diagram.svg

(CPU = Central Processing Unit. Another term used is Microprocessor, or simply Processor for short.
Memory Slots = Ram Memory slots ]

The Northbridge chip handles the faster processes of the computer.
The Processor, Ram Memory, and high speed graphics.

High speed graphics being AGP, or PCI Express.
Not a graphics card inserted into a PCI slot.

Integrated Graphics, or a graphics card inserted into a PCI slot, is a slower process of the computer.

Slower processes of the computer are handled by the Southbridge chip.

Northbridge (computing)

vhttp://en.wikipedia.org/wiki/Northbridge_%28computing%29

(At the end of the Northbridge article's first sentence, you will see - southbridge, in blue.
Left-click on it for more info on the Southbridge)

Continued in a Comment

Posted on Aug 06, 2010

  • joecoolvette
    joecoolvette Aug 06, 2010

    WAIT a minute Jeff!
    Ding!

    You sir, are Correct!
    If you are using the stock Intel Celeron 2.66GHz processor, it has a 400MHz Front Side Bus.
    (FSB)
    You SHOULD be using PC2100.

    If you had an Intel processor that has a 533MHz FSB, then you can use PC2700.
    (Asker of problem = 100
    'Expert' = minus Zero)

    Looking at specifications listed by Intel for the 82845GV chipset, (Intel 845GV),

    http://www.intel.com/design/chipsets/spe...

    , and other documentation, I only see Integrated Graphics support for the Intel 845GV chipset.

    I'm sure this is laughable to you, if you are Staring at an AGP graphics slot on your motherboard.
    Let's go on;

    How about downloading the tiny, free program GPU-Z, and let's see what the AGP version,
    and speed the AGP slot is?

    GPU-Z homepage, and information,

    http://www.techpowerup.com/gpuz/

    Download page,

    http://www.techpowerup.com/downloads/Sys...

    Left-click on the blue - TechPowerUp GPU-Z v04.4

    Now click on - Download now, to the right.

    Click on - techPowerUp! US-3

    In the small window that opens up to the right, left-click on - Save File

    If you have your downloads set to save to your My Documents folder, (Windows XP), it will go there.
    It may go to a sub-folder within My Documents, called Downloads.

    If you do Not have your downloads set to save to your My Documents folder, this file will go to your desktop screen.
    The name of the file is - GPU-Z.0.4.4.exe

    When you see the file name, double-click on it. Follow the instructions.
    Would appreciate it if you would post back your findings, in a Comment.
    JCV











  • joecoolvette
    joecoolvette Aug 06, 2010

    To expound further, Ram Memory typically operates at a frequency rate that is half, of the processor's FSB.

    PC2100 is DDR Sdram that operates Up To 266MHz.
    Close to half of the Intel Celeron's 400MHz FSB.

    Also, that 'Celey' you have is not as good as a comparable Pentium 4.
    It has half of the cache that a comparable Pentium 4 has.

    Cache for a Processor is a small memory area. It is the first memory area that a Processor accesses.
    The cache operates at the same frequency rate as the Processor does.

    Crude example of a Processor's cache;

    You are preparing a thesis for college. You need more information.
    Where is it?
    Down in the basement, in a box of books, under the stairs, it is the last book on the bottom, and there is no
    basement light.

    Down the stairs you go, flashlight in hand. You find the book, then take it back upstairs. After opening the
    book to the page's you need, you discover you need more information, and it isn't located in that book.
    Back down the stairs you go, flashlight in hand.

    OR, you could tap a couple of keys on the keyboard, for the computer in front of you, and have your information
    in seconds!

    Small cache = Basement scenario
    Large cache = computer

    The Celeron 2.66GHz processor you have uses a Socket 478 processor socket.
    It needs 1.475 to 1.525 Volts (DC) to operate. (No more, no less)
    It's a Northwood-128 Core processor.
    Uses the 130nm architecture. (nm = Nanometer. 1 Billionth of a Meter)

    http://en.wikipedia.org/wiki/List_of_Int...

    You could get this puppy,

    http://www.weirdstuff.com/cgi-bin/item/1...

    Intel Pentium 4, 2.53GHz.
    512KB cache L2 cache.
    533MHz FSB






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What is visual graphic acdactor ,and the freze


A video card (also called a video adapter, display card, graphics card, graphics board, display adapter or graphics adapter) is an expansion card which generates a feed of output images to a display. Most video cards offer various functions such as accelerated rendering of 3D scenes and 2D graphics, MPEG-2/MPEG-4 decoding, TV output, or the ability to connect multiple monitors (multi-monitor).
Video hardware can be integrated into the motherboard or (as with more recent designs) the CPU, but all modern motherboards (and some from the 1990s) provide expansion ports to which a video card can be attached. In this configuration it is sometimes referred to as a video controller or graphics controller. Modern low-end to mid-range motherboards often include a graphics chipset manufactured by the developer of the northbridge (e.g. an AMD chipset with Radeon graphics or an Intel chipset with Intel graphics) on the motherboard. This graphics chip usually has a small quantity of embedded memory and takes some of the system's main RAM, reducing the total RAM available. This is usually called integrated graphics or on-board graphics, and is usually low in performance and undesirable for those wishing to run 3D applications. A dedicated graphics card on the other hand has its own Random Access Memory or RAM and Processor specifically for processing video images, and thus offloads this work from the CPU and system RAM. Almost all of these motherboards allow the disabling of the integrated graphics chip in BIOS, and have an AGP, PCI, or PCI Express slot for adding a higher-performance graphics card in place of the integrated graphics.

Aug 31, 2012 | Computers & Internet

1 Answer

Maximum graphic card memory


You could increase to a 1000Gig's if they made one.

A graphics card has it's own graphics processor, and graphics ram memory. It runs independent of the System Resources.
The Processor and Ram Memory.

Chip and Chipset are slang terms for I.C.
Integrated Circuit,

http://en.wikipedia.org/wiki/Integrated_Circuit

The graphics I.C., or graphics chipset, is a GPU,

http://en.wikipedia.org/wiki/GPU

A GPU can be mounted directly to the motherboard, and use some of the system resources. Integrated graphics.
Or it can be mounted to a removable graphics adapter card.

IF there IS a 'bottleneck', it will be your Processor, and amount of Ram Memory.
Should have at least 2GB of ram memory
It will take up to 4GB. can also support DDR2 Sdram at 667MegaHertz. (PC2-5300)

Intel 945G motherboard chipset.
Intel 82945G Northbridge chip,
Intel 82801GR Southbridge chip. (ICH7R)

Supports Intel Core2 Duo processors, with a Front Side Bus of
UP TO 1066MegaHertz. (FSB up to 1066MHz)

Intel 945G chipset was brought out in 2005. This means to me, the PCI Express technology used on your motherboard, is
PCI Express 1.1

I would stick with the graphics cards using PCI Express 2.0 technology.
I've read reports where the PCI Express 2.1 cards, weren't 'playing nice' with motherboards using the PCI Express 1.1 technology.

Unless you just wanta' experiment? Who knows?

How many maximum Watts is the Power Supply, capable of delivering at 80 percent, and how many Amp's does the 12 Volt power rail have?
(If there is more than one 12 Volt power rail, you can add together for the total 12 volt Amp's )

See what the minimum requirement is for the Power Supply. make sure you have MORE than enough.
Also if the graphics card requires an additional power cable; make sure your Power Supply has it.

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=555358&CatId=3669

But the minimum wattage for the Power Supply is 450 watt.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814129203

Power Supply? 500 Watt.

Regards,
joecoolvette

Jul 18, 2012 | Intel D945GNT Motherboard

1 Answer

K7SV266AD Can I use 266Mhz athalon processor with this board, book says 100/133 FSB. If so what processors? Thanks


The Syntax K7SV266AD motherboard uses a VIA motherboard chipset.

It uses a VIA KT266A for the Northbridge, and a VIA VT8235 for the Southbridge.

About the motherboard chipset;

Chip and Chipset are slang terms for I.C.
Integrated Circuit,

http://en.wikipedia.org/wiki/Integrated_circuit

The Northbridge chip handles the faster capabilities of the computer.
It handles the Processor, Ram Memory, and High-speed graphics.

High-speed graphics is AGP or PCI-Express

A graphics card inserted into a PCI slot is Not high-speed graphics.
Neither is Integrated Graphics.

(Integrated Graphics is also referred to as OnBoard graphics.
ON the motherBOARD. The graphics chipset is soldered directly to the motherboard, and not to a graphics adapter card. {Graphics card}

The graphics chipset is a GPU.
Graphics Processing Unit,

http://en.wikipedia.org/wiki/GPU

The Southbridge chip handles the slower capabilities of the computer.
It handles the IDE, and SATA capabilities of the computer.
It also handles the USB ports, Ethernet, and Audio, plus anything connected to a PCI slot, and Integrated Graphics, to list a few examples.

Motherboard Diagram,

http://en.wikipedia.org/wiki/File:Motherboard_diagram.svg

[For further information you may wish to search on Wikipedia,
A) Northbridge (computing)
B) Southbridge (computing)
C) Bus
D) PCI Local Bus
E) AGP (Accelerated Graphics Port)
F) PCI Express
G) Front Side Bus ]

Looking at the motherboard with the Processor to the top, and Ram Memory to the right, the VIA KT266A northbridge chip is below the Processor.
The aluminum finned Heatsink covers it.

The VIA VT8235 southbridge chip is down towards the lower right corner.

Looking at the specs for the VIA KT266A chip we can see,

http://en.wikipedia.org/wiki/List_of_VIA_chipsets#Slot_A_and_Socket_A

1) It supports either DDR Sdram ram memory at 200MegaHertz, or 266MHz.
PC-1600 or PC-2100, respectively.
(DDR Sdram is clocked twice. Therefore the 133MHz Front Side Bus {FSB} support will handle 266MHz ram memory)

2) The Maximum ram memory it will support is 4GB. If you have the motherboard manual, you will know what the maximum amount of Ram Memory is, that the motherboard will support.

3) Will support Processors with either a 100MHz, or 133MHz FSB. (Front Side Bus)
AMD processors are 'Double-pumped'.
The VIA VT266A chip will handle AMD processors with up to a 266MHz FSB.

It will handle AMD Athlon, or AthlonXP, or Duron processors, with a maximum FSB of 266MHz.

http://www.via.com.tw/en/products/chipsets/legacy/kt266a/

The best processor will be an AMD AthlonXP with a 266MHz FSB, that fits in a Socket A (Socket 462) processor socket.

Watch the Voltage used. Look up the AMD processor you have installed now, and see what voltage range it uses. The new processor must use voltage in this range also.

http://en.wikipedia.org/wiki/List_of_AMD_Athlon_XP_microprocessors

For additional questions please post in a Comment. (Upper right of your page)

Regards,
joecoolvette

Jul 04, 2011 | Syntax Computers & Internet

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What is my limit in video card choise 128bit? ddr3? what is my original power suply 300w 400w? kispis@live.com


The sony has 128 bits to display video graphics where the hiden programs least observed during a media show on the screen is powered by memory known as ddr3. A video program being observed only requires least memory. Every picture loaded starts a new video pixels. One program is incapable of distracting 128 bits of video. Motion picture flow faster least requiring so much video bits. Opening several programs on the desktop takes away from ddr3. A certain percentage of ddr3 is required to display a motion picture video. A slow down in videos on the screen is an indication to close any displaying programs on the desktop.

Dec 21, 2010 | Sony VAIO VGC-RA930G (R05SP1DTA) PC...

1 Answer

What are the parts of the motherboard?


1) Let's start with the 'Brain'. The Processor:

The Processor sits in a Processor socket on the motherboard.
The socket will match the particular Processor that is used.

On the older computers, the different Processor manufacturers often used the same type of processor socket, for their Processors.
As computer technology evolved, the different processor manufacturers started using a processor socket that only matched their particular Processors.

Now only AMD processors will fit in an AMD processor socket.
Same for Intel, and the same for VIA.

2) Ram Memory:
Ram Memory comes in a Module. Often referred to as 'Stick'
The Ram Memory modules sit down in a ram Slot.
Correct computer speak is Bank. Each slot is a Bank.

Ram Memory modules are specific in the number of contact pins on the bottom of them.
(Gold plated contact pins)

SDR Sdram, often just referred to as Sdram, has 168 contact pins. 82 on each side.
(Single Data Rate Sdram {Sychronous Dynamic Random Access Memory)
The bottom of the ram memory module also has Two Locating Notches.

DDR Sdram has 184 contact pins. 92 on each side. One Locating Notch

DDR2 Sdram has 240 contact pins. 120 on each side. One Locating Notch

DDR3 Sdram has 240 contact pins. 120 on each side. The Locating notch is in a different place than the DDR2 Sdram ram module.


3) Expansion slots:

An add-in card is a small circuit board. This can refer to a,

A) Graphics Card, (Graphics Adapter Card, or also known as Video Adapter Card)
B) A Modem Card (Again, > adapter has been dropped off)
C) A Sound Card (Audio) {Adapter has been dropped off)
D) Ethernet Card
Or a number of other technologies used.

The add-in card is inserted into the appropriate expansion slot.


4) Motherboard Chipset:
Chip and Chipset are slang terms for I.C.
Integrated Circuit.

The motherboard chipset consists of the Northbridge chip, and the Southbridge chip.

[NOTE*
This does not apply to new technology used for the Intel Core i3. i5, i7, and i9 processors ]

The Northbridge chip handles the faster capabilities of the computer

The Northbridge chip supports;
A) What Processor is used.
B) What Ram Memory is used
C) High-speed graphics.

{High-speed graphics is considered to be AGP, or PCI-Express. Not a graphics card inserted into a PCI slot, nor Integrated Graphics }

The Southbridge chip supports the slower capabilities of the computer.

D) Any add-in card inserted into a PCI slot
E) Integrated Graphics
F) IDE (PATA) and SATA harddrives
G) USB ports
H) Data coming from the Super I/O chip, and it's associated hardware connected to it.

(The Northbridge chip is connected to the Southbridge chip by the Front Side Bus. {FSB}
Think of the FSB as an 'Information Highway'.

Data {Information} is transferred to the Northbridge from the Southbridge, and to the Southbridge from the Northbridge, via the FSB.

The Southbridge chip is connected to the Super I/O chip by the Internal Bus.

Motherboard Diagram;

http://en.wikipedia.org/wiki/File:Motherboard_diagram.svg

(CPU = Central Processing Unit. Another term used is Microprocessor, or simply Processor for short. It Does Not refer to the computer as a unit)

This shows a typical motherboard, and refers to the different parts of it,

http://en.wikipedia.org/wiki/File:Acer_E360_Socket_939_motherboard_by_Foxconn.svg

I invite you to type the following terms in the search box on Wikipedia, and learn more about the parts of the Motherboard, and the technology of the different parts of the motherboard, and the associated hardware that goes on the motherboard,

1) CPU socket
2) Bus (computing)
3) Expansion Card
3) AGP
4) PCI Express
5) BIOS
6) Northbridge (computing)
7) Southbridge (computing)
8) GPU
9) Harddrive
10) Sata
11) Integrated Drive Electronics
12) Motherboard
Also click on any word, or term in blue in the page/s, and click on the links at the bottom.

This may help to understand the different parts of a Motherboard, (Mainboard), also,

http://computer.howstuffworks.com/motherboard.htm


http://computer.howstuffworks.com/

Nov 22, 2010 | Computers & Internet

3 Answers

What are the parts of mother board and its function?


Hello,

Here is a picture link from Wikipedia that has an excellent breakdown:

http://en.wikipedia.org/wiki/File:Acer_E360_Socket_939_motherboard_by_Foxconn.svg


Thanks for using Fixya.

Nov 18, 2010 | Computers & Internet

1 Answer

My m.board is directly power on and not giving any display mother board model is via- vt82c686b


Bear with me as this will be lengthy.

You're looking at a VIA Southbridge chip.

VIA VT82C686B

http://en.wikipedia.org/wiki/List_of_VIA_chipsets#South_bridge_chips

The Northbridge chip, and Southbridge chip, make up the motherboard chipset.
(For the technology used in that motherboard)

http://en.wikipedia.org/wiki/File:Motherboard_diagram.svg

In the motherboard diagram above, CPU stands for Central Processing Unit. Another term used is Microprocessor, or simply Processor for short.

The Northbridge chip of the motherboard chipset, handles the faster processes of the computer.
The Southbridge chip handles the slower processes.

The Northbridge chip handles the Processor, Ram Memory, and high speed graphics.
High speed graphics being AGP, or PCI Express.

Not a graphics card inserted into a PCI slot, and not Integrated Graphics.

The Southbridge chip handles Integrated Graphics, or a graphics card inserted into a PCI slot, or any adapter card inserted into a PCI slot.
Anything to do with a PCI bus.

It also handles IDE devices such as an IDE harddrive, (Or harddrives), and IDE optical drive/s, (CD/DVD), plus SATA devices.

Plus it handles USB ports, an Ethernet port, and so on.
[The rest of the slower processes are detailed in the motherboard diagram]

The Northbridge chip on your motherboard will be under a Heatsink.
The Heatsink is glued on to the top of the chip.

(Chip and Chipset are slang terms for I.C.
Integrated Circuit)

http://en.wikipedia.org/wiki/Integrated_circuit

This photo shows a typical motherboard, and the Heatsink on the Northbridge chip,

http://en.wikipedia.org/wiki/File:Asus_a8n_VMCSM02.jpg

In the center of the photo you will see a square aluminum looking object, that has fins on it.
This is a Heatsink, and it's attached to the top of the Northbridge chip's case.

You can left-click on the photo to enlarge it. You can click twice.

(This Asus A8N-VM CSM motherboard, uses an Nvidia Northbridge chip, and an Nvidia Southbridge chip. The VIA chip you see is a Firewire controller chip. VT6307)

To your problem;

1) If your monitor cable is removable, remove it, and use a KNOWN to be good one. Check to see if it's a bad monitor cable.
If the monitor cable is not removable, use a Known to be good monitor, and it's cable.

2) The problem could be the Integrated Graphics on your motherboard. The GPU could be bad.
(Assuming you're not using a graphics card)

[ Integrated Graphics, and GPU:

GPU stands for Graphics Processing Unit. It is a chip.

The GPU could be soldered directly to the motherboard, or soldered to a removable adapter card.

Soldered to the motherboard = Integrated Graphics.
Another term used for Integrated Graphics is OnBoard graphics.
ON the motherBOARD.

Integrated graphics used on your motherboard, will have a blue VGA port that you plug your monitor into.
Newer motherboards will use either a VGA port, or a DVI port, (White), or both.

Soldered to a removable adapter card = Graphics Card.
Also known as a Video Card ]

The way you would test to see if Integrated Graphics is bad, on your motherboard, is to use a graphics card.

3) A VERY large percentage of computer problems is a bad Power Supply. Weak voltage power rail.

Has enough power to light LED lights, and spin fans, but not enough to turn the Processor on.

A) ALL of the LED lights combined use less than 1 Watt of power.

B) EACH fan uses 2 to 3 Watts

C) A typical Processor can use 51 to 125 Watts.
(Older Processor's, such as an Intel Pentium III for example, use less power)

No processor operating, No computer.
No computer = No Signal on the monitor.
No video signal.

Aug 15, 2010 | Toshiba Computers & Internet

1 Answer

GAMES DONT RUN.ERROR COMES REGARDING ''GRAPHIC CARD NOT RECOGNIZED


The drivers for the integrated video controller is on the CD that came with the motherboard, but that is most likely not the problem. Most newer hi-res games require much more sophisticated graphic chips than are normally used on motherboards. It may require hardware support for shading and other calculation-intensive operations that would require an add-in video card designed specifically for those purposes. Many also require a minumum of 256MB (or more) of video memory. You should check the documentation that came with the game to find out exactly what its video requirements are.

If that isn't the case, report back with the exact error message you are getting.

Apr 07, 2009 | Computers & Internet

1 Answer

Intel graphics card


Hello there.

Unfortunately Intel drivers have some bugs in them which means it will not support Hardware T&L correctly. This means that intel graphics chips are not recommended for any new games and many old ones. Some Intel chipsets support more than others, unfortunately yours doesn't.

You can see here which chips support some parts of hardware Transform + Lighting here at http://www.intel.com/support/graphics/sb/CS-011910.htm

An entry level AMD/ATI radeon or Nvidia graphics chip would be more suited to occasional gaming on a laptop system.

Jun 28, 2008 | Intel Computers & Internet

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