Question about Intel D845GVSR Motherboard

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Computer won't start

I'm running an Emachines T2893 with an Intel D845GVSR motherboard. Computer will not start at all; no fans, beeps, nothing. Has been tested with new PSU; nothing. Have bypassed the momentary switch from front power button; nothing. Have even pulled 20-pin connector from mobo and tried jumpstarting the computer to verify it was actually getting power; that got a result. Have also disconnected hardware (drives, sound boards, card reader) one at a time to ensure isn't a hardware conflict. Is there anything else I can do? And does anyone have any idea what could be wrong with my computer?

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  • 77 Answers

Hi there


it seems like it cud be either ur motherboard or cpu that has gone.

do you have another machine that u can test the cpu in?

regards Rich


Posted on Feb 24, 2009

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Where can i place in my motherboard power & reset jumper, i need diagram of my motherboard


For any desktop computer using Windows:

The main power cable coming from the Power Supply, is an ATX main power cable.

It is the power cable with the longest connector.
It will either be a 20-pin, or a 24-pin connector.

IF, this is directly towards an eMachine T2893 Desktop PC, it uses an Intel D845GVSR motherboard.

Also note that eMachines Support > Specifications, states the T2893 uses an Intel 845GV motherboard chipset,
( Chipset ),

http://support.gateway.com/emachines/PC/eMac/4176/4176sp5.shtml

Info on the Intel 845GV chipset,

http://en.wikipedia.org/wiki/List_of_intel_chipsets#Pentium_4_chipsets

This is the download link for the motherboard manual, for the Intel D845GVSR motherboard,

http://www.intel.com/support/motherboards/desktop/d845gvsr/sb/cs-008823.htm

Scroll down, and click on the blue -
Intel Desktop Board D845GVSR Product Guide (PDF)

The computer you are using now has Adobe Reader on it, which uses PDF files.
After you click it may take up to 30 seconds before the first page comes up.

{ 10 seconds, fully loaded. Adobe Reader 10 (X), and medium speed DSL connection }

The plastic front of your desktop computer is the Front Panel.

The rectangular area of pins on the motherboard, that the wires from the Front Panel go to, is the Front Panel header. (Sometimes abbreviated FP1 on the motherboard )

Looking at your motherboard as it's installed in the computer case, the Processor is to the Top, Ram Memory to the Right, and the long white PCI slots to the Bottom.

The Front Panel header is on the Bottom of the motherboard, under the CMOS round battery.

There are two rows of pins.
4 across the top, and 5 across the bottom.
{ Top row 4 pins, space
Bottom row 5 pins }

The Top row of pins are numbered Even.
The Bottom row of pins are numbered Odd.

Starting from the Left side of the header going to the right, on the Top row;
{ Left side of the motherboard going towards the right side of the motherboard }

Pins 2, 4, 6, and 8. There is No pin 10.

Starting from the Left side of the header going to the right, on the Bottom row;
Pins 1, 3, 5, 7, and 9.

A) Pins 1 and 3 are for the HarDDrive activity LED light.
Pin 1 is for the Positive ( + ) wire.
If the harddrive LED light is dim when operating, switch the wires around.

B) Pins 5 and 7 are for a Reset switch. IF a reset switch is used.

C) Pin 9 is for 5 Volt (DC) power. Not used.

D) Pins 2 and 4 are for the Power On LED light.

E) Pins 6 and 8 are for the Power On switch.

To the right, and up, is the BIOS Configuration Jumper Block.
3 pins.
Pin 1 is towards the CMOS battery.

Normal default is the jumper is on Pins 1 and 2.
To configure it is placed on Pins 2 and 3, BUT in a proper method.
Read on Page 37.
(37 in page number box at top of PDF file )

For additional questions post in a Comment.

Regards,
joecoolvette

Nov 24, 2010 | E-Machines T2893 PC Desktop

1 Answer

I have a T2893 model that is probably 10 years old. The hard drive just quit on me and I cannot boot back up. It appears completely dead. I changed power plugs to ensure that it was not the power supply. I...


1) Install the harddrive as a slave drive in a known working computer.

2) Install the harddrive into an economical external harddrive enclosure, and plug the USB cable of the enclosure into a known working computer.
[IMHO the better of the two options]

The eMachines T2893 uses an IDE harddrive, (IDE is also referred to as PATA)
This is an example of an IDE external enclosure,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1337265&CatId=2779

As for the T2893 it could be a bad power supply, and worst case scenario, a bad motherboard also.

Granted the power supply may seem to be working, (Bestec 250 Watt), but it may have a weak voltage power rail.

Enough power to light lights, and maybe spin fans, but not enough for the Processor.
1) ALL the lights use less than 1 Watt of power
2) EACH fan uses 2 to 3 Watts
3) A typical Processor can use 51 to a 125 Watts.

The T2893 comes with an Intel Celeron D 330.

http://en.wikipedia.org/wiki/List_of_intel_celeron_microprocessors#.22Prescott-256.22_.2890_nm.29

The Celeron D 330 can use up to 84 Watts. (Under the heading TDP in the chart )

In essence the harddrive may not be bad.

When you press the Power On button, you are closing a circuit that feeds 5 Volts to the Power Supply. Soft Power On function.

[Brought in, to replace the old style of pressing the plastic Power On button, which in turn presses against a steel rod, which in turn presses against a Power On switch, attached directly to the Power Supply ]

Power goes to the motherboard. The first chipset to receive power, and to initialize is the BIOS chip.
[Chip and Chipset are slang terms to represent I.C. Integrated Circuit]

Bios looks to see what devices are installed, does a Ram Memory count, turns the Processor on, and hands the computer over to the Operating System.
[Windows XP is an example of an O/S]

The operating system is located on the harddrive.
You don't have enough power to turn the Processor on, so there is nothing to process information.
Nothing to find the operating system.

Two of the major faults reported for the T2893, are the Bestec 250 Watt PSU, (Power Supply Unit), and the motherboard.
The primary failure is the Power Supply. When the power supply fails, it has a nasty tendency to take the motherboard with it.

What actions to take, to possibly solve the problem with the T2893, provided the harddrive works?
Suggestions:

1) Test the Power Supply. See if the voltages are correct, and specifically the 12 Volt power.
There are three main voltages.
A) Yellow insulated wires are 12 Volts
B) Red wires are 5 volts
C) Orange wires are 3.3 Volts

ANY Black wire is a Ground wire.

Do you have a multimeter? An economical multimeter can be purchased for around $10 to $12.
(Many stores carry them. An auto parts store is one place)

There is also a power supply tester. Economical versions are around $20.
The 12 Volt power can be 11 to 13 Volts. Anything below 11 Volts, and it's time for a new power supply.

Power supply diagnoses to be good, check the motherboard. Visually look for bad Electrolytic Capacitors.
eMachines are known for using cheap quality Electrolytic Capacitors.
Saves the computer manufacturer money, which they use to sell budget priced computers. (All eMachines are budget computers)

http://www.capacitorlab.com/visible-failures/index.htm

If the motherboard is bad, I have seen replacements offered online.
One motherboard offered had the price of $90.

Now you could be looking at $30 to $50 for a decent replacement Power Supply, and another $90 for a motherboard.
Believe it would be best served to purchase another computer, IMHO.

Have any questions concerning this, please post in a Comment.

Apr 20, 2010 | E-Machines eMachines Desktop PC

1 Answer

Fan Speed 100% on Intel D845GVSR motherboard


see if you plug them in the right spot cpu gose by the cpu case fan will say case on board some take two wire fans some 4 wire some 3 wire jim

Feb 20, 2010 | Intel D845GVSR Motherboard

1 Answer

When i start my computer then fan is running but nothing appears on the monitor scrin. monitor signal light is lighting too.


check for cmos battery then check for RAM module......first try RAM in other slot if it does not work then try replacing it with new one

Oct 09, 2009 | Intel D845GVSR Motherboard

2 Answers

I have a problem with Intel D845GVSR Motherboard with 2.0 GHz processor. When I power the M/B, only the Motherboard LED is on, but no boot, no cpu fan running. No beep code also. I check the SMPS, RAM,...


Hi,

Think this should be an issue with the power button, Remove the wires running from the power button to MB and try starting the system with shorting the 2 lead of the power button..

Mostly, it can be due to bad power supply or Ram

Rate this solution
RNJ VINODKUMAR

Sep 26, 2009 | Intel D845GVSR Motherboard

3 Answers

Intel D845LDA Motherboard Doesnt Starts


try removing all the memory modules (ram) from the computer, if you get a couple of beeps, then its either a faulty memory modules or memory socket, so try one memory module on each socket at a time, and if that doesn't work, i would strongly recommend to have the motherboard replaced.

Apr 25, 2009 | Intel D845GVSR Motherboard

2 Answers

No boot, New PS, Green light on MB lights, No Fans running


Bottom line: Either your power supply or (hopefully not) the mother board has gone bad.
Replace power supply (remove old one), take to local independent computer shop, ask them for new unit. Should be around $50.00. - no more. After reinstall, if still no fans, boot, etc. Replace motherboard or buy a new machine. MB's installed probably will run you around $250.00-ish.
Good luck.

gurutim

Mar 21, 2009 | E-Machines eMachines Desktop PC

2 Answers

My Emachines_w2888 will not boot up. I get a, (NO SIGNAL INPUT).


If all you have done is upgrade the memory, take out one stick of memory and see if the computer will start up. If it acts the same way it has been acting, take out the other stick of memory and put the first stick of memory back in. You could have a bad stick of memory. Does the computer make any beeping noises when you try to start it? Those beeps are the BIOS way of telling you there is a problem. One BIOS beep means the system is starting if you have more than one beep, there could be a problem, the number of beeps along with the brand of BIOS will give you a clue as to what the problem is. Once you know the number of beeps and the brand of BIOS you can search the Internet for what the problem might be. Your monitor showing "NO SIGNAL INPUT" is its way of saying "I'm ok but something else is wrong".

Good luck

Nov 11, 2008 | Computers & Internet

1 Answer

Emachines D845GVSR motherboard repair


your i/o controller ic {SMSC} fail or rtc circuit fail there is two most possibility

Apr 01, 2008 | E-Machines eMachines Desktop PC

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