Question about Zerus Intel Desktop Board D815EEA (Z-D815EEA) Motherboard

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Display is not comming on monitor while monotor is ok and cpu is on.

I have a pentium 3 processor with intel motherboard D815EEA motherboard.when i switched on a power the cpu gives some beep after every one minute and no display on monitor screen and backside of the cpu there are 4 led out of that first 3 are amber and 1is becomes green.I saw in the manual  in this case it is in recovery mode. I can't understand what it mean.  I replaced RAM .I made pc on for half an hour but the problem is as it was. so kindly  anybody suggest me the solution for the same.

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  • Anonymous May 30, 2008

    same problem

  • Anonymous Jan 14, 2009

    I have same problem with the mother board ,i tryed with a new VGA and RAM but still same problem Exists

  • Hari Raj Mar 02, 2009

    one night before i start my pc and its working properly on 128mb ram but now its monitor not giving display. i also have check it by replacing the ram but it still having the same situation.



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Try changing the video card

Posted on Oct 19, 2007


Sign on screen to aol is not comming on when I sign on

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Cpu suport

Going with problem heading stating ->

IBM 73P0595 motherboard > CPU Support > and previous problem statement ->
"I have updated my processor from INTEL Pentium d 820,2800mzh 1500mzh to INTEL Pentium d 945,3400mzh....."

Let's take a look at the IBM 73P0595 motherboard specifications, first;

A) Socket 478 processor socket

B) Intel 865G motherboard chipset,

The Intel 865G motherboard chipset DOES NOT support dual core processors.
Does NOT support an Intel Pentium D; 820 OR 945

Those two processors also use the LGA 775 processor socket.
(Socket T, )

What did you base your CPU support on?
Was it the fact that the Intel 865G motherboard chipset, will support Intel Celeron D?

The Intel Celeron D is NOT a dual core processor,

"The Intel Celeron D processor works with the Intel 845 and 865 chipset families.

The D suffix actually has no official designation, and does not indicate that these models are dual-core.

It is used simply to distinguish this line of Celeron from the previous, lower performing Northwood and Willamette series, and also from the mobile series, the Celeron M......"

Not the IBM 73P0595 motherboard we're talking about?


Let's just base it on the statement that you tried to upgrade, from an Intel Pentium D820 to an Intel Pentium D945,

What motherboard are you using?
Motherboard in a HP Compaq DC7600 Desktop PC?

Scroll down to the bold subheading -> Processor and Speed

Intel Pentium D820 at 2800MegaHertz (2.8GigaHertz),
with 800MegaHertz Front Side Bus, is supported.
(800MHz FSB)

Probably came with your computer, huh?

Intel Pentium D945 at 3400MHz (3.4GHz), with 800MHz FSB is supported also.

This can be seen by the specifications of the motherboard chipset, also. The Intel 945G motherboard chipset,

Scroll down to 945G in the left column. (Last one listed in chart)

Apparently you just needed the 786D family Processor Microcode Update, or did that not work out?

Awaiting reply,

(How did I come up with the HP Compaq DC7600, anyway?
Did you add it in a Comment, and it has been removed, or what?

!O_O! )

Jan 02, 2013 | IBM (73P0595) Motherboard

1 Answer

Installing new cpu on a emachine

According to the specs I have Serena, the eMachines eTower 633i Desktop PC, uses a TriGem Cognac motherboard.

[TriGem is the manufacturer, Cognac is the model.
Note it is Not the TriGem Cognac+ ]

Specifications. (You can click on the photo to enlarge)

PDF motherboard manual,

Click on - Cognac - in the left side of the list.

Going back to the page;
(Nothing like upside down photo information, and the motherboard is turned 90 degrees to the Right, to how it actually sits in your computer case )

The processor socket is a Socket 370,

Used for Intel Pentium III processors, and intel 'Celey' processors.

(Excuse me......Celeron.
An Intel Pentium III processor has TWICE the L2 cache, that a comparable Intel Celeron has.
The cache for a Processor is a small memory area for the Processor.

It is the First memory the Processor accesses.
The Ram Memory is second, and the Harddrive is third.
More cache for a Processor makes it more faster )

The motherboard chipset is an Intel 810.

The Northbridge chip of the motherboard chipset, is an Intel 82810.
The Southbridge chip is an Intel 82801AA, or an Intel 82801AB.
(Intel ICH, or Intel ICH0 )

Looking at the chart, and reading across, you can see what the Intel 810 motherboard chipset supports;

1) Processors: Intel Celeron, or Intel Pentium II, or Intel Pentium III.

2) Processor Front Side Bus: (FSB) 66MegaHertz, or 100MHz.

3) SDR Sdram ram memory at 100Megahertz.

[Single Data Rate Sdram is often just referred to as Sdram.

Double Data Rate Sdram is also Sdram (DDR Sdram)
Synchronous Dynamic Random Access Memory
So is DDR2 Sdram, and DDR3 Sdram ]

Also referred to as PC100.

So when looking for a CPU you look for;

1) Fits in a Socket 370 processor socket.
Yep. The best is going to be an Intel Pentium III.

2) Has a FSB of 100MHz.


Scroll down.

Pentium III 1100.

Maximum frequency rate ('Speed') is 1.1GHz (1100MHz)
Front Side Bus = 100MHz
Uses a Socket 370 processor socket.
Part Number = RB80526PY005256
sSpec Number = SL5QW

In the top header -
Specifications / Pictures (1) / CPU ID (1) / Comments (1),
click on Pictures (1)

You can click on the photo to enlarge.
256MegaByte of L2 cache. (256MB)

A comparable Celeron would have 128MB of L2 cache.

[ Don't forget to follow Anti-Static Precautions.
Clean the bottom of the Heatsink THOROUGHLY, and the top of the Processor if it needs it. (I always do anyway)

PROPERLY apply fresh, new Thermal Paste.

For additional questions please post in a Comment.


Oct 26, 2012 | E-Machines etower 633is PC Desktop

1 Answer

Is there a cpu upgrade for an hp pavilion 6835 with a motherboard 115561 cognac 20000731

The fastest Pentium 3 that will work in your board is a Intel Pentium III 1GHz chip. Here is a link to the specs:

You could also get a Intel Celeron 1.1 GHz but it only has half the level 2 cache size so it's actually a bit slower than the Pentium III 1GHz chip.
Here's a link to celeron specs:

May 23, 2012 | Powerleap PL-NEO/T Celeron, 1.4 GHz...

1 Answer

Thermal faillure, processor is problem. how price? this processor?

Desktop? Laptop?
What manufacturer of motherboard?
What model of motherboard?
Intel or AMD CPU?
What model-number?

Search on for a compatible CPU.

Jun 07, 2011 | Dell Pentium 3, 500 MHz Pentium III...

1 Answer


I like that. Kinda' rhymes. "Fan OK but no Display"

Problem is your Processor isn't turned on.

You have a bad Power Supply.
> Weak voltage power rail.

You probably have a 200 to 300 Watt power supply. (SMPS)

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

2) EACH fan uses 2 to 3 Watts.

3) A typical Processor can use 51 to 125 watts. Depends on what Processor it is.

The Intel D845GVSR motherboard uses a Socket 478 processor socket.
Supports Intel Celeron, Intel Pentium 4, and Intel Celeron D, that utilize a Socket 478 processor socket, and have a maximum FSB of 533MHz.

Utilizes the Intel 845GV motherboard chipset.
[ Intel 82845GV Northbridge chip, and Intel ICH4 Southbridge chip ]

89 Watts is the maximum wattage, that can be used by a Processor for the Intel D845GVSR motherboard.

Power Supply has enough power to light LED lights, and spins fans, but not enough to turn the Processor on.
No Processor operating, No computer.
No computer, No video signal to the monitor.
(No Signal)

Do you have access to a KNOWN to be good, compatible Power Supply, for a test unit?

Motherboard Manual in PDF file form:

Under the heading > Documents and Guides, left-click on > Product Guides for D845GVSR.
Then left-click on the first file listed.
Product Guide - PDF File Name: D845GVSR_ProductGuide_English.pdf

Nov 03, 2010 | Intel D845GVSR Motherboard

1 Answer

Whether INTEL 810 motherboard supports ddr2 ram of

The intel 810 motherboard will not support DDR2 memory.
Intel Pentium 3 Socket 370 SDRam PC100 Ultra DMA100 Motherboard With Onboard Video / Sound & LAN! For Intel Pentium 3 Processors (CPU.
This board will only support SDRAM PC100

Oct 01, 2009 | Intel Motherboard

3 Answers

Is it compatible a intel dual core processor to a


If you want to upgrade you unit be sure that the motherboard socket are totally fix with the processor. The compatibility is important because if it is not compatible the motherboard can not support the processor,

Good luck !!!


Jul 15, 2009 | ASUS P5PE-VM Motherboard

1 Answer

Motherboard suppord CPU

google the mother board and then read the book for the board. it should list the compatable cpu's then you can log on to and search for the cpu you want that will work with it.

Jun 27, 2009 | Intel PENTIUM-4 865GV CHIP MOTHER BOARD...

1 Answer

Motherboards is running but no display..

mother board have a problem,if warranty is still now u sent mother board service center,my friend is same problem,he send mother board and now it is ok.

Mar 31, 2009 | EliteGroup ECS P4VMM2 Supports Intel...

1 Answer

No display

If it boots with no video, then it is a bad built-in video controller. If you get a long beep then its the processor.

Jan 02, 2008 | Intel (P42000400512SK478) Pentium 4, 2 GHz...

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