Question about Compaq ( 277498-001) Motherboard

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Compaq_277498_001_motherboard I have got the above motherboard Its new but I am failing to power up the motherboard i have mo diagram for the front panel pins e.g hd-led reset-led power-led powerswitch led. can anyone help me please

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  • machona nyoni Jul 16, 2007

    the motherboard is an evo compaq w4000 sp#277498-001 the motherboard is new please help

  • Anonymous Nov 19, 2007

    I have the very same 277498-001 Motherboard for Evo D300, D500 or W4000 system. I am looking for the connection diagram for this MB. Please help if anyone could help to land one copy, I greatly appreciate. Contact email: qnjle1@netzero.com. many thanks in advance.

  • Anonymous Jan 04, 2008

    yep same board same problem

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I have a compaq evo d5pm with this very same moutherboard and i am trying to upgrade it i have a 1.7 ghz p4 and 1 gig of pc 133 168 pin sdram in it i am trying to find out what it the maximum ammount of ram it will hold i found one web site that said it will do 3 gigs of sd ram and it will support any 400mhz front side bus p4 our celeron processer i am looking to put a 2.4 ghz p4 in it and atleast 2 gigs of sd ram can any one help me? and my answer to your question if you have the power pluged in and the led on and off switch pluged in to the moutherboard and you are not gettin any thing to power your mouthboard may be no good it may be shorted out take your moutherboard to a pc tech and ask him how much it would cost to test it it schould only cost $10.00 to $25.00 to get it teasted depending on what pc tec you go to in your area

Posted on Jun 10, 2008

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Can you please post the make of the motherboard, as compaq only build pc and do not make motherboards, we can help you then.

Posted on Jul 14, 2007

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Front panel wiring diagram ie power switch reset switch etc


HP Support > Compaq Presario SR5501F > Motherboard Specifications,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01237538&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&lang=en&product=3740354

The motherboard is made by ECS for HP/Compaq
ECS model number is MCP61PM-HM
HP/Compaq's name is Iris 8.

There is no wiring diagram per se to give you.
I'll have to detail the wiring connections step by step for you.
This may be a little lengthy.

On the link above you are looking at a photo of your motherboard.
There is also an illustration available.
I would like you to copy, and save them both.

Using this method you will be able to enlarge them for further clarity, of the connections to the motherboard.

Right-click on the motherboard photo. Left-click on Save Image As, in the list.
In the Save Image window that comes up, you will see the heading File name:
To the right of File name: will be c01237541.

Unless you want to search for c01237541 you may wish to do this:

Put your mouse cursor after the 1 in c01237541.
Left-click twice.
Make one space with your spacebar.

Type Compaq Presario SR5501F Mobo photo.
(Mobo stands for MOtherBOard)

You want this photo to go to your My Pictures folder.
(Windows XP. Different for Vista)
At the top of the Save Image window is the heading - Save in:
In the box to the right you should see - My Pictures

If you do Not you will have to change the destination.

Left-click on the blue down arrow to the right of the box.
In the list, left-click on - My Documents, then left-click on - My Pictures.
Now go to the bottom right of the Save Image window, and left-click on Save.

In the link, scrolling down you will see the heading - Motherboard layout
Left-click on the + sign next to Motherboard layout.
Copy and save it as you did for the motherboard photo.

In the File name: box type - Compaq Presario SR5501F Mobo Illustration.

Now all you have to do is go to your My Pictures folder (Start>My Pictures), and double-click on the photo, or illustration.
Left-click on the Zoom In icon at the bottom of the window to enlarge.
(+ sign in a magnifying glass icon)

Wiring Connections to the Motherboard:

A) Front Panel header: (Panel 1)

The Front Panel, is the plastic front of your computer where the Power On button, HarDDrive LED light, and Power On LED light is located.

The Front Panel header is the connections, or pins, on the motherboard, where the cables (Wires) go to from the Front Panel.

On the motherboard illustration it is marked as Panel 1.
(Down in the bottom right corner)

On your motherboard, Panel 1 (Front Panel header) is Black in color.
As you can see it is a rectangular block, and is placed vertically.
Has 2 columns of pins.
5 in the left column, 4 in the right column.

The Left column is numbered Odd.
Starting at the Top going down, Pins 1, 3, 5, 7, and 9

The Right column is numbered Evenly.
Starting at the top going down, Pins 2, 4, 6, and 8.

Pins 1 and 3 are for the HarDDrive LED light.
(HDD activity LED)
Pin 1 is for the Positive connection ( + )

Pins 5 and 7 are for the Reset switch.
Pin 7 is for the Positive connection. ( + )

Pin 9 is reserved, and may not be used.

Pins 2 and 4 are for the Message LED light. (LED = Light Emitting Diode)
Power On LED light.

Pins 6 and 8 are for the Power On switch.
There is No Pin 10.

If the cables (Wires) are not marked coming from the Front Panel, you will have to remove the Front Panel, and trace where they go.

You will be able to physically see where wires go to the Power On switch, Power On LED light, HarDDrive activity LED

Sep 21, 2011 | HP Compaq d530 SFF PC Desktop

1 Answer

I have a Compaq Presario SR2011WM which powered down on me. I get a solid light in the back and when I hit the power button I get a solid light on the front also which will not shut off unless I unplug it....


Well, unplugging something (I'm not quite clear on what you unplugged), especially if it supplies power to the processor usually doesn't fix things. If you mean the plug that looks like http://www.pcguide.com/byop/diagrams/figure9.jpg then it helps supply power to the motherboard, and I'm not sure what unplugging it would fix but it is more likely a motherboard issue than a processor issue if unplugging it fixed the problem. Regardless because this is an older and off the shelf computer upgrading it will be difficult due to the fact that celeron's don't have the same socket type as newer processors. If it is a motherboard issue then you will need a new motherboard and a new processor for that motherboard. Essentially the easiest and most cost effective thing would be to get a new computer.

Feb 28, 2011 | HP Compaq Presario SR2011WM PC Desktop

1 Answer

I would like to see an inside wiring diagram to see if I plugged something in wrong or not


If this problem is in direct relation to a Compaq Presario SR5501F desktop computer;

HP Support > Compaq Presario SR5501F > Motherboard Specifications,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01237538&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&lang=en&product=3740354

The motherboard is made by ECS for HP/Compaq
ECS model number is MCP61PM-HM
HP/Compaq's name is Iris 8.

There is no wiring diagram per se to give you.
I'll have to detail the wiring connections step by step for you.
This may be a little lengthy.

On the link above you are looking at a photo of your motherboard.
There is also an illustration available.
I would like you to copy, and save them both.

Using this method you will be able to enlarge them for further clarity, of the connections to the motherboard.

Right-click on the motherboard photo. Left-click on Save Image As, in the list.
In the Save Image window that comes up, you will see the heading File name:
To the right of File name: will be c01237541.

Unless you want to search for c01237541 you may wish to do this:

Put your mouse cursor after the 1 in c01237541.
Left-click twice.
Make one space with your spacebar.

Type Compaq Presario SR5501F Mobo photo.
(Mobo stands for MOtherBOard)

You want this photo to go to your My Pictures folder.
(Windows XP. Different for Vista)
At the top of the Save Image window is the heading - Save in:
In the box to the right you should see - My Pictures

If you do Not you will have to change the destination.

Left-click on the blue down arrow to the right of the box.
In the list, left-click on - My Documents, then left-click on - My Pictures.
Now go to the bottom right of the Save Image window, and left-click on Save.

In the link, scrolling down you will see the heading - Motherboard layout
Left-click on the + sign next to Motherboard layout.
Copy and save it as you did for the motherboard photo.

In the File name: box type - Compaq Presario SR5501F Mobo Illustration.

Now all you have to do is go to your My Pictures folder (Start>My Pictures), and double-click on the photo, or illustration.
Left-click on the Zoom In icon at the bottom of the window to enlarge.
(+ sign in a magnifying glass icon)

Wiring Connections to the Motherboard:

A) Front Panel header: (Panel 1)

The Front Panel, is the plastic front of your computer where the Power On button, HarDDrive LED light, and Power On LED light is located.

The Front Panel header is the connections, or pins, on the motherboard, where the cables (Wires) go to from the Front Panel.

On the motherboard illustration it is marked as Panel 1.
(Down in the bottom right corner)

On your motherboard, Panel 1 (Front Panel header) is Black in color.
As you can see it is a rectangular block, and is placed vertically.
Has 2 columns of pins.
5 in the left column, 4 in the right column.

The Left column is numbered Odd.
Starting at the Top going down, Pins 1, 3, 5, 7, and 9

The Right column is numbered Evenly.
Starting at the top going down, Pins 2, 4, 6, and 8.

Pins 1 and 3 are for the HarDDrive LED light.
(HDD activity LED)
Pin 1 is for the Positive connection ( + )

Pins 5 and 7 are for the Reset switch.
Pin 7 is for the Positive connection. ( + )

Pin 9 is reserved, and may not be used.

Pins 2 and 4 are for the Message LED light. (LED = Light Emitting Diode)
Power On LED light.

Pins 6 and 8 are for the Power On switch.
There is No Pin 10.

If the cables (Wires) are not marked coming from the Front Panel, you will have to remove the Front Panel, and trace where they go.

You will be able to physically see where wires go to the Power On switch, Power On LED light, HarDDrive activity LED light, and so on.

B) 24-pin ATX main power cable:

Only plugs in one direction. Plugs next to the blue IDE connector on the motherboard. (To the right of the ram memory slots)

C) 4-pin ATX +12 Volt power cable.
Looks like this,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

Plugs into the whitish square 4 socket hole connector on the motherboard, next to the Processor socket.
(On the motherboard illustration this connector is labeled - ATX12V1

D) Processor Fan:
Connects to the 3-pin CPU header on the motherboard. Right above the ram memory slots.

E) Harddrive:
You have a SATA harddrive. (500GB in size)
Connects to the SATA 1 header on the motherboard.
The SATA 1 header on the motherboard is Black in color.

The data interface cable has 7 pins.
Looks similar to this, (May not have a 90 degree elbow though),

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

The SATA power cable has 15 pins.
Looks like this,

http://www.playtool.com/pages/psuconnectors/connectors.html#sata

NOTE*
If your SATA harddrive has a place for a SATA power cable, AND a 4-pin Peripheral power cable, DO NOT plug both power cables in!!
This will lead to damage of the SATA harddrive!

The standard 4-pin Peripheral power cable looks like this,

http://www.playtool.com/pages/psuconnectors/connectors.html#peripheral

(The standard 4-pin Peripheral power cable connector, has had a misnomer for years as a Molex connector.
Molex was the first design implemented when this style of connector came out.
The name stuck.
It is the same as calling an adjustable open-end wrench a Crescent wrench)


F) Optical drives:
If you have a DVD burner drive it plugs into the SATA header 2.
(Uses the same style of SATA data interface cable, as the SATA harddrive)

If any of your optical drives are IDE, they plug into the blue IDE header, next to the ram memory slots.

This is what a flat ribbon IDE data interface cable looks like,

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

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

G) The Floppy Disk drive, (If your computer came with one), plugs into the FDD connector shown on the motherboard illustration.
(Black in color, right above the 24-pin ATX main power cable connector)

Do you need information on the USB connections?
Post in a Comment.

Jul 07, 2010 | HP Compaq Presario SR5501F Athlon 64 X2...

1 Answer

I have new case,but can't connect audio,front usb,mic,5v,ground e.t.c cables from case to motherboard because they are not marked on it.Motherboard model HP compaq d530 xw3100


we see each casing have written cable knobe.as hdd/ reset/ power/ we join it on bord .there diagram on about this led/cable.2/ we give power to hdd/ cd room from smps3/ we join fan squire port on bord . fan port is written in bord. 4/we join data cablehdd/cdroom from on board.

Nov 04, 2009 | HP Compaq Motherboard

1 Answer

Constant reboots, replaced most parts


check the capacitors on the motherboard near the cpu and ram. They're the little round cylinders found all over the board. If the tops are bulging out or there is a brownish goo coming out of any of them, this is your problem. Normally the top will be perfectly flat, but if the capacitor has failed it will do what i mentioned above. Sometimes, if it hasn't failed completely, it will cause the motherboard to reboot randomly. I would definitely replace the motherboard if you find this and it should fix your problem. While you're at it, buy another motherboard and CPU and build yourself another entire computer because all those other parts you replaced are still probably good.

Mar 17, 2009 | ASUS P4P800S Motherboard

6 Answers

HP MCP61PM-HM motherboard diagram


Hi RobPu,
I have searched everywhere. I even entered a chat windows with Compaq & asked for a site to download the manual for Compaq Presario SR5015LA Desktop PC which has the motherboard MCP61PM-HM in it. (Nothing). This board was made by
ECS known as EliteGroup. Still nothing. Forms for the most part do not help, only with drivers. Drivers for the board can be found on Compaq's web site.
http://h10025.www1.hp.com/ewfrf/wc/prodinfoCategory?lc=en&cc=us&dlc=en&product=3411762
But the manual will not download. That's what is needed to hook up the front panel pins to you're case. I even looked for other possible boards who's layout was close to the MCP61PM-HM.
Nothing! I did find other Compaq PC's that also had the same board in it but after looking through the manuals, not one actuallys shows where to plug the front panel LED's on to the board. Why? Because Compaq does not support a user changing out their case for another. There is no money in that.
For the most part RobPu, system boards share some things in common. I am posting a picture for you. This pic is upside down for you so try & work with me here. Hook up you're LED's as shown. This should work for you. Pin 1 is you're starting point.
daa3370.jpg This is standard for ECS boards even if it's being sold by Compaq. Like I mentioned, for you it is posted unside down.
Try it, I'm sure it will work for you.

Enjoy!
If I can help you further, feel free to post.
Suggestions & comments welcomed.
Mike

May 22, 2008 | HP VECTRA VLI8 P3 Motherboard (KZM6120)

4 Answers

Pin alignment on motherboard for led switches


Connecting the Front Panel Header

Table 6. Front Panel Header (J9H3)
Pin

Signal
In/Out
Description
Pin
Signal
In/Out
Description
Hard Drive Activity LED
Power LED
1
HD_PWR
Out
Hard disk LED pull-up (330 ω) to +5 V
2
HDR_BLNK_GRN
Out
Front panel green LED
3
HDA#
Out
Hard disk active LED
4
HDR_BLNK_YEL
Out
Front panel yellow LED
Reset Switch
On/Off Switch
5
Ground
Ground
6
SWITCH_ON#
In
Power switch
7
FP_RESET#
In
Reset switch
8
Ground
Ground
9
+5 V
Out
Power
10
N/C
Not connected

Apr 01, 2008 | Compaq (283983-001) Motherboard

1 Answer

D530 CMT minttower power problem


Hi, from your description it appears your power supply is ok.

Remove your RAM chips, clean everything with a soft brush or a can of compressede air [from computer store] Reinstall the RAM making sure it is seated firmly.

If this does not solve the problem, Are you using 1 or 2 RAM sticks? if 2 then remove them again and swap them around.

stick one in dimm2 and stick 2 in dimm 1.

If you only have one stick then beg or borrow another stick and try it. If all fails you may have developed a mobo problem.

Regards mistyman

Oct 13, 2007 | Compaq d530 CMT PC Desktop

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