Question about Compaq Evo D500 PC Desktop

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Problems with EVO500 mobo power pins

I recently obtained a evo500 mobo. I am kind of throwing a pc together with different odds and ends. So far I have an old 6x cd drive, on old 200w 20 pin psu, 3x 512 mb 133 mhz sticks, a 20 gb 2.5 in sata xbox 360 harddrive (ntfs reformatted of course), a 2.2 ghz pentium 4 cpu, and a AOpen QF50B 7-Bay ATX Computer Case. I bought a molex to p4 adapter for the p4 power supply, a 20 pin to 24 pin psu converter cable, and a sata to ide adapter to get everything nice and hooked up. Now I only have one problem, my mobo is set up to use a single plug type deal for the power button, reset button, etc.. but my computer case came with seperate plugs. One for the power led, one for the power button, one for the reset button etc.... . How can I tell which plug should go where as my mobo does not have them individually labeled? Any help will be greatly appreciated.

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This poage has a link to download a copy of the service manual for that motherboard

hope it helps.

http://www.eserviceinfo.com/downloadsm/5105/Compaq_Evo%20300-500.html

Posted on Feb 02, 2009

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Cant remember password ..how do i reset the computer Compaq evo500


You can remove or change the Window's User or administrator'spassword. You need access to a computer with Internet access to download theHiren's Boot CD and burn it onto a CD. Then insert this CD into the laptop/computer and boot upthe laptop/computer with the Hiren's CD and follow the instructions. There are very useful utilities CD and it a Linux boot CDwhich contains quite a lot of Utility programs including a password removalprogram. Click on one of these links todownload HIREN'S BOOTCD :- http://www.hirensbootcd.net/ http://67.20.82.163/

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I want to get a usb 3.0 hub and plug it to the asus p8p67 pro on the middle of the mother board. What kind of connection is it?


steve_con_58.jpg


The header bus above is for the USB Front Panel interface:

steve_con_59.jpg
This is included in many of the various flavors of the MoBo. If you're looking to use the MoBo connector to supply something other than this Front Panel interface, you're going to need to obtain the pinout of the jack on the motherboard and compare it to the signals required by your USB 3.0 device. The one from Asus is simply gathers the wires and forms them in a single shell - then keys the shell to prevent reverse insertion.

Think of what you have to do as the way USB 2.0 headers are provided on MoBo and the way PC cases have USB jacks built in. The USB header isn't standard; some have 9 pins - some even have 10! They can't seem to get on the same page as to how many pins are needed. The location of the signals on the header are probably different from brand to brand, too. So, the case manufacturers break up all the individual wires and label the signal so that YOU can check the MoBo manual and plug each one in to the correct pin.

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I am unable to install the network card of compaq evo... although i had tried to install driver from hp website of evo300 and evo500 series. please provide the solution for this issue.


There are 3 possible Ethernet adapters for your model.
3COM - Click For DownloadBroadcom - Click For DownloadIntel - Click For Download
Assuming you are using the card that came with the model and not a third party expansion card one of these three drivers should be the driver you require. Most commonly Broadcom is used by HP/Compaq systems so that is probably the best one to start with, Intel second, 3Com last.

Aug 27, 2010 | Compaq Evo D500 PC Desktop

1 Answer

I can't find where the connections of the front panel are on the motherboard or where they go?


The eMachines T2893 desktop computer uses an Inte G845GVSR mobo. (MOtherBOard)

Intel Support>D845GVSR>Motherboard Manual,
(Intel's name - Product Guide),

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

I would like you to left-click on the top file.
Click right on - Product Guide - PDF, in blue.

(File name underneath it is -
File Name: D845GVSR_Product Guide_English.pdf )

May take up to 30 seconds, before you see the first page.
(You will be staring at a blank screen until the first page comes up. The file is downloading in the background)

Took 5 seconds before I saw the first page, and an additional 12 to fully download, using a medium speed DSL connection.

The Front Panel header on the mobo is shown on Page 31. (C on the illustration. J9G1 on the mobo)

The Front Panel connections are on Page 32.

Barring that you cannot download this PDF file, or do not understand the manual, I will detail the Front Panel header connections.

Orienting the motherboard so we are both looking at it the same way;

The Processor is at the top, the ram memory slots are to the right side of the mobo, and the white PCI slots are to the bottom.

There are three PCI slots. The one closest to the Processor is PCI 1.
The one closest to the edge of the mobo is PCI 3.

To the far right of PCI 3 is the Front Panel header.
It's the header located closest to the Right side of the mobo, and the bottom edge, and is directly below the
CMOS battery.

There are two rows of pins.
Four across the top, Five across the bottom.

The top row of pins are numbered Evenly.
The bottom row of pins are numbered Odd.

Starting from the Left side of the mobo, going to the right, on the Top row,

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

Starting from the Left side of the mobo, 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
If you have a wire with a + sign on it (Positive) it goes to Pin 1.

B) Pins 2 and 4 are for the Power On LED.
(Pin 2 to the Green LED lamp, Pin 4 to the Yellow LED lamp, if applicable with your computer)

C) Pins 5 and 7 are for a Reset switch. (If applicable)
(Pin 5 is Ground)

D) Pins 6 and 8 are for the Power On switch.
(Pin 8 is Ground)

E) Pin 9 is for the +5 Volt power.

(You are following Anti-Static precautions, right?)

Have any questions just post in a Comment.
(Believe upper right of your page)

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Odd PC Build Bootup Problem:: I recently built a PC and have an odd problem when booting up. Build: MOBO: M2N32-SLI Deluxe CPU: AMD 6000+ RAM: Corsair 2 x 2048 PC6400C5 GPU: Sapphire Radeon HD 4670 1GB...


Instead of connecting you're fans to a single 4-pin molex on the power supply why not use the motherboards 3-pin molex fan connectors coming off the motherboard. See page 2.2.4 in your manual. Though I agree you should still be able to run 4-pin molex connectors to all fans off of you're PS. Allow the mother board to supply the 12v current to you're extra fans.
CHA_FAN1
CHA_FAN2
CHA_FAN3
CHA_FAN4
You're motherboard will supply the needed power. Less wiring will also allow better air flow through out the system and less strain to the fan controllers.
4-pin molex to 3-pin female; http://www.avadirect.com/product_details_parts.asp?PRID=11410
OR
http://www.microbarn.com/details.aspx?rid=101317&source=froogle

Happy New Year!
Mike

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If you have forgotten your BIOS or system password, there are no software tricks or magical gimmicks that will get the password cleared. Laptops are different in that they are designed to not work with “backdoors” etc. for security reasons. There is one true way that works most of the time and that is hardware.
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Sep 26, 2009 | Sony VAIO VGN-FE880E/H Notebook

1 Answer

Newly built system will not power up!


It seems like you have bad MOBO. I recently ordered all the stuff to build 2 new systems. Built the first one, no power, just like yours. Moved everything to the 2nd MOBO, everything worked. I did a RMA on the DOA MOBO. Got the new one and it fired right up. Sometimes you just get bad stuff.

Please don't forget to rate this solution.

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http://downloadcenter.intel.com/filter_results.aspx?strTypes=all&ProductID=2101&OSFullName=Windows*+XP+Professional&lang=eng&strOSs=44&submit=Go!

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Any problems post back

Good luck

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1 Answer

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complete mobo failure problems heres a link to a cheap psu   http://www.microdirect.co.uk/(3649)400W-P4AMD-quiet-PSU-with-PFC-20-pin-24-pin.aspx or a more upmarket more powerfull http://www.microdirect.co.uk/(11879)ThermalTake-TR2-500W-Black-Silent-ATX-12V.aspx the choice is yours.

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