Question about Biostar P4M890-M7 Motherboard

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Front panel switch

I changed my mother board of the same kind . after install everything in places , the front panel swich doesn't fit my old case . where can get the front panel switch( the one with color wiress ... on/off speakers // reset etc) my old case the part that plug into motherboard is just in piece with lots of holes . can i modify it ?

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  • vincent paya Oct 26, 2008

    my old cased the front panel with lots of wires plug into the motherboard is just one piece , while the mobo are plits into many piece / procduct biostar P4M900-M7 SE thanx

  • vincent paya Mar 26, 2009

    thanks I got it done



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I personally think you would be better buying a new case,they are pretty cheap,and it will look like a new computer all over again,but it should not be hard buying new buttons for the case,but some times you have to tinker around with the part to see what fits,and what else can be done with it,but if you cant,then buy a new case,i bet you are turning on the computer with a screw driver,by touching the two terminals,which could mess your system up.

Posted on Dec 14, 2008


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1 Answer

Motherboard a8n-vm csm rev 1.10g not turning on when case switch is pushed

Hello try to downlload the manual from here:

By selecting your windows system.
Open the manual folder, and click global for download.
Adobe reader is needed to read the content.

Check all the connections again, especiaily the power connection to the front panel start switch.
Check also the +12 volt 4 pin connection.

Good luck

Feb 25, 2013 | Computers & Internet

1 Answer

Front panel connection to mother board Power switch pin

Hi careyfraser,


1. There are 8 wires from the front panel's casing, excluding USB connectors and front audio cable.

2. Just plug the front panel switch headers to the F_Panel main board connectors. 1 & 2 are positive, if the led do not light change polarity but Im sure it will.

Note:The mainboard provides a front panel connector for electrical connection to the front panel switches and LEDs. JFP1 is compliant with IntelĀ® Front Panel I/O Connectivity Design Guide.

Hopefully this information helps.

Thank you for using FixYa.

Sep 23, 2011 | Asrock G31M-S Motherboard

1 Answer

Need a new power switch assembly

that is not hard to find at all.u will find them to be almost identical in mist computers.just remove everything like the front panel thru the side panel my friend.

Jun 01, 2010 | NZXT Crafted NEMESIS ELITE...

3 Answers

How can i connect front panel audio

You will need to install a extra hardware, a sound card with the internal extension using cable.

You will get extra cable with the sound card which will fit in front panel.

Nov 03, 2009 | Intel DG31PR Motherboard

1 Answer

Front panel Mic not working when connected to Mother Board

Yeah,sounds like the case wasn't designed for that board. Just carefully double check the pins in the manual for the board. If you don't have the manual,check the asus site.

Jul 10, 2009 | ASUS Computers & Internet

1 Answer


Dear user,

pl found front panel pins on your motherboard,
and pins around area write in very small letter and see pins with making on your cable and fitted in that board.


Ravindra Shah

Jun 04, 2009 | HP (D7580-60003) Motherboard

1 Answer

No Power To My emachine


It is entirely possible that the power switch itself has come loose from the case, actually inside the case where it is normally held in place by some type of clip, or even silicone "goo". You may be pressing the button on the outside of the case, but the actual, switch is not being pressed.

You can sometimes see if this is the problem from the side of the front panel, other times you will have to remove the front of the case and verify that the actual switch is in its proper position and held in place.

Jan 25, 2009 | Computers & Internet

2 Answers


If you have not removed the old motherboard from the case, then you can identify the various front panel connectors as you disconnect them and label them. Some front panel connectors have labels printed on the connectors which makes it easy for you to identify its purpose. If you have already removed the old motherboard then you will need to trace each of the leads to the front panel to see what they are connected to (eg. the LEDs and switches etc).
You will also need to identify on the new motherboard the various connectors for each function, eg power LED, hard drive LED, reset switch, power on switch, internal speaker etc. If you are lucky It may be printed on the motherboard, if not you will need to refer to the manual.
NOTE the LEDs are polarity sensitive, if the LED does not light, then swap the connector around the other way.

Nov 16, 2008 | Packard Bell Computers & Internet

1 Answer

Change new motherboard ned help

Hi Vincent:

Motherboards are built to match specific case (chassis) layouts. I've seen many instances of proprietary motherboards (Dell, HP, Gateway, etc.) being different then the exact same motherboard that the manufacturer makes available to the non-proprietary market.

When purchasing a motherboard for personal projects, I've paid special attention to ordering the correct board (same model number, same printed code on the mobo, etc.) and I've still gotten the wrong board --> it's just one of those things that happens when you deal with purchasing hardware over the Internet.

As far as modifying the Mobo goes...I wouldn't recommend trying it - it's likely that you won't be able to (even if you're pretty handy with soldering and chasing down pin-out connections using schematic diagrams) - I've tried and failed more then a few times - and I have more then a few years of electronics experience under my belt and some formal electronic engineering training to boot!

You're better off returning the board and ordering another one - or...if that's not possible, ordering a different case (they're usually less then $100 if you purchase them online).

Hope that helps...

- Lou

Oct 26, 2008 | Computers & Internet

2 Answers

Bios flash

firstly i want to tell you that every motherbord bios has a unique program to control the devices.
it this bios is fit on another board casing then you try to firstly run the mother board with old bios. then copy the bios code by any flashing tool and then remove this bios and fit the dead mother board bios in the casing then flash it and then update it which file you copy the old one.
then your motherboard perhaps go on with the dead motherboard bios.

Oct 16, 2008 | Intel D865GBF Motherboard

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