Question about Abit IS7 Motherboard

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Computer not powering up intermittently - Abit IS7 mobo

Lately my home-built computer has been not starting up intermittently regardless of how many times I press the power button. The problem has been getting worse. The first few times it happened, I just kept pressing the power button and eventually it would come on. The other day I had to open up the case, cleared out some dust and voila, it powered up. Today I wake up and have been dusting it even more and nothing. Eventually it powered on. So I powered it down to put the case back together and prop it back up in the correct position and bam... it won't power up again. I don't have any other comps. I think I've got all the dust out of it. Not sure what to do now. Any ideas? Thanks kindly for any suggestions

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  • Tayabi tayabi Mar 16, 2007

    Thanks for the advice tomj23.

    I don't have a multi-meter, are they expensive?

    Which end of the power switch do you mean? the one that goes into the mobo?

    Also, how should the mobo be grounded? I don't see a ground cable anywhere.

    Unfortunately, I don't have an alternate PSU. But like I said, I see an LED on the mobo as being lit. But you're saying it could still be a PSU issue?

    Thanks again

  • Tayabi tayabi Mar 16, 2007

    I reseated my Zalman CPU heatsink and cleaned out some more dust/bits and it's powering up again. My gut tells me this isn't the last of it, but we'll see how long this helps.

    Thanks again tomj23.

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I doubt it?s the dust causing your problem, more that likely you?re either: - brushing against a defective cable/component with an intermittent short OR - you have a failing component, sometimes it works, sometimes not. I would take a look at the following: -Check your power switch, it could be failing. Put a multi-meter on the two leads and watch what happens when you pre the button several times. -Check all your interior connections including cards, memory and processor. Also check to ensure your system board is grounded correctly. -Try swapping out your power supply. Let us know what happens and please don?t forget to rate this posting.

Posted on Mar 16, 2007

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Where does the power switch connect to on the motherbord of a is7 ev12


Abit IS7-E (Version 1.2? I see v2 though)

http://www.baber.com/motherboards/abit/p4/abit_is7_e.htm

Larger photo,

http://www.ebay.com/itm/ABIT-IS7-E-Pentium-4-DUAL-DDR-400-865PE-motherboard-/260838150304?pt=Motherboards&hash=item3cbb2a50a0

Scroll down to about half page. Shows a large view of motherboard.

The front of your computer is the Front Panel.

The area of contact pins on the motherboard, that the Main wires from the Front Panel go to; is the Front Panel header.

Motherboard mounted in computer case, the Front Panel is at the Bottom/Right corner.

Rectangular piece of plastic, with two rows of contact pins.
FP101

The Top row is numbered EVEN.
The Bottom row is numbered ODD.

Starting on the LEFT side, going towards the Right; Top row,
Pins 2, 4, 6, 8, No pin 10, 12, or 14. Pin 16. No pin 18. Pins 20, 22, and 24.

If the Pins were X's, and No pin was a Zero -> 0
,it would look like this;
X X X X 0 0 0 X 0 X X X

Going from LEFT side, towards the Right; Bottom row,
Pins 1, 3, 5, 7, 9, No pins 11, 13, Pins 15, 17, 19, 21, No pin 24.

X X X X X 0 0 X X X X 0

A) Pins 2 and 4 are for a Suspend LED cable. In otherwords do not use.

B) Pins 6 and 8 are for the Power On switch

C) Pins 16, and 20; are for a 2-wire Power On LED light.
Pin 16 is for the Positive wire.
If the PWR LED is dim when the computer is on, switch the wires around.

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

E) Pins 5 and 7 are for a Reset switch, IF a Reset switch is used.

F) Pins 15, 17, 19, and 21 are for a speaker.
Pin 15 is Positive ( + ) Pin 21 is Negative ( - )

http://www.elhvb.com/supportbios.info/Archives/MANUAL/ABIT/is7_series.pdf

[Ignore if you are aware;
The above is the motherboard manual, for the Abit IS7-E, and all versions.
It is a PDF file.

The computer you are using now has Adobe Reader on it, which uses PDF files.
After you click on the above link, it may take Up To 30 seconds, before the first page will show.
(May take a little longer with this one)

A PDF file will not show until fully downloaded ]

Page 25 in the Adobe Reader page number box at Top, is for the Front Panel header pinout.

For additional questions please post in a Comment.
Regards,
joecoolvette

Mar 23, 2013 | Computers & Internet

1 Answer

I installed everything the CPU, RAM, and everything else. Connected all switches at the right places and the BIOS is on normal operation. I turn on the computer and its a blank screen nothing shows up....


ok, looking at the specifications All I can recommend is the following. double check the Video card to make sure it is properly seated and that it does not exceed the capabilities of the motherboard. 2 Disconnect everything from the motherboard except the CPU and case wiring/power supply and turn the computer on. If the system completes the post test, you will hear at least 1 beep and should hear several for the video card not being connected, then start installing components 1 at a time till you find the one causing the problem. Start with the Video card and then the ram as these are most likely where your problem is unless you have a faulty power supply which will be the problem if you don't get a completed post with nothing else connected.

Jun 18, 2010 | Abit IS7-V2 Motherboard

1 Answer

No sound device found


From the manufacturer's web-site:
http://www.abit.com.tw/page/en/motherboard/motherboard_detail.php?pMODEL_NAME=IS7&fMTYPE=Socket+478

download the device-driver(s) that you need.

Note that this a "legacy" motherboard -- ABIT may possibly not be creating device-drivers for such a "previous-generation" motherboard that work with Windows 7.

Good luck!

May 29, 2010 | Computers & Internet

1 Answer

Abit is7-e2g shuttdown


observe the CPU temperature,

it could be a heat issue,
try to reseat your heatsink then wipe the old thermal paste and put a thin layer of thermal paste

hope this thing helps

Jan 31, 2010 | Abit IS7-E2G Motherboard

1 Answer

Hi! I have a pc with abit is7-e2 motherboard.. And when i start the pc a red led turns on the board... There is no picture on the screen. I already checked the video card but its working


Just how did you check the video card if you get no image on the screen?
Try another monitor with your computer. If you still get no image, then it's your video card or another component.
If your computer will not pass the POST (power on self test) then you will not get any video output.
Culprits can be the hard drive, the CD, the memory, the motherboard, or the CPU. I would disconnect everything but the CPU, memory, and video and try to start it to narrow the problem. But first, try another monitor.
I've even seen a bad power supply that seems to work keep the video from working.

Jan 16, 2010 | Abit IS7-E2 Motherboard

1 Answer

Sata harddrive max size for abit is7 e2?


hard drive can be as much you want does not have a max size ,anyway not the motherboard you have to worry about if you put bigger hard drive you shold change the power source .

Nov 13, 2009 | Abit IS7-E2 Motherboard

1 Answer

Abit IS7-E2 monitor wont display anything


is this a brand new motherboard?
do you have onboard graphics or a card?
without testing i couldnt say for sure but it sounds like you are not getting power to your graphics on motherboard.
this is usally a common issue for asus motherboards. not easy to fix.
if your motherboard is new i suggest a replacement from the seller.

Feb 24, 2009 | Abit IS7-E2 Motherboard

1 Answer

Upgrading abit is7 mobo


You can upgrade to a celeron-D 3.2ghz or a Intel P4 3.4ghz.

Please rate my response. Thank you.

Jan 17, 2009 | Abit IS7 Motherboard

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