emergency help for a new computer build

[lamontbond]

this is my first computer that i am building so i will give you all the specs
i have a:

machspeed v2dp mobo socket a
oem athlon xp 2600+ barton 512kb l2 chip
super lanboy case
western digital 80 gb hd
sony 16X dl dvd burner
allied 400w power supply
mascool heatsink and fan
arctic silver 5 thermal greese

i just put it all together today including the thermal greese applied properly i think based on the guide somewhere in these forums. when i started up the computer 1) the fan and leds lit up 2) it beeped like a normal computer beep when it first starts up (low and short) 3) it shut down completely.

I tried resetting the cmos, changing the jumper settings to 100, 133 and 166 and nothing. it will start up the exact same way no matter what i try. please help

 

[mechBgon]

Check your heatsink installation against the third and fourth photos here. If you put a shim between the CPU and heatsink, take it out.

Also, if your WD drive is not already jumpered for Single Drive, do that (assuming it's on a separate data cable). Single Drive is done by taking off the jumper cap from the pins and leaving it that way.

 

[lamontbond]

i installed the cpu heatsink and fan correctly and i put on the arctic silver correctly. as for the drives i tried it without any drives connected but it still doesn't boot up to bios. wtf????

 

[imported_2x]

According to their web site, these are the beep codes:

When powering up my computer, I hear weird beeps?
Solution for Socket A Boards: Refer to beep code table below.

Beep Code Symptom Possible resolution
One long beep continuous loop Memory failed Try new memory
High/ Low beep CPU overheat CPU fan connected CPU fan needs to be replaced, Bad CPU
One long followed by 3 short Video Problem Need to try new video card

link: http://www.machspeed.com/knowledgebase.htm

 

[Rhin0]

This might sound stupid but do you have BOTH of the power connectors hooked up?

 

[lamontbond]

what do you mean by both power connectors????? which connectors?

 

[mechBgon]

Originally posted by: lamontbond
i installed the cpu heatsink and fan correctly and i put on the arctic silver correctly. as for the drives i tried it without any drives connected but it still doesn't boot up to bios. wtf????

The main behaviors that I can associate with auto-shutoff are (1) CPU overheat for some reason (reversed heatsink and/or clip being the usual reasons), or (2) a short-circuit condition. But here are some more things you can check:

1) first, ensure that the board's CPU-Fan header has an RPM-sending fan plugged onto it. Some motherboards will refuse to stay running if they aren't getting an RPM signal on that header. Check your motherboard owner's manual to see if there's an override key, if necessary.

2) is your ATX12V cable plugged in (I'm assuming the board takes one, never seen that model myself)

3) is your mobo mounted on standoffs like it ought to be

4) is your video card definitely bottomed out in the slot, which has two layers of electrical contacts to get through

5) as a fact-finding step, unplug any case wiring such as front USB ports


and I have a whole slew of other brainstorms for ya here, the top link on the page there. If necessary, take the motherboard out of the case, lay it on cardboard, threaten it with violence, and then do a bare-bones test with just the absolute essentials (CPU, heatsink/fan, video card, one memory module, no drives, no keyboard, no mouse).

Welcome to the Forums, by the way

 

[lamontbond]

there is no room for a 12v but i did notice now that the twenty pin power supply cable that is supposed to hook into the mobo has 24 pins and it looks like the last four are the same as a 12v. but there is nowhere else on the board to plug in the 12v. i took the mobo and processor out of the case and put it in a cardboard box and it still doesn't work, same problem. should i reinstall the cpu with more thermal paste?

 

[mechBgon]

If the PSU has 20 pins, get them into the holes shown in this image, which is from a different situation but illustrates the ones you want hooked up:

http://pics.bbzzdd.com/users/m...I_DELUXE_POWER_RQs.gif

Look carefully at the image. The little protrusion that the plug latches onto is on the left edge of the fitting there, to help you get oriented. As the image says, do not plug your ATX12V cable into the four vacant holes, because they're not wired the same.

edit: if Machspeed has simply put their ATX12V socket right in line with the 20-pin ATX, but it really is an ATX12V socket, then that would be OK. Consult your owner's manual carefully about this.

 

[lamontbond]

i am pretty usre that i put it in correctly any more suggestions

 

[lamontbond]

Originally posted by: mechBgon

Originally posted by: lamontbond
i installed the cpu heatsink and fan correctly and i put on the arctic silver correctly. as for the drives i tried it without any drives connected but it still doesn't boot up to bios. wtf????

The main behaviors that I can associate with auto-shutoff are (1) CPU overheat for some reason (reversed heatsink and/or clip being the usual reasons), or (2) a short-circuit condition. But here are some more things you can check:

1) first, ensure that the board's CPU-Fan header has an RPM-sending fan plugged onto it. Some motherboards will refuse to stay running if they aren't getting an RPM signal on that header. Check your motherboard owner's manual to see if there's an override key, if necessary.

2) is your ATX12V cable plugged in (I'm assuming the board takes one, never seen that model myself)

3) is your mobo mounted on standoffs like it ought to be

4) is your video card definitely bottomed out in the slot, which has two layers of electrical contacts to get through

5) as a fact-finding step, unplug any case wiring such as front USB ports


and I have a whole slew of other brainstorms for ya here, the top link on the page there. If necessary, take the motherboard out of the case, lay it on cardboard, threaten it with violence, and then do a bare-bones test with just the absolute essentials (CPU, heatsink/fan, video card, one memory module, no drives, no keyboard, no mouse).

Welcome to the Forums, by the way

thanks you were right my problem was in your list of brainstorms. it turned out that the power switch from the case was shutting down the computer completely after a few seconds. i am using the reset switch as the power and now it works fine. thanks again.

 

[mechBgon]

Cool, an adapt-&-overcome solution