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Computer Only Beeps When Turning On

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February 25, 2010 9:30:50 AM

Hello all,

I have a homebuilt computer that I identified recently has bad RAM. I removed three of my four sticks of RAM and placed them on an anti-static sheet while I tested the first stick. Everything was fine last night while I ram Memtest for 7 passes. I then turned the computer off and went to bed. This morning, I reseated the RAM tested last night in a different DIMM slot to test the DIMM slots individually before continuing to test the RAM that way I could properly identify the problem. I made a mistake, however, that I didn't identify until a few minutes later in that I forgot to turn off the power switch at the back of the computer and unplug the power cable. Yes, I can hear all you seasoned computer geeks hissing back there. When I closed up the case and turned it on, I got no display and the computer only beeps three times, one long and two short. It repeats this until I turn the computer off. After properly disconnecting the power, I tried a different RAM stick in a different DIMM slot with the same result. I decided to switch the power off and leave it that way while I enlisted some help. That's where all you lovely people come in. Did I short out my computer and, if so, how do I know to what degree I have damaged the internal components and is there a way to fix it other than replacing the components one by one? Please let me know as soon as possible so that, in the worst case, I can get started rebuilding this thing from scratch.

Thanks for the help,
sincerely,
Caboose

More about : computer beeps turning

February 25, 2010 10:05:58 AM

No worries, it's a simple memory frequency mismatch error. Let me know the mobo model and the memory FSB.:) 
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February 25, 2010 10:15:40 AM

It's an ASUS M2N-SLI Deluxe Mobo. As far as memory FSB, I'm a bit of a newbie to computer building and parts, could you translate that for me please? It's Crucial RAM if that helps. Two sticks are

Crucial Ballistix 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model BL2KIT12864AA804 - Retail

the other two are

Crucial 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model CT2KIT12864AA800 - Retail

I hope that's what you're looking for. I will check the forums again tonight after work and school. Thank you for the help.

-Caboose
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February 26, 2010 1:25:50 AM

After doing some digging tonight and discovering what FSB was and digging into some online pages, I've found that it looks like my CPU doesn't have a FSB...if that's possible. My CPU is an AMD Athlon 64 x2 6000+. From what I'm finding (if this is correct) it uses a Hyper Transport Bus. This is clocked in at 1GHz and is also listed at 2000 MT/s. I hope that is the information you were looking for and that someone can glean how to fix my system out of this. Thanks.
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February 26, 2010 4:39:28 AM

You can download the mobo manual from the website.
http://support.asus.com/download/download.aspx?model=M2...

- Turn off the computer, unplug the power cord.
- Remove the onboard battery
- Move the jumper cap from pin 1-2(deafult) to pins 2-3. Keep the cap on pins 2-3 for about 10 seconds and then move the cap back to pins 1-2.
- Reinstall the battery.
- Power on the computer
- Press and hold the Del key and enter the BIOS in order to make the necessary changes.

JUMPER: CLRTC

Location: near the CMOS Battery.

Please refer to the manual for more info on page: 19 Section 2.6 Jumper.

All the best :) 
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March 1, 2010 4:06:26 AM

Any Updates :) 
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