Gary,
You did not specify the motherboard you used, but that MAY be a normal signal it makes when the power is disconnected or drops too low.  Can you swap power supplies to check?  My new SOYO KT400 Ultra Platinum lets out a scream when the power is disconnected.  That was a new experience for me!
Good Luck,
Jim

 ----- Original Message -----
 From: "Gary Johnson" <[log in to unmask]>
 To: <[log in to unmask]>
 Sent: Friday, January 24, 2003 5:42 PM
 Subject: [PCBUILD] motherboard woes?


 Hello All,

 Recently, I have completed a mobo & cpu swap on my system along with new hard drives. On occasion, Windows XP will just quit running, forcing a hard re-boot. When I press the power button, I won't get a POST. Instead of the single beep signifying the POST, I'll hear alternating high-low tones (beeps) like the sound you hear from a European Police vehicle's siren. This is getting very frustrating. Everything could be running fine for weeks, then this crops up again. Could this be the motherboard or maybe memory modules? I have pulled them out and pushed them in again when this problem happens but there was no effect. Any responses are appreciated.

 Regards,
 Gary J.

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