I TRIED TO BOOT MY CPU W/ a WD 160HD AS A SECOND DRIVE. THE MAIN DRIVE JUMPER WAS SET TO CABLE SELECT AND I DIDN'T NOTICE BUT THE 160 WAS SET TO DUAL MASTER. WHEN I TRIED TO BOOT I GOT THREE LONG BEEPS AND THAT'S ALL IT DOES NOW EVEN WHEN I PUT THE ORIGINAL DRIVES BACK AS THEY WERE (IT WON'T BOOT UP). DOES MIXING THE JUMPER SETTINGS CAUSE A CATASTROPHIC FAILURE OR CAN I GET IT BACK TO WHERE IT WAS PREVIOUSLY?