asus motherboard will not boot when drives plugged in

warwagon · May 9, 2013

Starting a new build (parts list to follow) and I am having trouble getting the rig to turn on when either the hard drive or the optical drive or both are plugged into the power supply. If neither of the two drives are plugged into the psu the motherboard will post and I can get into the bios. Any thoughts?

Parts list
Asus M5A99FX Pro R2.0
Evga geforce gtx 660 2GB
AMD FX6300
LG bd-rom
1 western digital caviar 500 gb hard drive
1 western digital caviar black 1tb hard drive
Kingston hyper x blu 16gb ram
Ocz 600 watt psu model ocz600mxsp
Thanks

ronintexas · May 9, 2013

Are you connecting power and SATA connectors to the drive(s)? Also, have you tried with just the power connector (no SATA connection)?

dextermat · May 9, 2013

hi,

Have you tried different sata port because you might not be compatible with your drives

AMD®Serial ATA 6.0 Gb/s connectors (7-pin SATA6G_1-5 [gray])

ASMedia®Serial ATA 6.0 Gb/s connectors (7-pin SATA6G_E12 [navy blue])

after reading the manual:
The SATA6G_E1/E2 (navy blue) connectors are for data drives only. ATAPI device is
not supported ==>
SO YOU HAVE TO USE THE GRAY PLUG IN

Can you test in another computer, I had a bad drive and had the same kind of problem, had to RMA it and now post ok.

warwagon · May 9, 2013

ronintexas :

Have tried every combination I can think of. Only power and no sata, only the hard drives, only one hard drive, only the optical drive, even dusted off an old cdrom drive with a molex connector and plugged only that in, its acting like there is not enough power in this 600 watt power supply but that seems unlikely to me. Wanted to get other opinions before I went overboard and shelled out for a 1000 watt psu

warwagon · May 9, 2013

dextermat :

i am using old drives from my most recent computer. i am upgrading the mobo, cpu, gpu, etc. so they were working yesterday when i pulled them out of the old computer. i am using the grey plugs. i tested the blue plugs just to make sure that i am reading the manual correctly though.

ronintexas · May 9, 2013

I don't think you need a 1,000W PSU....this site has a good wattage calculator: http://www.extreme.outervision.com/psucalculatorlite.jsp

When I build computers, I use the site to estimate the minimum and recommended wattage, then I add 10-20% (you can't get a 547.5W PSU) to get the PSU that has the correct wattage. If the recommended was 460W - I would look for something 500W-550W (460W-500W would work, I like to have a little "extra" just in case).

I would also recommend Antec, Corsair or Seasonic for a PSU. I never use any other brands....not worth the risk in my opinion. I would be shocked if your system required more than 500-550W of power - it sounds like your PSU may either be defective or doesn't deliver the correct power to your system.

ronintexas · May 9, 2013

I plugged in your hardware (adding a few extra items), and minimum was 355W recommended was 405W.

You could use the 430W ($49.99 - $29.99 with rebate), 500W ($59.99) or 600W ($59.99 - $39.99 with rebate).

430W: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139049
500W: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139027
600W: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139028

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asus motherboard will not boot when drives plugged in

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