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P67 Sabertooth one beep inquiry

Last response: in Motherboards
July 10, 2011 1:21:58 AM

Hey guys,

My system is beeping once despite posting successfully. I cannot figure out what this beep means (this does not sound like a typical bios error beep). For reference the motherboard manual says that one beep indicates one of three things: 1) VGA detected, 2) Quick boot and 3) no Keyboard.

I started my computer without plugging in a keyboard and the beep sounds quite different and is a bit harsher (you can see the video below). Therefore I do not believe this is the beep the manual indicates.

My system specs;
Asus Sabertooth P67 running bios 1502
Intel I7 2600-K
Asus Nvidia Geforce gtx590
Corsair XMS 3 DDR3 (8 gigs installed)
Corsair 650W PSU

I suspected that this is a possible memory problem.
What I have done so far:
1) I've reset my ram and re slotted them.
2) I've run memtest 86 and found no errors on several runs.
3) Reset BIOS to default settings.
4) Removed all usb devices. The beep still occurs nonetheless.

I have posted videos as reference. As you may gleam from these videos - I uninstalled my graphics driver and have not re-installed it yet.

Video (case side):
Shows the motherboard while the system posts and beeps once. Three red led lights appear then disappear as the system successfully posts. In order: Top right led is the DRAM_LED, lower left -> VGA_lED and lower right is the BOOT_DEVICE_LED.

Video (monitor side)
Gives a reference to the time of the beep relative to the desktop monitor displaying successful post.

No keyboard post.
I attempt to post my computer without a keyboard. The first beep is the beep that I am inquiring about and the second beep at the end signifies that there is no keyboard.

Thanks for your help!
July 11, 2011 3:22:56 AM

I think it is normal, and means set VGA for your boot displays