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Very odd HDD detection problem

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Exterous

Super Moderator
I have a P45 GA-EP45-UD3L motherboard in my HTPC. It has a very odd problem with attached hard drives. Occasionally it will hang at some point during the boot process, typically on the gigabyte splash screen. When I go into the BIOS I noticed that it is detecting the hard drive on two different channels: 1 and 4. The drive shows up twice in the boot priority list as well

If I move the drive - the old unused phantom detection goes away but the previously detected channel becomes the phantom drive

Ex: it was in channel 1 and was detected on 1 and 4
I move it to channel 2. Now it is detected on 1 and 2

There is no way that I can see to specifically turn off the channels in the BIOS but if I turn auto off on the channel the problem goes away for 5+ boots but then it will return.

Any ideas?
 
Very wierd. Never had that problem with a number of Gigabyte P35 (GA-P35-DS3R v1.0) and P45 (EP45-UD3P) and X48 (GA-X48-DS5) boards.
 
Its probably worth noting it does it other hdds as well

abekl said:
Sounds like a flaw in the bios. Is there an update available?
Click to expand...

No - its the latest one. It just started happening fairly recently

VirtualLarry said:
Very wierd.
Click to expand...
Agreed. Never seen anything like it before

Never had that problem with a number of Gigabyte P35 (GA-P35-DS3R v1.0) and P45 (EP45-UD3P) and X48 (GA-X48-DS5) boards.
Click to expand...

Yeah this is the first problem I've ever had with a gigabyte motherboard
 
Have you tried connecting two drives at once (one of them on the "phantom channel", perhaps) to see what happens? Maybe it'll magically be fixed, since it sounds like a BIOS bug.
You might want to try Gigabyte support, see what they have to say...
 
ericloewe said:
Have you tried connecting two drives at once (one of them on the "phantom channel", perhaps) to see what happens? Maybe it'll magically be fixed, since it sounds like a BIOS bug.
Click to expand...

Interesting idea. I will give it a shot

You might want to try Gigabyte support, see what they have to say...
Click to expand...

Yeah - I emailed them. No response to my last two emails
 
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