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Asus M2R32 motherboard: defective RAID/AHCI?

I mentioned in a previous post here that I picked up some additional hard drives.  The 750 GB drive is running happily in an external eSATA-connected enclosure and is providing backup for my machine.  The other two drives are sitting on a shelf, and will remain there indefinitely.  There is a story behind their banishment from my computer.  It isn’t that there is anything particularly wrong with the drives themselves: I’ve finally concluded that my Asus motherboard has crappy RAID/AHCI support.

I have spent the last couple of days repeatedly building and tearing down my machine.  First I built a RAID 1 array.  Bear in mind that the drives I’m using are good quality Seagate 7200.10 drives: they have full SATA2 support, including Native Command Queuing (NCQ).  The drives they displaced were high-end WD Raptor 1500ADFD drives: arguably, the Raptors are better drives, but I had suspicions that WD drives might be behind my problems putting my system into standby mode in Vista.  I was wrong.

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Technical difficulties

I run my main computer slightly on the edge.  I don’t overclock it, but I do have some of the latest hardware inside, and the latest drivers.  I build (assemble the bits, install and configure the OS) it myself not because I consider myself particularly brilliant, but because it sort of makes me feel good. 

I am pretty technically proficient.  However, I build one (1) completely unique computer per year more or less: you don’t learn all the ins and outs of a build when you only create one of them.  And as a result of the “one of a kind” nature of my configuration, I am periodically caught by a problem.  That’s what this post is about.

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