ESATA - No Hotswap - Connected drives going to sleep - BSOD

Hello Forum,
I have a brand new HP Envy 700-215xt, running Windows 7 Home Premium.
I purchased an eSATA bracket so I could hotswap two external drives.  DRIVE 1 is a 1TB SAMSUNG drive in an enclosure by Acomdata.  DRIVE 2 is a Hitachi 250 GB laptop drive in a simple no-name enclosure.
*** PROBLEM #1 ***
Both drives show up fine in Windows if they are attached and powered on before booting up.  Neither of the drives appear at all when powered up after the computer is already booted.  Going into device manager and selecting "Scan hardware for changes does nothing.  The only way to make the drive available to the OS is to reboot the computer.  This is very disappointing.  I thought eSATA was supposed to be hotswappable. 
Since both drives worked exactly as expected on my Win XP machine, I suspect this has to do with the motherboard or BIOS settings.  Please help me get this feature working.
*** PROBLEM #2 ***
Even when the drives are recognized by the OS, after a few minutes of inactivity, the SAMSUNG drive "goes to sleep".  I can actually hear it spin down.  When I try and and access the files through the explorer or any other application, I hear the drive spin up and I have to wait on order of 15-20 seconds for the drive to wake back up.
I have even gotten a few BSODs, especially when I try to shut down the computer while the Samsung drive is asleep.  I have to do something to wake up the drive before I can shut down.
Where are the settings for me to disable this annoying behavior?
Thanks for your help,
-Steve
This question was solved.
View Solution.

eSATA on HP PC's depends on what its plugged into.
If you have an external PCIe card, this will hotswap if the card allows it. There is nothing within the motherboard to stop that, its an external controller and will function as such.
If your external esata card is simply a port with a cable going to one of your sata ports then you will need to have it going to either a port on the motherboard labelled as esata, or a sata port that allows you to select internal or external in the bios.
Not all HP's are very forgiving in this regard. I have an Elite 8200 CMT at work and that has one esata port. We have an external caddy in it with two bays, but we can only use one due to the limitations of this board. And the sata ports on this board can't be selected as external.

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