GA-Z77X-UP5 TH hot-swapping drive problems

New build with a Gigabyte GA-Z77X-UP5 TH mother board, Intel i7 3770K, Thermaltake TGP-750 power and Level 10 case, 32 GB G skill 1600 ram, Gigabyte GTX 660oc,Samsung 840 128BG ssd for op system, 2 WD RE4 500BG storage drives, running Windows 8 pro 64bit. Booted Bios up and checked that everything was set to AHCI for the ssd and hot-swapping storage drives. Board REV: 1.0 and Bios F11

Board was set to AHCI by default so didn't have to change anything for AHCI. My understanding was that Windows 8 had AHCI south bridge drivers like Windows 7 did so no need to add drivers before loading Windows 8. Install went fine......Gigabyte driver disk would not run on Widows 8 even though the box said Windows 8 ready. No problem got drivers from Gigabyte web site (probably newer drivers anyway...so better)....all seemed to go well. Problem !!!! drives do not show up on tray to eject or hot-swap if you will. Also can not right click to eject in "My computer". They show up in "My computer" and function fine just can not eject or hot-swap. In "Device Manager" under IDE ATA/ATAPI Controllers only "Intel (R) 7 series/C216 Chipset Family SATA AHCI Controller" is showing.... not all the separate channels like in my Windows 7 build.....which hot-swapping is working fine.

What went wrong ? Seems very odd....everything works fine but can not eject drives. I have know problem starting over and reloading Windows 8 ...but want to understand what went wrong 1st so I don't repeat the mistake. Is it possibly something is wrong with Gigabytes Win. 8 drivers.....did I miss a driver ? Do they not have all the drivers under my mother board name ?

I really could use some help with this if anyone out there is using this board and windows 8. Can you eject your drives ? Where did you get your Drivers ? Is this a known Gigabyte or Windows problem ? I have been Googleing this and can not find it happening with anyone else. Thanks for any help......Peter