I'm just going by what I see, same as before. In your opening, you claimed to have it installed, but yet this instead:
Originally Posted by borgus
Maybe the one you've found doesn't have the proper hardware id and that's why it didn't install correctly.
Name Standard SATA AHCI Controller Manufacturer Standard SATA AHCI Controller
Status OK PNP Device ID PCI\VEN_1B4B&DEV_9120&SUBSYS_83BA1043&REV_12\4&3480BE95&0&00E6
I/O Port 0x0000B090-0x0000B097
I/O Port 0x0000B080-0x0000B083
I/O Port 0x0000B070-0x0000B077
I/O Port 0x0000B060-0x0000B063 I/O Port
0x0000B050-0x0000B05F Memory Address 0xFB215000-0xFB2157FF IRQ Channel IRQ 18
Driver c:\windows\system32\drivers\storahci.sys (6.2.8250.0, 70.30 KB (71,992 bytes), 2/17/2012 8:37 PM
Either way regardless, you can type msinfo32 in the Start menu and then look there, for yourself. (Components | Storage | IDE)
If it still shows like this instead of the Marvell driver, it's not installed yet.
If it is installed, well how is it going now?