[ubuntu] Ubuntu not recognizing my hard drives

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http://ubuntuforums.org – So I have a 240GB ssd, a 160GB 7200 hdd, and 2x1TB hdd in a hardware raid 1. I installed windows on the 240GB drive. I want to install ubuntu 11.10 on the 160GB drive. I downloaded the 11.10 alternate iso. The installer recognizes that I have raid configurationm and asks if I'd like to active the raid. If I say yes or no, no drives are found to setup partitions on. I tried putting the sata controller into ahci mode but that still didn't help. GParted was able to locate the drives and their partitions just fine. Where should I go from here? (Hardware)