I used Daz 1.9.5 and under advanced Check Ignore OEM Partition, Ignore Existing SLIC, Use Legacy mode as default, Disable table sort. And it worked for me
solution for dell dimension 9150 the BIOS is modable with SLIC 2.1, gombal posted a solution that is suppose to work on the Dell Dimension 9150: forums.mydigitallife.net/threads/7178-Dell-Phoenix-Manual-Mod-Thread/page270
download: rapidshare.com/files/421477242/Dell_Dimension-9150_A07_Dell_SLP21_SSv2.rar or here, do a search for 9150: forums.mydigitallife.net/threads/7178-Dell-Phoenix-Manual-Mod-Thread?highlight=Dimension-9150_A07