Promise is offering a bios and driver update for their Ultra 100 TX2 series IDE controllers to support 48 bit addressing to support large capacity drives [I.E. 160 GB].

Bios Version : 2.20.0.11
Driver Version : 2.00.0.29

Available at the following link:

support.promise.com

Note: This update is only for the Promise Ultra 100 TX2 and not the older Promise Ultra 100.

x86-man