Thanks (a bit late) for your answers.
The link to the siliconimage homepage was interesting, because even
there I could find 2 different "facts": It is able and it is not able to
support drives with more than 137 GB. My emailed question was not answered.
So I tried and bought a 160 GB drive. While booting, the CMD-BIOS
displays about 31 GB, but formatted with Linux 2.4.19 it shows the
I wrote the drive completely full to be sure that no modulo 128 GB
effect takes place, and it did not.
So for me it works with 160 GB.