Thanks for your report. You need to say /dev/sdb rather than (sdb). However, this won't work anyway because the installer doesn't support Intel Macs yet: this is also bug 46853, and will be fixed soon.
Thanks for your report. You need to say /dev/sdb rather than (sdb). However, this won't work anyway because the installer doesn't support Intel Macs yet: this is also bug 46853, and will be fixed soon.