Thanks for reply
work in my computer solution with mounted disk in /mnt/install and with this solution i have new problem.
In PACKAGE SERIES SELECTION I have only A Base Linux system :/
installation ending in few seconds
after few try I see all option in PACKAGE ....
but installation in my computer spanned 5-10s and don't work
change my source to hard disk and write /dev/sdb1 and follow /slackware.