Here you go

Do you still need the serial cable for the update?This is now available for download for no charge on the the russound web site
look for
pc_powertool_st_1_0_0_32.zip
here
www russound com slash document-center/20-legacy-products/70-source-equipment/72-firmware-software/[/url]
pcpt_v2_0_1_8.zip
here
www dot russound dot com slash document-center/20-legacy-products/50-cav-cam-systems/56-firmware-software-updates[/url]