ok after you have mounted the epg and box has rebooted go to menu-setup-epg-settings--epg location change to /media/usb , press green button for ok, go into
"configure"..cross epg setup..enable csv import to yes,schedule download once a day,time??? press ok to save exit back to crossepg---open tv providers-sky uk open tv astra2 on 28.2 press ok green tick appears press download ,page will change and come back after a few mins then press save and exit out of system. you should have epg on channels now.
for the swap file go to menu system hard disc-initialisation and select usb,red to initialise when done go to convert ext3 filesystem to ext4,select usb might take a few minutes or longer,then blue button-vix,swap manager,you may get a number of settings for swap size i chose 96mb,then choose the coloured butons and you should see a green tick for enable swap at startup and status active.
hit and miss with me also still learning lol