This is what WUFE gave me on Punch out. (After updating before it doesn't recognize the dvd)
/_sys/IOS50-64-v4889.wad FIRMWARE50.19.25 64M
/_sys/RVL-WiiSystemmenu-v386.wad SYSTEM MENU ver386
/_sys/IOS10-64-v768.wad FIRMWARE10.3.0 64M
/_sys/IOS11-64-v256.wad...