Network Adaptor Start-Up Disc

Bundled with the Network Adaptor (SCPH-10281 or SCPH-10350) in NTSC-U regions (North America). Later rebranded to "Online Start-Up Disc" and bundled with all slim PS2 consoles (SCPH-7XXXX - SCPH-9XXXX). Used to write network configuration data to the memory card which can be accessed by games that support online mode. Also contains some instructional videos about connecting the PS2 to the internet. Many different versions exist, depending e.g. on the region or whether it was sold with the modem-variant of the Network Adaptor or the Ethernet-only variant etc.