Nintendo 64DD - Firmware (TOSEC-v2009-12-10)

"The Nintendo 64DD (ニンテンドウ64DD, Nintendō Roku Jū Yon DD) ("DD" being short for "Disk Drive", and originally "Dynamic Drive") was a peripheral for the Nintendo 64 games console. It plugged into the N64 through the EXTension Port of the Nintendo 64's bottom side, and allowed the N64 to use proprietary 64 MB magnetic disks for expanded data storage. Although it had been announced before the launch