Source: MiniDisc Wiki contributors · September 3, 2026 snapshot · CC BY 4.0, except where otherwise credited.
Attribution and changes
Adapted from “CXD2671”. Links, layout and file names normalized; missing database fields restored; remote embeds replaced with links. Manufacturer manuals and separately credited photographs retain their original attribution.
A Sony ATRAC Type-R, NON-NETMD IC, found in the mz-r501, mz-r700, and mz-r900.
| Page | Device type | Release date |
|---|---|---|
| Sony MZ-R909 | portable | 2001/08 |
Advanced Info
0x60000 (384k) Flash Size
0x4000 (16k) SRAM Size
ARM7TDMI CPU Core
Firmware Dumps
Thanks Sir68k and Asivery for providing these dumps!