Linksys WRT110


 * The serial number for these devices appears to start with MSU0.

"WRTR-230GN_V01" and "190-c05-4000R C:0" is silkscreened on the board.
 * OEM: Gemtek WRTR-230GN (Cisco • Linksys)

Firmware projects

 * Supported by an unofficial fork of OpenWRT (openwrt-leitec)

Forum threads

 * On the DD-WRT forums (note: it's not supported by DD-WRT and likely never will be)