D-Link DIR-615 rev E1

See Fry's Electronics FR-300RTR rev A1 which shares the same hardware. There is a good high-res image hosted there (alternatively here on the DD-WRT forums where it was originally posted).

Links of Interest

 * D-Link DIR-615

Flashing DD-WRT
On DD-WRT Supported Devices list

Flashing OpenWRT
DIR-615 series on OpenWRT Wiki

Reverting to OEM Firmware from DD-WRT
DIR-615 Rev.E: How to use Emergency room to burn firmware