SB4100 Cable modem

Motorola SB4100 surfboard
The CPU of the board uses BCM3345. The tool to debug the CPU is EJTAG (DMA).

Picture showing JTAG pins. Please install tall connector.
Flash One 2MB 28F160C3T
Firmware 2MB $9FC00000-$9FDFFFFF
RAM 16MB $80000000-$81000000


To program sb4100 please visit
Lasted Updated:December 31 2016

Vists since Jan 4,2009