: It lacks unaligned load/store instructions ( lwl , lwr , etc.).

Use a tool like binwalk on the stock firmware. Look for the Realtek signature ( RTL8196 strings). Check the flash size: cat /proc/mtd (if you have SSH access).

: Community members have attempted to compile custom SDK builds for this hardware. Hardware Limitations

is a MIPS24Kc (or MIPS4KEc depending on variant) CPU, typically clocked at 390–400 MHz. It includes: