SilentSpider
кросс что ?

а которая из них кросс-прошивка?
NEC ND-3520A
Currently supplied as binaries suitable for flashing in DOS. The package includes original stock firmware, RPC1 with Rip Lock, and Rip Lock only. 1.04 Binaries and Flasher, 1.24 (IODATA) Binaries and Flasher, 1.25 (IODATA) Binaries and Flasher, and 3.04 Binaries and Flasher.
Windows Versions 1.04 TDB Windows Flasher, 1.24 (IODATA) TDB Windows Flasher, 1.25 (IODATA) TDB Windows Flasher, and 3.04 TDB Windows Flasher.