New GCC-4521B firmware 1.07

A new firmware has been released for the Combo GCC-4521B drive, with the following changelog:

¡Ø New firmware (ver. 1.07) for only GCC-5421B(52X Combo Drive)

¡ß Model:GCC-4521B
¡ß Ver:1.07
¡ß Improvement Point
-. Improvement of recording quality for CD-R/RW media
-. Improvement of playability for Video CD

It can be found on and as well.