En fait, il existe plusieurs versions firmware 2.18 non officielles avec différentes fonctions pour le Nec 3500:
3500W218:
RPC1 and Riplock Removed
218_SE:
Support ALL supported DL media at 4X, RPC1, Riplock Removed
218btrpc1:
Bitsetting support for SL DVD+R and DVD+RW, RPC1 & Riplock Removed.
218_liggy_Ritek_SE:
Supports bitsetting for DVD+R/+RW/+R9 formats, RPC1 and Riplock (7X for DL and 12X for SL media), Speed hacks: 4X for ALL supported DL media, Ritek R03-01 Supported at 12X, Ritek R03-02 Supported at 12X, Ritek R04-01 Supported at 16X
Quant à la version 2.28, il semble qu'elle soit moins interessante que certaines versions 2.18:
NEC 2.18 09/11/04:
BitSetting DVD+R (No) DVD+R9 (Yes) DVD+RW (No)
218btrpc1 15/11/04:
BitSetting DVD+R (Yes) DVD+R9 (Yes) DVD+RW (Yes)
NEC 2.28 05/11/04:
BitSetting DVD+R (Yes) DVD+R9 (Yes) DVD+RW (No)