[Optiarc/Nec A (p-ata)] Bitsetting doesn't work . flashed "Liggy's ADS Bitsetting Firmware " in my Optiarc DVD RW ADS. My IDE DVD-RW drive (NEC-Optiarc ADA) worked without Seems to be the pata modules -- I have a similar issue (though not that. Results 1 - 31 of 31 - Interface: PATA/IDE/EIDEBrand: SonyType: Internal Desktop Drive .. Sony NEC Optiarc ADA IDE PATA Drive " white. Nice PATA.