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Liggy's and Dee's modified NEC and Optiarc firmwares

Everything about NEC ND6750A and ND6751A firmwares

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The slimline DVD Burner NEC ND-6750A was announced by NEC in December 2005 and hit the stores shortly after. The NEC ND6751 burner adds support for LabelFlash but both drives - together with the ND7550 and ND7551 - share the same hardware and only differ in firmware. However you should not try to simply flash a NEC 6751 firmware on a NEC 6750 drive or vice versa. This will NOT work. Click here for detailed specifications of the NEC ND6750A.

The following firmwares are available for download here:

Firmware version Download
NEC ND6750 Firmware 2.61 Download
NEC ND6750 Firmware 2.T2 Download
NEC ND6750 Firmware 2.42 Download
NEC ND6750 Firmware 2.41 Download
NEC ND6750 Firmware 2.P1 Download
NEC ND6750 Firmware 2.01 Download

Overview on the used writing strategies

Do NOT try to crossflash between normal and reverse ATA firmwares by using Binflash. This is very likely to DAMAGE your drive or make it INACCESSIBLE!

If you need to exchange master to slave on your NEC ND6750A drive, you should try the NEC Bootcode flasher. There is a NEC ND6750A Master bootcode flasher and a NEC ND6750A Slave bootcode flasher

If you prefer the original DOS software from NEC, you should use the NEC ND6750A Reverse ATA firmware package but be sure to follow the instructions:

  • It it highly recommended to use a slimline to IDE adapter and a desktop PC for this procedure instead of leaving the drive in your notebook. You might be unable to complete this procedure if the drive is still installed in your laptop. The drive has to be attached to the secondary IDE channel, you will probably get an error message on the primary channel.
  • Boot into plain DOS. A command prompt from within Windows does NOT work.
  • Execute the file 6750BTR.BAT
  • Reboot your PC. The drive should now be recognized as a slave device
  • Execute the file NECND6750_v2P1.EXE from within Windows now to flash the main firmware

Changing your drive back from slave to master is not yet supported.

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