CD-RW Firmware Upgrades for 32x or Less Models

Diamond Data Rewriteable CD drives have their programs stored in on-board flash memory. The flash memory can be upgraded. Upgrades are released from time to time to improve the performance of the CD-RW drives or resolve specific issues. Other models cannot be upgraded.


  • Mitsubishi Electric Australia recommends that you do not upgrade the firmware in your CD-RW drive unless you are experiencing problems.

  • Make sure that the upgrade that you download is the correct one for your model of CD-RW drive. Do not rely on the drive's speed when selecting an upgrade program as several different models have been released for each drive speed.

    For example 2 models of Diamond data 16x10x40 drive have been released.

  • The upgrades available from this page are only suitable for use with the Diamond Data CD-RW drive models listed. They will not work with other drive models or drives manufactured by other companies.

To check the firmware version of your CD-RW drive do one of the following:

  1. Open the Windows 95 or 98 Control Panel and double-click System. Click on the Device Manager tab and double-click CD-RW. Click Properties and then the Settings tab. The firmware revision will be shown.

  2. Look on the label on the top of the drive. The firmware version is marked at the bottom right-hand corner of the label.

  3. Open Nero Burning ROM and from the main Nero window, go into the Recorder menu and select Choose Recorder. Highlight your CD-RW drive in the list of available recorders, the firmware revision will be listed in the Recorder Information.

DOS Firmware Updates

To upgrade the CD-RW firmware, you will need an MS-DOS bootable floppy disk with CD-ROM support. Please follow the instructions below:

  1. Download the upgrade file for your CD-RW drive to the hard disk and run the file to unzip the contents to the bootable floppy disk.

  2. Reboot the PC using the A: bootable floppy disk.

  3. Make sure that there is no CD in the CD-RW drive and close the tray.

  4. Run the upgrade file by typing its name at the DOS prompt and pressing Enter

    WARNING: Do not turn the PC off until the upgrade has completed. The upgrade will take approximately 30 seconds.

  5. Remove the floppy disk and reboot the PC once the upgrade has been completed.


The latest firmware version for each model of CD-RW drive is listed below. Click on the file name to download the upgrade.


Drive Speed Model Number Most Recent Firmware Revision Upgrade File File Size
6x2x2 6206A-023
1.6A 16a.exe 335 KB
30x4x2 4230A-058 4.KRA 4kra.exe 345 KB
30x4x2 4230A-060 4.FSA 4fsa.exe 375 KB
30x4x4 4430A-058 3.RRA 3rra.exe 345 KB
30x4x4 4430A-060 3.ISA 3isa.exe 344 KB
30x6x4 6430A-058 6.GUA 6gua.exe 345 KB
30x8x4 8430A-058 5.IVA 5iva.exe 375 KB
32x8x4 DD8432-158 5.DW 5dw.exe 345 KB
32x10x4 DD10432-058 7.JZ 7jz.exe 345 KB
32x12x8 DD12832-0xx 9.DA 9da.exe 345 KB
32x12x8 DD12832-1xx 9.CC 9cc.exe 345 KB

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