miniDSP Ltd – Hong Kong /
www.minidsp.com
/ Features and specifications subject to change without prior notice
38
7.3.2
Mac OS X
1.
Connect the processor to your computer via USB (if not already connected) and power it on.
2.
Start the DDRC-22 utility program.
3.
Click on the Connect button. The button will display a green tick if connection is successful.
4.
Click on the Upgrade Firmware button. The Dirac Series processor will be put into boot loader mode and
the miniDSP bootloader program will start. The status display should show “Device attached”.
5.
Click on the Import Firmware Image button and select the .hex file located in the firmware folder of the
download. It will have a name like ENC_DDRC22_Ver2.18_SS.hex.
6.
Click on the Erase/Program/Verify Device button. The status display will indicate progress. Do not
disconnect the USB cable or remove power from the processor while this runs!
7.
After the status indicates that the verify has completed successfully, click on the Reset Device button, and
then quit the bootloader program.
8.
Return to the DDRC-22 Utility program. (If there is a dialog informing "Connection to DSP closed," click on
OK.) Click on the Connect button, and then on About to verify the new firmware version.
