1. *** Remember to insert a blank CD in the CD_r drive while upgrade firmware 2. *** Firmware with 0.9P or before can't be upgraded due to hardware limitation 2. LOAD.EXE CDR4210 Firmware DownLoad program. 3. How to do the DownLoad. Copy the files (CR107.BIN, LOAD.EXE) to your HDD. Connect CDR4210 to SCSI I/F. Excute LOAD.EXE on the Windows. Select CDR4210 from SCSI devices. Select the directory of CR107.BIN. DownLoad Size is 2MBit. Press "Go". Immediately "DownLoad Complete" message will be displayed. After that please watch the LED of CDR4210 At first, the LED is off about 10 sec. 2nd, the LED is blinking about 10 sec. 3rd, the LED is off again about 10 sec. 4th, the LED is blinking again about 10sec. After CDR4210 will reset itself and the DownLoad has really done.