The Reserved Block Area (RBA) boundaries are set by individual setting a pair of the following parameters:
RBA Area - Start Block - the first memory block of the RBA.
RBA Area - Number of Blocks - the number of blocks in the RBA.
To set the RBA first click the RBA - Start Block submenu line. The setting dialog will pop up:
Type the offset value and click OK. Then click the RBA Area - Number of Blocks submenu line and enter the number of blocks into the pop-up dialog; then click OK to complete the RBA settings.