The P20 or the P25 digital backs will not display a capacity greater than 8 GB when using a Compact Flash Card®.
The P20 and P25 firmware was optimized to format CompactFlash® cards for the largest anticipated size at that time, which was 8 GB. Currently, if you format CompactFlash® cards bearing a capacity larger than 8 GB the available capacity of the CompactFlash® card will be 8 GB.
There is no solution for formatting within the P20 or P25 Back. However you could simply format CompactFlash® cards bearing a capacity larger than 8 GB in either your Mac or PC computer (or in one of our newest digital camera backs if available; i.e. P45, P30, P21). Using smaller cards is recom...