Originally Posted by Mrs_Often
Yep, 90 page turns
. Gets rid of the black flash when reading. Current firmware is so good with ghosting that 6 page turn refresh is even "too" often (for me). Plus, before any ghosting gets in the way I usually do something in the reading menu anyway (check time, for instance), and that refreshes the page (well, exiting the menu refreshes the page).
Oh, I didn't know. Interesting
Since there was some ghosting on the Mini with the previous firmware, I'll stick with the 6 page refresh.