In other TDBAdvGrids in frames, it sometimes just crops the header, or sometimes crops the header and some rows when at 175%. So the context in where the grid is used in a frame has some influence on the grid display.
Here it cropped the header:
Here it cropped the header and some of the first row:
Same properties as mentioned in the previous post, same parent form, different frames. Only difference is for the Align property, these are both set to alBottom (the grid in the previous post is set to alNone)