ins64a.dat

linux 的引导程序源码The Microsoft&reg Windows&reg Software Development Kit (SDK) provides the documentation

#  The following parameters select appropriate colors
#  and proper screen positions for the 'ins64a.bmp' graphic
#  Note the mixed use of character and pixel addressing on the
#  'bmp-table=' line.  No timer is displayed unless the 
#  'bmp-timer=' entry is uncommented.
#

bitmap = ins64a.bmp

bmp-colors = 14,11,,15,9,0
bmp-table = 21,284p,2,7,175p,4
bmp-timer = 73,29,12,8,0