Solution:

The Toshiba LTM10C273, LTM209A, and LTM10C042 have same pin assignments. So, the LCD cable for lightening these LCDs are also same. The only difference is VGA BIOS. The PCA-6159H provides a function of selecting panel type in BIOS setup main. No special VGA BIOS is needed to active this LCD. For lightening Toshiba LTM10C273 LCD, two things you should to do. 1. Please select "800X600 TFT" for "Panel type" in Integrated Peripherials item of BIOS setup menu. 2. The signal level of LTM10C273 is 5V. You must select +5V for panel video signal via J12 of PCA-6159H.