GIA 63/GIA 63W Installation Manual Page A-1190-00303-05 Revision HAPPENDIX A GIA 63 MAIN BOOT BLOCK UPLOADING INSTRUCTIONSNOTEThis appendix applies to the GIA 63 only, and does not apply to the GIA 63W.A.1 IntroductionThis appendix contains instructions on how to upgrade main boot block software for the GIA 63. Bootblock version 4.01 is required for GIA Main Software Version 4.00 or later.CAUTIONWhile performing this procedure ensure the aircraft is connected to and drawing powerfrom a power cart. A loss of power during this procedure may result in a defectiveGIA 63.A.2 Determining Current Boot Block1. Ensure the G1000 is powered off.2. Insert the airframe specific approved software loader card (containing GIA main softwareversion 4.00 or later) into the top slot of the PFD.3. While holding the ENT key on the PFD, restore power to the PFD.4. When the words appear in the upper left corner of the PFD,release the ENT key.5. Press the CLR key at the “DO YOU WANT TO UPDATE SYSTEM FILES?” prompt.6. Repeat step 3 and 4 for the MFD.7. Restore power to all remaining G1000 LRUs.8. On the MFD use the FMS knob to highlight ‘GIA 1’ on the System Status page.9. On the PFD use the FMS knob to turn to the Software Upload page.