inventory test of my 3790: BootBlk B1376-00 7.10 nuvi 3790 Boot Block Sof... Pass
inventory test of my 3790: BootBlk B1376-00 7.10 nuvi 3790 X-Loader Sof... Pass
inventory test of my 3790: BootBlk B1376-00 7.10 nuvi 3790 System Sofw... Pass

I think my new HD id is given by the new firmware(1376) not by de Hardware itself original it was 1101;i will also try voyager56 archive .Tnx