IPL006.ASM = EPSON QX-10 IPL ROM V0.06 disassembled source
IPL003.ASM = EPSON QX-10 IPL ROM V0.03 disassembled source

The corresponding .PRN .HEX .SYM and .BIN files were generated
with the Digital Research MAC assembler 2.0 including library Z80.LIB

The main difference between the two versions is the V0.03 IPL
appears to pre-date the Color Monitor Sub-board option