I want to use monitor51 with Dallas DS5001. I set the dallas with single 32Kb RAM which I split into 8Kb Program Memory and the rest as data memory. I set the debug setting so the off-chip code memory will use 0x4000 until 0x4fff and off-chip data memory use 0x6000 until 0x6fff. The problem is when I start to debug the user program it always show an error message NO CODE MEMORY AT ADDRESS 0x0506 The address is always at 0x0506 even I change all the setting at the debug setting thank you for the advice