How can I access all bytes of RAM and ROM of my computer?

Question

I tried pointers and reference(&) but when I try to get the info(I am only reading from memory) computer "beeps" and program terminates. NO problem when assigning a pointer to a byte (char *). But when I read that computer beeps. ( x=*p;)

Windows xp, 1GB + 128 MB RAM. I don't know about my eproom + eeproms.

Can I use System() function to use OS commands to reach memory? Do you know any one?

Answer 1

You can't. Modern OSes use virtual mode and memory protection which don't permit this. To access all physical RAM, you'll most likely need to write your own OS or a kernel driver for an existing OS.