On Thu, May 12, 2005 at 09:58:10PM +0200, alexander wrote: > I'm writing a little app in 32 bit x86 (386 minumum) assembly, where I need to access > some memory in the BIOS range. The real address is 40h:6Ch (virtual = ((0x40<<4) | 0x6C)). Just use /dev/mem. It will do what you want. Look at src/tools/tools/pirtool for a simple example. BMS