Manual

3Ć6
Table 3.2 - Base Memory Addresses


 


0x8000 00000 Occupied by RAM in >512k systems
0x8400 00001 Occupied by RAM in >512k systems
0x8800 00010 Occupied by RAM in >512k systems
0x8C00 00011 Occupied by RAM in >512k systems
0x9000 00100 Occupied by RAM in >512k systems
0x9400 00101 Occupied by RAM in >512k systems
0x9800 00110 Occupied by RAM in >512k systems
0x9C00 00111 Occupied by RAM in >512k systems
0xA000 01000 Used by EGA/VGA
0xA400 01001 Used by EGA/VGA
0xA800 01010 Used by EGA/VGA
0xAC00 01011 Used by EGA/VGA
0xB000 01100 Used by MDA
0xB400 01101 Used by MDA
0xB800 01110 Used by CGA
0xBC00 01111 Used by CGA
0xC000 10000 BIOS Extensions (hard disk controller)
0xC400 10001 BIOS Extensions (hard disk controller)
0xC800 10010 BIOS Extensions (possible EGA/VGA)
0xCC00 10011 BIOS Extensions (possible EGA/VGA)
0xD000 10100 Used by EMS memory (Default) (See Note)
0xD400 10101 Used by EMS memory (See Note)
0xD800 10110 Used by EMS memory (See Note)
0xDC00 10111 Used by EMS memory (See Note)
0xE000 11000 BIOS Extensions (normally unused)
0xE400 11001 BIOS Extensions (normally unused)
0xE800 11010 BIOS Extensions (normally unused)
0xEC00 11011 BIOS Extensions (normally unused)
0xF000 11100 System ROMs, BASIC
0xF400 11101 System ROMs, BASIC
0xF800 11110 PC BIOS
0xFC00 11111 PC BIOS
Note: If you are using the PC Link module with the AutoMax
Programming Executive software, you must use one of these
4 base memory addresses.