Rockwell Automation 57C445 AutoMax PC Link Interface Module - Manual (Page 18)

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Table 3.2 - Base Memory Addresses
Memory
Address
MCR Bits
6 5 4 3 2
Remarks
0x8000 0 0 0 0 0 Occupied by RAM in >512k systems
0x8400 0 0 0 0 1 Occupied by RAM in >512k systems
0x8800 0 0 0 1 0 Occupied by RAM in >512k systems
0x8C00 0 0 0 1 1 Occupied by RAM in >512k systems
0x9000 0 0 1 0 0 Occupied by RAM in >512k systems
0x9400 0 0 1 0 1 Occupied by RAM in >512k systems
0x9800 0 0 1 1 0 Occupied by RAM in >512k systems
0x9C00 0 0 1 1 1 Occupied by RAM in >512k systems
0xA000 0 1 0 0 0 Used by EGA/VGA
0xA400 0 1 0 0 1 Used by EGA/VGA
0xA800 0 1 0 1 0 Used by EGA/VGA
0xAC00 0 1 0 1 1 Used by EGA/VGA
0xB000 0 1 1 0 0 Used by MDA
0xB400 0 1 1 0 1 Used by MDA
0xB800 0 1 1 1 0 Used by CGA
0xBC00 0 1 1 1 1 Used by CGA
0xC000 1 0 0 0 0 BIOS Extensions (hard disk controller)
0xC400 1 0 0 0 1 BIOS Extensions (hard disk controller)
0xC800 1 0 0 1 0 BIOS Extensions (possible EGA/VGA)
0xCC00 1 0 0 1 1 BIOS Extensions (possible EGA/VGA)
0xD000 1 0 1 0 0 Used by EMS memory (Default) (See Note)
0xD400 1 0 1 0 1 Used by EMS memory (See Note)
0xD800 1 0 1 1 0 Used by EMS memory (See Note)
0xDC00 1 0 1 1 1 Used by EMS memory (See Note)
0xE000 1 1 0 0 0 BIOS Extensions (normally unused)
0xE400 1 1 0 0 1 BIOS Extensions (normally unused)
0xE800 1 1 0 1 0 BIOS Extensions (normally unused)
0xEC00 1 1 0 1 1 BIOS Extensions (normally unused)
0xF000 1 1 1 0 0 System ROMs, BASIC
0xF400 1 1 1 0 1 System ROMs, BASIC
0xF800 1 1 1 1 0 PC BIOS
0xFC00 1 1 1 1 1 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.