System Memory Map - Unisys Aquanta CP Series Configuration Manual

Table A–2. System I/O Address Map (cont.)
Address (hex)
04D0
04D1
0534 - 0537
LPT + 400
0CF8 - 0CFB
OCFC - 0CFF
FCF0 - FCF7
FCF8 - FCFF

System Memory Map

Address Range (hex)
FFFF0000 - FFFFFFFF
000100000 - FFFFFFFF
000F0000 - 000FFFFF
000E0000 - 000EFFFF
000C8000 - 000DFFFF
000C0000 - 000C7FFF
000A0000 - 000BFFFF
00000000 - 0009FFFF
3814 9779–000
Size
1 byte INT 1 edge/level control
1 byte INT 2 edge/level control
4 bytes Crystal Audio System CODEC
8 bytes ECP Port
4 bytes PCI Config Address Register
4 bytes PCI Config Data Register
8 bytes Primary IDE Register
8 bytes Secondary IDE Register
Table A–3. System Memory Map
System Shadow BIOS, Read Only (High-BIOS)
Rest of Extended Memory
System shadow BIOS, Read Only (Low-BIOS)
64KB of Extended System BIOS Area
Suggested for optional Adapter ROMs
32KB of VGA Shadow BIOS (If used), Read Only
128KB of Video Buffers Area
640KB of Main Memory
System Specifications
Description
Description
A–7