IBM Aptiva Hardware Handbook page 157

Table 15: System I/O addresses (Continued)
Address range
(hexadecimal)
01F0-01F7, 03F6
0278-027F, 67B-67A
02E8-02EF
02F8-02FF
0370-0371
0378-037F, 77B-77A
03BC-03BF, 7BC-7BE
03C0-03CF, 3D4, 3D5, 03DA
03E8-03EF
03F2-03F5, 03F7
03F8-03FF
CF8, CFC
46E8
Function
Primary IDE controller
Parallel port 3
Serial port 4
Serial port 2
Reserved
Parallel port 2
Parallel port 1
SVGA controller
Serial port 3
Diskette controller
Serial port 1
Reserved
SVGA controller
Appendix 145