Intel PD440FX Product Manual page 74

5
Technical Reference
Table 20. I/O Map (continued)
Address
(hex) Size
0377 1 byte
0377, bit 7 1 bit
0377, bits 6:0 7 bits
0378 - 037F 8 bytes
0388 - 038D 6 bytes
03B4 - 03B5 2 bytes
03BA 1 byte
03BC - 03BF 4 bytes
03C0 - 03CA 2 bytes
03CC 1 byte
03CE - 03CF 2 bytes
03D4 - 03D5 2 bytes
03DA 1 byte
03E8 - 03EF 8 bytes
03F0 - 03F5 6 bytes
03F6 1 byte
03F7 (Write) 1 byte
74
Description
Floppy Chan. 2 Cmd.
Floppy Disk Chg. Chan. 2
Sec. IDE Chan. Status Port
Parallel Port 1
FM Synthesizer
VGA
VGA
Parallel Port 3
VGA
VGA
VGA
VGA
VGA
Serial Port 3
Floppy Channel 1
Pri. IDE Chan. Cmd. Port
Floppy Chan.1 Cmd.
continued
Table 20. I/O Map (continued)
Address
(hex) Size
03F7, bit 7 1 bit
03F7, bits 6:0 7 bits
03F8 - 03FF 8 bytes
04D0 - 04D1 2 bytes
0530 - 0537 8 bytes
0604 - 060B 8 bytes
LPT + 400h 8 bytes
0CF8 - 0CFB* 4 bytes
0CF9** 1 byte
0CFC - 0CFF 4 bytes
0E80 - 0E87 8 bytes
0F40 - 0F47 8 bytes
0F86 - 0F87 2 bytes
FF00 - FF07 8 bytes
FFA0 - FFA7 8 bytes
FFA8 - FFAF 8 bytes
* Only by DWORD accesses.
** Only by Byte accesses.
Description
Floppy Disk Chg. Chan. 1
Pri. IDE Chan. Status Port
Serial Port 1
Edge/level triggered PIC
Windows Sound System
Windows Sound System
ECP port, LPT + 400h
PCI Config. Address Reg.
Turbo & Reset Control Reg.
PCI Config. Data Reg.
Windows Sound System
Windows Sound System
Yamaha OPL3-SA Config.
IDE Bus Master Reg.
Pri. Bus Master IDE Reg.
Sec. Bus Master IDE Reg.