Intel AN430TX Product Specification - Page 49

components on your motherboard.

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Motherboard Resources Table 36. I/O Map (continued) Address (hex) 03B4 - 03B5 03BA 03BC - 03BF 03C0 - 03CA 03CC 03CE - 03CF 03D4 - 03D5 03DA 03E8 - 03EF 03F0 - 03F5 03F6 03F7 (Write) 03F7, bit 7 03F7, bits 6:0 03F8 - 03FF 04D0 - 04D1 0530 - 0537 0604 - 060B LPTn + 400h 0CF8 - 0CFB* 0CF9** 0CFC - 0CFF 0E80 - 0E87 0F40- 0F47 0F86 - 0F87 FF00 - FF07 FFA0 - FFA7 FFA8 - FFAF Dynamically allocated in PCI I/O space Size 2 bytes 1 byte 4 bytes 11 bytes 1 byte 2 bytes 2 bytes 1 byte 8 bytes 6 bytes 1 byte 1 byte 1 bit 7 bits 8 bytes 2 bytes 8 bytes 8 bytes 8 bytes 4 bytes 1 byte 4 bytes 8 bytes 8 bytes 2 bytes 8 bytes 8 bytes 8 bytes 32 bytes * DWORD access only ** Byte access only Description Video (VGA) Video (VGA) LPT3 Video (VGA) Video (VGA) Video (VGA) Video (VGA) Video (VGA) COM3 Floppy Channel 1 Primary IDE Channel Command Port Floppy Channel 1 Command Floppy Disk Change Channel 1 Primary IDE Channel Status Port COM1 Edge/level triggered PIC Windows Sound System Windows Sound System ECP port, LPTn base address + 400h PCI Configuration Address Register Turbo and Reset Control Register PCI Configuration Data Register Windows Sound System Windows Sound System Yamaha OPL3-SA Configuration IDE Bus Master Register Primary Bus Master IDE Registers Secondary Bus Master IDE Registers USB  NOTE See the Audio section(s) in Chapter 1 for specific I/O addresses that can be used by the audio components on your motherboard. This table does not list I/O addresses that may be used by addin cards in the computer. 49

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Motherboard Resources
49
Table 36.
I/O Map
(continued)
Address (hex)
Size
Description
03B4 - 03B5
2 bytes
Video (VGA)
03BA
1 byte
Video (VGA)
03BC - 03BF
4 bytes
LPT3
03C0 - 03CA
11 bytes
Video (VGA)
03CC
1 byte
Video (VGA)
03CE - 03CF
2 bytes
Video (VGA)
03D4 - 03D5
2 bytes
Video (VGA)
03DA
1 byte
Video (VGA)
03E8 - 03EF
8 bytes
COM3
03F0 - 03F5
6 bytes
Floppy Channel 1
03F6
1 byte
Primary IDE Channel Command Port
03F7 (Write)
1 byte
Floppy Channel 1 Command
03F7, bit 7
1 bit
Floppy Disk Change Channel 1
03F7, bits 6:0
7 bits
Primary IDE Channel Status Port
03F8 - 03FF
8 bytes
COM1
04D0 - 04D1
2 bytes
Edge/level triggered PIC
0530 - 0537
8 bytes
Windows Sound System
0604 - 060B
8 bytes
Windows Sound System
LPT
n
+ 400h
8 bytes
ECP port, LPT
n
base address + 400h
0CF8 - 0CFB*
4 bytes
PCI Configuration Address Register
0CF9**
1 byte
Turbo and Reset Control Register
0CFC - 0CFF
4 bytes
PCI Configuration Data Register
0E80 - 0E87
8 bytes
Windows Sound System
0F40- 0F47
8 bytes
Windows Sound System
0F86 - 0F87
2 bytes
Yamaha OPL3-SA Configuration
FF00 - FF07
8 bytes
IDE Bus Master Register
FFA0 - FFA7
8 bytes
Primary Bus Master IDE Registers
FFA8 - FFAF
8 bytes
Secondary Bus Master IDE Registers
Dynamically
allocated in PCI
I/O space
32 bytes
USB
*
DWORD access only
**
Byte access only
NOTE
See the Audio section(s) in Chapter 1 for specific I/O addresses that can be used by the audio
components on your motherboard.
This table does not list I/O addresses that may be used by add-
in cards in the computer.