System I/O Addresses - Gateway 7400 System Manual

System I/O addresses

The following table shows the location in I/O space of all directly
I/O-accessible registers.
Address
0000h - 000Fh
0010h - 001Fh
0020h - 0021h
0022h - 0023h
0024h - 0025h
0026h - 0027h
0028h - 0029h
002Ah - 002Bh
002Ch - 002Dh
002Eh - 002Fh
0030h - 0031h
0032h - 0033h
0034h - 0035h
0036h - 0037h
0038h - 0039h
003Ah - 003Bh
003Ch - 003Dh
003Eh - 003Fh
0040h - 0043h
0044h - 004Fh
0050h - 0053h
0054h - 005Fh
0060h, 0064h
0061h
0063h
0065h
0067h
Resource
DMA Controller 1
DMA Controller 1
Interrupt Controller 1
Interrupt Controller 1
Interrupt Controller 1
Interrupt Controller 1
Super I/O Index and Data Ports
Interrupt Controller 1
Interrupt Controller 1
Interrupt Controller 1
Interrupt Controller 1
Programmable Timers
Programmable Timers
Keyboard Controller
NMI Status and Control Register
NMI Status and Control Register
NMI Status and Control Register
NMI Status and Control Register
System Specifications
135