Gateway 7400 System Manual (PDF Version) - Page 143
System I/O addresses
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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