System I/O Addresses - Silicon Graphics 1400 Server Family Maintenance And Upgrade Manual

Chapter 4: Technical Reference

System I/O Addresses

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Table 4-21 shows the location in I/O space of all directly I/O-accessible registers.
Table 4-21 System I/O Addresses
Address(es) Resource
0000h - 000Fh DMA Controller 1
0010h - 001Fh DMA Controller 1
0020h - 0021h Interrupt Controller 1
0022h - 0023h
0024h - 0025h Interrupt Controller 1
0026h - 0027h
0028h - 0029h Interrupt Controller 1
002Ah - 002Bh
002Ch - 002Dh Interrupt Controller 1
002Eh - 002Fh Super I/O Index and Data
Ports
0030h - 0031h Interrupt Controller 1
0032h - 0033h
0034h - 0035h Interrupt Controller 1
0036h - 0037h
0038h - 0039h Interrupt Controller 1
003Ah - 003Bh
003Ch - 003Dh Interrupt Controller 1
003Eh - 003Fh
0040h - 0043h Programmable Timers
0044h - 004Fh
0050h - 0053h Programmable Timers
Device Notes
PIIX4E
PIIX4E Aliased from 0000h - 000Fh
PIIX4E
PIIX4E Aliased from 0020h - 0021h
PIIX4E Aliased from 0020h - 0021h
PIIX4E Aliased from 0020h - 0021h
PIIX4E Aliased from 0020h - 0021h
PIIX4E Aliased from 0020h - 0021h
PIIX4E Aliased from 0020h - 0021h
PIIX4E Aliased from 0020h - 0021h
PIIX4E
PIIX4E Aliased from 0040h - 0043h