System I/O Addresses - Intergraph InterServe 9000 System Reference Manual

System I/O Addresses

The following table shows the location in I/O space of all directly I/O-accessible registers.
Table 53. 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 - Interrupt Controller 1
002Dh
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 - Interrupt Controller 1
003Dh
003Eh - 003Fh
0040h - 0043h Programmable Timers
0044h - 004Fh
0050h - 0053h Programmable Timers
0054h - 005Fh
0060h, 0064h Keyboard Controller
0061h NMI Status and Control Register
0063h NMI Status and Control Register
0065h NMI Status and Control Register
0067h NMI Status and Control Register
0070h NMI Mask (bit 7) and RTC Address
(bits 6::0)
0072h NMI Mask (bit 7) and RTC Address
(bits 6::0)
0074h NMI Mask (bit 7) and RTC Address
(bits 6::0)
0076h NMI Mask (bit 7) and RTC Address
(bits 6::0)
0071h RTC Data
0073h RTC Data
0075h RTC Data
146
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
Keyboard chip select from 87307
PIIX4E
PIIX4E Aliased
PIIX4E Aliased
PIIX4E Aliased
PIIX4E
PIIX4E Aliased from 0070h
PIIX4E Aliased from 0070h
PIIX4E Aliased from 0070h
PIIX4E
PIIX4E Aliased from 0071h
PIIX4E Aliased from 0071h