Chapter 4: Technical Reference
106
Table 4-21 (continued)
Address(es)
Resource
0093h - 009Fh
DMA Low Page Register
(aliased)
0094h
Video Display Controller
00A0h - 00A1h
Interrupt Controller 2
00A4h - 00A15
Interrupt Controller 2
(aliased)
00A8h - 00A19
Interrupt Controller 2
(aliased)
00Ach - 00Adh
Interrupt Controller 2
(aliased)
00B0h - 00B1h
Interrupt Controller 2
(aliased)
00B2h
Advanced Power
Management Control
00B3h
Advanced Power
Management Status
00B4h - 00B5h
Interrupt Controller 2
(aliased)
00B8h - 00B9h
Interrupt Controller 2
(aliased)
00BCh - 00BDh
Interrupt Controller 2
(aliased)
00C0h - 00DFh
DMA Controller 2
00F0h
Clear NPX error
00F8h - 00FFh
x87 Numeric Coprocessor
0102h
Video Display Controller
0170h - 0177h
Secondary Fixed Disk
Controller (IDE)
System I/O Addresses
Device
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
PIIX4E
Notes
Resets IRQ13
Not used