Address

Resource

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

 

 

0077h

RTC Data

 

 

0080h - 008Fh

DMA Low Page Register

 

 

0090h - 0091h

DMA Low Page Register

 

 

0092h

System Control Port A (PC-AT control Port)

 

 

0093h - 009Fh

DMA Low Page Register

 

 

0094h

Video Display Controller

 

 

00A0h - 00A1h

Interrupt Controller 2

 

 

00A4h - 00A15

Interrupt Controller 2

 

 

00A8h - 00A19

Interrupt Controller 2

 

 

00Ach - 00Adh

Interrupt Controller 2

 

 

00B0h - 00B1h

Interrupt Controller 2

 

 

00B2h

Advanced Power Management Control

 

 

00B3h

Advanced Power Management Status

 

 

00B4h - 00B5h

Interrupt Controller 2

 

 

00B8h - 00B9h

Interrupt Controller 2

 

 

00BCh - 00BDh

Interrupt Controller 2

 

 

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)

 

 

01F0h - 01F7h

Primary Fixed Disk Controller (IDE)

 

 

0200h - 0207h

Game I/O Port

 

 

0220h - 022Fh

Serial Port A

 

 

136System Specifications