"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1683, 1685, 1687, 1688, and 1690

 

IRQ14

 

Primary IDE controller (dual fifo)

 

 

 

 

 

 

 

 

 

 

 

IRQ15

 

ALi M5229 PCI Bus Master IDE Controller

 

 

 

 

 

 

 

IRQ15

 

Secondary IDE controller (dual fifo)

 

 

 

 

 

 

 

 

 

 

 

System DMA

 

 

 

 

 

 

 

 

System DMA

 

 

 

 

 

 

 

Hardware DMA

 

System Function

 

 

 

 

 

 

 

0

 

(free)

 

 

 

 

 

1

 

ESS SOLO-1 DOS Emulation

 

 

 

 

 

2

 

Standard Floppy Disk Controller

 

 

 

 

 

3

 

(free)

 

 

 

 

 

4

 

Direct memory access controller

 

 

 

 

 

5

 

(free)

 

 

 

 

 

 

System I/O Address

 

 

 

 

 

 

 

 

 

 

 

 

 

 

System I/O Address

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O Address (Hex)

 

 

 

 

 

System Function (Shipping Configuration)

 

 

 

 

 

 

 

 

 

 

 

 

 

0000

- 000Fh

 

 

Direct memory access controller

 

 

 

 

 

 

 

 

 

 

 

 

0020h - 0021h

 

 

Programmable interrupt controller

 

 

 

 

 

 

 

 

 

 

 

 

0040h - 0043h

 

 

System timer

 

 

 

 

 

 

 

 

 

 

 

 

 

0060h

- x0060h

 

 

Standard 101/102-Key or Microsoft Natural Keyboard

 

 

 

 

 

 

 

 

 

 

 

 

 

0061h

- x0061h

 

 

System speaker

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0064h

- x0064h

 

 

 

 

Standard 101/102-Key or Microsoft Natural Keyboard

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0070h - 0071h

 

 

 

 

System CMOS/real time clock

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0080h - 0080h

 

 

 

 

Motherboard resources

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0081h - 008Fh

 

 

 

 

Direct memory access controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0092h - 0092h

 

 

 

 

Motherboard resources

 

 

 

 

 

 

 

 

 

 

 

 

 

 

00A0h - 00A1h

 

 

 

 

Programmable interrupt controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

file:///C/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOK...00%20SERIES%201683%201685%201687%201688%201690%201694/spec.html (4 of 12)6/27/2004 2:57:31 AM