HP ze2000 User Manual

Page 168

Specifications

Maintenance and Service Guide

6–13

Table 6-9

System DMA

Hardware DMA

System Function

DMA0

n/a

DMA1*

n/a

DMA2*

n/a

DMA3

n/a

DMA4

Direct memory access controller

DMA5*

Available for PC Card

DMA6

Not assigned

DMA7

Not assigned

*PC Card controller can use DMA 1, 2, or 5.

Table 6-10

System Interrupts

Hardware IRQ

System Function

IRQ0

System timer

IRQ1

Standard 101-/102-Key or Microsoft Natural Keyboard

IRQ2

Cascaded

IRQ3

Intel 82801DB/DBM USB2 Enhanced Host
Controller—24CD

IRQ4

COM1

IRQ5*

Conexant AC—Link Audio

Intel 82801DB/DBM SMBus Controller—24C3

Data Fax Modem with SmartCP

IRQ6

Diskette drive