Hitachi 2730P manual System DMA specifications, System interrupt specifications, Hardware IRQ

Models: 2730P

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System DMA specifications

Specifications

System DMA specifications

 

Hardware

DMA System function

 

 

 

 

DMA0

Not applicable

 

 

 

 

DMA1*

Not applicable

 

 

 

 

DMA2*

Not applicable

 

 

 

 

DMA3

Not applicable

 

 

 

 

DMA4

Direct memory access controller

 

 

 

 

DMA5*

Not applicable

 

 

 

 

DMA6

Not assigned

 

 

 

 

DMA7

Not assigned

 

 

 

 

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

 

 

 

 

System interrupt specifications

 

Hardware IRQ

System function

 

 

IRQ0

System timer

 

 

IRQ1

Standard 101-/102-Key or Microsoft® Natural Keyboard

 

 

IRQ8

System CMOS/real-time clock

 

 

IRQ12

Synaptics PS/2 TouchPad

 

 

IRQ13

Numeric data processor

 

 

IRQ16

Intel® ICH9 Family USB universal Host Controller 2937

 

Mobile Intel 4 Series Express Chipset Family

 

 

IRQ17

High Definition Audio Controller

 

Intel® ICH9 Family USB universal Host Controller 2938

 

Marvel Yukon 88E8072 PCIE-Gigabit Ethernet Controller

 

 

IRQ18

Intel® ICH9 Family USB universal Host Controller 2939

 

Intel® ICH9 Family USB universal Host Controller 2936

 

 

IRQ19

Intel® ICH9 Family USB2 Enhanced Controller 293C

 

 

IRQ20

Intel® ICH9 Family USB2 Enhanced Controller 293A

 

Intel® ICH9 Family USB universal Host Controller 2934

 

 

IRQ21

Intel® ICH9M-E/M SATA AHCI Controller

 

 

IRQ22

Intel® ICH9 Family USB universal Host Controller 2935

*Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none.

PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4.

For operating systems after Windows 2000, APIC (Advanced programming interrupt controller) is used.

Maintenance and Service Guide

6–3

Page 85
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Hitachi 2730P manual System DMA specifications, System interrupt specifications, DMA System function, Hardware IRQ