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Specifications
Maintenance and Service Guide
7–7
Table 7-6
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
IRQ7*
Parallel port
IRQ8
System CMOS/real-time clock
IRQ9*
Microsoft ACPI-compliant system
IRQ10*
Intel USB UHCI controller—24C2
Intel 82852/82855 GM/GME Graphic Controller
Realtek RTL8139 Family PCI fast Ethernet Controller
Summary of Contents for COMPAQ NC4200
Page 65: ...4 4 Maintenance and Service Guide Illustrated Parts Catalog Notebook Major Components ...
Page 67: ...4 6 Maintenance and Service Guide Illustrated Parts Catalog Notebook Major Components ...
Page 69: ...4 8 Maintenance and Service Guide Illustrated Parts Catalog Notebook Major Components ...