Sony PCV-RX540 System Reference Manual - Page 81
IRQ Settings, Intel® 82801BA/BAM USB Universal Host Controller - 2444
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Miscellaneous Technical Information 69 IRQ Settings IRQ IRQ 0 IRQ 1 IRQ 4 IRQ 6 IRQ 8 IRQ 12 IRQ 13 IRQ 14 IRQ 15 IRQ 17 IRQ 18 IRQ 19 IRQ 21 IRQ 22 IRQ 23 IRQ 23 Description System timer Standard 101/102-Key or Microsoft® Natural PS/2® Keyboard Communications Port (COM1) Standard floppy disk controller System CMOS/real time clock PS/2® Compatible Mouse Numeric data processor Primary IDE Channel Secondary IDE Channel SoundMAX® Integrated Digital Audio Texas Instruments OHCI Compliant IEEE 1394 Host Controller Intel® 82801BA/BAM USB Universal Host Controller - 2442 Realtek RTL8139 Family PCI Fast Ethernet NIC Microsoft ACPI-Compliant System Lucent Win Modem Intel® 82801BA/BAM USB Universal Host Controller - 2444
Miscellaneous Technical Information
69
IRQ Settings
IRQ
Description
IRQ 0
System timer
IRQ 1
Standard 101/102-Key or Microsoft® Natural PS/2® Keyboard
IRQ 4
Communications Port (COM1)
IRQ 6
Standard floppy disk controller
IRQ 8
System CMOS/real time clock
IRQ 12
PS/2® Compatible Mouse
IRQ 13
Numeric data processor
IRQ 14
Primary IDE Channel
IRQ 15
Secondary IDE Channel
IRQ 17
SoundMAX® Integrated Digital Audio
IRQ 18
Texas Instruments OHCI Compliant IEEE 1394 Host Controller
IRQ 19
Intel® 82801BA/BAM USB Universal Host Controller - 2442
IRQ 21
Realtek RTL8139 Family PCI Fast Ethernet NIC
IRQ 22
Microsoft ACPI-Compliant System
IRQ 23
Lucent Win Modem
IRQ 23
Intel® 82801BA/BAM USB Universal Host Controller - 2444