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Hitachi HF-W2000 User Manual

Hitachi HF-W2000
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5. SPECIFICATION
5-9
5.4 List of Interrupts
Interrupt pin Description
IRQ0
Cascade (from 8259 #1)
IRQ1
Not used
IRQ2
Timer
IRQ3
Serial port 2 (COM2)
IRQ4
Serial port 1 (COM1)
IRQ5
Not used
IRQ6
Not used
IRQ7
Not used
IRQ8 Real-time clock
IRQ9 SCI, SMBus
IRQ10
Not used
IRQ11
Not used
IRQ12
Not used
IRQ13 Coprocesso
r
IRQ14
Not used
IRQ15
Not used
IRQ16
HD Audio(DisplayPort), PCI slot1,
PCI Express slot2, PCI Express slot3, EHCI2, Onboard Video,
xHCI
IRQ17 Not used
IRQ18 Onboard LAN 1
IRQ19 SATA controller, Onboard LAN2
IRQ20 Not used
IRQ21 Not used
IRQ22 HD Audio(LINE IN/LINE OUT)
IRQ23 EHCI1
< NOTE >
The above list is valid when the APIC is enabled (default settings).
The IRQ numbers of PCI slots are valid when the INT A terminal is
used.
The IRQ numbers are fixed and you cannot change the settings
shown above.
Even under APIC-capable OS, APIC-enabled IRQ numbers are
assigned only while the corresponding device is active. In other
cases, APIC-disabled IRQ numbers are assigned instead(see the
next page).

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Hitachi HF-W2000 Specifications

General IconGeneral
BrandHitachi
ModelHF-W2000
CategoryDesktop
LanguageEnglish

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