Intel S845WD1-E Product Guide - Page 89

I/O Map, ICH2 USB controller 2/User available through PIRQH

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Table 41. Interrupts (continued) IRQ 12 13 14 15 16 (Note 2) 17 (Note 2) 18 (Note 2) 19 (Note 2) 20 (Note 2) 21 (Note 2) 22 (Note 2) 23 (Note 2) System Resource Onboard mouse port (if present, else user available) Reserved, math coprocessor Primary IDE (if present, else user available) Secondary IDE (if present, else user available) AGP video (through PIRQA) AC '97 audio/User available (through PIRQB) (optional) (through PIRQC) ICH2 USB controller 1 (through PIRQD) On-board ATI Rage XL PCI (optional)/User available (through PIRQF) (optional)/User available (through PIRQG) ICH2 USB controller 2/User available (through PIRQH) Notes: 1. Default, but can be changed to another IRQ. 2. Available in APIC mode only. Technical Reference 89

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Technical Reference
89
Table 41.
Interrupts
(continued)
IRQ
System Resource
12
Onboard mouse port (if present, else user available)
13
Reserved, math coprocessor
14
Primary IDE (if present, else user available)
15
Secondary IDE (if present, else user available)
16
(Note 2)
AGP video (through PIRQA)
17
(Note 2)
AC '97 audio/User available (through PIRQB)
18
(Note 2)
(optional) (through PIRQC)
19
(Note 2)
ICH2 USB controller 1 (through PIRQD)
20
(Note 2)
On-board ATI Rage XL PCI
21
(Note 2)
(optional)/User available (through PIRQF)
22
(Note 2)
(optional)/User available (through PIRQG)
23
(Note 2)
ICH2 USB controller 2/User available (through PIRQH)
Notes:
1.
Default, but can be changed to another IRQ.
2.
Available in APIC mode only.