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KTD-S0031-E
Page 48
Appendix A: System Resources
KTA55/pITX
User's Guide
APIC mode
IRQ #
Used for
Available
Comment
0
Timer 0
No
1
Keyboard
No
2
8259 Slave (Cascade)
No
3
Yes
4
Yes
5
Yes
6
Yes
7
Yes
8
Real Time Clock (RTC)
No
9
ACPI Power Management
No
10
Yes
11
Yes
12
Yes
13
Floating Point Unit (FPU)
No
14
S-ATA (Legacy IDE)
Yes
Note (1)
15
S-ATA (Legacy IDE)
Yes
Note (1)
16
PCI IRQ
for PCI
17
PCI IRQ
for PCI
18
PCI IRQ
for PCI
19
PCI IRQ
for PCI
20
Yes
21
Yes
22
Yes
23
Yes
Note:
1)
Default mode is 'Native IDE'.