ATXP-965Q Technical Reference
Appendix A – Technical Summary
Chassis Plans
51
Interrupt Map
IRQ PRIORITY
STANDARD
FUNCTION
0 N/A
System
Timer
1 N/A
Keyboard
Controller
2 N/A
Programmable
Interrupt
3
8
Communications Port (COM2)
4
9
Communications Port (COM1)
5
6
Optional LPT2
6
11
Floppy Disk Controller
7
7
Printer Port (LPT1)
8
N/A
System CMOS/Real Time Clock
9
10
ACPI Mode when enabled
10
3
Available
11
2
Available
12
4
PS/2 Compatible Mouse Port
13
N/A
Numeric Data Processor
14
5
Prim. SATA Channel
15
1
Sec. SATA Channel
16-23
APIC
only
