Toshiba Magnia 3030 - Manual (Page 218)

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Interrupt levels
IRQ Device
0 Interval timer
1 Keyboard buffer full
2 Cascade interrupt from slave PIC
3 Onboard serial port B (COM2) [Only for “Enabled”]
4 Onboard serial port A (COM1) [Only for “Enabled”]
5 Onboard network adapter, USB
6 Onboard floppy disk controller
7 Parallel port LPT1 (Only for “Enabled”)
8 Real-time clock (RTC)
9 ACPI
10 Reserved for AMS (optional)
11 Onboard SCSI controller (RAID controller is used if
mounted)
12 Onboard PS/2 mouse port
13 Arithmetic coprocessor
14 IDE controller
15 Usable (used by the on-board SCSI controller if RAID
controller is installed)