--- zzzz-none-000/linux-3.10.107/Documentation/x86/i386/IO-APIC.txt 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/Documentation/x86/i386/IO-APIC.txt 2021-02-04 17:41:59.000000000 +0000 @@ -87,7 +87,7 @@ echo -n pirq=; echo `scanpci | grep T_L | cut -c56-` | sed 's/ /,/g' -note that this script wont work if you have skipped a few slots or if your +note that this script won't work if you have skipped a few slots or if your board does not do default daisy-chaining. (or the IO-APIC has the PIRQ pins connected in some strange way). E.g. if in the above case you have your SCSI card (IRQ11) in Slot3, and have Slot1 empty: