>> Do you have any chance to check a certain bit (0x8000) of IOASIC INTR
>> register on 2{4,6}0 and DECsystem5900 after boot?
>
> Here's my results:
>
>        5900/260        0x00080002
>        5000/240        0x00088002
>
> So 0x8000 is clear on the 5900/260 and set on the 5000/240.
> Unfortunately I don't have a 5000/260 or a 5900/240 to test.
>
> Given that the 5000/260 and 5900/240 tests work, that leaves
> one question before code gets added - what do you call 0x8000?

	KN03_INTR_PROD_JUMPER

Sorry for my poverty of imagination.  I will yield it with better one.

Tohru Nishimura
Nara Institute of Science and Technology