IRQ 2 with WD8003
Karl-P. Huestegge
karl at robot.in-berlin.de
Mon Dec 10 22:12:50 AEST 1990
jhl at kira.uucp (John Lawitzke) writes:
>> horke at buchonia.rhoen.in-berlin.de (Bernhard Kroenung) writes:
>>
>>>I wanted to add an WD8003 with IRQ 2 and Base-Adress 0x280 or 0x300 or
>>>0x380 - but none of them work correctly - the system showed the wd-card
>>>at IRQ 31, but ping, ftp,.. won`t work ....
>When I put put Archive tape drives into a Xenix system, I put them in on
>IRQ2. On a AT-style system, the IRQ2 line from the expansion bus goes
>into IRQ9 of the interrupt controllers. Through magic, you tell Xenix
>the card is on interrupt 25 (decimal). The 31 you see at boot is octal.
>31 octal = 25 decimal.
What do you mean by 'telling Xenix' ?
In the /usr/sys/config/master file Interrupts are denoted octal (31 is right).
In the Xenix /usr/sys/io/sioconf.c file Interrupts are given in decimal (25).
FAS und Xenix serial drivers can both be configured to use IRQ 9 (=2 on XT's).
--
Karl-Peter Huestegge karl at robot.in-berlin.de
Berlin Friedenau ..unido!fub!geminix!robot!karl
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