Date: Thu, 10 Jul 1997 22:44:01 +1000 From: Bruce Evans <bde@zeta.org.au> To: danny@panda.hilink.com.au, phk@dk.tfs.com Cc: freebsd-hardware@FreeBSD.ORG, freebsd-isp@FreeBSD.ORG, sdudley@byterunner.com Subject: Re: Configuring Byterunner TC-800 high speed 8-port serial card Message-ID: <199707101244.WAA05329@godzilla.zeta.org.au>
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>>options COM_MULTIPORT >>device sio4 at isa? port 0x100 tty flags 0xb05 >>... >>device sio11 at isa? port 0x138 tty flags 0xb05 irq 12 vector siointr > >You should set the 0x10000 flag (only in current yet) as well, to >avoid the case where a pending IRQ from a higher port prevents >sio's test#3 from passing on a lower port. No, you should keep the 0x10000 flag clear, so that a pending IRQ from a higher port causes sio's test#3 to fail on a lower port, since such IRQs "can't happen" (unless the multiport board is misconfigured or is actually a multi-infernal modem :-). Bruce
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