Date: Fri, 12 Jul 1996 00:06:29 -0700 From: "Michael L. VanLoon -- HeadCandy.com" <michaelv@HeadCandy.com> To: Tom Samplonius <tom@sdf.com> Cc: Thomas Graichen <graichen@axp5.physik.fu-berlin.de>, hackers@freebsd.org Subject: Re: sio / modem problems Message-ID: <199607120706.AAA04083@MindBender.HeadCandy.com> In-Reply-To: Your message of Thu, 11 Jul 96 14:38:12 -0700. <Pine.NEB.3.94.960711143620.12898B-100000@misery.sdf.com>
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>On Thu, 11 Jul 1996, Thomas Graichen wrote:
>> i have an internal creatix phone-master modem - which will be detected in
>> FreeBSD 2.0.5 but not in the 2.1.0 RELEASE or the march 2.2 snap - it's
>> configured for irq 2 and comport 4 (2e8) - i tried to hack the sioprobe
> You shouldn't put devices on irq 2, as it is used to cascade irqs 8
>through 15
> irq is only safe on a XT, which has only one irq controller.
Any decent AT motherboard will cascade IRQ 2 to IRQ 9. Just be aware
that IRQ 2 on the peripheral really shows up as IRQ 9 to the OS.
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Michael L. VanLoon michaelv@HeadCandy.com
--< Free your mind and your machine -- NetBSD free un*x >--
NetBSD working ports: 386+PC, Mac 68k, Amiga, Atari 68k, HP300, Sun3,
Sun4/4c/4m, DEC MIPS, DEC Alpha, PC532, VAX, MVME68k, arm32...
NetBSD ports in progress: PICA, others...
Roll your own Internet access -- Seattle People's Internet cooperative.
If you're in the Seattle area, ask me how.
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