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Date:      Wed, 02 Jul 1997 17:02:15 -0700
From:      Steven Wallace <swallace@ece.uci.edu>
To:        current@freebsd.org
Cc:        questions@freebsd.org
Subject:   PCI-ISA bridge & sio ports
Message-ID:  <199707030002.RAA04034@newport.ece.uci.edu>

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I got a new Iwill P55XUW motherboard with the Intel Triton 430TX chipset.
The built-in serial ports are not working under FreeBSD, although they
work under Windows 95.

When the system boots and displays the system configuration, it displays
the port of all three serial ports correctly, but when FreeBSD boots,
it does not recognize sio0 or sio1 (built-in) but only sio2 (an ISA card).
I thought the problem might be because FreeBSD does not recognize
by name the 430TX chipset.  Does bsd have to activate these built-in ports
or is this completely a BIOS problem?  (and why is it okay under DOS?)

Here is a partial probe list:

Probing for devices on PCI bus 0:
chip0 <generic PCI bridge (vendor=8086 device=7100 subclass=0)> rev 1 on pci0:0
chip1 <generic PCI bridge (vendor=8086 device=7110 subclass=1)> rev 1 on pci0:7:0
pci0:7:1: Intel Corporation, device=0x7111, class=storage (ide) [no driver assigned]
pci0:7:2: Intel Corporation, device=0x7112, class=0x0c, subclass=0x03 int d irq 15 [no driver assigned]
chip2 <generic PCI bridge (vendor=8086 device=7113 subclass=128)> rev 1 on pci0:7:3
sio0 not found at 0x3f8
sio1 not found at 0x2f8
sio2 at 0x3e8-0x3ef irq 5 on isa   [ISA modem card]





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