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Date:      Fri, 4 May 2001 08:29:08 -0700 (PDT)
From:      Jamie Bowden <ragnar@sysabend.org>
To:        Greg Smith <gregsmith59@hotmail.com>
Cc:        ggm@apnic.net, freebsd-mobile@freebsd.org
Subject:   Re: DELL Latitude 400 and pccard? (vs.Dell c800)
Message-ID:  <Pine.BSF.4.10.10105040824080.4490-100000@moo.sysabend.org>
In-Reply-To: <F208nkZvLQET7ffSsnu0000072d@hotmail.com>

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On Fri, 4 May 2001, Greg Smith wrote:

:Jamie,
:
:This is interesting.  Your c800 machine has several PCI devices on IRQ11, 
:sound on IRQ5, UHCI on IRQ11, and the PCIC on IRQ10.

The unkown device on IRQ 11 is the 1394 controller as well.

:>pci1: <ATI model 4d46 graphics accelerator> at 0.0 irq 11
:
:>pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
:>0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
:>chip1: <PCI to CardBus bridge (vendor=104c device=ac42)> irq 11 at device
:>15.0 on pci2
:>chip2: <PCI to CardBus bridge (vendor=104c device=ac42)> irq 11 at device
:>15.1 on pci2
:>pci2: <unknown card> (vendor=0x104c, dev=0x8027) at 15.2 irq 11
:
:>uhci0: <UHCI (generic) USB controller> port 0xdce0-0xdcff irq 11 at device
:>31.2 on pci0
:
:>pcic0: <VLSI 82C146> at port 0x3e0-0x3e1 irq 10 on isa0
:>pcic0: management irq 10
:
:using config:
:>device		pcm
:>
:>device		pcic0	at isa? irq 10
:>device		card
:>
:>device		uhci
:
:
:OTOH, George gets several devices on IRQ10, sound on IRQ10, UHCI on IRQ11 
:and the PCIC on IRQ13! (due to FreeBSD pcic limitations):
:
:pci1: <ATI Mobility-1 graphics accelerator> at 0.0 irq 10
:
:uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xfce0-0xfcff irq 11 
:at
:device 7.2 on pci0
:
:pcm0: <Crystal Semiconductor CS4281> mem 
:0xfedf0000-0xfedfffff,0xfedef000-0xfed
:effff irq 10 at device 8.0 on pci0
:pcic-pci0: <TI PCI-1410 PCI-CardBus Bridge> irq 10 at device 10.0 on pci0
:
:xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xfc00-0xfc7f mem
:0xfededc00-0xfededc7f irq 10 at device 13.0 on pci0
:
:pcic0: <VLSI 82C146> at port 0x3e0-0x3e1 irq 10 on isa0
:pcic0: management irq 13
:
:using config:
:
:device          card
:device          pcic0   at isa? irq 10
:
:device          xl
:
:device          uhci
:
:device          pcm
:
:==========================
:It does appear that Dell may have wired the PCI interrupts differently on 
:these two machines.  If PCIC can't share, or operate in polling mode, George 
:might be out of luck.

The C600 is not much different than the C800; the C400 on the other hand
appears to be a whole different beast.  The differences between the CPx H
and the C800 don't seem to be significant either.  I'm still using my old
4.2 config from the CPx H.

:To verify the pci int pin settings I boot my 4.1-Release machine in verbose 
:mode.  Maybe if Jamie (or anyone with a Dell c800) and George do that we can 
:shed some more light on this.

My laptop is on my desk at home right now.  I can access it, but I can't
reboot it and tell it to give verbose output from here.  I can do so
later.

Jamie Bowden

-- 
"It was half way to Rivendell when the drugs began to take hold"
Hunter S Tolkien "Fear and Loathing in Barad Dur"
Iain Bowen <alaric@alaric.org.uk>



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