Subject: Re: Hardware support
To: Bruno Carnazzi <bcarnazzi@gmail.com>
From: Michael <macallan18@earthlink.net>
List: port-i386
Date: 10/17/2005 17:35:50
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Hello,

> I've been using NetBSD/i386 2.0.2 for a few month and I really love it
> ! Simplicity everywhere. The only last thing I can reproach is a small
> lack of hardware support : I've got a Sitecom Fast Ethernet 10/100
> Mbps PC Card adapter and it doesn't seem to work (with kernel.GENERIC
> and kernel.LAPTOP).

Could you please post your dmesg output?

> Does someone knows the chipset in it ? Someone says Realtek 8139. The
> rtk driver should support this chipset but only on PCI or Cardbus
> (what is the difference with PC Card (aka PCMCIA ?).

CardBus is sort of PCI in drag, 32bit wide and can support some DMA
while PCMCIA is 16bit and without DMA. CardBus slots can accept
PCMCIA cards but not the other way around. Are you sure your card is
PCMCIA? Any halfway recent laptop will have CardBus support ( instead of
PCMCIA ) anyway, maybe that's where your problem is.

> I though NetBSD's drivers were "buses" independant : Am I foolish ?

Usually and no ;)
A driver's core is usually bus independent but it always needs a
small portion of specific code to attach to a given bus. So a
well-written PCI driver I can be adapted to - say - CardBus or SBus
with relative ease, ideally it's only the attachment code.

have fun
Michael

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