Re: Setting full/half duplex with NE/8390 network card (EA201)

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I think you will find that there is no "standard" for
setting full/half duplex for an NE2000 card, since it
is not part of the 8390 but a vendor specific extension.

If you can find out from the vendor how they select
it (it is probably just a couple inb/outb) then it
would be no problem for you to do it, even outside
of the driver.

--- Chris Rankin <rankincj@yahoo.com> wrote:
> Hi,
> 
> I have a NetGear EA201 network card in an old machine,
> and I suddenly need to be able to switch this device
> into 'half-duplex' mode. (I have an ethernet broadband
> router whose firmware update process fails unless it's
> talking half-duplex.) I have discovered ethtool, but
> the Linux NE/8390 driver doesn't support it.
> 
> Is the 8390 chip(?) sufficiently well understood to
> allow me to write a rudimentary duplex-switching IOCTL
> for the EA201 adapter? I'm assuming that such a thing
> doesn't exist already only because no-one cared enough
> to write it. Would writing it now require extra
> information from NetGear? Judging from the Win95
> properties page for this adapter, this card supports
> both choosing full/half duplex modes and setting the
> MAC(?) address.
> 
> Can you help me to write a small patch for this
> driver, please?
> 
> Thanks,
> Chris
> 
> 
> 
> 	
> 	
> 		
> ALL-NEW Yahoo! Messenger - sooooo many all-new ways to express yourself
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