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Re: 2nd Ethernet Card in UDB



>the problem of course being that the tulip's have to bus master to a
>largely alligned address so they can't copy the the frame such that the ip
>headers are aligned for the alpha to pick them up.  so you have to go from
>the card, once through memory, and then to the final resting place.  the
>eepro and 905 don't have this problem, and the 905b has checksumming
>hardware.
>
>the tulip will work fine in an alpha, it just won't be bleeding edge :)


One benefit to the tulip is that the driver actually works on the alpha. The
3Com just gave alignment errors. The 3c905B is a royal piece of garbage...
took me 2 hours to install on my Win95 box. Adding a second tulip card to my
alpha took 5 minutes and worked the first time.

I have 3Com cards in all but one of my machines, but after the 905B I'll
probably stick with DEC chipsets.

Brian Macy



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