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[lwip-users] Re: [lwip] Offtopic Realtek


From: Jani Monoses
Subject: [lwip-users] Re: [lwip] Offtopic Realtek
Date: Thu, 09 Jan 2003 01:20:37 -0000

Could be related to wait-states?
I had a similar problem with a cs89000.

> This is offtopic but somone here might have the answer.
> 
> I am trying to write a driver for the Realtek chip, all is fine apart for one 
> problem. Some bytes are changed when the are sent on Ethernet.
> I am logging information using Etherpeek on W2K.
> eg: sending 0x50 in a packet I get 0x52 on the PC.
> 
> I can write any value into registers and that works, so my hardware/bus is 
> fine.
> Some other bytes are substituted and the only pattern I have found is: 
> if bit 4 and any bit 5,6 or 7 is set then bit 1 is set !!
> 
> I can't make any sense out of this, it's driving me mad. I even changed chips 
> and  I still have the same problem so I figure it must be software !
> 
> Any ideas anyone ?
> 
> Thanks
> 
> Nic
> 
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> 
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