Re: 3c590 _again_

Alan Cox (
Thu, 27 Feb 1997 18:52:59 +0000 (GMT)

> Anyone got any 3Com network card specs? Surely 2 cards would not be
> programmed so similarly yet differ in that one reports bytes free and the
> other dwords free? Or if they did, surely the 3c590 TxFree function would
> operate in identical units to SetTxThreshold, ie. dwords?

[Stuff about packet sizes then]

"This has the side effect of scaling all threshold registers by a factor
of 4 when PIO code is running on PCI/EISA bus master adapters"

Its right