[realtek] speed

Donald Becker becker@scyld.com
Fri, 24 Aug 2001 01:13:05 -0400 (EDT)

On Thu, 23 Aug 2001, william van de velde wrote:

> can someone help me?
> i have a realtek adapter but when i load the driver and try to
> download over my network the max speed is 1.23 Mbps 

Likely duplex mismatch.
What does
   rtl8139-diag -ee

What about statistics?  Are you increasing the collision count, or
seeing Rx errors?  (That indicates which end has the duplex wrong.)

> output rtldiag
> Index #1: Found a RealTek RTL8139 adapter at 0xe800.
>  0x060: 1100f00f 01e1782d 000145e1 00000000 00000004 000307c8 b0f243b9
> 8a36df43.  No interrupt sources are pending. 

Your link partner is advertising full duplex.

>  The chip configuration is 0x10 0x6c, MII full-duplex mode.

And you are in full duplex mode.

Is the chip working in this state?

> but the card is working fine when i use the program (mii-tool -r) with
> the r from reset 

That retriggers autonegotation, which sets the duplex to match.

My guess is that EEPROM is set to bring the card up in
forced-full-duplex mode.

Donald Becker				becker@scyld.com
Scyld Computing Corporation		http://www.scyld.com
410 Severn Ave. Suite 210		Second Generation Beowulf Clusters
Annapolis MD 21403			410-990-9993