Subject: Re: pcnet32 fiberoptic

From: Carsten Langgaard <[email-masked]>
Date: Tue, 23 Apr 2002 08:38:57 +0200

I'm not the maintainer of this driver, Thomas Bogendörfer
([email-masked]) is.
You can also direct you questions to [email-masked] list.

/Carsten

Michael Gibson wrote:

> Hi Carsten,
>
> 1. We have applied following patch to the pcnet32 driver for kernel 2.4.17
> http://www.uwsg.iu.edu/hypermail/linux/net/0102.0/0019.html
> to make the fiberoptic port work for Allied Telesyn AT-2450FTX NW card.
> This card has 2 interfaces: a Fiberoptic 10Mbit (ST Inerface) and a TP
> 10/100Mbit interface
> We are using it togeteher with the "MC13 Ethernet Media Converter" also from
> allied telesyn.
> This is a media converter from fiberoptic (10MBit) to 10MBit TP.
> We connected it to a 10Mbit TP HUB.
> We are using the 10Mbit Fiberoptic interface of this card and it is about 30
> times slower then a normal 10Mbit TP Lan.
> So IMHO that should be a driver problem and not normal.
> But maybe I am wrong.
>
> We are also using an Allied Telesyn AT-2700FX card.
> This card has only one interface: a Fiberoptic 100Mbit (ST Inerface)
> We are using this one together with the "MC101XL Fast Ethernet Media
> Converter" also from Allied Telesyn.
> This is a media converter from fiberoptic (100MBit) to 100MBit TP.
> We connected it to a 100Mbit TP switch.
> This card is about the same speed as a normal 100Mbit TP card.
>
> Both above cards. The 10Mbit fiber and the 100Mbit fiber have exactely the
> same AMD chip: PCnet Fast+, AM79C972BKC.
>
> Do you have any idea what could be causing the problem that the 10Mbit fiber
> card is so terribly slow?
> Do you want to include this fiber patch into the pcnet32 driver?
>
> Best regards
> Michael Gibson

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