From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carsten Langgaard Subject: Re: pcnet32 fiberoptic Date: Tue, 23 Apr 2002 08:38:57 +0200 Sender: linux-net-owner@vger.kernel.org Message-ID: <3CC50181.A1B28F24@mips.com> References: <014201c1ea01$07094740$3201a8c0@thinstuff.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: To: Michael Gibson , tsbogend@alpha.franken.de, linux-net@vger.kernel.org List-Id: netdev.vger.kernel.org I'm not the maintainer of this driver, Thomas Bogend=F6rfer (tsbogend@alpha.franken.de) is. You can also direct you questions to linux-net@vger.kernel.org list. /Carsten Michael Gibson wrote: > Hi Carsten, > > 1. We have applied following patch to the pcnet32 driver for kernel 2= =2E4.17 > http://www.uwsg.iu.edu/hypermail/linux/net/0102.0/0019.html > to make the fiberoptic port work for Allied Telesyn AT-2450FTX NW car= d. > This card has 2 interfaces: a Fiberoptic 10Mbit (ST Inerface) and a T= P > 10/100Mbit interface > We are using it togeteher with the "MC13 Ethernet Media Converter" al= so 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 a= bout 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 exactel= y the > same AMD chip: PCnet Fast+, AM79C972BKC. > > Do you have any idea what could be causing the problem that the 10Mbi= t fiber > card is so terribly slow? > Do you want to include this fiber patch into the pcnet32 driver? > > Best regards > Michael Gibson -- _ _ ____ ___ Carsten Langgaard Mailto:carstenl@mips.com |\ /|||___)(___ MIPS Denmark Direct: +45 4486 5527 | \/ ||| ____) Lautrupvang 4B Switch: +45 4486 5555 TECHNOLOGIES 2750 Ballerup Fax...: +45 4486 5556 Denmark http://www.mips.com