Re: Only 8Mb/s with a 10/100 card
PCMCIA = 16bit = Maximum of 15-20mbps throughput (this is a limitation of the 16-bit bus...)
Cardbus = 32bit = full 100mbps throughput (as long as the rest of the laptop can handle it)
PC Card is used interchangably between the two. The DFE-650TX is only a 16-bit PCMCIA card, and therefore won't get anything over 20mbps. Now why is the throughput at 8mbps? Your guess is as good as mine...
Jared Valentine
hidden@xmission.com
At 07:18 PM 9/14/2000 +0200, Bart-Jan Vrielink wrote:
>On Thu, 14 Sep 2000, Carlos Menezes wrote:
>
>> I have a DLINK 10/100 PCMCIA card (DFE-650TX) in my laptop (I installed
>> the last version of PCMCIA package: 3.1.20) and a Realtek 8139 PCI
>> 10/100 card in my desktop. The adapters are linked by a crossover cable
>> with RJ-45 plugs.
>> DFE-650TX is setted up to autonegociation (it is the only one option;
>> when I try ifport eth0 100baseT, a error message is displayed) and I can
>> set up the link mode at Realtek 8139 with mii-diag program.
>> I got only 8 Mbits/s at a ftp test by copying a 14Mbytes archive.
>> Does anyone have suggestions???
>
>Is it a PCMCIA card or a PCcard ??
>PCcards are much newer and are much faster (compare with ISA vs. PCI).
>I have a Intel EtherExpress Pro/100 pcmcia card and I get the same results
>as you have. At best it is at 100 Mbit/s just a little bit faster than at
>10 Mbit/s but at 100Mbit it uses much more CPU time. So whenever I can
>choose between 10 MBit and 100 MBit, I have it set on 10 MBit.
>
>--
>Tot ziens,
>
>Bart-Jan
>
>
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