When finding only source packages in the main distribution site, it may be convenient 
sometimes to check for precompiled binary packages of them in so called "rpm 
repositories". One such is ATrpms.

Perhaps you may find a solution to your problem there:

http://atrpms.net/dist/el4/sk98lin/



Lucian Stroe wrote:
> Hi all,
> 
> I have a problem which concerns my Toshiba Laptop on which I installed SL 4.0.
> At the beginning, it did not recognize the LAN card (of the type mentioned in
> the Subject). After a long fight, I succeeded to find the driver (on
> http://www.syskonnect.com), and to install it. The installation procedure, as
> I realized, contains also a recompilation of the kernel.
> 
> Today... I decided to check whether yum find something to update to my Linux
> (BAD idea!!). It found some updates, including the kernel... Everything
> downloaded, everything installed, everything updated, including the kernel...
> At the first reboot, I got some error message saying that the network card was
> removed and... I was unable to install it back. I even tried to reboot on the
> old kernel, or to re-install the system from scratch, and to follow the
> procedure which I used initially with success... No way to make it working,
> after the kernel compilation I got an error message saying the installation
> cannot be completed...
> 
> Any of you have an idea what should I do to get that damned ethernet card
> working? I'm just messed up...
> 
> Thanks a lot,
> 
> Lucian Stroe.