Installing rtl8139

[Predrag Petrovic]

Hello Bryant,
Well, first do modinfo 8139too, here's the output:

> [predrag at dementia predrag]$ modinfo 8139too
> author:         Jeff Garzik <jgarzik at pobox.com>
> description:    RealTek RTL-8139 Fast Ethernet driver
> license:        GPL
> parm:           debug:8139too bitmapped message enable number
> parm:           multicast_filter_limit:8139too maximum number of 
> filtered multicast addresses
> parm:           media:8139too: Bits 4+9: force full duplex, bit 5: 100Mbps
> parm:           full_duplex:8139too: Force full duplex for board(s) (1)
> vermagic:       2.6.6-1.435.2.3custom PENTIUM4 REGPARM 4KSTACKS gcc-3.3
> depends:        mii
> alias:          pci:v000010ECd00008139sv*sd*bc*sc*i*
> alias:          pci:v000010ECd00008138sv*sd*bc*sc*i*
> alias:          pci:v00001113d00001211sv*sd*bc*sc*i*
> alias:          pci:v00001500d00001360sv*sd*bc*sc*i*
> alias:          pci:v00004033d00001360sv*sd*bc*sc*i*
> alias:          pci:v00001186d00001300sv*sd*bc*sc*i*
> alias:          pci:v00001186d00001340sv*sd*bc*sc*i*
> alias:          pci:v000013D1d0000AB06sv*sd*bc*sc*i*
> alias:          pci:v00001259d0000A117sv*sd*bc*sc*i*
> alias:          pci:v00001259d0000A11Esv*sd*bc*sc*i*
> alias:          pci:v000014EAd0000AB06sv*sd*bc*sc*i*
> alias:          pci:v000014EAd0000AB07sv*sd*bc*sc*i*
> alias:          pci:v000011DBd00001234sv*sd*bc*sc*i*
> alias:          pci:v00001432d00009130sv*sd*bc*sc*i*
> alias:          pci:v000002ACd00001012sv*sd*bc*sc*i*
> alias:          pci:v0000018Ad00000106sv*sd*bc*sc*i*
> alias:          pci:v0000126Cd00001211sv*sd*bc*sc*i*
> alias:          pci:v00001743d00008139sv*sd*bc*sc*i*
> alias:          pci:v0000021Bd00008139sv*sd*bc*sc*i*
> alias:          pci:v000010ECd00008129sv*sd*bc*sc*i*
> alias:          pci:v*d00008139sv000010ECsd00008139bc*sc*i*
> alias:          pci:v*d00008139sv00001186sd00001300bc*sc*i*
> alias:          pci:v*d00008139sv000013D1sd0000AB06bc*sc*i*

and after do modprobe 8139too
edit /etc/modprobe.conf and add these lines
alias ethX 8139too
X stands for ethernet number (interface number)

then create a script for that device in: 
/etc/sysconfig/network-scripts/ifcfg-ethX
and that's it.