hi every body i hade found this link for driver of REALTEK
http://developer.novell.com/devres/lan/drivers/#Realtek
i want help on how to install this driver on slack 12
plz help me!!!!

What card are you using. Can you post the output of '/sbin/lspci' ?

when i write lspci
Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 02)

Then you don't need to install any drivers. The drivers are part of the kernel. The modules needed are '8139cp' and/or '8139too' one or both should be listed when you run 'lsmod'. Why ? the card doesn't work ? maybe you haven't configured it properly.

then how to reconfigure it properly??!!!

Make sure you see one or both of those modules in 'lsmod', then see the slackbook, the networking section:
http://www.slackbook.org/html/book.h...-CONFIGURATION

Running 'netconfig' usually helps configure most network-related things.

8139cp is probably what you need. It may need the mii module also(the 8139too uses it, I know).
What is the ouput of 'lsmod'?
If the modules are not being loaded at all, you may need to load them at startup by uncommenting the line for 8139cp in /etc/rc.d/rc.modules. In rare cases where the default configuration (IRQ, etc) don't work, then you could pass those options to modprobe in the /etc/modprobe.conf file. If you load the 8139cp module with modprobe (not insmod), it will automatically take care of loading the mii or any other needed modules. All that said, hotplug or udev(depending on your system) should be taking care of this for you.

I have had some problems with that driver in the past , so it maybe that it isn't working for you ... but that site probably won't have anything better , get your problems and post debug messages on the LKML, maybe someone will solve it.

i want to say when i write
#ifconfig -a
the output doesn't contain eth0
it only contins lo
any help i think it may be the problrm??!

I'll say it again, what is the output of lsmod?

root@MSHOME:~# lsmod
Module Size Used by
snd_seq_dummy 6788 0
snd_seq_oss 32896 0
snd_seq_midi_event 10112 1 snd_seq_oss
snd_seq 50640 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_pcm_oss 42784 0
snd_mixer_oss 18048 1 snd_pcm_oss
ipv6 254496 12
pcmcia 34988 0
pcmcia_core 36500 1 pcmcia
capability 7304 0
commoncap 9344 1 capability
lp 13736 0
parport_pc 27812 1
parport 34760 2 lp,parport_pc
pcspkr 6528 0
psmouse 39048 0
serio_raw 9220 0
shpchp 33172 0
intel_agp 25116 1
i2c_piix4 11276 0
agpgart 31432 1 intel_agp
evdev 11904 1
ata_generic 9220 0
snd_ens1371 24352 0
gameport 15112 1 snd_ens1371
snd_rawmidi 22560 1 snd_ens1371
snd_seq_device 10508 4 snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi
snd_ac97_codec 98980 1 snd_ens1371
ac97_bus 6016 1 snd_ac97_codec
snd_pcm 72068 3 snd_pcm_oss,snd_ens1371,snd_ac97_codec
snd_timer 22532 2 snd_seq,snd_pcm
snd 47204 10 snd_seq_oss,snd_seq,snd_pcm_oss,snd_mixer_oss,snd_ens1371,snd_rawmidi,snd_seq_device,snd_ac97_codec, snd_pcm,snd_timer
soundcore 9824 1 snd
snd_page_alloc 11528 1 snd_pcm

here u r !!!
then what shall i do now?

try 'modprobe 8139cp' and/or 'modprobe 8139too'

Do as H_TExMex_H's suggests and check the ouput for errors. If you get no erros, then double-check by running lsmod again. The module should now show up in the output.
It would appear that for some reason the module is not being loaded during bootup.
You can make this happen by adding the command to /etc/rc.d/rc.local or by uncommenting the line for the module in /etc/rc.d/rc.modules. As mentioned, if the driver needed is the 8139too, then using modprobe should automatically load the mii module as well(I'm not sure if 8139cp needs it).
It's possible that loading of the module is being blocked by udev's blacklist. If so, commenting the line out in the blacklist should resolve the problem.

this is what i did

i didn't understand all u had said could u explain more?
and what about the output o ifconfig it doesn't contain eth0
is this good?

Please post the output of not just ifconfig. We need to see the unconfigured interfaces as well.
If your "ifconfig -a" shows the eth0 interface, then it is time to run and supply configuration details for your card.
If eth0 showed up, you need to make the module load permanent if you want to enjoy networking after a reboot. Add a module load command to /etc/rc.d/rc.netdevice which is a script that Slackware will run if it exists :
Eric