Thanks for you answers
First of all I confirm it is a CNET CN40BC pcmcia network card. It is a wired lan card.
Here are the copies of lsmod:
with card in PCMCIA slot:
fred:$ lsmod
Module Size Used by
nls_iso8859_15 5504 0
nls_cp437 6656 0
vfat 10240 0
fat 41372 1 vfat
usb_storage 72384 0
xt_limit 3200 0
xt_pkttype 2688 0
ipt_REJECT 4864 1
xt_tcpudp 3968 4
ipt_LOG 6144 0
xt_state 2816 7
iptable_mangle 3200 0
iptable_nat 6660 0
iptable_filter 3328 1
ip_conntrack_irc 6128 0
ip_nat_ftp 3584 0
ip_nat 13868 2 iptable_nat,ip_nat_ftp
ip_conntrack_ftp 6640 1 ip_nat_ftp
ip_conntrack 37600 6 xt_state,iptable_nat,ip_conntrack_irc,ip_nat_ftp,ip_nat,ip_conntrack_ftp
ip_tables 12020 3 iptable_mangle,iptable_nat,iptable_filter
x_tables 11140 8 xt_limit,xt_pkttype,ipt_REJECT,xt_tcpudp,ipt_LOG,xt_state,iptable_nat,ip_tables
lp 10120 0
parport_pc 23364 1
parport 29640 2 lp,parport_pc
cpufreq_conservative 6536 0
cpufreq_ondemand 5900 0
cpufreq_performance 2816 0
cpufreq_powersave 2560 0
speedstep_lib 4740 0
freq_table 4512 0
sg 25500 0
fuse 37780 0
snd_cs4236 15464 2
snd_opl3_lib 8960 1 snd_cs4236
snd_hwdep 7428 1 snd_opl3_lib
snd_cs4236_lib 14336 1 snd_cs4236
snd_mpu401_uart 7040 1 snd_cs4236
snd_cs4231_lib 19968 2 snd_cs4236,snd_cs4236_lib
snd_seq_dummy 3716 0
snd_seq_oss 27392 0
snd_seq_midi_event 6528 1 snd_seq_oss
snd_seq 42320 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_pcm_oss 37280 0
snd_mixer_oss 14080 3 snd_pcm_oss
pcnet_cs 34736 0
8390 8448 1 pcnet_cs
snd_cs46xx 72520 0
gameport 11912 1 snd_cs46xx
snd_rawmidi 18592 2 snd_mpu401_uart,snd_cs46xx
snd_seq_device 6924 5 snd_opl3_lib,snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi
snd_ac97_codec 80160 1 snd_cs46xx
snd_ac97_bus 3072 1 snd_ac97_codec
pcmcia 22560 1 pcnet_cs
snd_pcm 61828 5 snd_cs4236_lib,snd_cs4231_lib,snd_pcm_oss,snd_cs46xx,snd_ac97_codec
yenta_socket 22156 4
snd_timer 18692 4 snd_opl3_lib,snd_cs4231_lib,snd_seq,snd_pcm
rsrc_nonstatic 10624 1 yenta_socket
evdev 8320 0
snd 39780 16 snd_cs4236,snd_opl3_lib,snd_hwdep,snd_cs4236_lib,snd_mpu401_uart,snd_cs4231_lib,snd_seq_oss,snd_seq,snd_pcm_oss,snd_mixer_oss,snd_cs46xx,snd_rawmidi,snd_seq_device,snd_ac97_codec,snd_pcm,snd_timer
shpchp 29604 0
i2c_piix4 8076 0
pcmcia_core 31512 4 pcnet_cs,pcmcia,yenta_socket,rsrc_nonstatic
intel_agp 19100 1
soundcore 8032 3 snd
serio_raw 6148 0
i2c_core 16256 1 i2c_piix4
snd_page_alloc 8072 3 snd_cs4231_lib,snd_cs46xx,snd_pcm
pcspkr 3456 0
With card removed from PCMCIA slot:
fred:$ lsmod
Module Size Used by
nls_iso8859_15 5504 1
nls_cp437 6656 1
vfat 10240 1
fat 41372 1 vfat
usb_storage 72384 1
xt_limit 3200 0
xt_pkttype 2688 0
ipt_REJECT 4864 1
xt_tcpudp 3968 4
ipt_LOG 6144 0
xt_state 2816 7
iptable_mangle 3200 0
iptable_nat 6660 0
iptable_filter 3328 1
ip_conntrack_irc 6128 0
ip_nat_ftp 3584 0
ip_nat 13868 2 iptable_nat,ip_nat_ftp
ip_conntrack_ftp 6640 1 ip_nat_ftp
ip_conntrack 37600 6 xt_state,iptable_nat,ip_conntrack_irc,ip_nat_ftp,ip_nat,ip_conntrack_ftp
ip_tables 12020 3 iptable_mangle,iptable_nat,iptable_filter
x_tables 11140 8 xt_limit,xt_pkttype,ipt_REJECT,xt_tcpudp,ipt_LOG,xt_state,iptable_nat,ip_tables
lp 10120 0
parport_pc 23364 1
parport 29640 2 lp,parport_pc
cpufreq_conservative 6536 0
cpufreq_ondemand 5900 0
cpufreq_performance 2816 0
cpufreq_powersave 2560 0
speedstep_lib 4740 0
freq_table 4512 0
sg 25500 0
fuse 37780 0
snd_cs4236 15464 2
snd_opl3_lib 8960 1 snd_cs4236
snd_hwdep 7428 1 snd_opl3_lib
snd_cs4236_lib 14336 1 snd_cs4236
snd_mpu401_uart 7040 1 snd_cs4236
snd_cs4231_lib 19968 2 snd_cs4236,snd_cs4236_lib
snd_seq_dummy 3716 0
snd_seq_oss 27392 0
snd_seq_midi_event 6528 1 snd_seq_oss
snd_seq 42320 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_pcm_oss 37280 0
snd_mixer_oss 14080 3 snd_pcm_oss
pcnet_cs 34736 0
8390 8448 1 pcnet_cs
snd_cs46xx 72520 0
gameport 11912 1 snd_cs46xx
snd_rawmidi 18592 2 snd_mpu401_uart,snd_cs46xx
snd_seq_device 6924 5 snd_opl3_lib,snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi
snd_ac97_codec 80160 1 snd_cs46xx
snd_ac97_bus 3072 1 snd_ac97_codec
pcmcia 22560 1 pcnet_cs
snd_pcm 61828 5 snd_cs4236_lib,snd_cs4231_lib,snd_pcm_oss,snd_cs46xx,snd_ac97_codec
yenta_socket 22156 2
snd_timer 18692 4 snd_opl3_lib,snd_cs4231_lib,snd_seq,snd_pcm
rsrc_nonstatic 10624 1 yenta_socket
evdev 8320 0
snd 39780 16 snd_cs4236,snd_opl3_lib,snd_hwdep,snd_cs4236_lib,snd_mpu401_uart,snd_cs4231_lib,snd_seq_oss,snd_seq,snd_pcm_oss,snd_mixer_oss,snd_cs46xx,snd_rawmidi,snd_seq_device,snd_ac97_codec,snd_pcm,snd_timer
shpchp 29604 0
i2c_piix4 8076 0
pcmcia_core 31512 4 pcnet_cs,pcmcia,yenta_socket,rsrc_nonstatic
intel_agp 19100 1
soundcore 8032 3 snd
serio_raw 6148 0
i2c_core 16256 1 i2c_piix4
snd_page_alloc 8072 3 snd_cs4231_lib,snd_cs46xx,snd_pcm
pcspkr 3456 0