gk@inspiron:~$ sudo dmidecode -s system-manufacturer
Dell Inc.

gk@inspiron:~$ sudo dmidecode -s system-product-name
Inspiron 1545


gk@inspiron:~$ uname -a
Linux inspiron 2.6.35-24-generic #42-Ubuntu SMP Thu Dec 2 02:41:37 UTC 2010 x86_64 GNU/Linux

gk@inspiron:~$ lspci |grep -i net
09:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller (rev 13)
0c:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)

gk@inspiron:~$ lspci -nnk | grep -i net -A2
09:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller [11ab:4354] (rev 13)
	Subsystem: Dell Device [1028:02aa]
	Kernel driver in use: sky2
--
0c:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
	Subsystem: Dell Wireless 1397 WLAN Mini-Card [1028:000c]
	Kernel driver in use: b43-pci-bridge

gk@inspiron:~$ cat /etc/resolv.conf
# Generated by NetworkManager
search 192.168.2.1
nameserver 192.168.2.1

gk@inspiron:~$ ifconfig
eth0      Link encap:Ethernet  Hardware Adresse a4:ba:db:af:59:c9  
          inet Adresse:192.168.2.103  Bcast:192.168.2.255  Maske:255.255.255.0
          inet6-Adresse: fe80::a6ba:dbff:feaf:59c9/64 Gültigkeitsbereich:Verbindung
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metrik:1
          RX packets:3606 errors:0 dropped:0 overruns:0 frame:0
          TX packets:879 errors:0 dropped:0 overruns:0 carrier:0
          Kollisionen:0 Sendewarteschlangenlänge:1000 
          RX bytes:1318201 (1.3 MB)  TX bytes:92582 (92.5 KB)
          Interrupt:18 

lo        Link encap:Lokale Schleife  
          inet Adresse:127.0.0.1  Maske:255.0.0.0
          inet6-Adresse: ::1/128 Gültigkeitsbereich:Maschine
          UP LOOPBACK RUNNING  MTU:16436  Metrik:1
          RX packets:24 errors:0 dropped:0 overruns:0 frame:0
          TX packets:24 errors:0 dropped:0 overruns:0 carrier:0
          Kollisionen:0 Sendewarteschlangenlänge:0 
          RX bytes:1694 (1.6 KB)  TX bytes:1694 (1.6 KB)

wlan0     Link encap:Ethernet  Hardware Adresse 70:f1:a1:25:9d:85  
          inet6-Adresse: fe80::72f1:a1ff:fe25:9d85/64 Gültigkeitsbereich:Verbindung
          UP BROADCAST MULTICAST  MTU:1500  Metrik:1
          RX packets:41 errors:0 dropped:0 overruns:0 frame:0
          TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
          Kollisionen:0 Sendewarteschlangenlänge:1000 
          RX bytes:3029 (3.0 KB)  TX bytes:16975 (16.9 KB)

gk@inspiron:~$ iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:"RehWood"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: Not-Associated   
          Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          

gk@inspiron:~$ iwlist channel
lo        no frequency information.

eth0      no frequency information.

wlan0     14 channels in total; available frequencies :
          Channel 01 : 2.412 GHz
          Channel 02 : 2.417 GHz
          Channel 03 : 2.422 GHz
          Channel 04 : 2.427 GHz
          Channel 05 : 2.432 GHz
          Channel 06 : 2.437 GHz
          Channel 07 : 2.442 GHz
          Channel 08 : 2.447 GHz
          Channel 09 : 2.452 GHz
          Channel 10 : 2.457 GHz
          Channel 11 : 2.462 GHz
          Channel 12 : 2.467 GHz
          Channel 13 : 2.472 GHz
          Channel 14 : 2.484 GHz
          Current Frequency:2.412 GHz (Channel 1)


gk@inspiron:~$ lsmod
Module                  Size  Used by
cryptd                  8140  0 
aes_x86_64              7936  0 
aes_generic            27631  1 aes_x86_64
binfmt_misc             7984  1 
parport_pc             30086  0 
ppdev                   6804  0 
dm_crypt               13381  0 
arc4                    1497  2 
snd_hda_codec_idt      64667  1 
snd_hda_intel          26019  2 
snd_hda_codec         100919  2 snd_hda_codec_idt,snd_hda_intel
snd_hwdep               6660  1 snd_hda_codec
snd_pcm                89104  2 snd_hda_intel,snd_hda_codec
snd_seq_midi            5932  0 
snd_rawmidi            22207  1 snd_seq_midi
snd_seq_midi_event      7291  1 snd_seq_midi
snd_seq                57512  2 snd_seq_midi,snd_seq_midi_event
b43                   187932  0 
snd_timer              23850  2 snd_pcm,snd_seq
mac80211              266625  1 b43
snd_seq_device          6912  3 snd_seq_midi,snd_rawmidi,snd_seq
uvcvideo               62379  0 
videodev               49359  1 uvcvideo
v4l1_compat            15519  2 uvcvideo,videodev
dell_wmi_aio            2097  0 
dell_wmi                3372  0 
v4l2_compat_ioctl32    12614  1 videodev
cfg80211              170293  2 b43,mac80211
joydev                 11395  0 
snd                    64181  13 snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
psmouse                62080  0 
dell_laptop             6722  0 
serio_raw               4910  0 
led_class               3393  1 b43
dcdbas                  6910  1 dell_laptop
soundcore               1240  1 snd
snd_page_alloc          8588  2 snd_hda_intel,snd_pcm
lp                     10201  0 
parport                37032  3 parport_pc,ppdev,lp
usbhid                 42062  0 
hid                    84710  1 usbhid
usb_storage            50372  0 
i915                  334267  4 
drm_kms_helper         32836  1 i915
drm                   206230  4 i915,drm_kms_helper
ahci                   22210  2 
ssb                    46169  1 b43
libahci                26052  1 ahci
i2c_algo_bit            6208  1 i915
sky2                   53371  0 
intel_agp              32462  2 i915
video                  22176  1 i915
output                  2527  1 video

gk@inspiron:~$ sudo iwconfig wlan0 power off 
Error for wireless request "Set Power Management" (8B2C) :
    SET failed on device wlan0 ; Operation not supported.