allora io ho provato questa penna però ci sono dei problemi perchè non funziona bene su centos 6.2: ho messo il firmware-rt2870sta.bin del driver ralink da scaricare da ralink.com quello usb per 2870-3070 il firmware quando lo estrai un file bin, ho messo il kmod-rt3070sta.firmware.25.0.1 la penna funge e navigo però non lampeggia con il firmware originale di centos rt2870-firmware non navigo ma mi vede le reti però non prende nessuna rete ci deve essere qualche bug nel kernel o nel firmware penso
[root@localhost paolo]# lsmod | grep rt3070sta
rt3070sta 628100 1
[root@localhost paolo]# iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
ra0 Ralink STA ESSID:"USR911" Nickname:"RT2870STA"
Mode:Managed Frequency=2.437 GHz Access Point: F0:7D:68:9E:F4:B2
Bit Rate=270 Mb/s
RTS thr:off Fragment thr:off
Encryption key:E5ED-D841-2250-DA8F-6660-0492-0904-6753 Security mode:restricted Security mode:open
Link Quality=100/100 Signal level:-18 dBm Noise level:-31 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
eth1 no wireless extensions.
eth2 no wireless extensions.
[root@localhost paolo]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:1D:92:EE:5C:E5
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:25 Base address:0xc000
eth1 Link encap:Ethernet HWaddr 00:07:E9:13:E9:4C
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
eth2 Link encap:Ethernet HWaddr 00:02:2A:E1:F1:24
inet6 addr: fe80::202:2aff:fee1:f124/64 Scope:Link
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:5 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:864 (864.0 b) TX bytes:468 (468.0 b)
Interrupt:19 Base address:0xcc00
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:72 errors:0 dropped:0 overruns:0 frame:0
TX packets:72 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:8006 (7.8 KiB) TX bytes:8006 (7.8 KiB)
ra0 Link encap:Ethernet HWaddr F0:7D:68:65:55:21
inet addr:192.168.0.101 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::f27d:68ff:fe65:5521/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:15826 errors:0 dropped:0 overruns:0 frame:0
TX packets:4399 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:8562967 (8.1 MiB) TX bytes:845234 (825.4 KiB)
[root@localhost paolo]# [/tt][/hr][/list]
non ho ancora imparato a inserire le tabelle con gli spazi faccio il possibile potete verificare voi stessi io so se metti il firmware rt2870sta.bin in opensuse in /lib/firmware e blacklisti il modulo la penna viene vista subito e funziona con centos non ho molta familiarità non vorrei che mi danneggia la penna wireless dwa 140 se non lampeggia