Rogerborg wrote:

Just open a terminal and type in sudo su
type in administrator password,
then type in iwconfig wlan0 rate 54M and that will connect you at 54M/bs
> Problem still extant in 9.04 2.6.28-15 with the rt2500pci driver.
>
> $ uname -a
> Linux reliant 2.6.28-15-generic #49-Ubuntu SMP Tue Aug 18 19:25:34 UTC 2009 x86_64 GNU/Linux
>
> $ dmesg | grep wlan0
> [   37.832962] ADDRCONF(NETDEV_UP): wlan0: link is not ready
> [   53.860368] wlan0: direct probe to AP 00:13:d3:7f:18:2f try 1
> [   53.862350] wlan0 direct probe responded
> [   53.862356] wlan0: authenticate with AP 00:13:d3:7f:18:2f
> [   53.864016] wlan0: authenticated
> [   53.864019] wlan0: associate with AP 00:13:d3:7f:18:2f
> [   53.866591] wlan0: RX AssocResp from 00:13:d3:7f:18:2f (capab=0x431 status=0 aid=1)
> [   53.866593] wlan0: associated
> [   53.867089] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
> [   64.172022] wlan0: no IPv6 routers present
>
> $ sudo lspci -vv
> ...
> 02:01.0 Network controller: RaLink RT2500 802.11g Cardbus/mini-PCI (rev 01)
> 	Subsystem: Belkin Device 700a
> 	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 64, Cache Line Size: 64 bytes
> 	Interrupt: pin A routed to IRQ 21
> 	Region 0: Memory at fddfc000 (32-bit, non-prefetchable) [size=8K]
> 	Capabilities: [40] Power Management version 2
> 		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
> 		Status: D0 PME-Enable- DSel=0 DScale=0 PME-
> 	Kernel driver in use: rt2500pci
> 	Kernel modules: rt2500pci
> ...
>
> $ iwconfig wlan0
> wlan0     IEEE 802.11bg  ESSID:"Angband-NAT"  
>           Mode:Managed  Frequency:2.462 GHz  Access Point: 00:13:D3:7F:18:2F   
>           Bit Rate=1 Mb/s   Tx-Power=20 dBm   
>           Retry min limit:7   RTS thr:off   Fragment thr=2352 B   
>           Power Management:on
>           Link Quality=70/100  Signal level:-55 dBm  
>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
>
> $ sudo iwconfig wlan0 rate 54M
> $ sleep 5
> $ iwconfig wlan0
> wlan0     IEEE 802.11bg  ESSID:"Angband-NAT"  
>           Mode:Managed  Frequency:2.462 GHz  Access Point: 00:13:D3:7F:18:2F   
>           Bit Rate=54 Mb/s   Tx-Power=20 dBm   
>           Retry min limit:7   RTS thr:off   Fragment thr=2352 B   
>           Power Management:on
>           Link Quality=70/100  Signal level:-56 dBm  
>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
>
> $ sudo iwconfig wlan0 rate auto
> $ sleep 5
> $ iwconfig wlan0
> wlan0     IEEE 802.11bg  ESSID:"Angband-NAT"  
>           Mode:Managed  Frequency:2.462 GHz  Access Point: 00:13:D3:7F:18:2F   
>           Bit Rate=1 Mb/s   Tx-Power=20 dBm   
>           Retry min limit:7   RTS thr:off   Fragment thr=2352 B   
>           Power Management:on
>           Link Quality=50/100  Signal level:-57 dBm  
>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
>
>