pciconf -w

[Takashi Inoue]

Sam Leffler wrote:

> Takashi Inoue wrote:
> 
>> Hi friends,
>>
>> Does anyone know how to trun off a pci device using pciconf -w ?
>>
>> Becase my MiniPCI Express wireless card is realy hot,
>> I want to turn off when I don't need it.
>>
>>
>> ath0 at pci0:3:0:0:       class=0x020000 card=0x058a1014 chip=0x1014168c
>> rev=0x01 hdr=0x00
>>     vendor     = 'Atheros Communications Inc.'
>>     device     = 'AR5212 Atheros AR5212 802.11abg wireless'
>>     class      = network
>>     subclass   = ethernet
>>     cap 01[40] = powerspec 2  supports D0 D3  current D0
>>     cap 05[50] = MSI supports 1 message
>>     cap 10[60] = PCI-Express 1 legacy endpoint
>>     cap 11[90] = MSI-X supports 1 message in map 0x10
>>
>>   
> 
> 
> Did you mark the interface down?  When you do that it should power off 
> the radio and the stop the mac's clock.

   Really?
   I don't think so.
   At here, ath0 is ON(D0) regardress ath0 is up or down
   or driver is loaded or unloded.


> Device id 0x1014 is not pcie as far as I know and I've never seen an 
> Atheros card that supports MSI so something doesn't make sense here 
> (perhaps I'm just unaware of MSI support coming in).

That is Lebovo option MiniPCI Express card in below(in Japanese).

http://www-06.ibm.com/jp/pc/option/obi/nob11/40y7028/40y7028a.shtml


  T. Inoue