Hello everybody, I'd like to change the power state of my network adapter from D0 to any other state(D1,D2,D3hot), is that possible?

I have install and running acpid and I'm using kernel 2.6.38...

PHP Code:
root@localhost jacob]# lspci -s 05:01.0 -vv
05:01.0 Ethernet controllerRealtek Semiconductor Co., LtdRTL-8139/8139C/8139C+ (rev 10)
SubsystemLenovo Device 2074
StatusCap66MHzUDFFastB2BParErrDEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERRINTx-
Latency64 (8000ns min16000ns max)
Interruptpin A routed to IRQ 21
   Region 0
I/O ports at 2000 [size=256]
Region 1Memory at d0100000 (32-bitnon-prefetchable) [size=256]
Capabilities: [50Power Management version 2
PMEClkDSID1D2AuxCurrent=375mA PME(D0-,D1+,D2+,D3hot+,D3cold+)
StatusD0 NoSoftRstPME-EnableDSel=0 DScale=0 PME-
Kernel driver in use: 8139too
   Kernel modules
thank you in advanced