hi guys,
here is 'lspci -tvnn'. additional cards are marked with PCIE CARD at the begin of line, rest should be onboard. i hope it help :)
-[0000:00]-+-00.0 nVidia Corporation MCP55 Memory Controller [10de:0369] +-01.0 nVidia Corporation MCP55 LPC Bridge [10de:0360] +-01.1 nVidia Corporation MCP55 SMBus [10de:0368] +-02.0 nVidia Corporation MCP55 USB Controller [10de:036c] +-02.1 nVidia Corporation MCP55 USB Controller [10de:036d] +-04.0 nVidia Corporation MCP55 IDE [10de:036e] +-05.0 nVidia Corporation MCP55 SATA Controller [10de:037f] +-05.1 nVidia Corporation MCP55 SATA Controller [10de:037f] +-05.2 nVidia Corporation MCP55 SATA Controller [10de:037f] +-06.0-[0000:01]----0b.0 Texas Instruments TSB43AB22/A IEEE-1394a-2000 Controller (PHY/Link) [104c:8023] +-06.1 nVidia Corporation MCP55 High Definition Audio [10de:0371] +-08.0 nVidia Corporation MCP55 Ethernet [10de:0373] +-09.0 nVidia Corporation MCP55 Ethernet [10de:0373] PCIE CARD +-0a.0-[0000:02]----00.0 nVidia Corporation G70 [GeForce 7600 GT] [10de:0391] +-0e.0-[0000:03]-- PCIE CARD +-0f.0-[0000:04]----00.0 nVidia Corporation G70 [GeForce 7600 GT] [10de:0391] +-18.0 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration [1022:1100] +-18.1 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map [1022:1101] +-18.2 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller [1022:1102] -18.3 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control [1022:1103]