https://dl.dropbox.com/u/88732606/Apps/lspci%20V1.1.pkg.zipinstall, restart, and run with "lspci -vv" in terminal
search for "10DE" if you have Nvidia, "1002" if AMD/ATI.
02:00.0 Class 0300: Unknown device 10de:100c (rev a1)
Subsystem: Unknown device 3842:3790
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 19
Region 0: Memory at 8a000000 (32-bit, non-prefetchable)
Region 1: Memory at <ignored> (64-bit, prefetchable)
Region 3: Memory at <ignored> (64-bit, prefetchable)
Region 5: I/O ports at 2000 [disabled]
Capabilities: [60] Power Management version 3
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [68] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+
Address: 00000000fee00000 Data: 4072
Capabilities: [78] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s unlimited, L1 <64us
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+
MaxPayload 128 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend-
LnkCap: Port #8, Speed 5GT/s, Width x16, ASPM unknown, Latency L0 <512ns, L1 <4us
ClockPM+ Suprise- LLActRep- BwNot-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk-
ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 5GT/s, Width x16, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
Note that the first few "10DE"s you find will be the audio portion that isn't used much in OSX.
Look for device id of your card.
Here is an unflashed 680:
02:00.0 Class 0300: Unknown device 10de:1180 (rev a1)
Subsystem: Unknown device 10de:0969
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 19
Region 0: Memory at 8a000000 (32-bit, non-prefetchable)
Region 1: Memory at <ignored> (64-bit, prefetchable)
Region 3: Memory at <ignored> (64-bit, prefetchable)
Region 5: I/O ports at 2000 [disabled]
Capabilities: [60] Power Management version 3
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [68] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+
Address: 00000000fee00000 Data: 4072
Capabilities: [78] Express (v1) Endpoint, MSI 00
DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s unlimited, L1 <64us
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+
MaxPayload 128 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend-
LnkCap: Port #8, Speed 2.5GT/s, Width x16, ASPM L0s L1, Latency L0 <512ns, L1 <4us
ClockPM+ Suprise- LLActRep- BwNot-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk-
ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
Capabilities: [b4] Vendor Specific Information <?>
Capabilities: [100] #10de
Capabilities: [118] #3f
And here is the GTX680 that has been flashed, note that just like as shown in GPU-Z in Windows, it shows "capability" as 5.0 but current status as 2.5.
02:00.0 Class 0300: Unknown device 10de:1180 (rev a1)
Subsystem: Unknown device 3842:0969
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 19
Region 0: Memory at 8a000000 (32-bit, non-prefetchable)
Region 1: Memory at <ignored> (64-bit, prefetchable)
Region 3: Memory at <ignored> (64-bit, prefetchable)
Region 5: I/O ports at 2000 [disabled]
Capabilities: [60] Power Management version 3
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [68] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+
Address: 00000000fee00000 Data: 4072
Capabilities: [78] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s unlimited, L1 <64us
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+
MaxPayload 128 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend-
LnkCap: Port #8, Speed 5GT/s, Width x16, ASPM L0s L1, Latency L0 <512ns, L1 <4us
ClockPM+ Suprise- LLActRep- BwNot-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk-
ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
Capabilities: [b4] Vendor Specific Information <?>
Capabilities: [100] #10de
Capabilities: [118] #3f