Colin, your note reminded me that I hadn't replied to this. I apologize. The machine is running Hardy desktop. Here's the output of 'sudo lspci -vvnn'. Let me know if you need more or need me to test something. 00:00.0 RAM memory [0500]: nVidia Corporation C51 Host Bridge [10de:02f1] (rev a2) Subsystem: Giga-byte Technology GA-M55plus-S3G [1458:5000] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR+ TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- Reset- FastB2B- Capabilities: [b8] Subsystem: Gammagraphx, Inc. Unknown device [0000:0000] Capabilities: [8c] HyperTransport: MSI Mapping 00:10.1 Audio device [0403]: nVidia Corporation MCP51 High Definition Audio [10de:026c] (rev a2) Subsystem: Giga-byte Technology Unknown device [1458:a002] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR-