Hmm, the PCI communication device to me would stop PCI cards or some of them from runnning, though you must be running some. Doens't it find them automatically or from winows update at all?
The PCI Ethernet controller will be a driver fro a ethernet modem that might be plugged into your computer at the back (do you use it?) or because the first driver, the PCI communications device isn' working, neither are the other PCI devices.
This will be the same with your sound card, the mulitmedia audio device. So you don't get sound either?
Hmm... could you by any chance give me your motherboard make and model number?
if you don't know it, its printed usually on the motherboard if you can open your pc up, and it lists it at bootup after shutting down sometimes. To slow this process down so you can see it for a bit longer, hit the pause/break button on the keyboard which was used in old dos days to slow something down. Then you might have to hit it again to get it going at normal speed.
I hope this helps
Abit IP35 Pro / Q6600 G0 / Zalman 9700 / 8800GTS 640mb / 4x 2GB Corsair XMS / X-FI Xtreme M / 1x 1TB / Antec 900 / Logitech Z-5500 / Samsung 20inch