Kernel.org: 3.3.7, 
sid (unstable): 3.2.18-1
wheezy (testing): 3.2.17-1
kmuto bpo d-i: 
squeeze-bpo: 3.2.15-1~bpo60+1
squeeze (stable): 2.6.32-45
lenny (oldstable): 

Debian GNU/Linux device driver check & report

Plathome: OpenMicroServer

PCI IDWorks?VendorDeviceDriverKernel
10330035YesNEC CorporationUSBusb-ohci,ohci-hcd
10330035YesNEC CorporationUSBusb-ohci,ohci-hcd
103300e0YesNEC CorporationUSB 2.0usb-ohci,ehci-hcd
80861076YesIntel Corporation82541GI Gigabit Ethernet Controllere1000v2.6.25-
80861076YesIntel Corporation82541GI Gigabit Ethernet Controllere1000v2.6.25-

Two Intel NIC devices are of eth1 and eth2.
eth0 isn't PCI and is working with au1000eth driver.