Bug#512546: Ethernet card not found
this problem is also occurring on Dell Optiplex 780 machines,
the PCI ID of the network card is 8086:10de.
I tried installing using this netboot image:
which has the date stamp '20090123lenny7' in boot-screens/f1.txt.
It would be helpful to know whether the kernel team intends to
address this issue, I understand that you are always quite busy.
It may be helpful to retitle this bug:
igb: missing support for more Intel 82576 variants