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Can't stay connected to Network: Debian

I disabled the onboard NIC. I added a PCI card and connected the ethernet cable to it.

I can connect to the internet if I enable the connection in the upper corner of the desktop (I think through Network Manager). I lose the connection every time I shutdown the computer, and have to reconnect.

Here is some information I gathered:

Code:

lspci

00:00.0 Host bridge: Intel Corporation 82815 815 Chipset Host Bridge and Memory Controller Hub (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82815 CGC [Chipset Graphics Controller] (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 02)
00:1f.0 ISA bridge: Intel Corporation 82801BA ISA Bridge (LPC) (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801BA IDE U100 (rev 02)
00:1f.2 USB Controller: Intel Corporation 82801BA/BAM USB (Hub #1) (rev 02)
00:1f.3 SMBus: Intel Corporation 82801BA/BAM SMBus (rev 02)
00:1f.4 USB Controller: Intel Corporation 82801BA/BAM USB (Hub #2) (rev 02)
01:0b.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 06)
01:0d.0 Ethernet controller: Macronix, Inc. [MXIC] MX987x5 (rev 25)

Code:

etc/network/interfaces

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth1
iface eth1 inet dhcp

auto eth1

Code:

ethtool eth1

it tells me there is no data available.

I would appreciate help in resolving this.

I think that if you have disabled the onboard nic, then the new card becomes eth0, rather than eth1. Try "ethtool eth0" and let's see what happens.

Michael

eth1 and eth2 say there is no device:

Code:

ethtool eth0

Cannot get device settings: No such device
Cannot get wake-on-lan settings: No such device
Cannot get message level: No such device
Cannot get link status: No such device
Settings for eth0:
No data available

Code:

ethtool eth1

Settings for eth1:
No data available

Code:

ethtool eth2