[CentOS] Dell 2950 and broadcom

Hi all

I'm trying to setup second ethernet on Dell 2950 server
but there isn't any eth1 device (in the bios are ON)

# dmesg |grep eth
eth0: Broadcom NetXtreme II BCM5708 1000Base-T (B2) PCI-X 64-bit 133MHz 
found at mem f8000000, IRQ 169, node addr 001c23d878bb
eth1: Broadcom NetXtreme II BCM5708 1000Base-T (B2) PCI-X 64-bit 133MHz 
found at mem f4000000, IRQ 169, node addr 001c23d878bd
bnx2: eth0: using MSI
bnx2: eth0 NIC Link is Up, 100 Mbps full duplex



# uname -a
Linux vmta2.contactlab.it 2.6.18-53.1.6.el5 #1 SMP Wed Jan 23 11:28:47 
EST 2008 x86_64 x86_64 x86_64 GNU/Linux


# ifconfig -a
dev707    Link encap:Ethernet  HWaddr 00:1C:23:D8:78:BD
           BROADCAST MULTICAST  MTU:1500  Metric:1
           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
           Interrupt:169 Memory:f4000000-f4012100

eth0      Link encap:Ethernet  HWaddr 00:1C:23:D8:78:BB
           inet addr:xxxxxxxxxx  Bcast:xxxxxxxxx  Mask:255.255.255.0
           inet6 addr: fe80::21c:23ff:fed8:78bb/64 Scope:Link
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:119649 errors:0 dropped:0 overruns:0 frame:0
           TX packets:43871 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:91428814 (87.1 MiB)  TX bytes:5879945 (5.6 MiB)
           Interrupt:169 Memory:f8000000-f8012100

lo        Link encap:Local Loopback
           inet addr:127.0.0.1  Mask:255.0.0.0
           inet6 addr: ::1/128 Scope:Host
           UP LOOPBACK RUNNING  MTU:16436  Metric:1
           RX packets:14 errors:0 dropped:0 overruns:0 frame:0
           TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:848 (848.0 b)  TX bytes:848 (848.0 b)


# ls -la /sys/class/net/
total 0
drwxr-xr-x  6 root root 0 Jan 24 10:39 .
drwxr-xr-x 30 root root 0 Jan 24 10:39 ..
drwxr-xr-x  3 root root 0 Jan 24 10:57 dev707
drwxr-xr-x  3 root root 0 Jan 24 10:40 eth0
drwxr-xr-x  3 root root 0 Jan 24 10:40 lo
drwxr-xr-x  3 root root 0 Jan 24 10:40 sit0


# lsmod |grep bnx
bnx2                  190425  0


# cat /etc/modprobe.conf
alias eth0 bnx2
alias eth1 bnx2
alias scsi_hostadapter megaraid_sas
alias scsi_hostadapter1 ata_piix



How can I do to setup eth1 device?

kind regards