Хочу поставить вторую сетевуху. Что для этого нужно сделать?

1. Убедитесь, что карта вставлена и ее в системе видно.
2. Убедитесь, что нужный модуль ядра собран.
3. Убедитесь, что нужный модуль подгружается.
Вам в помощь lspci, lsmod и dmesg

Linux version 2.6.18-gentoo-r6 (root@eddie) (gcc version 4.1.1 (Gentoo 4.1.1)) #7 Fri Feb 9 13:35:38 MSK 2007
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000f1bd2 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 0000000005fffc00 (usable)
BIOS-e820: 00000000fffe0000 - 0000000100000000 (reserved)
95MB LOWMEM available.
On node 0 totalpages: 24575
DMA zone: 4096 pages, LIFO batch:0
Normal zone: 20479 pages, LIFO batch:3
DMI not present or invalid.
ACPI: Unable to locate RSDP
Allocating PCI resources starting at 10000000 (gap: 05fffc00:f9fe0400)
Detected 266.323 MHz processor.
Built 1 zonelists. Total pages: 24575
Kernel command line: root=/dev/hda1
Local APIC disabled by BIOS -- you can enable it with "lapic"
mapped APIC to ffffd000 (010c1000)
Initializing CPU#0
PID hash table entries: 512 (order: 9, 2048 bytes)
Console: colour VGA+ 80x25
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 92136k/98300k available (3231k kernel code, 5712k reserved, 1133k data, 196k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 533.13 BogoMIPS (lpj=2665668)
Mount-cache hash table entries: 512
CPU: After generic identify, caps: 0080f9ff 00000000 00000000 00000000 00000000 00000000 00000000
CPU: After vendor identify, caps: 0080f9ff 00000000 00000000 00000000 00000000 00000000 00000000
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 512K
CPU: After all inits, caps: 0080f9ff 00000000 00000000 00000040 00000000 00000000 00000000
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
Compat vDSO mapped to ffffe000.
CPU: Intel Pentium II (Klamath) stepping 03
Checking 'hlt' instruction... OK.
NET: Registered protocol family 16
PCI: PCI BIOS revision 2.10 entry at 0xf6fed, last bus=0
PCI: Using configuration type 1
Setting up standard PCI resources
ACPI: Interpreter disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI: disabled
SCSI subsystem initialized
usbcore: registered new driver usbfs
usbcore: registered new driver hub
PCI: Probing PCI hardware
PCI: Probing PCI hardware (bus 00)
Boot video device is 0000:00:0d.0
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 4096 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 4096 bind 2048)
TCP reno registered
Machine check exception polling timer started.
audit: initializing netlink socket (disabled)
audit(1174664209.310:1): initialized
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
NTFS driver 2.1.27 [Flags: R/O].
io scheduler noop registered
io scheduler cfq registered (default)
Limiting direct PCI/PCI transfers.
Activating ISA DMA hang workarounds.
lp: driver loaded but no devices found
Real Time Clock Driver v1.12ac
Non-volatile memory driver v1.2
Linux agpgart interface v0.101 (c) Dave Jones
[drm] Initialized drm 1.0.1 20051102
RAM (2048 kB) at 0xxfc000000, Cirrus Logic chipset on PCI bus
cirrusfb: Driver for Cirrus Logic based graphic boards, v2.0-pre2
cirrusfb: This board has 2097152 bytes of DRAM memory
cirrusfb: This board has 2097152 bytes of DRAM memory
Console: switching to colour frame buffer device 80x30
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
parport0: PC-style at 0x378 [PCSPP]
lp0: using parport0 (polling).
PNP: No PS/2 controller found. Probing ports directly.
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
mice: PS/2 mouse device common for all mice
Floppy drive(s): fd0 is 1.44M
FDC 0 is a National Semiconductor PC87306
input: AT Translated Set 2 keyboard as /class/input/input0
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
nbd: registered device at major 43
e100: Intel(R) PRO/100 Network Driver, 3.5.10-k2-NAPI
e100: Copyright(c) 1999-2005 Intel Corporation
epic100.c:v1.11 1/7/2001 Written by Donald Becker
http://www.scyld.com/network/epic100.html
(unofficial 2.4.x kernel port, version 2.0, June 27, 2006)
epic100 0000:00:06.0: MII transceiver #3 control 3000 status 7809.
epic100 0000:00:06.0: Autonegotiation advertising 01e1 link partner 0001.
eth0: SMSC EPIC/100 83c170 at 0xfc00, IRQ 11, 00:e0:29:3c:63:5e.
Linux video capture interface: v2.00
saa7130/34: v4l2 driver version 0.2.14 loaded
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
Probing IDE interface ide0...
logips2pp: Detected unknown logitech mouse model 1
input: PS/2 Logitech Mouse as /class/input/input1
hda: Maxtor 90680U2, ATA DISK drive
hdb: Maxtor 90680U2, ATA DISK drive
Probing IDE interface ide1...
hdc: HITACHI CDR-8130, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: max request size: 128KiB
hda: 13293504 sectors (6806 MB) w/2048KiB Cache, CHS=13188/16/63
hda: cache flushes not supported
hda: hda1
hdb: max request size: 128KiB
hdb: 13293504 sectors (6806 MB) w/2048KiB Cache, CHS=13188/16/63
hdb: cache flushes not supported
hdb: hdb1 hdb2
hdc: ATAPI 16X CD-ROM drive, 128kB Cache
Uniform CD-ROM driver Revision: 3.20
USB Universal Host Controller Interface driver v3.0
uhci_hcd 0000:00:04.2: UHCI Host Controller
uhci_hcd 0000:00:04.2: new USB bus registered, assigned bus number 1
uhci_hcd 0000:00:04.2: irq 9, io base 0x0000f4e0
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
Initializing USB Mass Storage driver...
usbcore: registered new driver usb-storage
USB Mass Storage support registered.
i2c /dev entries driver
IPv4 over IPv4 tunneling driver
ip_conntrack version 2.4 (767 buckets, 6136 max) - 172 bytes per conntrack
ip_tables: (C) 2000-2006 Netfilter Core Team
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 10
IPv6 over IPv4 tunneling driver
NET: Registered protocol family 17
Bridge firewalling registered
NET: Registered protocol family 5
Using IPI Shortcut mode
Time: tsc clocksource has been installed.
ReiserFS: hda1: found reiserfs format "3.6" with standard journal
ReiserFS: hda1: using ordered data mode
ReiserFS: hda1: journal params: device hda1, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
ReiserFS: hda1: checking transaction log (hda1)
ReiserFS: hda1: journal-1153: found in header: first_unflushed_offset 585, last_flushed_trans_id 54554
ReiserFS: hda1: journal-1206: Starting replay from offset 234311940833865, trans_id 3321206784
ReiserFS: hda1: journal-1299: Setting newest_mount_id to 47
ReiserFS: hda1: Using r5 hash to sort names
VFS: Mounted root (reiserfs filesystem) readonly.
Freeing unused kernel memory: 196k freed
ReiserFS: hdb2: found reiserfs format "3.6" with standard journal
ReiserFS: hdb2: warning: CONFIG_REISERFS_CHECK is set ON
ReiserFS: hdb2: warning: - it is slow mode for debugging.
ReiserFS: hdb2: using ordered data mode
ReiserFS: hdb2: journal params: device hdb2, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
ReiserFS: hdb2: checking transaction log (hdb2)
ReiserFS: hdb2: journal-1153: found in header: first_unflushed_offset 2554, last_flushed_trans_id 508
ReiserFS: hdb2: journal-1206: Starting replay from offset 2186138356218, trans_id 3222959427
ReiserFS: hdb2: journal-1299: Setting newest_mount_id to 24
ReiserFS: hdb2: Using r5 hash to sort names
Adding 293288k swap on /dev/hdb1. Priority:-1 extents:1 across:293288k
eth0: Setting full-duplex based on MII #3 link partner capability of 45e1.
eth0: no IPv6 routers present
spurious 8259A interrupt: IRQ7.

что такое e100? это она и есть?

00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02)
00:04.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II] (rev 01)
00:04.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II]
00:04.2 USB Controller: Intel Corporation 82371SB PIIX3 USB [Natoma/Triton II] (rev 01)
00:06.0 Ethernet controller: Standard Microsystems Corp [SMC] 83c170 EPIC/100 Fast Ethernet Adapter (rev 08)
00:0a.0 Ethernet controller: Compex RL100TX Fast Ethernet
00:0d.0 VGA compatible controller: Cirrus Logic GD 5446 (rev 45)

SMC - та, что юзаю сейчас
Compex - вот эта самая невидимка

как определить вообще ее имя? ethКакойто?