I was able to obtain a LNE100TX for my new machine.  However, I am
having problems getting to work with NetBSD.  NT of course has no problems
with it :-)

>From src/distrib/notes/i386/hardware:

[...]
        Ethernet adapters:
                        [...]
                        Linksys PCI Fast Ethernet
                        [...]

This implied to me it's supported, but I'll be damned if I can get it work.
On the box, it says "Instant EtherFast(tm) Series: EtherFast 10/100
LAN Card".  On the card itself it has Linksys LNE100TX written on it.

At anyrate, has anyone gotten one of these puppies to work?

Below is the output from dmesg(8):

Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 1.3_ALPHA (INSTALL) #0: Tue Nov  4 10:18:17 EST 1997
    perry@jekyll.piermont.com:/usr/src/sys/arch/i386/compile/INSTALL
cpu0: family 5 model 2 step c
cpu0: Intel Pentium (P54C) (586-class)
real mem  = 66715648
avail mem = 58929152
using 840 buffers containing 3440640 bytes of memory
mainbus0 (root)
pci0 at mainbus0 bus 0: configuration mode 1
pchb0 at pci0 dev 0 function 0
pchb0: vendor 0x8086 product 0x7100 (rev. 0x01)
pcib0 at pci0 dev 7 function 0
pcib0: vendor 0x8086 product 0x7110 (rev. 0x01)
vendor 0x8086 product 0x7111 (IDE mass storage, interface 0x80, revision 0x01) at pci0 dev 7 function 1 not configured
vendor 0x8086 product 0x7112 (USB serial bus, revision 0x01) at pci0 dev 7 function 2 not configured
vendor 0x8086 product 0x7113 (miscellaneous bridge, revision 0x01) at pci0 dev 7 function 3 not configured
ahc1 at pci0 dev 8 function 0
ahc1: interrupting at irq 10
ahc1: aic7870 Single Channel, SCSI Id=7, 16 SCBs
scsibus0 at ahc1 channel 0: 8 targets
ahc1: target 1 synchronous at 10.0MHz, offset = 0xf
sd0 at scsibus0 targ 1 lun 0: <FUJITSU, M2684S-512, 2036> SCSI2 0/direct fixed
sd0: 507MB, 2380 cyl, 6 head, 72 sec, 512 bytes/sect x 1039329 sectors
ahc1: target 5 synchronous at 4.0MHz, offset = 0xf
cd0 at scsibus0 targ 5 lun 0: <TOSHIBA, CD-ROM XM-3601TA, 0725> SCSI2 5/cdrom removable
ahc1: target 6 synchronous at 10.0MHz, offset = 0xf
cd1 at scsibus0 targ 6 lun 0: <MATSHITA, CD-ROM CR-506, 8S05> SCSI2 5/cdrom removable
bha2 at pci0 dev 9 function 0: BusLogic 9xxC SCSI
bha2: interrupting at irq 9
bha2: model BT-946C, firmware 4.25J
bha2: sync, parity
bha2 targ 4: sync, offset 15, period 200nsec
scsibus1 at bha2: 8 targets
st0 at scsibus1 targ 4 lun 0: <ARCHIVE, Python 28849-XXX, 4.CM> SCSI2 1/sequential removable
st0: drive empty
scsibus1 targ 4 lun 1: <ARCHIVE, Python 28849-XXX, 4.CM> SCSI2 8/changer removable not configured
vendor 0x102b product 0x051b (VGA display) at pci0 dev 10 function 0 not configured
vendor 0x11ad product 0x0002 (ethernet network, revision 0x11) at pci0 dev 11 function 0 not configured
ahc2 at pci0 dev 12 function 0
ahc2: interrupting at irq 10
ahc2: Using left over BIOS settings
ahc2: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
scsibus2 at ahc2 channel 0: 16 targets
ahc2: target 2 synchronous at 10.0MHz, offset = 0xf
sd1 at scsibus2 targ 2 lun 0: <FUJITSU, M2684S-512, 2039> SCSI2 0/direct fixed
sd1: 507MB, 2380 cyl, 6 head, 72 sec, 512 bytes/sect x 1039329 sectors
ahc2: target 3 synchronous at 10.0MHz, offset = 0xf
sd2 at scsibus2 targ 3 lun 0: <FUJITSU, M2684S-512, 2039> SCSI2 0/direct fixed
sd2: 507MB, 2380 cyl, 6 head, 72 sec, 512 bytes/sect x 1039328 sectors
isa0 at pcib0
ep0 at isa0 port 0x280-0x28f irq 15: 3Com 3C509 Ethernet
ep0: MAC address 00:60:97:82:d9:01
ep0: 8KB byte-wide FIFO, 1:1 Rx:Tx split, utp/aui/bnc (default utp)
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo
npx0 at isa0 port 0xf0-0xff: using exception 16
pc0 at isa0 port 0x60-0x6f irq 1: color
pc0: console
fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
isapnp0 at isa0 port 0x279: read port 0x203
isapnp0: <Creative ViBRA16C PnP, CTL0001, , Audio> port 0x220/16,0x330/2,0x388/4 irq 5 drq 1,5 not configured
isapnp0: <Creative ViBRA16C PnP, CTL7001, PNPB02F, Game> port 0x200/8 not configured
biomask 640 netmask 8640 ttymask 8642
md0: internal 1537K image area
boot device: sd0
root on md0a dumps on md0b
root file system type: ffs