fwiw, on the t1/105 (the one i have) it appears to be a lucent chip
with the markings:

1216f
0010s
41525404 

oui LUCENT                     0x0006b8        Lucent Technologies

i cant seem to find any information on the web.

Fri, Oct 11, 2002 at 05:12:53PM -0700, john heasley:
> my experience is that the ukphy does not work with the hme on the
> netra.
> 
> hme0 at pci1 dev 1 function 1: Sun Happy Meal Ethernet, rev. 1
> hme0: interrupting at ivec 3021
> hme0: Ethernet address 08:00:20:d9:1c:68
> OUI 0x0006b8 model 0x000c rev 1 at hme0 phy 0 not configured
> OUI 0x0006b8 model 0x000c rev 1 at hme0 phy 1 not configured
> hme1 at pci1 dev 3 function 1: Sun Happy Meal Ethernet, rev. 1
> hme1: interrupting at ivec 301a
> hme1: Ethernet address 08:00:20:d9:1c:68
> OUI 0x0006b8 model 0x000c rev 1 at hme1 phy 0 not configured
> 
> # MII/PHY support
> # XXX: only nsphy "tested"
> #dmphy* at mii? phy ?                   # Davicom DM9101 PHYs
> #exphy* at mii? phy ?                   # 3Com internal PHYs
> #icsphy*        at mii? phy ?                   # Integrated Circuit Systems ICS
> 189x
> #inphy* at mii? phy ?                   # Intel 82555 PHYs
> #iophy* at mii? phy ?                   # Intel 82553 PHYs
> #lxtphy*        at mii? phy ?                   # Level One LXT-970 PHYs
> nsphy*  at mii? phy ?                   # NS83840 PHYs
> nsphyter* at mii? phy ?                 # NS83843 PHYs
> #qsphy* at mii? phy ?                   # Quality Semiconductor QS6612 PHYs
> #sqphy* at mii? phy ?                   # Seeq 80220/80221/80223 PHYs
> #tlphy* at mii? phy ?                   # ThunderLAN PHYs
> #tqphy* at mii? phy ?                   # TDK Semiconductor PHYs
> #ukphy* at mii? phy ?                   # generic unknown PHYs
> 
> 0x0006b8 doesnt appear in miidevs, which i'm guess is why it fails to
> match.  i havent tried to figure out which phy it has.