| JMPHY(4) | Device Drivers Manual | JMPHY(4) | 
jmphy —
jmphy* at mii?
jmphy driver supports the JMicron JMP202 10/100 and
  JMP211 10/100/Gigabit Ethernet PHYs.
jmphy device driver first appeared in
  OpenBSD 4.5.
jmphy driver was written by Pyun
  YongHyeon for FreeBSD and ported to
  OpenBSD by Jonathan Gray
  <jsg@openbsd.org> and
  then ported to NetBSD 9.0 by Masanobu
  SAITOH.
| October 30 2019 | NetBSD 9.4 |