| A2KBBC(4) | Device Drivers Manual (amiga) | A2KBBC(4) | 
a2kbbc —
a2kbbc at mainbus0
a2kbbc real-time clock driver provides support for
  the OKI M6264 chip found in A500/A2000 class machines.
a2kbbc device first appeared in
  NetBSD 1.3.
| April 7, 2019 | NetBSD 10.1 |