DSCLOCK(4) Device Drivers Manual (sgimips) DSCLOCK(4)

dsclock
DS1286 real-time clock

dsclock* at hpc0 offset ?

The dsclock driver provides support for the DS1286 real-time clock (RTC). This device appears on SGI Indy and Indigo2 machines. Note that the kernel expects the RTC to run in UTC.

sgimips/dpclock(4), sgimips/intro(4)

The dsclock driver first appeared in NetBSD 1.6.
February 17, 2017 NetBSD 9.4