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ISLRTC(4) Device Drivers Manual ISLRTC(4)

islrtcIntersil ISL1208/1218 real-time clock

islrtc* at iic? addr 0x6f

The islrtc driver provides support for the Intersil/Renesas ISL1208 and ISL1218 real-time clock chips.

iic(4), intro(4)

The islrtc driver first appeared in OpenBSD 6.4.

The islrtc driver was written by Mark Kettenis <>.

November 20, 2018 OpenBSD-7.1