HP SDC Real Time Clock

modulename: hp_sdc_rtc.ko

configname: CONFIG_HP_SDC_RTC

Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Miscellaneous devices
└─>HP SDC Real Time Clock
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say Y here if you want to support the built-in real time clock
of the HP SDC controller.

source code: