ISDN_TIMER_RES    231 include/linux/isdn.h #define ISDN_TIMER_02SEC       (HZ/ISDN_TIMER_RES/5)     /* Slow-Timer1 .2 sec      */
ISDN_TIMER_RES    232 include/linux/isdn.h #define ISDN_TIMER_1SEC        (HZ/ISDN_TIMER_RES)       /* Slow-Timer2 1 sec       */
ISDN_TIMER_RES    248 include/linux/isdn.h #define ISDN_TIMER_DTIMEOUT10 (10*HZ/(ISDN_TIMER_02SEC*(ISDN_TIMER_RES+1)))
ISDN_TIMER_RES    249 include/linux/isdn.h #define ISDN_TIMER_DTIMEOUT15 (15*HZ/(ISDN_TIMER_02SEC*(ISDN_TIMER_RES+1)))
ISDN_TIMER_RES    250 include/linux/isdn.h #define ISDN_TIMER_DTIMEOUT60 (60*HZ/(ISDN_TIMER_02SEC*(ISDN_TIMER_RES+1)))