IC 2 TIMER(S), REAL TIME CLOCK, PQCC28, PLASTIC, LCC-28, Timer or RTC
IC 0 TIMER(S), REAL TIME CLOCK, PQCC28, PLASTIC, LCC-28, Timer or RTC

Real Time Clock Parallel 32byte Clock/Calendar/Alarm/Battery Backup/Interrupt 28-Pin PLCC Tube
IC 2 TIMER(S), REAL TIME CLOCK, PQCC28, PLASTIC, LCC-28, Timer or RTC
IC 0 TIMER(S), REAL TIME CLOCK, PQCC28, PLASTIC, LCC-28, Timer or RTC
IC 4M X 1, DRAM CONTROLLER, PQCC84, PLASTIC, LCC-84, Memory Controller
IC 1M X 1, DRAM CONTROLLER, PQCC68, PLASTIC, LCC-68, Memory Controller