2
2. Position the PROM carefully on the socket, and partially seat the PROM.
Orient the divice pin1 correctly as shown in Figure 2-17.
3. Check for bent pins, then press firmly to seat the PROM in the socket.
Caution – Use a cushioned ESD mat to prevent breakage of parts on the
!
underside of the board.
4. Install the remaining PROMs in the same manner.
5. Install any SBus card that was removed for this procedure.
2.8 TOD/NVRAM
Refer to Figure 2-18 for the location of the TOD/NVRAM IC.
Pin 1
Figure 2-18 TOD/NVRAM Location
2-18
SPARCcenter 2000 System Board Manual—October 1994