OfficeServ 100 Installation Manual
© SAMSUNG Electronics Co., Ltd. 9-1
CHAPTER 9. Changing Software
This chapter describes how to change software of OfficeServ 100 system.
In order to easily replace the system software, it may be necessary to partially disassemble
the KSU. This procedure should be performed in the following sequence.
9.1 MEM3
1) Check the battery switch on the MEM card and make sure it is ON.
When changing software
If the documentation with the new software indicates that reprogramming will be
necessary. You may wish to switch the battery OFF at this stage to ensure the
system is properly defaulted.
2) Switch OFF the KSU. Do not unplug the KSU.
3) Remove the EPROMs from MEM card using a chip extraction tool or by gently prying
with small flat bladed screw driver. Set the removed EPROMs aside carefully in case
the need to be reinstalled.
4) Remove the new EPROM from their protective packaging and confirm that the legs on
the EPROMs are straight. If the legs are not straight, contact Samsung Technical
Support. Carefully insert the new EPROM in their designated sockets.
5) Install the MEM card carefully.
6) Switch ON the KSU and verify that it is operating. If the KSU does not operate,
remove the new EPROMs and reinstall the EPROMs and test again. If the system still
fails to operate, contact Samsung Technical Support.
7) When the system is operating satisfactorily, switch ON the battery switch on the MEM
card and cover the system.
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