EPROM or EEPROM for Siemens S5

Hello.

Could you please tell me what type of memory do I need to store the program for S5 PLCs: EPROM or EEPROM or both of them.
Which memory will do the job:
1. Memory submodule (EPROM) 8 Kbytes 6ES5 375-1LA15
or
2. Memory submodule (EEPROM) 8 Kbytes 6ES5 375-0LC31

The CPU is 102.

Thanx in advance.

either....


here's the list from the manual:

Memory submodule (EPROM) 4096 statements 6ES5 375-1LA15
Memory submodule (EPROM) 16384 statements 6ES5 375-1LA41
Memory submodule (EEPROM) 1024 statements 6ES5 375-0LC11
Memory submodule (EEPROM) 2048 statements 6ES5 375-0LC21
Memory submodule (EEPROM) 4096 statements 6ES5 375-0LC31
Memory submodule (EEPROM) 8192 statements 6ES5 375-0LC41

You can only have one memory module so must choose which is best for you. The main difference is that an EPROM you need an EPROM eraser to clear the EPROM if ever you need to re-program. For an EEPROM you do not.