2-4
SIMATIC PC RI25/45, Technical Description
C79000-G7076-C808-01
2.3
Cache Modules
A 256 KB synchronous or asynchronous cache module (COACH compatible)
can be installed.
Do not use any other cache modules which have not been approved by your
system engineering company.
The RI45 is supplied with a 256 KB synchronous-burst cache.
Plug the optional cache module into connector 23 which is protected against
polarity reversal and located on the motherboard (see Section 2.8, Position of
connectors and switches). Enable the cache module in the SETUP of the
system’s BIOS (External Cache Enabled).
Recommended
Cache Modules
Installing Cache
Modules
Motherboard