Service and maintenance
11.7 Expansion and parameter assignment
SIMATIC HMI IPC677C
Operating Instructions, 04/2013, A5E02722710-04
123
11.7.2
Memory expansion
11.7.2.1
Removing/Installing Memory Module
Memory expansion options
The motherboard is equipped with 2 slots for memory modules. For 184-pin DDR3 RAM
chips, unbuffered, without/with ECC. This allows you to expand device memory up to 4 GB,
of which you can use approx. 3.2 GB for the operating system and applications. You can
install one or two modules.
Combination
Slot X19
Slot X20
Maximum
expansion
1
1 GB / 2GB / 4 GB
4 GB
2
1 GB / 2GB / 4 GB
1 GB / 2GB / 4 GB
8 GB
Note
The modules can be installed in any slot.
Preparation
Disconnect the device from mains and unplug all cables.
NOTICE
The electronic components on the PCBs are highly sensitive to electrostatic discharge.
Always take appropriate precautionary measures when handling these components. Refer
to the ESD directives on handling electrostatic sensitive components.
Note
We highly recommend using memory modules approved by Siemens. Siemens disclaims
any liability for impairment of functions caused by the use of third-party memory modules.