Expansions and programming
10.2 Memory expansion
SIMATIC Rack PC 847B
Operating Instructions, 06/2008, A5E02203168-01
63
10.2
Memory expansion
10.2.1
Installing memory modules
Memory expansion options
The motherboard features two memory slots under the bus module. You can install 667 MHz
SO-DIMM DDR2 memory modules, type PC2-5300, unbuffered, no ECC. This allows you to
expand Rack PC 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 (bottom)
Slot X20 (top)
Maximum
expansion
1
256/512 MB / 1 GB / 2 GB
2 GB
2
256/512 MB / 1 GB / 2 GB
256/512 MB / 1 GB / 2 GB
4 GB
Note
The modules can be inserted into any slot. Memory is operated in dual-channel mode if two
modules are installed.
Preparation
Disconnect the device from mains and unplug all cables.
CAUTION
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.
Содержание SIMATIC PC 847B
Страница 208: ...Appendix A 4 Retrofitting instructions SIMATIC Rack PC 847B 208 Operating Instructions 06 2008 A5E02203168 01 ...
Страница 216: ...List of abbreviations C 1 Abbreviations SIMATIC Rack PC 847B 216 Operating Instructions 06 2008 A5E02203168 01 ...
Страница 232: ...Index SIMATIC Rack PC 847B 232 Operating Instructions 06 2008 A5E02203168 01 ...