GE HEALTHCARE
DIRECTION 5394141, REVISION 5 LOGIQ™ P5 SEVICE MANUAL
Section 5-4 - Main Board Detail 5-19
5-4-4 SOM Module
The SOM means System On Module which integrates the PC motherboard and CPU and memory and
peripheral device for BEP (Back End Process) functionality into a small size PWA. There are 2 kinds of
SOM module for LOGIQ™ P5 and LOGIQ™ A5. One is PM SOM Assy with high performance Pentium
M CPU and the other is CM SOM Assy with lower performance Celeron M CPU.
PM SOM PWA include moble Pentium M CPU and 915GM chipset and 1G DDR2 memory on small size
form factor PCB(3.75 inch x 4.5 inch). CM SOM PWA include mobile Celeron M CPU 915GM chipset
and 512MB DDR2 memory.
This SOM module is attached on the SYSCON PWA. So SYSCONPM Assy include PM SOM module
and SYSCONCM Assy include CM SOM module.
Figure 5-16 PM SOM and CM SOM Block Diagram
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