Rockwell Automation 6182 Industrial Computer for the Windows CE Operating System - Manual (Page 67)

Windows CE Operating System 7–7
Publication 6182-UM001D-EN-P
The RAC6182 Industrial Computer has five internal memory areas.
These are:
• Boot flash ROM
• DiskOnChip flash ROM (32MB typical)
• Dynamic RAM (32MB typical)
• Battery-backed non-volatile RAM (128KB)
• Flash memory PC cards
Boot Flash ROM
The RAC6182 Industrial Computer’s boot flash ROM is used to power-
up the RAC6182 Industrial Computer, perform the power-up self tests,
and load the Windows CE operating system from the DOC flash ROM
into the dynamic RAM. The boot flash ROM code is not user accessible.
DiskOnChip Flash ROM
The RAC6182 DiskOnChip (DOC) flash ROM is the main storage
memory on the RAC6182 Industrial Computer. The Windows CE
operating system is stored in a protected segment of the DOC flash
ROM. User applications are also stored on the DOC. Upon power-up,
the operating system and any auto-start applications are transferred from
the DOC to dynamic RAM, where they are executed.
The remainder of the DOC flash ROM is a FAT partition that appears as
a folder named \Storage Card in Windows CE. Files stored here are
persistent.
Note: Only programs and files loaded in the \Storage Card folder
are saved in the DOC flash ROM. All other folders or files
existing in DRAM and are lost when power is cycled.
Dynamic RAM
The RAC6182 dynamic RAM memory is split into two segments:
storage memory and program memory. The Control Panel System
application has a slider control that determines the allocation mix
between Storage and Program memory.
The storage memory segment is a virtual RAM disk known as the Object
Store. It provides specialized storage for the Windows CE Registry, the
Windows CE file system, and Windows CE system databases. The
RAC6182 Memory Usage