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49 Chapter 4
4.6.2 DiskOnChip folder in TREK-725
TREK-725 uses M-system DOC Flash to use the free space of flash
ROMs for persistent storage. The M-system DOC Flash file system
region of the system is located in the “\DiskOnChip” directory. Any file
or directory stored in the “\DiskOnChip” directory is kept persistently,
even if the TREK-725 is turned off. The user can store software or data in
“\DiskOnChip” rather than on CF cards to avoid inconvenience.
4.7 Application Program Development
The TREK-725 is bundled with the Windows® CE 5.0 operating system.
In real applications, the user needs to execute various application pro-
grams on the operating system. However, unlike other Windows operat-
ing systems (98, 2000, XP, and XPE), Windows® CE 5.0 is a hardware-
dependent operating system. That is to say, users must rebuild application
programs by using TREK-725's software development kit (SDK).
4.7.1 System requirements
• Intel® Pentium 90 MHz CPU or more advanced
• Microsoft® Windows® 2000 Professional or Windows® XP
• Microsoft® eMbedded Visual Tools 4.0
• Platform SDK for TREK-725
• 64 MB DRAM
• CD-ROM drive
• Monitor with VGA resolution at least
• Mouse
• 200 MB free hard disk space at least
• TREK-725 platform
• The host PC and TREK-725 need to be connected on the same LAN to
do kernel debugging if necessary