System Memory

The CPU configuration supports 128MB SDRAM, 128MB SD card. The system optimizes for the amount of SDRAM available.

Internal flash is used for boot loader code and system low-level diagnostics code. Bootloader code is validated at system startup. The UUID required by CE 5.0 is stored in the boot flash. A second copy of the bootloader code is stored on the internal SD Flash drive, so that if a damaged bootloader is detected, it may be re-flashed correctly.

Internal SD Memory Card

The MX7 has one SD card interface for storage of operating system and program code, as well as persistent storage. The SD slot is accessible from the battery compartment and ships with a 128MB SD Flash card. Larger capacity flash cards are available.

The internal SD flash card supports a FAT file system, via a special device driver, and appears to the OS as a folder. This allows the contents to be manipulated via the standard Windows CE interface. Operating system files are hidden on this drive with a terminal unique identifier in the internal flash, to prevent them being accidentally erased. In addition, the registry hive files are stored on this device. At least 32MB of Flash is available for customer use.

Video Subsystem

The touch screen is a 3.5” (8.9 cm) diagonal viewing area, ¼ VGA 320 by 240 pixel TFT Reflective Active Color LCD. Backlighting is available and can be turned on and off with key sequences. The turn-off timing is configured through the Start > Settings > Control Panel > Display > Backlight icon. The display controller supports Microsoft® Windows® CE 5 graphics modes.

A touch screen allows mouse functions (tapping on the display or signature capture) using a stylus. The touch screen has an actuation force with finger less than 100 grams. The color display has an LED backlight and is optimized for indoor use.

The display appears black when the MX7 is in Suspend Mode.

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