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Teledyne API – Model T700 Dynamic Dilution Calibrator Principles of Operation
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Figure 10-4: T700 CPU Board Annotated
The CPU includes two types of non-volatile data storage: an embedded 2MB flash chip
and a Disk on Module (DOM).
10.3.2.1. Disk-on-Module (DOM)
The DOM is a 44-pin IDE flash chip with a storage capacity up to 256 MB. It is used to
store the computer’s operating system, the Teledyne API firmware, and most of the
operational data. The LEDs on the DOM indicate power and reading/writing to or from
the DOM.
10.3.2.2. Flash Chip
This non-volatile, embedded flash chip includes 2MB of storage for calibration data as
well as a backup of the analyzer configuration. Storing these key data on a less heavily
accessed chip significantly decreases the chance of data corruption.
In the unlikely event that the flash chip should fail, the calibrator will continue to
operate with just the DOM. However, all configuration information will be lost,
requiring the unit to be recalibrated.
06873B DCN6388