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Teledyne API - Model T200H/T200M Operation Manual Principles of Operation
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8.5.1. CPU
The unit’s CPU card, installed on the motherboard located inside the rear panel, is a low
power (5 VDC, 720mA max), high performance, Vortex 86SX-based microcomputer
running Windows CE. Its operation and assembly conform to the PC 104 specification.
Figure 8-16: T200H/M CPU Board Annotated
The CPU includes two types of non-volatile data storage: a Disk on Module (DOM)
with an embedded 2MB flash chip.
8.5.1.1. Disk On Module (DOM)
The DOM is a 44-pin IDE flash drive with storage capacity to 128 MB. It is used to
store the computer’s operating system files, the Teledyne API firmware and peripheral
files, and the operational data generated by the analyzer’s internal data acquisition
system (DAS).
8.5.1.2. Flash Chip
This non-volatile, embedded flash chip includes 2 MB 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 analyzer will continue to operate
with just the DOM. However, all configuration information will be lost, requiring the
unit to be recalibrated.
07270B DCN6512