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Datex-Ohmeda 7900 - Test Flash ROM

Datex-Ohmeda 7900
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4/Tests and Troubleshooting
4-6 1503-0151-000 5/26/0
Test Flash ROM
The software tests the Flash ROM via a CRC check (Cyclic Redundancy Check).
A CRC value has been calculated for the Flash ROM memory and this value is
stored in the Flash ROM. This test recalculates the CRC for the Flash ROM and
compares it to the value stored in Flash ROM. If the value that was calculated does
not equal the value that was stored in Flash ROM, the test will fail.
Upon FAIL, replace the microcontroller board software.
(a new Flash ROM chip) see section 6.

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