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Test 2 - rom test – Gasboy MCE300 User Manual

Page 59

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GASBOY MCE 300

11-2

03/07/03

TEST 2 - ROM TEST


This test reads each location in the program chip, calculates a checksum and compares it to a
checksum inserted in the program chip at the factory. Upon completion of the test the unit will
print either "ROM PASSED" or "ROM FAILED".

To perform the ROM test:

At an asterisk (*) prompt:

1.

Enter the X command.


The unit will prompt you:

DIAGNOSTIC MODE

SELECT TEST (1-3):


2.

Enter a 2 for the ROM test.


The unit will respond with:

ROM TEST


Upon completion of the test the unit will respond with either:


ROM PASSED if the ROM is OK, or

ROM FAILED if the ROM is defective.


The unit will then prompt you:

SELECT TEST (1-3):


3.

Enter the next test desired or a CTRL C to exit the diagnostic mode.



Example: ROM test

@E7CPQUVE9ÂIQ@AÂ

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UAHA9VÂVAUVÂ!#0ÂÂ"Â

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TQIÂVAUVÂ

TQIÂR7UUA@Â

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UAHA9VÂVAUVÂ!#0Â

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