When a computer system is brought into Computer Enhancement Systems, a diagnostic procedure will be performed on that system. The following is an example of the type of trouble shooting and diagnostics procedure that would be performed:

CES Diagnostics includes:
Cleaning the system w/compressed air, removed dust, dirt and lint from the fans (CPU & power supply). Test the Memory in the Advance Memory Tester. The memory tester tested for Voltage Cycling at levels from 3.0V to 3.6V, Mode Analysis test, Voltage bounce test (which repeatedly reads and writes to the module while the voltage is bounced form the upper to lower extremes), cell interference test, Relative Refresh and Relative Spikes test, and Extensive Chip Heat Mode test. Install diagnostic interrupt card and check for voltage, Interrupt, and DMA channel issues. Run virus scan, checked drive partition and ran hard drive utilities (scandisk & defrag) and hard drive controller level diagnostics looking for ECC errors. Optimize memory and made a copy of original configuration. Checked all DMA's, IRQ's, power voltages, COM ports and interrupt conflicts.

Customer Service Bulletin # 00100

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