
2. System Reference
PT-955LXC-DC5311 User’s manual
11
Power Management Features
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Support both ACPI (Advanced Configuration and Power Interface) and legacy (APM) power
management.
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ACPI v2.0 compliant
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APM v1.2 compliant
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Support hardware automatic wake-up
Power Requirements
Your system requires a clean, steady power source for reliable performance of the high frequency CPU on
the product, the quality of the power supply is even more important. For the best performance makes sure
your power supply provides a range of 10.8 V minimum to 31.2 V maximum DC power source.
Power Consumption
For typical configurations, the CPU card is designed to operate with at least a 60W power supply. The
power supply must meet the following requirements :
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Rise time for power supply: 2 ms - 30 ms
The following table lists the power supply’s tolerances for DC voltages:
Table 2.4. DC voltage tolerance
DC Voltage
Acceptable Tolerance
+ 12 - 24VDC
+ 10.8 - 31.2VDC