A. Specifications
54
Supply Current, Icc:
4A average (typical with 850 MHz processor and
512 MB SDRAM. Peak (short duration) power
supply current may be significantly higher (up to
50%) and will vary depending upon the application.
Supply Current, Icc3:
6A average (typical with 850 MHz processor and
512 MB SDRAM. Peak (short duration) power
supply current may be significantly higher (up to
50%) and will vary depending upon the application.
Supply Current, AUX + (12V):
50mA maximum
Battery Backup Characteristics
Battery Voltage:
3V
Battery Capacity:
250mAh
Real-Time Clock Requirements:
8µA maximum (Vbat = 3V, Vcc=0V)
Real-Time Clock Data Retention:
31,250 hours / 3.7 years minimum (not
powered); 5.2 years minimum (with Vcc power
applied 8 hours per day)
Electrochemical Construction:
Long life lithium with solid-state polycarbon
monofluoride cathode.
CAUTION:
The ZT 5504 contains a lithium battery. This battery is not field-replaceable.
There is a danger of explosion if the battery is incorrectly replaced or handled. Do not
disassemble or recharge the battery. Do not dispose of the battery in fire. When the battery is
replaced, the same type or an equivalent type recommended by the manufacturer must be
used. Used batteries must be disposed of according to the manufacturer's instructions.
Return the board to Intel for battery service.
Operating Temperature
The ZT 5504's heatsink allows a maximum ambient air temperature of 50°C with 200 LFM
(linear feet per minute) of airflow. External airflow
must
be provided to the ZT 5504 at all times.
Refer to the "
Electrical and Environmental
" topic in Chapter 2 for additional information. Also
refer to the topic "
Temperature Monitoring
" in Appendix B, "Thermal Considerations", for details
on monitoring the processor temperature.
Reliability
MTBF:
14.6 years (excluding on-board hard disk drive)
MTTR:
3 minutes (based on board replacement), plus system startup
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