Intel
®
Server System P4000CP Power System Options Intel
®
Server Board S2600CP and Server System P4000CP TPS
Revision 1.1
Intel order number G26942-003
150
13.4.1.1 Airflow Requirements
The power distribution board shall get enough airflow for cooling DC/DC converters from the
fans located in the Power Supply modules. Below is a basic drawing showing airflow direction.
The amount of cooling airflow that will be available to the DC/DC converters is to be no less
then 1.2M/s.
Figure 62. Airflow Diagram
13.4.1.2 DC/DC converter cooling
The dc/dc converters on the power distribution board are in series airflow path with the power
supplies.
13.4.1.3 Temperature Requirements
The PDB operates within all specified limits over the Top temperature range. Some amount of
airflow shall pass over the PDB.
Table 108. Thermal Requirements
Item Description Min Max Units
T
op
Operating temperature range. 0 50
C
T
non-op
Non-operating temperature range. -40 70
C
13.4.1.4 Efficiency
Each DC/DC converter shall have a minimum efficiency of 85% at 50% ~ 100% loads and over
+12V line voltage range and over temperature and humidity range.
13.4.2 DC Output Specification
13.4.2.1 Input Connector (power distribution mating connector)
The power distribution provides 2 power pin, a card edge output connection for power and
signal that is compatible with a 2x25 Power Card Edge connector (equivalent to 2x25 pin
configuration of the FCI power card connector 10035388-102LF). The FCI power card edge
connector is a new version of the PCE from FCI used to raise the card edge by 0.031” to allow
for future 0.093” PCBs in the system. The card edge connector has no keying features; the
keying method is accomplished by the system sheet metal.
Front power supply
Rear power supply
PDB
Airflow direction
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