5000 datasheet(100/104 Pages) INTEL

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Boxed Processor Specifications

100

Dual-Core Intel® Xeon® Processor 5000 Series Datasheet

The fan power header on the baseboard must be positioned to allow the fan heat sink

power cable to reach it. The fan power header identification and location must be

documented in the suppliers platform documentation, or on the baseboard itself. The

baseboard fan power header should be positioned within 177.8 mm [7 in.] from the

center of the processor socket.

8.3.2

Boxed Processor Cooling Requirements

As previously stated the boxed processor will be available in two product

configurations. Each configuration will require unique design considerations. Meeting

the processor’s temperature specifications is also the function of the thermal design of

the entire system, and ultimately the responsibility of the system integrator. The

processor temperature specifications are found in Chapter 6, “Thermal Specifications”

of this document.

Table 8-1.

PWM Fan Frequency Specifications for 4-Pin Active CEK Thermal Solution

Description

Min Frequency

Nominal Frequency

Max Frequency

Unit

PWM Control

Frequency Range

21,000

25,000

28,000

Table 8-2.

Fan Specifications for 4-pin Active CEK Thermal Solution

Description

Min

Typ

Steady

Max

Steady

Max

Startup

Unit

+12 V: 12 volt fan power supply

10.8

13.2

IC: Fan Current Draw

N/A

1.25

1.5

SENSE: SENSE frequency

Pulses per fan

revolution

Figure 8-11. Fan Cable Connector Pin Out for 4-Pin Active CEK Thermal Solution

Table 8-3.

Fan Cable Connector Pin Out for 4-Pin Active CEK Thermal Solution

Pin Number

Signal

Color

Ground

Black

Power: (+12 V)

Yellow

Sense: 2 pulses per revolution

Green

Control: 21 KHz-28 KHz

Blue

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