Intel BX80557E1400 Scheda Tecnica Scaricare il pdf (Pagina 95)

Datasheet 95

Boxed Processor Specifications

Figure 26. Boxed Processor Fan Heatsink Power Cable Connector Description

Table 33. Fan Heatsink Power and Signal Specifications

Description Min Typ Max Unit Notes

+12 V: 12 volt fan power supply 11.4 12 12.6 V -

IC:

- Maximum fan steady-state current draw

- Average fan steady-state current draw

- Maximum fan start-up current draw

- Fan start-up current draw maximum

duration

—

1.2

0.5

2.2

1.0

—

Second

SENSE: SENSE frequency — 2 —

pulses per

fan

revolution

NOTES:

1. Baseboard should pull this pin up to 5V with a resistor.

CONTROL 21 25 28 kHz

2, 3

2. Open drain type, pulse width modulated.

3. Fan will have pull-up resistor for this signal to maximum of 5.25 V.

BdP PCbl

Signal

GND

+12 V

SENSE

CONTROL

Straight square pin, 4-pin terminal housing with

polarizing ribs and friction locking ramp.

0.100" pitch, 0.025" square pin width.

Match with straight pin, friction lock header on

mainboard.

1 2 ... 90 91 92 93 94 95 96 97 98 99 100 101 102

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Intel BX80557E1400 Scheda Tecnica Pagina 95