Intel Pentium 4 Processor Extreme Edition on 0.13 Micron Process in the 775-Land Package Datasheet

Datasheet 83
Boxed Processor Specifications
Figure 7-5. Boxed Processor Fan Heatsink Power Cable Connector Description
Pin
Signal
12
34
1
2
3
4
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.
Table 7-1. Fan Heatsink Power and Signal Specifications
Description Min Typ Max Unit Notes
+12 V: 12 volt fan power supply 10.2 12 13.8 V —
IC:
• Peak Fan current draw
• Fan start-up current draw
• Fan start-up current draw maximum duration
—
1.1 1.5
2.2
1.0
A
A
Second
—
SENSE: SENSE frequency — 2 —
pulses per
fan revolution
1
NOTES:
1. Baseboard should pull this pin up to 5 V with a resistor.
CONTROL null null null
2
2. The Pentium 4 processor Extreme Edition on the 0.13 micron process technology does not support T-di-
ode based fan speed control hence the 4th pin (labeled CONTROL) of the fan connector for this processor
is null.